CN105910782A - Seismostation test device for power transmission tower line system - Google Patents
Seismostation test device for power transmission tower line system Download PDFInfo
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- CN105910782A CN105910782A CN201610244539.0A CN201610244539A CN105910782A CN 105910782 A CN105910782 A CN 105910782A CN 201610244539 A CN201610244539 A CN 201610244539A CN 105910782 A CN105910782 A CN 105910782A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- General Physics & Mathematics (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to a seismostation test device for a power transmission tower line system, and the power transmission tower line system comprises a vertical tower body and model towers disposed at the upper end of the tower body in a lateral direction and composed of a tower head. The device comprises an equivalent tower parallel to the model towers, and a fixed base disposed at the lower end of the equivalent tower. The number of the model towers is three or more, and each model tower is connected through two steel strand layers disposed at the top. The upper steel strand passes through the equivalent tower to be fixedly connected with the fixed base, and the lower steel strand is a strand connected with an I-shaped insulating string or a V-shaped insulating string, and two ends of the lower steel strand are respectively connected with the equivalent tower. Compared with the prior art, the device provided by the invention gives full consideration to the boundary condition, so as to truly reflect the stress state of a tower line system or a single tower, to improve the application range, and reduce the cost.
Description
Technical field
The present invention relates to a kind of seismographic station assay device, the seismographic station assay device of a kind of Transmission Tower-line System.
Background technology
Power transmission tower is the pillar of power transmission, and its safety and reliability directly affects safety and the operation of whole power system.Ground
When shake occurs, power transmission tower can damage and even collapse, impact to social life, brings economic loss, and then the national warp of impact
Ji development.So needing the seismographic station assay device of a kind of Transmission Tower-line System, to detect power transmission tower when geological disasters such as earthquakes
Anti-seismic performance.
The vibration detection device of existing power transmission tower only a power transmission tower is carried out anti-seismic performance detection have ignored power transmission tower and power transmission tower it
Between, influencing each other between power transmission tower and lead wire and earth wire.Problems with can be related to: 1. have ignored the boundary condition of power transmission tower, it is impossible to true
Real reflection transmission system or the real bearing state of single column, impact detection data.2. power transmission tower is all tower-line-tower-line-tower
Going down Deng extension always, power transmission tower test can not only have an only tower, it is also contemplated that the electric wire of tower both sides and adjacent tower, it is impossible to true
Reflection ultra-high-tension power transmission line and housing structure dynamic trait under geological process and seismic response.3. transport and testing cost are high
Construction speed is difficult to control to.4. it is not suitable for that hill path is precipitous, lacks construction material, needs large-scale construction equipment carrying and work
Area.
For this reason, it may be necessary to provide the seismographic station assay device of a kind of Transmission Tower-line System, take into full account boundary condition, with true anti-
Reflect tower wire body system or the stress of single column, improve the scope of application and reduce cost.
Summary of the invention
The technical problem to be solved in the present invention is: provide the seismographic station assay device of a kind of Transmission Tower-line System, described Transmission Tower-line
System includes by the tower body being vertically arranged, the model tower that forms at the tower head of described tower body upper end edge horizontally set, described seismographic station
Assay device includes that the grade be arrangeding in parallel with described model tower for tower and is arranged on the immobilizing foundation for tower lower end such as described,
Described model tower is three or more than three, and each described model tower is by being separately positioned on the two-layer steel strand wires phase on its top
Even；
The described steel strand wires being arranged on upper strata wait Dai Tayu immobilizing foundation to be connected through described,
The described steel strand wires being arranged on lower floor are to be connected with I type insulator string or the twisted wire of V-type insulator string, and its two ends are respectively with described etc.
It is connected for tower.
Described tower body is for be cross-linked to form by the main material of angle steel, the oblique material of angle steel and material main with the described angle steel horizontal material of vertically disposed angle steel
Frame structure, the main material of described angle steel, the oblique material of angle steel and the horizontal material of angle steel are connected by gusset plate.
Described tower head includes horizontally disposed cross-arm, is perpendicular to described cross-arm and is symmetrically arranged at the perpendicular support of described tower body both sides
Beam and the earth wire support being arranged on described cross-arm two ends；
Described perpendicular support beam and cross-arm surround and are shaped as hexagonal tower window；
The left end of described cross-arm is respectively equipped with the I type insulator string being connected with described steel strand wires with right-hand member, and the intermediate ends of described cross-arm sets
There is the V-type insulator string being connected with described steel strand wires.
Described grade is arranged on the described model tower two ends being serially connected for tower, and it includes being cross-linked shape by main material, horizontal material and oblique material
The frame structure become；
Four described main materials become 90 degree of distributions in the horizontal plane, form the hexahedron that top and bottom are rectangle；
Described horizontal material in same level surrounds horizontally disposed rectangle tabula face, and described rectangle tabula face will
Described grade is divided into four layers for tower.
Described I type insulator string includes by the insulator chain assembly of otic placode, insulator chain, connecting plate and link plate concatenation；
Described insulator is inverted umbrella-shaped structure；Its upper end is provided with fixing groove, and lower end is provided with plush copper；Described fixing groove and plush copper
Cooperate.
Described otic placode two ends are respectively provided with groove, and the fluting direction of described groove is mutually perpendicular to, and described groove two side is along same water
Horizontal line direction is respectively equipped with through hole；Described groove is connected with described insulator chain upper end and cross-arm respectively by connector；
Described connecting plate is respectively arranged at two ends with the fixed plate being connected with described insulator chain lower end and link plate.
Described V-type insulator string includes hang down yoke plate and the V-shaped suspension string being distributed on described vertical yoke plate；
Described vertical yoke plate is provided with the suspension clamp being distributed along same even circumferential；
Described suspension string is provided with composite insulator string, and described suspension string one end is connected with described steel strand wires connector, another
End is connected with described vertical yoke plate rotating shaft.
Described immobilizing foundation includes basic table top, vibration component and the firm banking being separately positioned on upper, middle and lower layer；
The longitudinal section of described basis table top is inverted isosceles trapezoid, its upper surface be provided with connect described model tower or etc. for the ground of tower
Foot bolt；
Described vibration component is included in horizontal direction and along the most evenly distributed excitor and is arranged on described excitor and basis table top
Between exciting vibration spring；
Described firm banking includes rectangle base plate and is arranged on the damping spring on the upside of described rectangle base plate.
Described Dai Tawei corrosion resisting alloy steel such as grade；Described corrosion resisting alloy steel include following component structure by mass percentage
Become:
Carbon: 0.05%, chromium: 18%, nickel: 20%, molybdenum: 5.3%, copper: 2.2%, silicon: 2, manganese: 2, nitrogen: 0.2,
Rare earth: 0.3, surplus is ferrum.
The using method of seismographic station assay device, described method comprises the steps:
The first step, designs and processes 3 model towers and 2 etc. for tower according to requirement of experiment；
Second step, determine centre-to-centre spacing and the model tower centre-to-centre spacing of immobilizing foundation according to the span of requirement of experiment after, by described model
Tower is anchored on three described immobilizing foundations respectively；
3rd step, according to actual design situation by hinged with described model tower to I type insulator string or V-type insulator string or be rigidly connected；
4th step, is anchored at described model tower both sides by grade for tower and is connected with described immobilizing foundation, setting at described model tower top end
Put the steel strand wires that two ends are connected respectively with described immobilizing foundation；The length of described steel strand wires according to the experiment span that determines of the likelihood ratio and
Vertical arc determines；
5th step, uses steel strand wires to connect the described I type insulator string or V-type insulator string, described steel being arranged on described model tower
Twisted wire two ends are connected for tower with described grade respectively.
The present invention compared with the prior art, has the advantages that
1, the vibration detection device of the power transmission tower that the present invention provides, has taken into full account boundary condition, has truly reflection tower wire body system
Or the stress of single column, the raising scope of application and the excellent effect of reduction cost.
2, the vibration detection device of power transmission tower that the present invention provides is provided with etc. for tower and immobilizing foundation, has taken into full account Oscillating boundary
Physical condition, has the excellent effect of the anti-seismic performance that can accurately detect power transmission tower.
3, the vibration detection device that the present invention provides is provided with the V-type insulator string of special construction, by optimize gold utensil structure and
Connected mode, effectively shortens the length of suspension string, thus reduces the tower body height of electric power pylon, reduce gold utensil and ferrum
The manufacture of tower, transport and construction cost, have good economic benefit.
4, the vibration detection device that the present invention provides is provided with corrosion resistance galvanized strand wires, have that intensity is high, anti-corrosion effects is good,
Improve the excellent effect in more than 1 year service life.
5, the application provide etc. for tower use special composition proportioning corrosion-resisting alloy steel, there is corrosion resistance and good, produce into
Basis is the lowest, improve the excellent effect in more than 1 year service life.
6, the immobilizing foundation that the application provides, has that excited frequency is high, exciting is effective, simple in construction and a production maintenance low cost
Excellent effect.
Accompanying drawing explanation
The power transmission tower front view that Fig. 1: the present invention provides；
The vibration detection device of Fig. 2: present invention offer and the connection diagram of power transmission tower；
The structural representation of the I type insulator string that Fig. 3: the present invention provides
The otic placode front view that Fig. 4: the present invention provides；
The otic placode left view that Fig. 5: the present invention provides；
The V-type insulator string front view that Fig. 6: the present invention provides；
The fixed infrastructure schematic diagram that Fig. 7: the present invention provides；
Wherein: 1 immobilizing foundation；2 grades are for tower；3 I type insulator strings；4 V-type insulator strings；The 5 main materials of angle steel；6 jiaos
The oblique material of steel；The 7 horizontal materials of angle steel；8 cross-arms；9 erect support beam；10 earth wire supports；11 otic placodes；12 insulator chains；
13 connecting plates；14 link plates；15 hang down yoke plate；16 suspension clamps；17 composite insulator strings；18 basis table tops；
19 excitors；20 exciting vibration springs；21 rectangle base plates；22 damping springs
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
As in figure 2 it is shown, the seismographic station assay device of a kind of Transmission Tower-line System of embodiment of the present invention offer, described Transmission Tower-line
System includes by the tower body being vertically arranged, the model tower that forms at the tower head of described tower body upper end edge horizontally set, described seismographic station
Assay device includes that the grade be arrangeding in parallel with described model tower for tower 2 and is arranged on the immobilizing foundation 1 for tower 2 lower end such as described,
Described model tower is three or more than three, and each described model tower is by being separately positioned on the two-layer steel strand wires phase on its top
Even；
The described steel strand wires being arranged on upper strata are connected with immobilizing foundation 1 through described grade for tower 2,
The described steel strand wires being arranged on lower floor are to be connected with I type insulator string 3 or the twisted wire of V-type insulator string 4, its two ends respectively with institute
State etc. and to be connected for tower 2.
As it is shown in figure 1, described tower body is by the main material of angle steel 5, the oblique material of angle steel 6 and the vertically disposed angle of material main with described angle steel 5
The frame structure that the horizontal material of steel 7 is cross-linked to form, the main material of described angle steel 5, the oblique material of angle steel 6 and the horizontal material of angle steel 7 pass through gusset plate
Connect.
As shown in Figure 3 and Figure 6, described tower head includes horizontally disposed cross-arm 8, is perpendicular to described cross-arm 8 and is respectively symmetrically setting
Perpendicular support beam 9 in described tower body both sides and the earth wire support 10 being arranged on described cross-arm 8 two ends；
Described perpendicular support beam 9 and cross-arm 8 surround and are shaped as hexagonal tower window；
The left end of described cross-arm 8 is respectively equipped with the I type insulator string 3 being connected with described steel strand wires, the centre of described cross-arm 8 with right-hand member
End is provided with the V-type insulator string 4 being connected with described steel strand wires.
Described grade is arranged on the described model tower two ends being serially connected for tower 2, and it includes being cross-linked by main material, horizontal material and oblique material
The frame structure formed；
Four described main materials become 90 degree of distributions in the horizontal plane, form the hexahedron that top and bottom are rectangle；
Described horizontal material in same level surrounds horizontally disposed rectangle tabula face, and described rectangle tabula face will
Described grade is divided into four layers for tower 2.
As it is shown on figure 3, described I type insulator string 3 includes being concatenated by otic placode 11, insulator chain 12, connecting plate 13 and link plate 14
Insulator chain assembly；
Described insulator is inverted umbrella-shaped structure；Its upper end is provided with fixing groove, and lower end is provided with plush copper；Described fixing groove and plush copper
Cooperate.
As shown in Figure 4 and Figure 5, described otic placode 11 two ends are respectively provided with groove, and the fluting direction of described groove is mutually perpendicular to, institute
State groove two side and be respectively equipped with through hole along same level line direction；Described groove by connector respectively with described insulator chain 12
Upper end is connected with cross-arm 8；
Described connecting plate 13 is respectively arranged at two ends with the fixed plate being connected with described insulator chain 12 lower end and link plate 14.
As shown in Figure 6, described V-type insulator string 4 includes hanging down yoke plate 15 and V-shaped being distributed in described vertical yoke plate 15
On suspension string；
Described vertical yoke plate 15 is provided with the suspension clamp 16 being distributed along same even circumferential；
Described suspension string is provided with composite insulator string 17, and described suspension string one end is connected, separately with described steel strand wires connector
One end is connected with rotating shaft with described vertical yoke plate 15.
As it is shown in fig. 7, described immobilizing foundation 1 includes being separately positioned on the basic table top 18 of upper, middle and lower layer, vibration component and fixing
Base；
Described basis table top 18 longitudinal section be inverted isosceles trapezoid, its upper surface be provided with connection described model tower or etc. for tower 2
Foundation bolt；
Described vibration component is included in horizontal direction and along the most evenly distributed excitor 19 and is arranged on described excitor 19 and base
Exciting vibration spring 20 between plinth table top 18；
Described firm banking includes rectangle base plate 21 and is arranged on the damping spring 22 on the upside of described rectangle base plate.
Described grade is corrosion resisting alloy steel for tower 2；Described corrosion resisting alloy steel include following component by mass percentage
Constitute:
Carbon: 0.05%, chromium: 18%, nickel: 20%, molybdenum: 5.3%, copper: 2.2%, silicon: 2, manganese: 2, nitrogen: 0.2,
Rare earth: 0.3, surplus is ferrum.
The using method of seismographic station assay device, described method comprises the steps:
The first step, designs and processes 3 model towers and 2 etc. for tower according to requirement of experiment；
Second step, determine centre-to-centre spacing and the model tower centre-to-centre spacing of immobilizing foundation 1 according to the span of requirement of experiment after, by described mould
Type tower is anchored on three described immobilizing foundations 1 respectively；
3rd step, according to actual design situation by hinged with described model tower to I type insulator string 3 or V-type insulator string 4 or rigidity
Connect；
4th step, is anchored at described model tower both sides by grade for tower 2 and is connected with described immobilizing foundation 1, at described model tower top
End arranges the steel strand wires that two ends are connected respectively with described immobilizing foundation 1；The length of described steel strand wires determines according to the experiment likelihood ratio
Span and vertical arc determine；
5th step, uses steel strand wires to connect the described I type insulator string 3 or V-type insulator string 4, institute being arranged on described model tower
State steel strand wires two ends to be connected for tower 2 with described grade respectively.
Above example is only in order to illustrate that technical scheme is not intended to limit, although with reference to above-described embodiment to the present invention
Be described in detail, those of ordinary skill in the field still the detailed description of the invention of the present invention can be modified or
Person's equivalent, and these are without departing from any amendment of spirit and scope of the invention or equivalent, it all awaits the reply in application
Within the claim protection model of the present invention.
Claims (10)
1. a seismographic station assay device for Transmission Tower-line System, described Transmission Tower-line System include by the tower body being vertically arranged,
The model tower of the tower head composition of described tower body upper end edge horizontally set, described seismographic station assay device includes parallel with described model tower
The grade arranged is for tower (2) and is arranged on the immobilizing foundation (1) for tower (2) lower end such as described, it is characterised in that:
Described model tower is three or more than three, and each described model tower is by being separately positioned on the two-layer steel strand wires phase on its top
Even；
The described steel strand wires being arranged on upper strata are connected with immobilizing foundation (1) through described grade for tower (2),
The described steel strand wires being arranged on lower floor are to be connected with I type insulator string (3) or the twisted wire of V-type insulator string (4), and its two ends are divided
It is not connected for tower (2) with described grade.
2. seismographic station as claimed in claim 1 assay device, it is characterised in that described tower body be by the main material of angle steel (5),
The frame structure that the oblique material of angle steel (6) and material main with the described angle steel horizontal material of (5) vertically disposed angle steel (7) are cross-linked to form,
The main material of described angle steel (5), the oblique material of angle steel (6) and the horizontal material of angle steel (7) are connected by gusset plate.
3. seismographic station as claimed in claim 2 assay device, it is characterised in that
Described tower head includes horizontally disposed cross-arm (8), is perpendicular to described cross-arm (8) and is symmetrically arranged at described tower body two
The perpendicular support beam (9) of side and be arranged on the earth wire support (10) at described cross-arm (8) two ends；
Described perpendicular support beam (9) and cross-arm (8) surround and are shaped as hexagonal tower window；
The left end of described cross-arm (8) is respectively equipped with I type insulator string (3) being connected with described steel strand wires, described cross-arm (8) with right-hand member
Intermediate ends be provided with the V-type insulator string (4) being connected with described steel strand wires.
4. seismographic station as claimed in claim 3 assay device, it is characterised in that
Described grade is arranged on the described model tower two ends being serially connected for tower (2), and it includes by main material, horizontal material and oblique material staggered even
Connect the frame structure of formation；
Four described main materials become 90 degree of distributions in the horizontal plane, form the hexahedron that top and bottom are rectangle；
Described horizontal material in same level surrounds horizontally disposed rectangle tabula face, and described rectangle tabula face will
Described grade is divided into four layers for tower (2).
5. seismographic station as claimed in claim 3 assay device, it is characterised in that described I type insulator string (3) includes by ear
Plate (11), insulator chain (12), connecting plate (13) and the insulator chain assembly of link plate (14) concatenation；
Described insulator is inverted umbrella-shaped structure；Its upper end is provided with fixing groove, and lower end is provided with plush copper；Described fixing groove and plush copper
Cooperate.
6. seismographic station as claimed in claim 5 assay device, it is characterised in that
Described otic placode (11) two ends are respectively provided with groove, and the fluting direction of described groove is mutually perpendicular to, edge, described groove two side
Same level line direction is respectively equipped with through hole；Described groove by connector respectively with described insulator chain (12) upper end and cross-arm
(8) it is connected；
Described connecting plate (13) is respectively arranged at two ends with the fixed plate being connected with described insulator chain (12) lower end and link plate (14).
7. seismographic station as claimed in claim 3 assay device, it is characterised in that described V-type insulator string (4) includes the connection that hangs down
Plate (15) and the V-shaped suspension string being distributed on described vertical yoke plate (15)；
Described vertical yoke plate (15) is provided with the suspension clamp (16) being distributed along same even circumferential；
Described suspension string is provided with composite insulator string (17), and described suspension string one end is connected with described steel strand wires connector,
The other end is connected with rotating shaft with described vertical yoke plate (15).
8. seismographic station as claimed in claim 3 assay device, it is characterised in that described immobilizing foundation (1) includes setting respectively
Put basic table top (18), vibration component and firm banking at upper, middle and lower layer；
Described basis table top (18) longitudinal section be inverted isosceles trapezoid, its upper surface be provided with connection described model tower or etc. generation
The foundation bolt of tower (2)；
Described vibration component is included in horizontal direction and along the most evenly distributed excitor (19) and is arranged on described excitor (19)
And the exciting vibration spring (20) between basis table top (18)；
Described firm banking includes rectangle base plate (21) and is arranged on the damping spring (22) on the upside of described rectangle base plate.
9. seismographic station as claimed in claim 1 assay device, it is characterised in that described grade is corrosion resisting alloy for tower (2)
Steel；Described corrosion resisting alloy steel include that following component by mass percentage is constituted:
Carbon: 0.05%, chromium: 18%, nickel: 20%, molybdenum: 5.3%, copper: 2.2%, silicon: 2, manganese: 2, nitrogen: 0.2,
Rare earth: 0.3, surplus is ferrum.
10. the using method of the seismographic station assay device as described in claim 1-9, it is characterised in that described method includes as follows
Step:
The first step, designs and processes 3 model towers and 2 etc. for tower according to requirement of experiment；
Second step, determine centre-to-centre spacing and the model tower centre-to-centre spacing of immobilizing foundation (1) according to the span of requirement of experiment after, by described
Model tower is anchored on three described immobilizing foundations (1) respectively；
3rd step, according to actual design situation by hinged to I type insulator string (3) or V-type insulator string (4) and described model tower or
Person is rigidly connected；
4th step, will etc. be anchored at described model tower both sides for tower (2) and be connected with described immobilizing foundation (1), at described mould
Type tower top end arranges the steel strand wires that two ends are connected respectively with described immobilizing foundation (1)；The length of described steel strand wires is similar according to experiment
Determine than the span determined and vertical arc；
5th step, uses steel strand wires to connect described I type insulator string (3) or V-type insulator string (4) being arranged on described model tower,
Described steel strand wires two ends are connected for tower (2) with described grade respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610244539.0A CN105910782B (en) | 2016-04-18 | 2016-04-18 | A kind of seismographic station experimental rig of Transmission Tower-line System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610244539.0A CN105910782B (en) | 2016-04-18 | 2016-04-18 | A kind of seismographic station experimental rig of Transmission Tower-line System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105910782A true CN105910782A (en) | 2016-08-31 |
| CN105910782B CN105910782B (en) | 2019-08-16 |
Family
ID=56747550
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610244539.0A Active CN105910782B (en) | 2016-04-18 | 2016-04-18 | A kind of seismographic station experimental rig of Transmission Tower-line System |
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Cited By (1)
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| CN108871718A (en) * | 2018-05-18 | 2018-11-23 | 云南电网有限责任公司电力科学研究院 | A kind of shared shaft tower vibration mechine |
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| CN108871718A (en) * | 2018-05-18 | 2018-11-23 | 云南电网有限责任公司电力科学研究院 | A kind of shared shaft tower vibration mechine |
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| Publication number | Publication date |
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| CN105910782B (en) | 2019-08-16 |
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