CN207194598U - A kind of tuned mass damper of concrete power transmission rod - Google Patents
A kind of tuned mass damper of concrete power transmission rod Download PDFInfo
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- CN207194598U CN207194598U CN201721018871.1U CN201721018871U CN207194598U CN 207194598 U CN207194598 U CN 207194598U CN 201721018871 U CN201721018871 U CN 201721018871U CN 207194598 U CN207194598 U CN 207194598U
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- anchor ear
- damper
- power transmission
- transmission rod
- concrete
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Abstract
The utility model discloses a kind of tuned mass damper of concrete power transmission rod, is related to transmission line of electricity concrete frame structures under wind antivibration area.The tuned mass damper of the concrete power transmission rod, subtract wind dynamic control for the following transmission and distribution network concrete frames of coastal area 10kV, mainly by annulus mass block, spring and damper, anchor ear, gripper shoe groups into.Tuned mass damper can be easily installed on the concrete transmission of electricity club body of circular cross-section, effectively reduces dynamic response of the power transmission rod under typhoon effect, reduces the bar bottom moment of flexure under typhoon effect, improves the wind loading rating of concrete power transmission rod；The utility model is applied to the wind resistance mitigation field of coastal area power transmission rod, the reliability and security of transmission line of electricity can be improved, for ensureing that transmission line of electricity is significant in the safe and stable operation of typhoon period.
Description
Technical field
The utility model belongs to transmission line of electricity concrete frame structures under wind antivibration area, more particularly to a kind of concrete
The tuned mass damper of power transmission rod.
Background technology
China coast is typhoon prone areas, and coastal cities are defeated caused by typhoon in recent years frequently by typhoon influence
Electric line pole collapse accident takes place frequently, wherein maximum with the cement pole quantity of falling bar in below 35kV transmission lines of electricity.Break during typhoon
Bar, which falls bar, causes large area power breakdown, adds difficulty to repairing after calamity, and cause huge property loss and social influence.
Therefore, how research improves the cement pole anti-typhoon capacity in below 35kV transmission lines of electricity, reduces power transmission rod under typhoon effect
Dynamic response, improve the reliability and security of transmission line of electricity, reduce the generation of pole collapse accident, to ensure power grid operation
Important in inhibiting.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of tuned mass damper of concrete power transmission rod,
For the wind dynamic control that subtracts of the following transmission and distribution network concrete power transmission rods of coastal area 10kV, tuned mass damper can be installed conveniently
In on the shaft of the concrete power transmission rod of circular cross-section, effectively reducing dynamic response of the power transmission rod under typhoon effect, reduce platform
Power transmission rod bar bottom moment of flexure under wind effect, improve the wind loading rating of concrete power transmission rod.
The utility model is that solve above-mentioned technical problem by the following technical solutions：A kind of concrete power transmission rod is used
Tuned mass damper, including annulus mass block, spring, damper, anchor ear and supporting plate；The anchor ear includes interior embrace
Hoop, upper anchor ear and lower anchor ear, the supporting plate include upper backup pad and lower supporting plate；The interior anchor ear is fixed on concrete transmission of electricity
On club body, the annulus mass block is connected by spring and damper with the interior anchor ear；The upper anchor ear and lower anchor ear are consolidated
Above and below the interior anchor ear on the concrete power transmission rod of both sides；One end of the upper backup pad and lower supporting plate is respectively welded at
On the side of the upper anchor ear and lower anchor ear, another horizontal free end respectively with above the annulus mass block and following patch
Close, with support ring form quality gauge block.
Further, the spring and damper are parallel connection structure, and one end of the parallel connection structure passes through
One hinge bar is hinged with the interior anchor ear, and the other end is hinged by the second hinge bar and the annulus mass block.
Further, the parallel connection structure of the spring and damper has four groups, four groups of springs and damper
Parallel connection structure uniform ring is around being distributed between the interior anchor ear and annulus mass block, the folder between adjacent parallel connection structure
Angle is in 90 °, realizes in horizontal plane and is arbitrarily controlled to vibration damping.
Further, one end of the upper backup pad and lower supporting plate is respectively welded at the side of the upper anchor ear and lower anchor ear
On face.
Further, the upper backup pad and lower supporting plate are " Z " font, and have four groups of upper backup pads and lower support
Plate；Four groups of upper backup pads and lower supporting plate respectively uniform ring around the side for being distributed in upper anchor ear and lower anchor ear, and with it is described
The parallel connection structure position of spring and damper is adapted.
Further, the anchor ear includes upper semi-circle anchor ear, lower half circle anchor ear and tie down screw and torque nut；It is described
The left and right ends of upper semi-circle anchor ear and lower half circle anchor ear are respectively connected with connecting plate, are offered on the connecting plate and the locking
The through hole that screw rod matches；The tie down screw is through the through hole on connecting plate by the left and right of upper semi-circle anchor ear and lower half circle anchor ear
Both ends connect respectively, and are locked by torque nut；According to the structure design upper semi-circle anchor ear of concrete power transmission rod with
Semicircle anchor ear, can effectively clamp concrete power transmission rod, and be connected using tie down screw, when installing tuned mass damper more
Add convenient and swift.
Further, the clamping part formed between the upper semi-circle anchor ear and lower half circle anchor ear is provided with rubber blanket；Rubber
Frictional force between pad increase anchor ear and concrete power transmission rod, make tuned mass damper installation more firm.
Compared with prior art, the tuned mass damper of concrete power transmission rod provided by the utility model, including
Annulus mass block, spring, damper, anchor ear and supporting plate；The anchor ear includes interior anchor ear, upper anchor ear and lower anchor ear, described
Supporting plate includes upper backup pad and lower supporting plate；The interior anchor ear is fixed on concrete transmission of electricity club body, the annulus mass
Block is connected by spring and damper with the interior anchor ear；The upper anchor ear and lower anchor ear are fixed on interior anchor ear both sides up and down
Concrete power transmission rod on；One end of the upper backup pad and lower supporting plate is respectively welded at the side of the upper anchor ear and lower anchor ear
On face, another horizontal free end respectively with above the annulus mass block and it is following be bonded, with support ring form quality gauge block；By institute
State tuned mass damper to be installed on the shaft of concrete power transmission rod, it is dynamic under typhoon effect can effectively to reduce power transmission rod
Force-responsive, reduce the power transmission rod bar bottom moment of flexure under typhoon effect, improve the wind loading rating of concrete power transmission rod, improve transmission line of electricity
Reliability and security, reduce the probability of happening of pole collapse accident；The utility model is simple in construction, cost is low, durability is strong, peace
Loaded on concrete transmission of electricity club body, the circuit safety of transmission line of electricity is not influenceed, is to carry out concrete power transmission rod vibration damping wind damage resisting
Direct approach, for ensure transmission line of electricity it is significant in the safe and stable operation of typhoon device.
Brief description of the drawings
It is required in being described below to embodiment to use in order to illustrate more clearly of the technical solution of the utility model
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only one embodiment of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is that a kind of tuned mass damper of concrete power transmission rod of the utility model is arranged on concrete power transmission rod
Top view；
Fig. 2 is that a kind of tuned mass damper of concrete power transmission rod of the utility model is arranged on concrete power transmission rod
Side view；
Fig. 3 is the structural representation of the utility model anchor ear；
Wherein：1- annulus mass blocks, 2- springs, 3- dampers, the hinge bars of 4- first, anchor ear in 5-, 6- lower supporting plates, 7-
Lower anchor ear, 8- upper backup pads, the upper anchor ears of 9-, 10- concrete power transmission rods, the hinge bars of 11- second, 12- upper semi-circle anchor ears, under 13-
Semicircle anchor ear, 14- connecting plates, 15- tie down screws, 16- torque nuts.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the utility model is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole embodiments.
Based on the embodiment in the utility model, those of ordinary skill in the art are obtained on the premise of creative work is not made
Every other embodiment, belong to the utility model protection scope.
As depicted in figs. 1 and 2, the tuned mass damper of a kind of concrete power transmission rod provided by the utility model,
Including annulus mass block 1, spring 2, damper 3, anchor ear and supporting plate；Anchor ear has three, including interior anchor ear 5, the and of upper anchor ear 9
Lower anchor ear 7, supporting plate include upper backup pad 8 and lower supporting plate 6；On the shaft of concrete power transmission rod 10 that interior anchor ear is fixed on；Bullet
Spring 2 and damper 3 are connected in parallel to form parallel connection structure, and annulus mass block 1 is by the second hinge bar 11 with being connected in parallel knot
One end of structure is hinged, and the other end of parallel connection structure is connected by the first hinge bar 4 with the side of interior anchor ear 5；The upper He of anchor ear 9
Lower anchor ear 7 is individually fixed in interior anchor ear about 5 on the concrete power transmission rod 10 of both sides；One end of upper backup pad 8 and lower supporting plate 6
Be respectively welded on the side of anchor ear 9 and lower anchor ear 7, another horizontal free end respectively with above annulus mass block 1 and under
Face is bonded, with support ring form quality gauge block 1.
The parallel connection structure that spring 2 and damper 3 are formed has four groups, and four groups of springs 2 and damper 3 are connected in parallel knot
For structure uniform ring around being distributed between interior anchor ear 5 and annulus mass block 1, the angle between adjacent parallel connection structure is in 90 °, is realized
Arbitrarily controlled in horizontal plane to vibration damping.
Upper backup pad 8 and lower supporting plate 6 are " Z " font, and have four groups of upper backup pads 8 and lower supporting plate 6；Propped up on four groups
Fagging 8 and lower supporting plate 6 respectively uniform ring around the side for being distributed in upper anchor ear 9 and lower anchor ear 7, and with spring 2 and damper 3
Parallel connection structure position is adapted.
As shown in figure 3, anchor ear includes upper semi-circle anchor ear 12, lower half circle anchor ear 13 and tie down screw 15 and torque nut
16；The left and right ends of upper semi-circle anchor ear 12 and lower half circle anchor ear 13 are respectively connected with connecting plate 14, offered on connecting plate 14 with
The through hole that tie down screw 15 matches；Tie down screw 15 embraces upper semi-circle anchor ear 12 and lower half circle through the through hole on connecting plate 14
The left and right ends of hoop 13 connect respectively, and are locked by torque nut 16；According to the structure design of concrete power transmission rod 10
Upper semi-circle anchor ear 12 and lower half circle anchor ear 13, concrete power transmission rod 10 can be effectively clamped, and be connected using tie down screw 15,
Install more convenient during tuned mass damper.
The clamping part formed between upper semi-circle anchor ear 12 and lower half circle anchor ear 13 is provided with rubber blanket；Rubber blanket increases anchor ear
With the frictional force between concrete power transmission rod 10, make tuned mass damper installation more firm.
Annulus mass block 1 with the pin joint of spring 2 and damper 3 as the strong point to rotate, and in upper backup pad 8 and lower branch
Bidirectional slide on fagging 6, the coefficient of sliding friction are less than 0.03.
The utility model is simple in construction, cost is low, durability is strong, is installed on concrete transmission of electricity club body, does not influence defeated
The circuit safety of electric line, it is the direct approach for carrying out concrete power transmission rod vibration damping wind damage resisting, for ensureing transmission line of electricity in platform
The safe and stable operation of wind device is significant.
Above disclosed is only specific embodiment of the present utility model, but the scope of protection of the utility model not office
It is limited to this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Change or modification, should all cover within the scope of protection of the utility model.
Claims (6)
- A kind of 1. tuned mass damper of concrete power transmission rod, it is characterised in that：Including annulus mass block（1）, spring （2）, damper（3）, anchor ear and supporting plate；The anchor ear includes interior anchor ear（5）, upper anchor ear（9）With lower anchor ear（7）, it is described Supporting plate includes upper backup pad（8）And lower supporting plate（6）；The interior anchor ear（5）It is fixed on concrete power transmission rod（10）On shaft, The annulus mass block（1）Pass through spring（2）And damper（3）With the interior anchor ear（5）Connection；The upper anchor ear（9）With under Anchor ear（7）It is fixed on the interior anchor ear（5）The concrete power transmission rod of upper and lower both sides（10）On；The upper backup pad（8）With lower branch Fagging（6）One end be respectively welded at the upper anchor ear（9）With lower anchor ear（7）Side on, another horizontal free end respectively with The annulus mass block（1）Above and following fitting, with support ring form quality gauge block（1）.
- 2. tuned mass damper as claimed in claim 1, it is characterised in that：The spring（2）And damper（3）For parallel connection Attachment structure, one end of the parallel connection structure pass through the first hinge bar（4）With the interior anchor ear（5）Be hinged, the other end leads to Cross the second hinge bar（11）With the annulus mass block（1）It is be hinged.
- 3. tuned mass damper as claimed in claim 2, it is characterised in that：The spring（2）And damper（3）Parallel connection Attachment structure has four groups, four groups of springs（2）And damper（3）Parallel connection structure uniform ring around be distributed in it is described in embrace Hoop（5）With annulus mass block（1）Between, the angle between adjacent parallel connection structure is in 90 °.
- 4. tuned mass damper as claimed in claim 1, it is characterised in that：The upper backup pad（8）And lower supporting plate（6） It is " Z " font, and there are four groups of upper backup pads（8）And lower supporting plate（6）；Four groups of upper backup pads（8）And lower supporting plate（6） Uniform ring is around being distributed in upper anchor ear respectively（9）With lower anchor ear（7）Side, and with the spring（2）And damper（3）Parallel connection Attachment structure position is adapted.
- 5. tuned mass damper as claimed in claim 1, it is characterised in that：The anchor ear includes upper semi-circle anchor ear（12）、 Lower half circle anchor ear（13）And tie down screw（15）And torque nut（16）；The upper semi-circle anchor ear（12）With lower half circle anchor ear （13）Left and right ends be respectively connected with connecting plate（14）, the connecting plate（14）On offer and the tie down screw（15）Phase The through hole of matching；The tie down screw（15）Through connecting plate（14）On through hole by upper semi-circle anchor ear（12）With lower half circle anchor ear （13）Left and right ends connect respectively, and pass through torque nut（16）Locking.
- 6. tuned mass damper as claimed in claim 5, it is characterised in that：The upper semi-circle anchor ear（12）Embraced with lower half circle Hoop（13）Between the clamping part that is formed be provided with rubber blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721018871.1U CN207194598U (en) | 2017-08-15 | 2017-08-15 | A kind of tuned mass damper of concrete power transmission rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721018871.1U CN207194598U (en) | 2017-08-15 | 2017-08-15 | A kind of tuned mass damper of concrete power transmission rod |
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| CN207194598U true CN207194598U (en) | 2018-04-06 |
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| CN201721018871.1U Active CN207194598U (en) | 2017-08-15 | 2017-08-15 | A kind of tuned mass damper of concrete power transmission rod |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654111A (en) * | 2017-08-15 | 2018-02-02 | 广西电网有限责任公司电力科学研究院 | A kind of annular tuned mass damper to be shaken for concrete power transmission rod checking |
| CN111794515A (en) * | 2020-07-23 | 2020-10-20 | 潘春燕 | Installation and construction method for electric power construction cement telegraph pole |
| CN113152707A (en) * | 2020-12-31 | 2021-07-23 | 同济大学 | Polygonal mass continuously adjustable damper |
| CN113605774A (en) * | 2021-10-11 | 2021-11-05 | 江苏玖泰电力实业有限公司 | Line lateral wind power component for reducing linear rod under extreme strong wind |
-
2017
- 2017-08-15 CN CN201721018871.1U patent/CN207194598U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654111A (en) * | 2017-08-15 | 2018-02-02 | 广西电网有限责任公司电力科学研究院 | A kind of annular tuned mass damper to be shaken for concrete power transmission rod checking |
| CN107654111B (en) * | 2017-08-15 | 2023-09-12 | 广西电网有限责任公司电力科学研究院 | Annular tuning mass damper for reducing wind vibration of concrete transmission pole |
| CN111794515A (en) * | 2020-07-23 | 2020-10-20 | 潘春燕 | Installation and construction method for electric power construction cement telegraph pole |
| CN111794515B (en) * | 2020-07-23 | 2022-04-05 | 江苏博创升降机械有限公司 | Installation and construction method for electric power construction cement telegraph pole |
| CN113152707A (en) * | 2020-12-31 | 2021-07-23 | 同济大学 | Polygonal mass continuously adjustable damper |
| CN113605774A (en) * | 2021-10-11 | 2021-11-05 | 江苏玖泰电力实业有限公司 | Line lateral wind power component for reducing linear rod under extreme strong wind |
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