CN103032631B - Iced conductor supporting device - Google Patents

Iced conductor supporting device Download PDF

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Publication number
CN103032631B
CN103032631B CN201210556786.6A CN201210556786A CN103032631B CN 103032631 B CN103032631 B CN 103032631B CN 201210556786 A CN201210556786 A CN 201210556786A CN 103032631 B CN103032631 B CN 103032631B
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China
Prior art keywords
chuck
hole
circular
clip slot
support device
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CN201210556786.6A
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Chinese (zh)
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CN103032631A (en
Inventor
李新民
牛海军
刘彬
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses an iced conductor supporting device, which comprises a chuck and a pedestal, wherein the middle part of the chuck is provided with a circular clamping groove; an opening of the chuck faces upwards; the bottom of the circular clamping groove is provided with a through hole which is coaxial with the circular clamping groove; a bolt penetrates through the through hole to be in threaded connection with the pedestal; a space is formed between the chuck and the pedestal; a spring is arranged in the space; a circular groove is coaxially formed in a face of the chuck opposite to the pedestal; two end faces of the spring are arranged in the circular groove; and two ends of the spring are inserted into plug holes in the edge of the circular groove, which are arranged in a staggering manner, respectively. The iced conductor supporting device is used as a wind tunnel test supporting device for simulating torsional rigidity of an iced conductor and is simple and practical.

Description

A kind of ice coating wire support device
Technical field
The present invention relates to a kind of transmission pressure support device, particularly relate to a kind of wind tunnel test for simulation ice-coating wire torsional stiffness test support device.
Background technique
Wire icing characteristic affects the key factor that conductor galloping excites, the eccentric icing characteristic of current research wire mainly passes through research technique, at present, for supporting the device of ice coating wire test, only can detect waving of wire degrees of freedom, such as application number is 201220105343.0, name is called that a kind of ice coating wire waves the Chinese utility model patent of simulator, this device is by framework, cross bar, Vertical Spring, connecting rod, crossed strip, ice coating wire, adpting flange be connected quarter butt form, framework is be fixedly connected with by the aluminium alloy extrusions of 12 rectangular cross-sections the square body framework formed, four Vertical Springs are hung in framework and lower end is fixed with connecting rod respectively by cross bar, ice coating wire is made up of former wire and the icing be enclosed within former wire, adpting flange is two groups and is arranged at the two ends of former wire respectively, an aperture point is made a call to as angle change mark every 10 ° in the exterior edge face of one of them flange plate in top ± 50 °, connect quarter butt one end to be threaded with two flange plate, the other end is provided with to be linked up with and is hooked on the crossed strip of framework side frame, this device only can simulation ice-coating wire be multivariant waves, the impact of ice coating wire on conductor galloping of different torsional stiffness cannot be simulated, limit carrying out in a deep going way of conductor galloping and study on prevention work thereof.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of wind tunnel test for simulation ice-coating wire torsional stiffness test support device.
Concrete scheme of the present invention is:
A kind of ice coating wire support device, comprise chuck and base, circular clip slot is provided with in the middle part of described chuck, its opening upwards, the through hole with described circular clip slot concentric is provided with bottom described circular clip slot, bolt is spirally connected through described through hole and described base, spacing is had between described chuck and described base, spring is provided with in described spacing, in the middle part of described chuck and described base opposing side, concentric is provided with circular groove, the both ends of the surface of described spring are arranged in described circular groove, and the two ends of described spring are inserted in the jack that is staggered and is arranged on described circular groove edge respectively.
Further, bearing is provided with between described through hole and described bolt.
Further, described chuck is connected with described base coaxial line, and described jack is equal to the distance of described axis.
Further, be provided with holding space between described circular clip slot and described through hole, described circular clip slot, holding space, through hole from top to bottom diameter reduce successively.
Further, described chuck comprises chuck I and chuck II, described chuck I goes to upper and lower two-stage step, the sidewall of described chuck I upper step is provided with the semi-circular recesses with its axis being parallel, described chuck I lower step is provided with the through hole with described semi-circular recesses concentric, described chuck II is provided with second half circular groove relative with described chuck I, described two semicircular connected in star is combined to form circular clip slot, and described chuck I and chuck II are by being connected with the bolt thread of described circular clip slot axes normal.
Further, described base is boss-shaped, and the middle part of described boss lug boss is provided with bolt hole, and the platform of described boss bottom is provided with the fastening through-hole with described bolt hole axis being parallel.
Further, also comprise support tube, described chuck and described base opposing side are respectively equipped with the jack of concentric, and described support tube two ends are positioned over described jack internal fixtion respectively.
Further, described chuck I upper step is identical with the length of described chuck I lower step, and described chuck II and described chuck I upper step are mirror image.
Further, the semi-circular recesses of described chuck I and the semi-circular recesses top of described chuck II are respectively equipped with V-arrangement boss.
Adopt technique scheme, technique effect of the present invention has:
The present invention is fixed with spring between chuck and base, when chuck rotates around bolt, drive spring reverses, thus the torsional stiffness of wire is drawn by the torque arithmetic of spring, and by changing the spring of different torsional stiffness, realize, to the test of the Aerodynamic parameter wind tunnel simulation test in different torsional stiffness change support situation, studying Aerodynamic parameter Changing Pattern that is single when span changes, multiple fission conductor.
Chuck provided by the invention is bolted by chuck I and chuck II, bolt is by controlling the connection distance between chuck I and chuck II, the ice coating wire be opposite in chuck I and chuck II carries out fastening, the present invention is provided with V-arrangement boss at the top of chuck I and chuck II opening, chuck I and chuck II to be contacted by face ice coating wire and are improved to linear contact lay, make chuck to ice coating wire connect more fastening.
The present invention is provided with support tube between chuck and base, for fixed chuck, does not make it rotate, thus under the impact not considering wire torsional stiffness, can carry out Aerodynamic parameter wind tunnel simulation testing experiment to ice coating wire.
The present invention is provided with circular groove at chuck and base opposing side, and the end face of spring is arranged in circular groove, the mobile space of circular groove restraining spring, prevents the displacement of spring occurred level, makes the more fastening of spring fitting.
Accompanying drawing explanation
Fig. 1 is the structural representation of ice coating wire support device provided by the invention;
Fig. 2 is the front view of base provided by the invention;
Fig. 3 is the plan view of base provided by the invention;
Fig. 4 is the front view of chuck I provided by the invention;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the plan view of Fig. 4;
Fig. 7 is the front view of chuck II provided by the invention;
Fig. 8 is the side view of Fig. 7;
Fig. 9 is the plan view of Fig. 7.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, a kind of ice coating wire support device, comprise chuck 1 and base 2, circular clip slot 3 is provided with in the middle part of described chuck 1, its opening upwards, for clamping ice coating wire, the through hole 4 with described circular clip slot 3 concentric is provided with bottom described circular clip slot 3, holding space 9 is provided with between circular clip slot 3 and through hole 4, described circular clip slot 3, holding space 9, through hole 4 concentric are arranged, from top to bottom be communicated with successively, and diameter reduces successively, make the jointing place between circular clip slot 3, holding space 9, through hole 4 form step, bolt 5 is spirally connected with described base 2 through described through hole 4, the nut of bolt 5 one end is positioned in holding space 9, and be connected on step that holding space 9 and through hole 4 formed, bearing 8 is provided with between through hole 4 and bolt 5, bearing 8 reduce chuck 1 with bolt 5 for axle rotate time, the surface friction drag produced, described chuck 1 is connected by bolt 5 concentric with described base 2, spacing is had between chuck 1 and base 2, spring 6 is provided with in spacing, the circular groove of concentric is respectively equipped with at chuck 1 and the middle part of base 2 opposing side, be staggered in the edge of two circular grooves and be provided with jack 7, and two jacks 7 are equal to the crow flight distance in through hole 4 axle center, two end faces of spring 6 are separately positioned in two circular grooves, the two ends of spring 6 extend along with its axis being parallel direction, extension part insert circular groove edge be staggered arrange jack 7 internal fixtion, when chuck 1 rotates for axle with bolt 5, due to fixing of base 2, chuck 1 drives one end of spring 6 to rotate, make spring 6 that moment of torsion occur, wire, under the impact of spring 6 elastic resistance, has certain torsional stiffness, the torsional stiffness of wire can be calculated by the moment of torsion of known spring 6, again by changing the spring 6 of different torsional stiffness, wire is made to have different torsional stiffnesies, thus the test that the ice coating wire realizing the different torsional stiffness of simulation affects conductor galloping.
The present invention also comprises support tube 10, the jack of concentric is respectively equipped with at described chuck 1 and described base 2 opposing side, jack can be multiple, described support tube 10 two ends are positioned over described jack internal fixtion respectively, chuck 1 and base 2 are fixed by support tube 10, chuck 1 cannot be rotated, thus under the impact not considering wire torsional stiffness, Aerodynamic parameter wind tunnel simulation testing experiment can be carried out to ice coating wire.
As shown in Figures 2 and 3, described base 2 is in boss-shaped, the middle part of described boss lug boss is provided with circular groove, for fixing spring 6, the bolt hole 21 with its concentric is provided with in the middle part of circular groove, bolt hole 21 and described bolt 5 are spirally connected, chuck 1 is connected with base 2, at the edge of circular groove, the side of bolt hole 21 is provided with jack 7, for one end of fixing spring 6, the fastening through-hole 22 with described bolt hole 21 axis being parallel is provided with at the platform of described boss bottom, fastening through-hole 22 is set to 4, and that to be all arranged on bolt hole 21 be the center of circle is circumferentially same, for base 2 is fixed on testing apparatus.
As Fig. 4, Fig. 5, shown in Fig. 6, described chuck 1 comprises chuck I11 and chuck II12, described chuck I11 presents, lower two-stage is step-like, face toward in the described chuck I11 upper step side of step is provided with the semi-circular recesses 13 with its axis being parallel, semi-circular recesses 13 open top is provided with V-arrangement boss 14, described chuck I11 lower step is provided with and the holding space 9 of described semi-circular recesses 13 concentric and through hole 4, semi-circular recesses 13, holding space 9 is from top to bottom communicated with successively with through hole 4, and diameter reduces successively, make semi-circular recesses 13, jointing place between holding space 9 and through hole 4 forms step, the bolt hole with semi-circular recesses 13 axes normal is provided with in the both sides of semi-circular recesses 13, for being spirally connected fixing with the bolt of connecting clip II12, opening below described through hole 4, the bottom of chuck I11 is provided with the circular groove with through hole 4 concentric, for an end face of fixing spring 6, jack 7 is provided with at the edge of circular groove, for one end of fixing spring 6.
As Fig. 7, shown in Fig. 8 and Fig. 9, described chuck II12 and described chuck I11 upper step are mirror image, and described chuck I11 upper step is identical with the length of described chuck I11 lower step, namely after described chuck II12 and described chuck I11 upper step are spirally connected, make the integral structure of chuck 1, chuck II12 is provided with second half circular groove 15 towards the side of described chuck I11 upper step, V-arrangement boss 14 is provided with at the top of this semi-circular recesses 15, the two semicircular connected in star that described chuck II12 and described chuck I11 is oppositely arranged is combined to form circular clip slot 3, and two V-arrangement boss 14 be oppositely arranged are combined to form the opening of rectangle, for being fixed ice coating wire, the bolt hole with described semi-circular recesses 15 axes normal is provided with in semi-circular recesses 15 both sides of chuck II12, this bolt hole is corresponding with the vertically disposed bolt hole of chuck I11, bolt is each passed through two bolts hole and is spirally connected by chuck I11 and chuck II12, the connection distance of chuck I11 and chuck II12 is regulated by rotating bolt, thus control the diameter of the circular groove that two semicircular connected in star is combined to form, make it can fix the ice coating wire of different-diameter.
Finally should be noted that: above embodiment is only in order to illustrate that technological scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.

Claims (7)

1. an ice coating wire support device, it is characterized in that: comprise chuck (1) and base (2), described chuck (1) middle part is provided with circular clip slot (3), its opening upwards, described circular clip slot (3) bottom is provided with the through hole (4) with described circular clip slot (3) concentric, bolt (5) is spirally connected through described through hole (4) and described base (2), spacing is had between described chuck (1) and described base (2), spring (6) is provided with in described spacing, in the middle part of described chuck (1) and described base (2) opposing side, concentric is provided with circular groove, the both ends of the surface of described spring are arranged in described circular groove, and the two ends of described spring (6) are inserted in respectively to be staggered and are arranged in the jack (7) at described circular groove edge,
Bearing (8) is provided with between described through hole (4) and described bolt (5),
Described chuck (1) is connected with described base (2) coaxial line, and described jack (7) is equal to the distance of described axis.
2. support device as claimed in claim 1, it is characterized in that: be provided with holding space (9) between described circular clip slot (3) and described through hole (4), described circular clip slot (3), holding space (9), through hole (4) from top to bottom diameter reduce successively.
3. support device as claimed in claim 1, it is characterized in that: described chuck (1) comprises chuck I (11) and chuck II (12), described chuck I (11) is presented, lower two-stage step, the sidewall of described chuck I (11) upper step is provided with and the semi-circular recesses of its axis being parallel (13), described chuck I (11) lower step is provided with the through hole (4) with described semi-circular recesses (13) concentric, described chuck II (12) is provided with second half circular groove (15) relative with described chuck I (11), described two semicircular connected in star is combined to form circular clip slot (3), described chuck I (11) and chuck II (12) are by being connected with the bolt thread of described circular clip slot (3) axes normal.
4. support device as claimed in claim 1, it is characterized in that: described base (2) is in boss-shaped, the middle part of described boss lug boss is provided with bolt hole (21), and the platform of described boss bottom is provided with the fastening through-hole (22) with described bolt hole axis being parallel.
5. support device as claimed in claim 1, it is characterized in that: also comprise support tube (10), described chuck (1) and described base (2) opposing side are respectively equipped with the jack of concentric, and described support tube (10) two ends are positioned over the jack internal fixtion of opposing side concentric respectively.
6. support device as claimed in claim 3, it is characterized in that: described chuck I (11) upper step is identical with the length of described chuck I (11) lower step, described chuck II (12) and described chuck I (11) upper step are mirror image.
7. support device as claimed in claim 3, is characterized in that: the semi-circular recesses of described chuck I (11) and the semi-circular recesses top of described chuck II (12) are respectively equipped with V-arrangement boss (14).
CN201210556786.6A 2012-12-20 2012-12-20 Iced conductor supporting device Active CN103032631B (en)

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CN103032631B true CN103032631B (en) 2014-12-17

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Publication number Priority date Publication date Assignee Title
CN103296498B (en) * 2013-05-17 2017-02-01 国家电网公司 Conductor connecting device by aid of spring
CN109975112A (en) * 2019-04-04 2019-07-05 北京工业大学 A kind of more sized nanostructures impression sample tables and related experimental methods
CN111762451A (en) * 2020-07-01 2020-10-13 佛山市拓瑞包装制品有限公司 Wine packaging device and assembling method thereof

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SU576375A1 (en) * 1976-04-05 1977-10-15 Украинский Государственный Проектно-Изыскательский И Научно-Исследовательский Институт "Укргипроводхоз" Y.i.shevchenko's mast for power transmission lines
CN2742427Y (en) * 2004-11-03 2005-11-23 上海大学 Adhesive strength tester for wood adhesive
KR20060069396A (en) * 2006-05-25 2006-06-21 (주) 현대테크 Examination apparatus for printed circuit board
JP5238328B2 (en) * 2008-04-01 2013-07-17 イワブチ株式会社 Synthetic resin material for earth wire inlet of concrete utility pole
CN201547399U (en) * 2009-10-21 2010-08-11 宝山钢铁股份有限公司 Pipe shock absorption support
CN201885922U (en) * 2010-11-15 2011-06-29 北京航天计量测试技术研究所 Flexible suspension deflection sensor
CN202582715U (en) * 2012-03-20 2012-12-05 天津理工大学 Icing lead galloping analogue means
CN203162342U (en) * 2012-12-20 2013-08-28 中国电力科学研究院 Iced wire supporting device

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