CN201576921U - Damper - Google Patents
Damper Download PDFInfo
- Publication number
- CN201576921U CN201576921U CN2009202934547U CN200920293454U CN201576921U CN 201576921 U CN201576921 U CN 201576921U CN 2009202934547 U CN2009202934547 U CN 2009202934547U CN 200920293454 U CN200920293454 U CN 200920293454U CN 201576921 U CN201576921 U CN 201576921U
- Authority
- CN
- China
- Prior art keywords
- steel strand
- wire
- stockbridge damper
- blind hole
- strand wire
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a damper which comprises a wire clip, steel strand fixedly connected with the wire clip, and a hammer head fixedly connected with the steel strand, wherein the inner end of the hammer head, opposite to the wire clip, is provided with a blind hole; the steel strand is fixed in the blind hole; the blind hole extends along the axial direction of the hammer head; a clearance is arranged between the inner wall surface of the blind hole and the steel strand; fixedly connected filler is filled in the clearance; and the fixedly connected filler such as metal or high-polymer is injected in the clearance between the inner wall surface of the blind hole and the steel strand. The damper can avoid electric discharge of high-voltage transmission line due to the riveting trace on the hammer surface and; in addition, the damper can also effectively protect the hammer head and the zinc layer of the steel strand from being damaged, the steel strand does not easily drop, and the damper has long service life.
Description
Technical field
The utility model protects gold utensil relevant for electric power, the stockbridge damper that relevant especially a kind of overhead transmission line vibrationproof is used.
Background technology
Stockbridge damper is mainly used on overhead transmission line conductor and the ground wire, be used to prevent lead, ground wire long-term wind bestir oneself with under produce phenomenon such as tired disconnected thigh.
Stockbridge damper is made up of tup, steel strand wire and wire clamp three parts, and wherein tup is fixed on the two ends of steel strand wire, and steel strand wire are fixed on the wire clamp, and wire clamp is connected with cable.Different with the connected mode of cable according to wire clamp, stockbridge damper mainly is divided into two kinds of rigidity stockbridge damper and Pre-Cutter-Type Anti-Vibration Hammers, wherein:
The rigidity stockbridge damper, the structure that its wire clamp adopts cast steel or cast aluminium clamping plate to add bolt is crimped on cable, this connected mode belongs to and is rigidly connected, lateral pressure to cable is bigger, cause stress to concentrate and easily to the damage of cable, and under aeolian vibration bolt looseness can appear for a long time, thereby cause in the phenomenon of circuit emerged in operation stockbridge damper to the mid span slippage, stockbridge damper does not only have its due vibration-isolating effect like this, can directly influence the normal operation of transmission line and the useful life of circuit on the contrary.
Pre-Cutter-Type Anti-Vibration Hammer, for example No. 03257580.7, No. 200820123183.6 utility model patents of China have all disclosed Pre-Cutter-Type Anti-Vibration Hammer.Pre-Cutter-Type Anti-Vibration Hammer is provided for holding the cable slots of cable in the wire clamp upper end, below cable slots, be provided with through hole, preformed armor rods passes this through hole fixedlys connected with cable, in the lower end of wire clamp the steel strand wire through hole is set, and steel strand wire pass this steel strand wire through hole and fixedly connected with wire clamp.Pre-Cutter-Type Anti-Vibration Hammer is owing to adopt preformed armor rods that wire clamp and cable are fixed together, the bolt at wire clamp place is rigidly connected to change into flexibly connects, the static pressure stress of wire clamp to lead can be distributed in the bigger zone uniformly, reduced local compression, and fitting operation is convenient, non-skid property is good, can further improve circuit running quality, useful life and anticorona performance.
But in actual use, find that all there are following weak point in rigidity stockbridge damper and Pre-Cutter-Type Anti-Vibration Hammer:
One, steel strand wire and tup are riveted structure substantially, it specifically is the riveted holes that through-hole form is set on tup, after riveted steel pipe and steel strand wire crimping, make steel pipe compress into the riveted holes of tup from tup the inner according to direction from inside to outside, mode by the steel pipe outward flanging is riveted together tup and steel strand wire to steel pipe from outer end that the tup riveted holes stretches out, carries out operations such as processed end socket afterwards again.In this riveted structure,, on the transmission line of voltage levels, use and be easy to generate electric discharge phenomena because the riveted holes of the tup outside can be left the riveted joint vestige by the steel pipe riveted joint on the flat side of a hammer.
Two, tup is most of for having the cartridge type shape of through hole, steel strand wire place and are fixed in the through hole, because of having the gap between the aperture internal diameter of tup through hole and the steel strand wire, when the aeolian vibration amplitude is big, steel strand wire easily clash at the place, aperture, thereby damage the zinc layer of tup and steel strand wire.
Three, because riveted steel pipe only is connected by the crimping mode with steel strand wire, and steel strand wire come off from steel pipe easily, stockbridge damper is short useful life.
The utility model content
Technical problem to be solved in the utility model provides a kind of stockbridge damper, can avoid on the transmission line in voltage levels electric discharge phenomena taking place producing the riveted joint vestige on the flat side of a hammer.
Technical problem to be solved in the utility model provides a kind of stockbridge damper, can effectively protect the zinc layer of tup and steel strand wire not to be destroyed, steel strand wire difficult drop-off, stockbridge damper long service life.
A kind of stockbridge damper that the utility model provides includes wire clamp, is fixedly connected on the steel strand wire of wire clamp and is fixedly connected on the tup of steel strand wire, and described tup is provided with blind hole in the inner of facing with described wire clamp, and described steel strand wire are fixed in the described blind hole.
In preferred embodiment, described blind hole extends axially along tup.
In preferred embodiment, between the internal face of described blind hole and described steel strand wire, have the gap, in described gap, be provided with affixed filler.
In preferred embodiment, described affixed filler is poured in the described gap.
In preferred embodiment, described affixed filler is metal or high molecular polymer.
In preferred embodiment, described metal is an alloy.
In preferred embodiment, described affixed filler is a wedge plug, and described wedge plug wedges in described gap.
In preferred embodiment, the upper end of described wire clamp is provided with cable slots, be provided with the preformed armor rods through hole in the cable slots bottom, described wire clamp passes this preformed armor rods through hole by preformed armor rods fixedlys connected with cable, in the lower end of wire clamp the steel strand wire through hole is set, steel strand wire pass this steel strand wire through hole and fixedly connected with wire clamp.
In preferred embodiment, the cross section of described cable slots and described preformed armor rods through hole all takes the shape of the letter U.
In preferred embodiment, described tup comprises a plurality of, and asymmetric layout.
According to such scheme, the utility model is significant with respect to the effect of existing structure:
One, stockbridge damper of the present utility model, the invar twisted wire is fixed in the blind hole of tup, do not need to fix by the riveted joint mode, this connected mode is in manufacturing processing technic, need not polish, without flange, do not destroy the original rounding off curved surface of tup, therefore vestige can not occur riveting on the flat side of a hammer, on the transmission line of voltage levels, electric discharge phenomena can not take place yet.
Two, stockbridge damper of the present utility model is perfused with affixed filler between the blind hole of invar twisted wire and tup, can be after affixed filler solidifies with steel strand wire and firm the linking together of tup, and the steel strand wire difficult drop-off, tup is connected reliably with steel strand wire.And the affixed filler of perfusion also can avoid the place, aperture of steel strand wire and blind hole to clash into, and can effectively protect the zinc layer of tup and steel strand wire not to be destroyed, and also can effectively protect cable, the useful life of extension wire and stockbridge damper.
Description of drawings
Fig. 1 is the schematic diagram of first embodiment of the utility model execution mode 1.
Fig. 2 is the cutaway view of wire clamp among Fig. 1.
Fig. 3 is the schematic diagram of second embodiment of the utility model execution mode 1.
Fig. 4 is the schematic diagram of the 3rd embodiment of the utility model execution mode 1.
Embodiment
As Fig. 1, shown in 2, the utility model provides for example Pre-Cutter-Type Anti-Vibration Hammer of a kind of stockbridge damper, include wire clamp 1, be fixedly connected on the steel strand wire 2 of wire clamp 1 and be fixedly connected on the tup 3 at steel strand wire 2 two ends, wire clamp 1 is the U type substantially, the upper end of wire clamp 1 is provided with the cable slots 11 of holding cable 5, be provided with preformed armor rods through hole 12 in cable slots 11 bottoms, wire clamp 1 passes this preformed armor rods through hole 12 by preformed armor rods 4 fixedlys connected with cable 5, in the lower end of wire clamp 1 steel strand wire through hole 13 is set, steel strand wire 2 pass steel strand wire through hole 13 and fixedly connected with wire clamp 1, the cross section of cable slots 11 and preformed armor rods through hole 12 takes the shape of the letter U but does not limit to U-shaped, tup 3 can comprise a plurality of and can be with a kind of model specification, also can be different model specifications, decide on different cable vibration frequencies, preferred tup 3 varies in size and is asymmetric layout, thereby can obtain four or more resonance frequency, the territory, frequency coverage is wider, and it is wide to be suitable for wire range; Improvements of the present utility model are: tup 3 is provided with non-through blind hole 32 in the inner 31 of facing with wire clamp 1, steel strand wire 2 are fixed in the blind hole 32, therefore in the technology of making the processing stockbridge damper, need not polish, without flange, can not destroy tup 3 original rounding off curved surfaces, can not occur riveting vestige on the flat side of a hammer, on the transmission line of voltage levels, electric discharge phenomena can not take place yet.
Pre-Cutter-Type Anti-Vibration Hammer in this execution mode; can effectively prevent the wire clamp of rigidity stockbridge damper because thereby bolt looseness produces the problem that slippage influences vibration-isolating effect; preformed armor rods 4 can be distributed to the static pressure stress to cable 5 in the bigger zone uniformly; reduce local compression; become being rigidly connected of bolt to flexibly connecting; has favorable damping; antihunt action; good anticorona effect and favorable mechanical performance and fatigue durability; can effectively protect cable 5 and stockbridge damper; the useful life of extension wire; and fitting operation is convenient, has the stronger property promoted the use of.
Preferably, this blind hole 32 is along the certain-length that extends axially of tup 3, to reach enough constant intensities.
As shown in Figure 1, to be fixed on first possible embodiments in the blind hole 32 be that steel strand wire 2 are fixed in the blind hole 32 in the mode of interference fit to steel strand wire 2 in the utility model, specifically be to make the external diameter of steel strand wire 2, tup 3 be nested be fixed on the steel strand wire 2 by the hard power in outside and the two is fixed together greater than blind hole 32 internal diameters.
As shown in Figure 3; in steel strand wire 2 are fixed on second preferred embodiment in the blind hole 32; make between the internal face of blind hole 32 and the steel strand wire 2 and have gap 6; in this gap 6, be provided with affixed filler 7; when making; the two ends of steel strand wire 2 are respectively charged in the blind hole 32 of tup 3; then with the affixed filler 7 of molten condition alloy for example; iron; any metal such as aluminium perfusion (specifically being casting) is in the gap 6 of 2 of the internal face of blind hole 32 and steel strand wire; after affixed filler 7 solidifies; tup 3 and just firm the linking together of energy of steel strand wire 2; steel strand wire 2 connect reliable; difficult drop-off; and the affixed filler 7 of perfusion also can avoid the steel strand wire 2 and the place, aperture of blind hole 32 to clash into; can effectively protect the zinc layer of tup 3 and steel strand wire 2 not to be destroyed; can effectively protect cable 5, the useful life of extension wire and stockbridge damper.
Affixed in addition filler 7 is high molecular polymer also, and the mode by injection is poured in the gap 6.High molecular polymer for example is organic plastics, rubber or fiber, organic plastics preference such as nylon (polyphtalamid-PA6), polystyrene etc., fiber is preferred glass fibers (fiber glass), carbon fiber or the like for example, and rubber can be selected high-intensity tyre rubber for use.High molecular polymer has enough mechanical strengths and viscosity usually, is connected reliably between the internal face that can guarantee blind hole 32 and the steel strand wire 2, and high molecular polymer has certain DE usually, can protect the zinc layer of tup 3 and steel strand wire 2 not to be destroyed effectively.Except metal, high molecular polymer, other material for example pottery, artificial stone, ballistic materials etc. has fluidised form, can be filled in the mode of perfusion in the gap 6 of 2 of blind hole 32 internal faces and steel strand wire, after curing, can all can adopt by the material that the two is fixedly connected, not limit.
As shown in Figure 4, in steel strand wire 2 were fixed on the 3rd preferred embodiment in the blind hole 32, affixed filler 7 also can be wedge plug 71, and wedge plug 71 wedges in gap 6, thus with steel strand wire 2 securely wedge put in the blind hole 32 of tup 3.
Below only be for example, the mode that other is any to be fixed on steel strand wire 2 in the blind hole 32 of tup 3 all can adopt.For example can also adopt powerful viscose glue steel strand wire 2 to be bonded and fixed in the blind hole 32 of tup 3 or the like, no longer describe in detail.
The principle and the effect of this execution mode and execution mode 1 are basic identical, no longer repeat, difference is: this execution mode provides a kind of rigidity stockbridge damper, except wire clamp 1 by clamping plate and securing member with cable 5 is fixedlyed connected, other content is identical with execution mode 1, no longer repeats.
The above only is an embodiment of the present utility model, can not limit the scope that the utility model is implemented with this certainly, and all equivalent variations and modifications of doing according to content of the present utility model all should belong to protection range of the present utility model.
Claims (10)
1. stockbridge damper includes wire clamp, is fixedly connected on the steel strand wire of wire clamp and is fixedly connected on the tup of steel strand wire, it is characterized in that: described tup is provided with blind hole in the inner of facing with described wire clamp, and described steel strand wire are fixed in the described blind hole.
2. stockbridge damper according to claim 1 is characterized in that: described blind hole extends axially along tup.
3. stockbridge damper according to claim 1 is characterized in that: have the gap between the internal face of described blind hole and described steel strand wire, be provided with affixed filler in described gap.
4. stockbridge damper according to claim 3 is characterized in that: described affixed filler is poured in the described gap.
5. stockbridge damper according to claim 4 is characterized in that: described affixed filler is metal or high molecular polymer.
6. stockbridge damper according to claim 5 is characterized in that: described metal is an alloy.
7. stockbridge damper according to claim 3 is characterized in that: described affixed filler is a wedge plug, and described wedge plug wedges in described gap.
8. stockbridge damper according to claim 4, it is characterized in that: the upper end of described wire clamp is provided with cable slots, be provided with the preformed armor rods through hole in the cable slots bottom, described wire clamp passes this preformed armor rods through hole by preformed armor rods fixedlys connected with cable, in the lower end of wire clamp the steel strand wire through hole is set, steel strand wire pass this steel strand wire through hole and fixedly connected with wire clamp.
9. stockbridge damper according to claim 8 is characterized in that: the cross section of described cable slots and described preformed armor rods through hole all takes the shape of the letter U.
10. according to any described stockbridge damper in the claim 1～9, it is characterized in that: described tup comprises a plurality of, and asymmetric layout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202934547U CN201576921U (en) | 2009-12-17 | 2009-12-17 | Damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202934547U CN201576921U (en) | 2009-12-17 | 2009-12-17 | Damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576921U true CN201576921U (en) | 2010-09-08 |
Family
ID=42696792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202934547U Expired - Fee Related CN201576921U (en) | 2009-12-17 | 2009-12-17 | Damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201576921U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570366A (en) * | 2012-02-10 | 2012-07-11 | 北京诺德威电力技术开发有限责任公司 | Anti-vibration hammer for power transmission line |
| KR101731945B1 (en) | 2016-02-12 | 2017-05-11 | 제룡산업 주식회사 | Damper apparatus |
| KR101838713B1 (en) * | 2017-08-23 | 2018-03-14 | 한국전력공사 | Damper apparatus |
-
2009
- 2009-12-17 CN CN2009202934547U patent/CN201576921U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570366A (en) * | 2012-02-10 | 2012-07-11 | 北京诺德威电力技术开发有限责任公司 | Anti-vibration hammer for power transmission line |
| CN102570366B (en) * | 2012-02-10 | 2015-01-21 | 北京诺德威电力技术开发有限责任公司 | Anti-vibration hammer for power transmission line |
| KR101731945B1 (en) | 2016-02-12 | 2017-05-11 | 제룡산업 주식회사 | Damper apparatus |
| KR101838713B1 (en) * | 2017-08-23 | 2018-03-14 | 한국전력공사 | Damper apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102002911B (en) | Carbon fiber cable strand inner sleeve conical bonded anchorage device | |
| CN201576921U (en) | Damper | |
| CN102839845B (en) | Tower node connection device made from composite material | |
| CN102104239A (en) | Anti-vibration hammer | |
| CN203142793U (en) | Suspending device for subframe | |
| CN101769510A (en) | Lamp shock absorber | |
| CN202712795U (en) | Four-split spacer rod for +/- 500kV line steel-cored aluminium strand | |
| CN101609737B (en) | Tensioning-type compound all-purpose insulator | |
| CN101242085A (en) | Hook vibration prevention hammer | |
| CN201319488Y (en) | Antiskid conductor spacer | |
| CN104037699B (en) | Damper for transmission line of electricity | |
| CN103963666A (en) | Terminal anchorage secondary protection scheme for overhead line system of electrified railway | |
| CN201163713Y (en) | Hook type shockproof hammer | |
| CN205740886U (en) | Hammer lifting device of tamping machine cam set | |
| CN201733041U (en) | Metal sheath for pre-twisted overhang wire clamp | |
| CN105633894A (en) | Shockproof hammer | |
| CN105202037A (en) | Carbon fiber roll shaft head connection structure and method | |
| CN201601451U (en) | Special dual-body damper for large span | |
| CN203906587U (en) | Spindle assembly and taper lock structure | |
| CN103280915A (en) | Novel multipurpose longspan shock excitation motor | |
| CN104745208B (en) | A kind of new stamp-charging coke elastic cam device | |
| CN204271590U (en) | A kind of Novel shockproof hammer | |
| CN201180754Y (en) | Shock-absorbing connection lining | |
| CN207977708U (en) | A kind of power transmission and transformation wire clamp | |
| CN206468731U (en) | A kind of electro-insulating rubber damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP GANSU ELECTRIC POWE Free format text: FORMER NAME: GANSU PROV. ELECTRIC POWER DESIGN INST. |
|
| CP03 | Change of name, title or address |
Address after: 730050 No. 23 West Construction Road, Qilihe District, Gansu, Lanzhou Patentee after: Co., Ltd of Chinese energy construction group Gansu Prov. Electric Power Design Inst. Patentee after: China Electric Power Research Institute Address before: 730050 West Street in Gansu city of Lanzhou Province in the West District of Building No. 23 Patentee before: Gansu Prov. Electric Power Design Inst. Patentee before: China Electric Power Research Institute |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20141217 |
|
| EXPY | Termination of patent right or utility model |