CN111614049A - Multidimensional displacement amplification shearing type damping spacer - Google Patents
Multidimensional displacement amplification shearing type damping spacer Download PDFInfo
- Publication number
- CN111614049A CN111614049A CN202010522093.XA CN202010522093A CN111614049A CN 111614049 A CN111614049 A CN 111614049A CN 202010522093 A CN202010522093 A CN 202010522093A CN 111614049 A CN111614049 A CN 111614049A
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- China
- Prior art keywords
- steel sheet
- rubber
- steel
- spacer
- distance
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- 125000006850 spacer group Chemical group 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 20
- 230000003321 amplification Effects 0.000 title claims abstract description 17
- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract description 17
- 238000010008 shearing Methods 0.000 title claims abstract description 17
- 238000013016 damping Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 16
- 239000004020 conductor Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000002401 inhibitory effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/12—Devices for maintaining distance between parallel conductors, e.g. spacer
- H02G7/125—Damping spacers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
Landscapes
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention belongs to the technical field of power transmission line vibration reduction, and provides a multidimensional displacement amplification shearing type damping spacer which comprises rubber, steel sheets, pin columns, sliding holes, a shell, semi-cylinders and ventilation openings. The multidimensional displacement amplification shearing type damping spacer can perform multidimensional energy consumption along the direction of a conductor, along the direction of a spacer steel arm and along the direction vertical to the spacer steel arm, and has a good inhibiting effect on uncertain vibration of the conductor; the lever is enabled to generate amplification effects in two directions through the pin column and the semi-cylinder respectively, and the relative displacement of the conducting wire is amplified by utilizing the lever principle, so that the shearing displacement of rubber is increased, and the energy consumption efficiency is greatly improved; the energy consumption effect is adjusted by adjusting the contact area of the steel sheet and the rubber, the ratio of the distance L1 from the pin column to the wire clamp to the distance L2 from the triangular end of the steel sheet, and the ratio of the distance L3 from the center of the semi-cylindrical section to the wire clamp to the distance L4 from the triangular end of the steel sheet; the device has the advantages of cheap materials, low cost, simple structure, easy maintenance and the like.
Description
Technical Field
The invention belongs to the technical field of power transmission line vibration reduction, and particularly relates to a multidimensional displacement amplification shearing type damping spacer.
Background
With the development of the electric power industry in China, the construction of a power station is accelerated, and meanwhile, the construction of a power grid is accelerated synchronously. The construction of the transmission line needs to take the influence of many adverse factors into consideration. The widespread use of split conductors reduces the loss of electrical energy during the transmission process. The conductor spacer is arranged on the split conductors and used for fixing the space between the split conductors so as to prevent the conductors from mutually whipping, vibrating and subspan oscillating under the action of wind in all directions.
In order to reduce the vibration of the conducting wire, various energy consumption spacing rods are developed at home and abroad, and mainly comprise rubber energy consumption spacing rods, intelligent material energy consumption spacing rods and eddy current energy consumption spacing rods. However, the existing energy-consuming conductor spacer is low in energy-consuming efficiency, generally one-way effective, and difficult to exert effect in the face of random uncertain multi-dimensional vibration. Therefore, it is necessary to invent a spacer with high energy consumption efficiency and capable of performing multi-dimensional energy consumption and vibration reduction.
Disclosure of Invention
The invention provides a multidimensional displacement amplification shearing type damping spacer, which amplifies relative movement of a split conductor in each direction, utilizes a steel sheet to shear rubber to consume energy, can improve the vibration damping effect of the conductor in each direction, and is low in cost and easy to install.
The technical scheme of the invention is as follows:
a multidimensional displacement amplification shearing type damping spacer comprises rubber, steel sheets, pins, sliding holes, a shell, a semi-cylinder and a ventilation opening;
one end of the steel sheet is a triangular steel sheet, the other end of the steel sheet is a steel arm, the tail end of the steel arm is connected with a lead through a wire clamp, a sliding hole is reserved in the steel arm, a pin column penetrates through the sliding hole, the steel sheet rotates around the pin column or translates along the axial direction of the steel arm within the stroke range of the sliding hole, and the outer surface of the steel sheet is tightly attached to rubber through an adhesive;
the rubber is tightly attached to the outer wall of the shell through an adhesive and symmetrically arranged on two sides of the steel sheet, and the rubber is sheared when the steel sheet translates in the plane of the spacer or rotates around the pin;
the pin column is a cylindrical rod, and two ends of the pin column are rigidly connected with the shell;
the semi-cylinder is rigidly connected with the outer wall of the shell, is arranged on the outer side of the rubber and is tangent to the steel sheet as a pivot for the rotation of the steel sheet, and the steel sheet can rotate slightly along the normal direction of the rubber plane, namely along the direction of the wire and extrude the rubber;
the ventilation opening is enclosed by the inner wall of the shell.
The triangular end part of the steel sheet is a fillet and is in smooth contact with rubber, so that the stress concentration phenomenon is relieved.
The steel sheet at the sliding hole is widened.
The distance L1 between the pin and the wire clamp is less than the distance L2 between the pin and the end of the steel sheet.
The distance L3 between the center of the section of the semi-column and the wire clamp is less than the distance L4 between the center of the section of the semi-column and the triangular end of the steel sheet.
The energy consumption effect can be adjusted by adjusting the contact area of the steel sheet and the rubber, the ratio of L1 to L2 and the ratio of L3 to L4.
The invention has the beneficial effects that:
(1) the multidimensional displacement amplification shearing type damping spacer rod can perform multidimensional energy consumption in the direction along the wire, the direction along the steel arm of the spacer rod and the direction vertical to the steel arm of the spacer rod, and has a good inhibiting effect on uncertain vibration of the wire.
(2) According to the multidimensional displacement amplification shearing type damping spacer, one lever generates amplification effects in two directions through the pin column and the semi-cylinder respectively, the relative displacement of the conducting wire is amplified by utilizing the lever principle, the shearing displacement of rubber is increased, and the energy consumption efficiency is greatly improved.
(3) The multidimensional displacement amplification shearing type damping spacer can adjust the energy consumption effect by adjusting the contact area of the steel sheet and the rubber, the ratio of L1 to L2 and the ratio of L3 to L4.
(4) The multidimensional displacement amplification shearing type damping spacer is cheap in material and low in cost.
(5) The multidimensional displacement amplification shearing type damping spacer has the advantages of simple structure, easiness in maintenance and the like.
Drawings
FIG. 1 is an elevation view of a multi-dimensional displacement-amplifying shear-type spacer damper according to an embodiment of the present invention;
FIG. 2 is a sectional view of a multi-dimensional displacement-amplifying shear type spacer damper A-A according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a multi-dimensional displacement-amplifying shear-type spacer damper B-B according to an embodiment of the present invention;
in the figure: 1, rubber; 2, steel sheets; 3, a pin column; 4, sliding holes; 5, a shell; 6, a semi-cylinder; 7 air vents.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of a multi-dimensional displacement-amplifying shear-type spacer damper according to the present invention includes: the device comprises rubber 1, a steel sheet 2, a pin 3, a slide hole 4, a shell 5, a semi-cylinder 6 and a ventilation opening 7.
When the wire is subjected to wind power, earthquake and the like, three orthogonal directions of vibration, such as the direction along the wire, the direction along the steel arm of the spacer rod and the direction vertical to the steel arm, can be generated, and the steel arm end of the steel sheet 2 can vibrate along with the wire;
when vibration is generated along the direction of the steel arm of the spacer rod, the steel sheet 2 can translate in the stroke of the sliding hole 4, and the triangular part of the steel sheet 2 shears the rubber 1 on the two sides of the steel sheet to consume energy;
when vibration is generated along the guide line direction, the steel sheet 2 is used as a lever, the vibration of the steel arm end is amplified through the lever formed by the fulcrum semi-cylinder 6 and then transmitted to the triangular end, and the triangular part extrudes the rubber 1 to consume energy;
when vibration is generated in the direction vertical to the lead and the steel arm, the steel sheet 2 rotates by taking the pin 3 as an axis, the vibration of the end of the steel arm is amplified through a lever formed by the fulcrum pin 3 and then transmitted to the triangular end, and the rubber 1 at two sides of the triangular part is cut to consume energy;
the outer wall of the housing 5 acts as a protection device and the inner wall encloses a vent 7 to reduce the resistance experienced by the device in the down-the-wire direction.
The multidimensional displacement amplification shearing type damping spacer rod can perform multidimensional energy consumption in the direction along the wire, the direction along the steel arm of the spacer rod and the direction vertical to the steel arm of the spacer rod, and has a good inhibiting effect on uncertain vibration of the wire; a lever generates amplification effect in two directions through the pin 3 and the semi-cylinder 6 respectively, and the relative displacement of the wires is amplified by utilizing the lever principle, so that the shearing displacement of the rubber 1 is increased, and the energy consumption efficiency is greatly improved; the energy consumption effect can be adjusted by adjusting the contact area of the steel sheet 2 and the rubber 1, the ratio of the distance L1 from the pin column 3 to the wire clamp to the distance L2 from the triangular end of the steel sheet 2, and the ratio of the distance L3 from the center of the section of the semi-cylinder 6 to the wire clamp to the distance L4 from the triangular end of the steel sheet 2; the device has the advantages of cheap materials, low cost, simple structure, easy maintenance and the like.
Attention is required in designing the present invention: firstly, the distance L1 from the pin column 3 to the wire clamp is less than the distance L2 from the triangular end of the steel sheet 2, and the distance L3 from the center of the section of the semi-cylinder 6 to the wire clamp is less than the distance L4 from the triangular end of the steel sheet 2; secondly, the triangular end part of the steel sheet 2 needs to be rounded, so that the stress concentration phenomenon is relieved, and the abrasion of the steel sheet 2 to the rubber 1 is reduced; thirdly, the joint of the triangular part and the steel arm part of the steel sheet 2 is in smooth curve transition so as to prevent the steel sheet 2 from generating stress concentration due to shape mutation; fourthly, the section of the steel sheet 2 at the position where the sliding hole 4 is arranged needs to be locally enlarged, and overlarge stress at the position is avoided.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A multidimensional displacement amplification shearing type damping spacer is characterized by comprising rubber, steel sheets, pins, sliding holes, a shell, semi-cylinders and ventilation openings;
one end of the steel sheet is a triangular steel sheet, the other end of the steel sheet is a steel arm, the tail end of the steel arm is connected with a lead through a wire clamp, a sliding hole is reserved in the steel arm, a pin column penetrates through the sliding hole, the steel sheet rotates around the pin column or translates along the axial direction of the steel arm within the stroke range of the sliding hole, and the outer surface of the steel sheet is tightly attached to rubber through an adhesive;
the rubber is tightly attached to the outer wall of the shell through an adhesive and symmetrically arranged on two sides of the steel sheet, and the rubber is sheared when the steel sheet translates in the plane of the spacer or rotates around the pin;
the pin column is a cylindrical rod, and two ends of the pin column are rigidly connected with the shell;
the semi-cylinder is rigidly connected with the outer wall of the shell, is arranged on the outer side of the rubber and is tangent to the steel sheet as a pivot for the rotation of the steel sheet, and the steel sheet can rotate slightly along the normal direction of the rubber plane, namely along the direction of the wire and extrude the rubber;
the ventilation opening is enclosed by the inner wall of the shell.
2. The spacer damper according to claim 1, wherein the distance L1 between the pin and the clip is less than the distance L2 between the end of the steel plate.
3. The spacer damper according to claim 1 or 2, wherein the distance L3 from the center of the cross section of the semi-cylindrical column to the wire clamp is less than the distance L4 from the triangular end of the steel sheet.
4. The spacer damper according to claim 1 or 2, wherein the triangular end of the steel sheet is rounded to smoothly contact with rubber, thereby reducing stress concentration.
5. The spacer damper according to claim 3, wherein the triangular end of the steel plate is rounded to smoothly contact with rubber, thereby reducing stress concentration.
6. The spacer damper according to claim 1, 2 or 5, wherein the steel sheet is widened at the sliding hole.
7. The spacer damper according to claim 3, wherein the steel sheet is widened at the sliding hole.
8. The spacer damper according to claim 4, wherein the steel sheet is widened at the sliding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522093.XA CN111614049A (en) | 2020-06-10 | 2020-06-10 | Multidimensional displacement amplification shearing type damping spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522093.XA CN111614049A (en) | 2020-06-10 | 2020-06-10 | Multidimensional displacement amplification shearing type damping spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111614049A true CN111614049A (en) | 2020-09-01 |
Family
ID=72203519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010522093.XA Pending CN111614049A (en) | 2020-06-10 | 2020-06-10 | Multidimensional displacement amplification shearing type damping spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111614049A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002213528A (en) * | 2001-01-24 | 2002-07-31 | Toyo Tire & Rubber Co Ltd | Vibration control damper device |
| JP2002235454A (en) * | 2001-02-07 | 2002-08-23 | Toyo Tire & Rubber Co Ltd | Vibration damper device |
| CN2641876Y (en) * | 2003-05-09 | 2004-09-15 | 四平线路器材厂技术中心 | Spacer for 330KV compact type transimssion power line |
| CN103683157A (en) * | 2013-11-20 | 2014-03-26 | 辽宁华隆电力科技有限公司 | Multi-dimensional movable-fit spacer for four-cracking power transmission line |
| CN204144869U (en) * | 2014-11-19 | 2015-02-04 | 南京特瑞线路器材有限公司 | A kind of claw type cracking damping conductor spacer |
| CN205016971U (en) * | 2015-10-16 | 2016-02-03 | 国网河南省电力公司电力科学研究院 | Novel quadripartion conductor spacer of anti dance |
| WO2016169124A1 (en) * | 2015-04-20 | 2016-10-27 | 北京工业大学 | Damping steel bar connector |
| CN207559507U (en) * | 2017-12-06 | 2018-06-29 | 江苏曼龙科技有限公司 | A kind of double Split type lead spacer |
| CN212137230U (en) * | 2020-06-10 | 2020-12-11 | 大连理工大学 | Multidimensional displacement amplification shearing type damping spacer |
-
2020
- 2020-06-10 CN CN202010522093.XA patent/CN111614049A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002213528A (en) * | 2001-01-24 | 2002-07-31 | Toyo Tire & Rubber Co Ltd | Vibration control damper device |
| JP2002235454A (en) * | 2001-02-07 | 2002-08-23 | Toyo Tire & Rubber Co Ltd | Vibration damper device |
| CN2641876Y (en) * | 2003-05-09 | 2004-09-15 | 四平线路器材厂技术中心 | Spacer for 330KV compact type transimssion power line |
| CN103683157A (en) * | 2013-11-20 | 2014-03-26 | 辽宁华隆电力科技有限公司 | Multi-dimensional movable-fit spacer for four-cracking power transmission line |
| CN204144869U (en) * | 2014-11-19 | 2015-02-04 | 南京特瑞线路器材有限公司 | A kind of claw type cracking damping conductor spacer |
| WO2016169124A1 (en) * | 2015-04-20 | 2016-10-27 | 北京工业大学 | Damping steel bar connector |
| CN205016971U (en) * | 2015-10-16 | 2016-02-03 | 国网河南省电力公司电力科学研究院 | Novel quadripartion conductor spacer of anti dance |
| CN207559507U (en) * | 2017-12-06 | 2018-06-29 | 江苏曼龙科技有限公司 | A kind of double Split type lead spacer |
| CN212137230U (en) * | 2020-06-10 | 2020-12-11 | 大连理工大学 | Multidimensional displacement amplification shearing type damping spacer |
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