CN205377239U - Vibration damper for transmission line - Google Patents
Vibration damper for transmission line Download PDFInfo
- Publication number
- CN205377239U CN205377239U CN201620148861.9U CN201620148861U CN205377239U CN 205377239 U CN205377239 U CN 205377239U CN 201620148861 U CN201620148861 U CN 201620148861U CN 205377239 U CN205377239 U CN 205377239U
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- connecting rod
- transmission line
- annular framework
- suspension body
- rotationally connected
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 239000000725 suspension Substances 0.000 claims abstract description 46
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 239000006096 absorbing agent Substances 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 18
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model provides a vibration damper for transmission line. The device includes the ring frame body, cramping body, first connecting rod, second connecting rod, third connecting rod and suspension body. The cramping body is connected with the ring frame body, and the cramping body is used for being connected with transmission line, first connecting rod, second connecting rod and third connecting rod rotate the connection in proper order, and first connecting rod and third connecting rod still rotate with the ring frame body to be connected, the suspension body is connected with first connecting rod, second connecting rod or third connecting rod, and the motion scope of suspension body, first connecting rod, second connecting rod and third connecting rod is all internal at ring frame. When transmission line waved, transmission line drove each connecting rod and the suspension body together moves, because suspension group has certain weight, so suspension group has the inhibitory action to waving of transmission line, because it is internal that first connecting rod, second connecting rod and third connecting rod and suspension body all set up at ring frame, so avoided producing the problem of corona owing to installing each connecting rod and suspension body additional.
Description
Technical field
This utility model relates to technical field of power systems, in particular to a kind of vibration absorber used for transmission line.
Background technology
Transmission line of electricity is the important component part of power system, and in running, multiple accident can occur transmission line of electricity because of the effect of natural disaster, and waving is one more serious in various harm.What is called wave be exactly uneven ice coating wire produce under wind action a kind of low frequency, big amplitude self-excited vibration, vibration shape shows as only one of which or a few half-wave in a span.The harm waving generation is many-sided, and flashover, tripping operation can occur the lighter, and severe one can occur gold utensil and insulator to damage, wire strand breakage, broken string, shaft tower bolt looseness, comes off, and even falls tower, causes great power grid accident.Generally speaking, it is suppressed that wave, with alleviating, three factors that need to consider to affect transmission line galloping: the structural parameters of the excitation of the uneven icing of wire, stable wind and wire.Owing to wind excitation is relevant with natural environment, it is difficult to artificially control；It also is difficult to after the structural parameters one of wire are designed change, and the wire of certain parameter is difficult to adapt to treacherous various natural environment, so prevention and controls conventional at present is mainly: utilize heating power, laser or mechanical system to remove the icing on transmission line of electricity, the method needs to set up deicing facility on a large scale, required investment is huge, substantially increases the maintenance cost of transmission line of electricity.
Utility model content
In consideration of it, the utility model proposes a kind of to prevent corona and vibroshock with low cost, for alleviating or suppressing waving of transmission line of electricity.
The utility model proposes a kind of vibration absorber used for transmission line, this device includes: annular framework, cramping body, first connecting rod, second connecting rod, third connecting rod and have the suspension body of preset weight.Wherein, first connecting rod, second connecting rod, third connecting rod and annular framework in the same plane in；Described cramping body is connected with described annular framework, and is placed in the outside of described annular framework, and described cramping body is for being connected with four transmission lines of electricity；Described first connecting rod, described second connecting rod and described third connecting rod are rotationally connected successively, and, described first connecting rod and described third connecting rod are also rotationally connected with described annular framework；Described suspension body is connected with described first connecting rod, second connecting rod or third connecting rod, and, the range of movement of described suspension body, described first connecting rod, described second connecting rod and described third connecting rod is all in described ring frame body.
Further, in above-mentioned vibration absorber used for transmission line, the first end of described first connecting rod is rotationally connected with described annular framework, and the second end of described first connecting rod is connected with described suspension body；First end of described third connecting rod is rotationally connected with described annular framework；First end of described second connecting rod and described third connecting rod are rotationally connected, and the second end of described second connecting rod and described first connecting rod are rotationally connected.
Further, in above-mentioned vibration absorber used for transmission line, described second connecting rod and being rotationally connected of described first connecting rod are a little placed between the first end of described first connecting rod and described suspension body.
Further, in above-mentioned vibration absorber used for transmission line, the first connecting rod being rotationally connected between point and described suspension body being placed in described second connecting rod and described first connecting rod is bow.
Further, in above-mentioned vibration absorber used for transmission line, described second connecting rod is bow.
Further, in above-mentioned vibration absorber used for transmission line, it is rotationally connected described in each and is bearing pin connection.
Further, in above-mentioned vibration absorber used for transmission line, described annular framework is tetragon annular framework；Described cramping body is four, and is connected with the corner of described tetragon annular framework respectively.
Further, in above-mentioned vibration absorber used for transmission line, described suspension body is spheroid.
When transmission line galloping, annular framework, under the drive of transmission line of electricity, is waved with transmission line of electricity, owing to first connecting rod and third connecting rod and annular framework are rotationally connected, drive first connecting rod to rotate together with third connecting rod so ring frame is known from experience, and then drive suspension body motion.Owing to suspension body has certain weight, so suspension body is inhibited to waving of transmission line of electricity, solve the line fault problem owing to transmission line galloping causes；Owing to first connecting rod, second connecting rod and third connecting rod and suspension body are arranged in ring frame body, so avoiding the problem producing corona owing to installing each connecting rod and suspension body additional；Additionally, compared with the Anti-galloping mode of existing removing ice of power transmission line, owing to this utility model embodiment is mainly made up of linkage, structure is relatively simple, it is easy to implementing, cost is relatively low.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit those of ordinary skill in the art be will be clear from understanding.Accompanying drawing is only for illustrating the purpose of preferred implementation, and is not considered as restriction of the present utility model.And in whole accompanying drawing, it is denoted by the same reference numerals identical parts.In the accompanying drawings:
Fig. 1 is the structural representation of the vibration absorber used for transmission line of this utility model embodiment；
Fig. 2 is the another structural representation of the vibration absorber used for transmission line of this utility model embodiment.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing showing the exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and should do not limited by embodiments set forth here.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.It should be noted that when not conflicting, the embodiment in this utility model and the feature in embodiment can be mutually combined.Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Referring to Fig. 1, it is shown that the preferred structure of the vibration absorber used for transmission line that this utility model embodiment provides.As it can be seen, this device includes: annular framework 1, cramping body 2, first connecting rod 3, second connecting rod 4, third connecting rod 5 and there is the suspension body 6 of preset weight.
Wherein, cramping body 2 is connected with annular framework 1, and is placed in the outside of annular framework 1, and cramping body 2 is for being connected with transmission line of electricity.When being embodied as, the quantity of cramping body 2 is four, and each cramping body 2 clamps a power transmission line.Annular framework 1 can be tetracyclic ring shape framework, and four cramping bodies 2 are connected with the corner of tetragon annular framework respectively, to improve the stability of structure.The fixture with holding function that cramping body 2 concrete structure can be well known to those skilled in the art, its concrete structure is not done any restriction by the present embodiment.
First connecting rod 3, second connecting rod 4 and third connecting rod 5 are rotationally connected successively, and, first connecting rod 3 and third connecting rod 5 also with annular framework 1 be rotationally connected, first connecting rod 3, second connecting rod 4, third connecting rod 5 and annular framework 2 in the same plane in.Specifically, the end of the first connecting rod 3 and third connecting rod 5 that are placed in two ends is free end, first connecting rod 3 and third connecting rod 5 are also rotationally connected with annular framework 1 respectively, it can be seen that annular framework 1, first connecting rod 3, second connecting rod 4 and third connecting rod 5 constitute the lanar four rod mechanism of closing.
Suspension body 6 can be connected with arbitrary connecting rod in first connecting rod 3, second connecting rod 4 and third connecting rod 5, and, the range of movement of suspension body 6, first connecting rod 3, second connecting rod 4 and third connecting rod 5 is all in annular framework 1.Suspension body 6 can be spheroid, suspension body 6 has certain weight, can be fixing connection, it is also possible to for being flexibly connected between suspension body 6 and connecting rod, the bolt connection that concrete connected mode can be well known to those skilled in the art, hinged, welding etc., it is not done any restriction by the present embodiment.It should be noted that when being embodied as, the weight of suspension body 6 and quantity all can be determined according to practical situation, it is not done any restriction by the present embodiment.
During use, annular framework 1 is connected with transmission line of electricity.When transmission line galloping, annular framework 1, under the drive of transmission line of electricity, is waved with transmission line of electricity, owing to first connecting rod 3 and third connecting rod 5 are rotationally connected with annular framework 1, so annular framework 1 can drive first connecting rod 3 to rotate together with third connecting rod 5, and then suspension body 6 is driven to move.Owing to suspension body has certain weight, so suspension body 6 is inhibited to waving of transmission line of electricity, solve the line fault problem owing to transmission line galloping causes；Owing to first connecting rod 3, second connecting rod 4 and third connecting rod 5 and suspension body 6 are arranged in annular framework 1, so avoiding the problem producing corona owing to installing each connecting rod and suspension body additional；Additionally, compared with the Anti-galloping mode of existing removing ice of power transmission line, owing to the embodiment of the present invention is mainly made up of linkage, structure is relatively simple, it is easy to implementing, cost is relatively low.
Referring to Fig. 1 and Fig. 2, first end (left end shown in Fig. 1) of first connecting rod 3 is rotationally connected with annular framework 1, and second end (right-hand member shown in Fig. 1) of first connecting rod 3 is connected with suspension body 6.First end (right-hand member shown in Fig. 1) of third connecting rod 5 is rotationally connected with annular framework 1, first end (right-hand member shown in Fig. 1) of second connecting rod 4 and third connecting rod 5 are rotationally connected, and second end (left end shown in Fig. 1) of second connecting rod 4 and first connecting rod 3 are rotationally connected.Second connecting rod 4 and being rotationally connected of first connecting rod 3 are a little placed between the first end of first connecting rod 3 and described suspension body 6, and, the first connecting rod 3 being rotationally connected between point and suspension body 6 being placed in second connecting rod 2 and first connecting rod 3 is bow, so that the range of movement of suspension body 6 is limited in annular framework 1 better.
When being embodied as, in order to make the range of movement of each connecting rod better be limited in annular framework 1, it is also possible to first connecting rod 3, second connecting rod 4 and third connecting rod 5 are disposed as bow.
When being embodied as, being respectively rotationally connected in the present embodiment all can connect for bearing pin, naturally it is also possible to other being well known to those skilled in the art are rotationally connected mode, and it is not done any restriction by the present embodiment.
To sum up, when transmission line galloping, annular framework 1 is under the drive of transmission line of electricity, transmission line of electricity can drivening rod mechanism move together with suspension assembly, owing to suspension assembly has certain weight, so suspension assembly is inhibited to waving of transmission line of electricity, the problem solving the line fault caused due to transmission line galloping.
Obviously, this utility model can be carried out various change and modification without deviating from spirit and scope of the present utility model by those skilled in the art.So, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.
Claims (8)
1. a vibration absorber used for transmission line, it is characterised in that including: annular framework (1), cramping body (2), first connecting rod (3), second connecting rod (4), third connecting rod (5) and there is the suspension body (6) of preset weight；Wherein,
First connecting rod (3), second connecting rod (4), third connecting rod (5) and annular framework (1) in the same plane in；
Described cramping body (2) is connected with described annular framework (1), and is placed in the outside of described annular framework (1), and described cramping body (2) is for being connected with transmission line of electricity；
Described first connecting rod (3), described second connecting rod (4) and described third connecting rod (5) are rotationally connected successively, and, described first connecting rod (3) and described third connecting rod (5) are also rotationally connected with described annular framework (1)；
Described suspension body (6) is connected with described first connecting rod (3), second connecting rod (4) or third connecting rod (5), further, the range of movement of described suspension body (6), described first connecting rod (3), described second connecting rod (4) and described third connecting rod (5) is all in described annular framework (1).
2. vibration absorber used for transmission line according to claim 1, it is characterised in that
First end of described first connecting rod (3) is rotationally connected with described annular framework (1), and the second end of described first connecting rod (3) is connected with described suspension body (6)；
First end of described third connecting rod (5) is rotationally connected with described annular framework (1)；
First end of described second connecting rod (4) and described third connecting rod (5) are rotationally connected, and the second end of described second connecting rod (4) and described first connecting rod (3) are rotationally connected.
3. vibration absorber used for transmission line according to claim 2, it is characterised in that being rotationally connected between the first end being a little placed in described first connecting rod (3) and described suspension body (6) of described second connecting rod (4) and described first connecting rod (3).
4. vibration absorber used for transmission line according to claim 3, it is characterised in that the first connecting rod (3) being rotationally connected between point and described suspension body (6) being placed in described second connecting rod (2) and described first connecting rod (3) is bow.
5. vibration absorber used for transmission line according to claim 1, it is characterised in that described second connecting rod (4) is bow.
6. vibration absorber used for transmission line according to any one of claim 1 to 5, it is characterised in that be rotationally connected described in each and be bearing pin connection.
7. vibration absorber used for transmission line according to any one of claim 1 to 5, it is characterised in that
Described annular framework (1) is tetragon annular framework；
Described cramping body (2) is four, and is connected with the corner of described tetragon annular framework respectively.
8. vibration absorber used for transmission line according to claim 1, it is characterised in that described suspension body (6) is spheroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620148861.9U CN205377239U (en) | 2016-02-26 | 2016-02-26 | Vibration damper for transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620148861.9U CN205377239U (en) | 2016-02-26 | 2016-02-26 | Vibration damper for transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205377239U true CN205377239U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620148861.9U Active CN205377239U (en) | 2016-02-26 | 2016-02-26 | Vibration damper for transmission line |
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| CN (1) | CN205377239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233310A (en) * | 2018-03-15 | 2018-06-29 | 山东大学 | A kind of Anti-galloping vibration damping conductor spacer |
| CN108233310B (en) * | 2018-03-15 | 2024-04-19 | 山东大学 | Anti-galloping vibration reduction spacer |
-
2016
- 2016-02-26 CN CN201620148861.9U patent/CN205377239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233310A (en) * | 2018-03-15 | 2018-06-29 | 山东大学 | A kind of Anti-galloping vibration damping conductor spacer |
| CN108233310B (en) * | 2018-03-15 | 2024-04-19 | 山东大学 | Anti-galloping vibration reduction spacer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |