CN210016247U - Vibration damper - Google Patents
Vibration damper Download PDFInfo
- Publication number
- CN210016247U CN210016247U CN201921129836.6U CN201921129836U CN210016247U CN 210016247 U CN210016247 U CN 210016247U CN 201921129836 U CN201921129836 U CN 201921129836U CN 210016247 U CN210016247 U CN 210016247U
- Authority
- CN
- China
- Prior art keywords
- fixed
- steel wire
- steel strand
- fixing
- weight
- 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.)
- Active
Links
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model discloses an anti-vibration hammer, including steel strand wires, weight, fixed steel wire and linkage, wherein: the heavy hammers are fixed at two ends of the steel strand; the middle part of the damper is provided with a suspension device; the heavy hammer is connected with the suspension device through a fixed steel wire; the heavy hammer comprises two hammers which are not in the same plane and are in central symmetry. The utility model discloses a weight adopts many tups, and the tup is at different planes, under the condition that can effectively alleviate the in-plane vibration, also can effectual suppression wire plane vibration. The scheme of the utility model further adopts the fold line shape through the steel strand, and the manufacturing is simple and the applicability is strong under the condition of increasing the vibration-proof frequency range; meanwhile, under the condition that the distance between the center of the heavy hammer and the center of the device is fixed, the length of the steel strand is increased. The fixed steel wire ensures that the steel strand does not deform during long-time operation, the effect of widening the frequency range is still kept, the durability of the damper is improved, and the service cycle is prolonged.
Description
Technical Field
The utility model relates to a damper on 110kV and above voltage class transformer substation terminal framework circuit belongs to transformer substation's transmission technical field.
Background
The transmission line that the high altitude was erect easily causes mechanical vibration phenomenon because the influence of air current in the air, and mechanical vibration arouses the vibration phenomenon that takes place with the breeze most frequently, and when the wind speed was lower, transversely blown the transmission line when wind, can form the card door swirl that stably drops behind it, made the transmission line take place the breeze vibration of high frequency, low amplitude, this kind of vibration can lead to the wire to take place tired strand breaks, serious meeting causes the broken string accident, threatens overhead transmission line's life.
In order to solve the problems, a damper is generally used for inhibiting the breeze vibration of the wire, and the use of the damper can effectively reduce the amplitude and the maximum dynamic bending strain of the wire, improve the operation safety of the power transmission line and prolong the service life of the power transmission line. The anti-vibration hammer generally disclosed comprises a suspension device, a steel strand and a heavy hammer, wherein the suspension device is used for connecting the steel strand, a hammer head and a power transmission line and fixing the anti-vibration hammer on the power transmission line, the steel strand is used for connecting the hammer head and plays a role in energy consumption, and the hammer head is used for matching with the breeze vibration frequency of the power transmission line to reduce the breeze vibration amplitude.
However, further research shows that the conventional damper has the following problems: firstly, in the using process, the vibration-proof range covered by the linear steel strand matched with the vibration-proof hammer is limited; secondly, the steel strand of the damper adopting the bent steel strand is easy to deform and gradually loses the function of widening the vibration-proof frequency range; thirdly, the common damper can only inhibit the vibration in the plane of the lead but cannot inhibit the vibration out of the plane of the lead; fourthly, some damper on the market have complex structures and higher cost.
Disclosure of Invention
In order to solve the problem, the utility model provides a damper can restrain the vibration outside the wire plane, and further ground can also be difficult for taking place to warp, coverage frequency range is big, strong adaptability, longe-lived, simple structure, practical convenient.
In order to realize the purpose, the technical scheme of the utility model is that:
the utility model provides a damper, includes steel strand wires, weight, fixed steel wire and linkage, wherein:
the heavy hammers are fixed at two ends of the steel strand; the middle part of the damper is provided with a suspension device; the heavy hammer is connected with the suspension device through a fixed steel wire;
the heavy hammer comprises two hammers which are not in the same plane and are in central symmetry.
Furthermore, the heavy hammer also comprises a hammer body and two hammer rods, wherein the hammer head is connected with the hammer body through the hammer rods; the hammer body is approximately in a fold line shape, and included angles between two side edges of the hammer body and a plumb line in a plane are different; the two hammers have different diameters.
Furthermore, the steel strand is straight in the middle, and two sides of the steel strand form a symmetrical fold line shape.
Furthermore, the number of the fixed steel wire is one, two ends of the fixed steel wire are respectively connected with the heavy hammers at two ends, and the middle of the fixed steel wire is fixed on the suspension device; or two fixed steel wires are arranged, one end of each fixed steel wire is connected to the heavy hammer at one end, and the other end of each fixed steel wire is fixed on the suspension device.
Furthermore, the upper part of the heavy hammer is provided with a fixing hole for fixing the steel wire to pass through and be fixed.
Further, the suspension device comprises two cast iron sheets, wherein one cast iron sheet is longer and the other cast iron sheet is shorter; the lower parts of the two cast iron sheets are fixed close to each other, and the middle parts of the two cast iron sheets are relatively and outwards protruded to form a middle hole for a power transmission line to pass through; one end of the longer cast iron sheet winds the middle part of the steel strand and then is rewound for being fixed with the steel strand.
Furthermore, the two cast iron sheets are fastened through screws, nuts and gaskets and are used for fixing the power transmission line penetrating through the hollow hole.
Furthermore, the inner end face of the heavy hammer is provided with a cylindrical groove for fixing the power transmission line passing through the hollow hole.
Furthermore, sleeves are added at two ends of the steel strand and fastened and fixed, the outer diameter of each sleeve is matched with the inner diameter of the cylindrical groove of the heavy hammer, and the sleeves and the heavy hammer are fixed by an adhesive.
Furthermore, the upper part of the heavy hammer is provided with a fixing hole; when one fixing steel wire is arranged, two ends of the fixing steel wire are respectively fixed to fixing holes of heavy hammers at two ends, and an upper screw fixed to the suspension device is wound in the middle of the fixing steel wire; when the two fixed steel wires are arranged, one end of each fixed steel wire is fixed in the fixing hole of the heavy hammer at one end, and the other end of each fixed steel wire is wound on the upper screw fixed on the suspension device.
The utility model has the advantages that: compared with the prior art, the utility model discloses a technical scheme mainly possesses following technique a bit:
1. the two hammers of the heavy hammer are not in the same plane, and the two heavy hammers are centrosymmetric, so that out-of-plane vibration of the wire can be effectively inhibited.
2. The steel strand adopts a fold line shape, and compared with a bent shape, the manufacturing is simpler and the applicability is stronger under the conditions of ensuring the constant main frequency of the original damper and increasing the vibration-proof frequency range;
3. the steel strand wires adopt a fold line shape, and under the condition that the distance between the center of the heavy hammer and the center of the device is certain, the length of the steel strand wires is increased, so that more choices are provided for the arrangement mode between the steel strand wires and the hammer heads.
4. The fixed steel wire ensures that the fold-line-shaped steel strand cannot deform in the long-time operation, the action of widening the frequency range of the fold-line-shaped steel strand is still kept, the durability of the damper is improved, and the service cycle of the damper is prolonged.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a schematic structural diagram of a steel strand provided by the present invention;
FIGS. 3(a) and 3(b) are schematic structural diagrams of the weight of the present invention;
fig. 4(a) and 4(b) are schematic structural diagrams of the suspension device provided by the present invention;
fig. 5 is a schematic view of the structure of the fixing wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the utility model relates to a damper, including broken line shape steel strand wires 1, the weight 2 at both ends, fixed steel wire 3, two covers are at steel strand wires both ends and fixed tight sleeve 4, linkage, two screws 6 on the linkage. The concrete method of steel strand 1 is middle level, both sides make the dogleg shape, both ends keep the level finally, the sleeve 4 is fixed at both ends of the steel strand, leave the cylindrical recess that suits with the steel strand external diameter with sleeve on the weight 2, the steel strand inserts among them, and fix with the adhesive, be equipped with the fixed orifices 10 on the weight for the connection and the fixing of fixed steel wire, the one end winding of fixed steel wire 3 is fixed in on the upper portion screw of linkage.
The two hammers of the heavy hammer are not in the same plane, and the two heavy hammers are centrosymmetric, so that out-of-plane vibration of the wire can be effectively inhibited. Fig. 2 shows a detailed view of the broken-line-shaped steel strand and the connection mode of the sleeves, and comprises a broken-line-shaped steel strand 1 and two sleeves 4 fixed at two ends of each sleeve. FIGS. 3(a) and 3(b) are the front view and the top view of the weight, wherein the weight 2 is provided with a fixing hole 10 for connecting a fixing wire; the weight 2 comprises a weight body 21, two weight rods 22 and two hammer heads 23, wherein the hammer heads 23 are connected with the weight body 21 through the weight rods 22. The included angles between the two side edges of the hammer body 21 and the plumb line in the plane are different, and are respectively 45 degrees and 60 degrees in the embodiment; the two hammers 23 are not in the same plane and have different diameters; the two hammers 23 are centrosymmetric. Fig. 4(a) and 4(b) are a front view and a top view, respectively, of a suspension device comprising two cast iron pieces 5, one longer and one shorter; the upper and lower parts of the two cast iron sheets are fixed by being pressed close to each other, the middle parts of the two cast iron sheets are relatively and outwards protruded to form a middle hole 9, two screws 6 for connecting the cast iron sheets, nuts 7 for fixing the screws, a gasket 8 and a hollow hole penetrate through the lead, the lower part of the cast iron sheet is used for fixing the steel strand through bending and is connected with the steel strand, and the centers of the lead and the steel strand are on the same plumb line. Fig. 5 is a schematic structural view of the fixing wire 3, in which when one fixing wire 3 is provided, both ends of the fixing wire 3 are respectively fixed to the fixing holes 10 of the two-end weights 2, and the middle of the fixing wire is wound around the upper screw 6 fixed to the suspension device. When two fixing steel wires 3 are provided, one end of the fixing steel wire 3 is fixed to the fixing hole 10 of the weight 2 at one end, and the other end is wound on the upper screw 6 fixed to the suspension device. The fixed steel wire can effectively keep the shape of the fold line-shaped steel strand, improve the durability of the fold line-shaped steel strand and prolong the service cycle of the damper.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a damper, its characterized in that includes steel strand wires (1), weight (2), fixed steel wire (3) and linkage, wherein:
the heavy hammers (2) are fixed at two ends of the steel strand (1); the middle part of the damper is provided with a suspension device; the heavy hammer (2) is connected with the suspension device through a fixed steel wire (3);
the heavy hammer (2) comprises two hammers (23), the two hammers (23) are not in the same plane, and the two hammers are centrosymmetric.
2. The damper according to claim 1, wherein the weight (2) further comprises a body (21), two rods (22), and a head (23) connected to the body (21) through the rods (22); the hammer body (21) is approximately in a zigzag shape, and included angles between two side edges of the hammer body (21) and a plumb line in a plane are different; the two hammers (23) have different diameters.
3. Damper according to claim 1, characterized in that the steel strand (1) is straight in the middle and has symmetrical fold lines on both sides.
4. The damper according to claim 1, wherein the fixed steel wire (3) is provided as one, two ends of the fixed steel wire are respectively connected with the heavy hammer (2) at two ends, and the middle of the fixed steel wire is fixed on the suspension device; or two fixed steel wires (3) are arranged, one end of each fixed steel wire (3) is connected to the heavy hammer (2) at one end, and the other end of each fixed steel wire is fixed on the suspension device.
5. The damper according to claim 1, wherein the upper part of the weight (2) is provided with a fixing hole (10) for fixing the steel wire (3) to pass through and be fixed.
6. Damper according to claim 1, characterized in that the suspension means comprise two cast iron segments (5), one longer and one shorter; the lower parts of the two cast iron sheets are fixed close to each other, and the middle parts of the two cast iron sheets are relatively and outwards protruded to form a middle hole (9) for a power transmission line to pass through; one end of the longer cast iron sheet winds the middle part of the steel strand and then is rewound for being fixed with the steel strand.
7. Damper according to claim 6, characterized in that the two cast iron pieces (5) are fastened by means of screws, nuts and washers for fixing the transmission line through the hollow hole.
8. The damper according to claim 1, wherein the inner end surface of the weight (2) is formed with a cylindrical groove for fixing the power line passing through the hollow hole.
9. The damper according to claim 8, wherein the steel strand (1) is fixed by being clamped and fixed by being provided with sleeves (4) at both ends, the outer diameter of the sleeve (4) is matched with the inner diameter of the cylindrical groove of the weight (2), and the sleeves and the weight are fixed by an adhesive.
10. The damper according to claim 7, wherein the upper part of the weight (2) is provided with a fixing hole (10); when one fixing steel wire (3) is arranged, two ends of the fixing steel wire (3) are respectively fixed to the fixing holes (10) of the heavy hammers (2) at two ends, and an upper screw fixed to the suspension device is wound in the middle of the fixing steel wire; when the two fixed steel wires (3) are arranged, one end of each fixed steel wire (3) is fixed in the fixing hole (10) of the heavy hammer (2) at one end, and the other end of each fixed steel wire is wound on the upper screw fixed on the suspension device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129836.6U CN210016247U (en) | 2019-07-18 | 2019-07-18 | Vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129836.6U CN210016247U (en) | 2019-07-18 | 2019-07-18 | Vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210016247U true CN210016247U (en) | 2020-02-04 |
Family
ID=69319729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921129836.6U Active CN210016247U (en) | 2019-07-18 | 2019-07-18 | Vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210016247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277758A (en) * | 2019-07-18 | 2019-09-24 | 南京南瑞继保工程技术有限公司 | A kind of damper |
-
2019
- 2019-07-18 CN CN201921129836.6U patent/CN210016247U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277758A (en) * | 2019-07-18 | 2019-09-24 | 南京南瑞继保工程技术有限公司 | A kind of damper |
| CN110277758B (en) * | 2019-07-18 | 2024-04-09 | 南京南瑞继保工程技术有限公司 | Damper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110277758B (en) | Damper | |
| CN210016247U (en) | Vibration damper | |
| CN204615333U (en) | A New Type of Spring Anti-vibration Hammer | |
| CN208316258U (en) | A kind of bracing wire strain clamp | |
| CN206712413U (en) | A kind of stable type Pre-Cutter-Type Anti-Vibration Hammer | |
| CN105391019A (en) | Aero-vibration broad band inhibition anti-vibration hardware fitting for power transmission line | |
| CN209658853U (en) | A kind of connection structure of transmission line of electricity XGU shaped cable clamp hanging plate and hull | |
| CN213661156U (en) | A new type of windproof eccentric weight hammer and windproof eccentric weight hammer device | |
| CN101807780B (en) | Anti-vibration hammer for high-voltage power transmission lines | |
| CN203039319U (en) | Anti-corona aluminium pipe interval rod | |
| CN102306921B (en) | Break-proof method of insulator chain fracture caused by wind blowing | |
| CN213693102U (en) | Spherical hammer head damper | |
| CN201733051U (en) | Split conductor waving preventer | |
| CN206759003U (en) | A kind of suspension clamp | |
| CN215528571U (en) | Long wire clamp double-steel stranded wire type damper | |
| CN105633895B (en) | One kind damping connecting-type multiple fission conductor air flow spoiler | |
| CN202840432U (en) | A bell type anti-vibration hammer | |
| CN112271679A (en) | Novel prevent wind weight bias hammer piece and prevent wind weight bias hammer device | |
| CN208142791U (en) | Advanced fiber reinforced composites stockbridge damper | |
| CN201323426Y (en) | Six-division double-pendulum anti-galloping damping spacer rod | |
| CN217159230U (en) | An electromagnetic damping type transmission conductor galloping suppression device | |
| CN205453047U (en) | Take damper of arcuation steel strand wires | |
| CN217640809U (en) | Damping shock absorber and damping suspension insulator thereof | |
| CN215868774U (en) | Copper core crosslinked polyethylene insulation aerial cable | |
| CN203839893U (en) | Shockproof hammer for overhead line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |