CN103996513B - Converter power transformer towing pad device - Google Patents
Converter power transformer towing pad device Download PDFInfo
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- CN103996513B CN103996513B CN201410204217.4A CN201410204217A CN103996513B CN 103996513 B CN103996513 B CN 103996513B CN 201410204217 A CN201410204217 A CN 201410204217A CN 103996513 B CN103996513 B CN 103996513B
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- towing pad
- towing
- power transformer
- drawing bar
- converter power
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Abstract
A kind of converter power transformer towing pad device, first towing pad and second towing pad of circle are set on pile framing top, first towing pad diameter is less than the second towing pad diameter, and the second towing pad is blank layer in the one end contacted with the first towing pad, can be placed in blank layer by drawing bar；Because the length of drawing bar is more than the first towing pad diameter, less than the second towing pad diameter, so drawing bar does not falls out the first towing pad；During carrying converter power transformer, pull rope lying in drawing bar, drawing bar horizontal direction can rotate in blank layer, beneficially pull rope adjustment direction in the horizontal direction and angle；Also the first towing pad will not be drawn out when drawing bar is by the power of vertical direction, be conducive to pull strength in adjustment both vertically and horizontally, make the concrete uniform-compression of pile framing, the layout of converter power transformer towing pad is more flexible, power transmission is the most reasonable, do not have because pull strength is the most relatively concentrated, and cause the situation that local pressure break is destroyed at the first towing pad.
Description
Technical field
The invention belongs to the reverse flow technique field of current conversion station converter power transformer, particularly relate to a kind of change of current transformation
Device towing pad device.
Background technology
Converter power transformer is vital key equipment in super high voltage direct current electricity transmission engineering, is that AC and DC is defeated
The change of current in electricity system, the nucleus equipment of inversion two end interface, input and the safe operation of converter power transformer are
Engineering obtains key and the important guarantee of power benefit.
At present, the converter power transformer in each electric pressure current conversion station, owing to own wt is relatively big, typically at station
Inside it is respectively provided with straight carrying track, during installing, overhauling, converter power transformer is carried out rectilinear translation
Move.The power of movement is mainly provided by pull rope by movable hoist engine, by very heavy during equipment fine setting
Top provides；Pull rope is the armored concrete hole being fixed on ground, is wound around hoist engine offer by inserting rod iron
Traction.Generally, converter power transformer is conducted oneself with dignity by mass foundation and the level of soil layer in the range of buried depth
Bedding counter-force provides vertical and horizontal resist forces, and the rod iron inserted with the square hole being arranged in the middle part of basis is wound around
Hoist engine rope provides the change of current to become and moves horizontally and turn to required pull strength.At towing pad local pressure collection
Middle place, have employed the method increasing steel reinforcing；Rod iron is inserted perpendicularly into winding hoist engine work.Or adopt
The mode coordinating mass foundation with fixed U-loop provides pull strength.
But, the mode of mass foundation is at pull strength local pressure concentration, because unbalance stress, easily
Form the local pressure break at towing pad to destroy.
Summary of the invention
Based on this, it is necessary to easily formed at towing pad at pull strength local pressure concentration for prior art
The problem destroyed of local pressure break a kind of converter power transformer towing pad device is provided.
A kind of converter power transformer towing pad device, is arranged at pile framing, including the first towing pad, the second traction
Hole and drawing bar；Described first towing pad is arranged at described pile framing top, described second towing pad and first
Towing pad is coaxially disposed in described pile framing top；Described first towing pad diameter is less than described second towing pad
Diameter, and described first towing pad and the second towing pad are all and horizontal plane, described first towing pad and the
Two towing pads form " convex " type hole；One end of described second towing pad and the contact of the first towing pad is arranged to leakage
Dead level, described drawing bar is arranged in described blank layer, and the length of described drawing bar is more than the first towing pad
Diameter, less than the second towing pad diameter.
Wherein in an embodiment, also include that towing plate, described towing plate are arranged at described pile framing top,
And described towing plate is ringwise, described first towing pad is arranged in the middle part of described towing plate.
Wherein in an embodiment, the thickness of described towing plate is more than 20 millimeters.
Wherein in an embodiment, described blank layer axial height is 150～350 millimeters.
Wherein in an embodiment, a diameter of 200 millimeters of described first towing pad, described second towing pad
A diameter of 400 millimeters.
Wherein in an embodiment, described drawing bar is not less than with the yield limit value of towing plate material
235MPa。
Wherein in an embodiment, described drawing bar is galvanized steel with the material of towing plate.
Above-mentioned converter power transformer towing pad device, arranges first towing pad and second of circle on pile framing top
Towing pad so that the first towing pad diameter is less than the second towing pad diameter, and by the second towing pad with first
One end of towing pad contact is arranged to blank layer, can be arranged in blank layer by drawing bar；Length because of drawing bar
Degree is more than the first towing pad diameter, less than the second towing pad diameter, so drawing bar does not falls out the first traction
Hole；When to converter power transformer transport and carrying, pull rope is lain in drawing bar, and pull rope stretches out in the
One towing pad, drawing bar horizontal direction can rotate in blank layer, and beneficially pull rope adjusts in the horizontal direction
Direction and angle；And drawing bar is arranged in blank layer, also will not when drawing bar is by the power of vertical direction
It is drawn out the first towing pad, beneficially pull strength in adjustment both vertically and horizontally, makes pile framing
Concrete uniform-compression, the layout of converter power transformer towing pad is more flexible, and power transmission is evenly reasonable, will not go out
Now the most relatively concentrate because of pull strength, and cause the situation that local pressure break is destroyed at the first towing pad.
Accompanying drawing explanation
Fig. 1 is this converter power transformer towing pad device one viewing angle constructions schematic diagram；
Fig. 2 is another viewing angle constructions schematic diagram of this converter power transformer towing pad device.
Description of reference numerals:
100. converter power transformer towing pad devices, 110. pile framings, 112. first towing pads, 114. second
Towing pad, 116. drawing bars, 118. blank layers, 119. towing plates, 120. pull ropes, 130. lubrication moulds
Block.
Detailed description of the invention
As it is shown in figure 1, a kind of converter power transformer towing pad device 100, it is arranged at pile framing 110, including
First towing pad the 112, second towing pad 114 and drawing bar 116；First towing pad 112 is arranged at pile
Platform 110 top, the second towing pad 114 and the first towing pad 112 are coaxially disposed in pile framing 110 top；
First towing pad 112 diameter is less than the second towing pad 114 diameter, and the first towing pad 112 and the second traction
All and horizontal plane, the first towing pad 112 and the second towing pad 114 form " convex " type hole for hole 114；
One end that second towing pad 114 contacts with the first towing pad 112 is arranged to blank layer 118, drawing bar 116
It is arranged in blank layer 118, and the length of drawing bar 116 is more than the first towing pad 112 diameter, less than the
Two towing pad 114 diameters.
Above-mentioned converter power transformer towing pad device 100, arranges the first traction of circle on pile framing 110 top
Hole 112 and the second towing pad 114 so that the first towing pad 112 diameter is less than the second towing pad 114 diameter,
And the second towing pad 114 is arranged to blank layer 118 in the one end contacted with the first towing pad 112, can be by
Drawing bar 116 is arranged in blank layer 118；Because the length of drawing bar 116 is straight more than the first towing pad 112
Footpath, less than the second towing pad 114 diameter, so drawing bar 116 does not falls out the first towing pad 112；?
During to converter power transformer transport and carrying, pull rope 120 is lain in drawing bar 116, and pull rope 120 is stretched
For the first towing pad 112, drawing bar 116 horizontal direction can rotate in blank layer 118, be conducive to leading
Messenger 120 adjustment direction in the horizontal direction and angle, make converter power transformer realize universal stress；And drawing bar
116 are arranged in blank layer 118, also will not be drawn out when drawing bar 116 is by the power of vertical direction
One towing pad 112, beneficially pull strength, in adjustment both vertically and horizontally, make pile framing 110
Concrete uniform-compression, the layout of converter power transformer towing pad is more flexible, and power transmission is evenly reasonable, will not go out
Now the most relatively concentrate because of pull strength, and cause the situation that local pressure break is destroyed at the first towing pad 112.
As in figure 2 it is shown, wherein in an embodiment, also include that towing plate 119, towing plate 119 are arranged
In pile framing 110 top, and towing plate 119 is ringwise, and the first towing pad 112 is arranged at towing plate 119
Middle part.Towing plate 119 is set on pile framing 110 top, the first towing pad 112 on pile framing 110 can be facilitated
With the setting of the second towing pad 114, after fixing reinforcing bar, the perfusion of concrete is more convenient, simplifies
Mounting process；Towing plate 119 is arranged to annular, can be easy to uniform pull strength, makes the first towing pad 112 be subject to
Power is the most reasonable, it is to avoid occurs that pull strength concentrates on somewhere, and causes the first towing pad 112 at pull strength
The situation that at concentration, pressure break is destroyed.
Wherein in an embodiment, the thickness of towing plate 119 is more than 20 millimeters.Pull strength acts on and leads
When drawing excellent 116, towing plate 119 can be by bigger pull strength, and the thickness of towing plate 119 is more than 20 millis
Rice can bear the bigger stress of towing pad, to ensure the safety of towing plate 119.
Wherein in an embodiment, blank layer 118 axial height is 150～350 millimeters.Drawing bar 116
Bearing bigger pull strength, need to reach certain intensity, then, drawing bar 116 also can the most relatively
Slightly；The axial height of 150～350 millimeters meet drawing bar 116 be placed in the requirement in blank layer 118 it
Outward, it is also ensured that drawing bar 116 can rotate in blank layer 118 freely, to reach the first towing pad 112
The effect of uniform stressed.
Wherein in an embodiment, a diameter of 200 millimeters of the first towing pad 112, the second towing pad 114
A diameter of 400 millimeters；Meet the first towing pad 112 and be less than the second towing pad 114, make drawing bar 116
It is not drawn out the requirement of the first towing pad 112, meanwhile, a diameter of 400 millimeters of the second towing pad 114,
The length of drawing bar 116 can be between 200～400 millimeters, and can be close to 400 millimeters, at drawing bar 116
When being pulled power, the beneficially first large range of stress bearing drawing bar 116 of towing pad 112, can
Alleviate the phenomenon that the first towing pad 112 local pressure is relatively concentrated, extend the use longevity of the first towing pad 112
Life.
Wherein in an embodiment, drawing bar 116 is not less than with the yield limit value of towing plate 119 material
235MPa.Drawing bar 116 and towing plate 119 are required to bear bigger pull strength, it is therefore desirable to lead
Draw rod 116 and towing plate 119 reaches certain intensity, it is to avoid distraction procedure occurs drawing bar 116 or leads
The situation that corbel back slab 119 ruptures or deforms；Therefore, in the surrender pole of drawing bar 116 with towing plate 119 material
When limit value is not less than 235MPa, required tensile strength can be met.
Wherein in an embodiment, drawing bar 116 is galvanized steel with the material of towing plate 119.Galvanized steel
There is bigger tensile strength, it is ensured that drawing bar 116 and towing plate 119 are constant during being towed power
Shape or rupture；Meanwhile, there is preferable corrosion resistance, its service life can be extended.
Wherein in an embodiment, the first towing pad 112 outer rim in pile framing 110 upper surface also sets up
There is lubrication module 130, lie in drawing bar 116 at pull rope 120, and be pulled the masterpiece used time, leading
When messenger 120 is less than a certain value with horizontal plane angle, pull rope 120 can be by the first towing pad 112 outer rim
Friction, lubrication module 130 can reduce pull rope 120 and the friction of the first towing pad 112 outer rim, thus
The service life of pull rope 120 can be improved.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed
Carefully, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this
For the those of ordinary skill in field, without departing from the inventive concept of the premise, it is also possible to make some changes
Shape and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with
Claims are as the criterion.
Claims (7)
1. a converter power transformer towing pad device, is arranged at pile framing, it is characterised in that include that first leads
Draw hole, the second towing pad and drawing bar；Described first towing pad is arranged at described pile framing top, and described
Two towing pads and the first towing pad are coaxially disposed in described pile framing top；Described first towing pad diameter is less than
Described second towing pad diameter, and described first towing pad and the second towing pad are all and horizontal plane, described
First towing pad and the second towing pad form " convex " type hole；Described second towing pad and the contact of the first towing pad
One end be arranged to blank layer, described drawing bar is arranged in described blank layer, and the length of described drawing bar
More than the first towing pad diameter, less than the second towing pad diameter.
Converter power transformer towing pad device the most according to claim 1, it is characterised in that also include leading
Corbel back slab, described towing plate is arranged at described pile framing top, and described towing plate is ringwise, and described first leads
Draw hole to be arranged in the middle part of described towing plate.
Converter power transformer towing pad device the most according to claim 2, it is characterised in that described traction
The thickness of plate is more than 20 millimeters.
Converter power transformer towing pad device the most according to claim 1, it is characterised in that described blank
Layer axial height is 150～350 millimeters.
Converter power transformer towing pad device the most according to claim 1, it is characterised in that described first
A diameter of 200 millimeters of towing pad, a diameter of 400 millimeters of described second towing pad.
Converter power transformer towing pad device the most according to claim 2, it is characterised in that described traction
Rod is not less than 235MPa with the yield limit value of towing plate material.
Converter power transformer towing pad device the most according to claim 6, it is characterised in that described traction
Rod is galvanized steel with the material of towing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204217.4A CN103996513B (en) | 2014-05-14 | 2014-05-14 | Converter power transformer towing pad device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204217.4A CN103996513B (en) | 2014-05-14 | 2014-05-14 | Converter power transformer towing pad device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103996513A CN103996513A (en) | 2014-08-20 |
| CN103996513B true CN103996513B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410204217.4A Active CN103996513B (en) | 2014-05-14 | 2014-05-14 | Converter power transformer towing pad device |
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| Country | Link |
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| CN (1) | CN103996513B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810735B (en) * | 2015-04-28 | 2017-04-26 | 中国南方电网有限责任公司超高压输电公司 | Converter station converter transformer stable steering device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2701046Y (en) * | 2004-04-15 | 2005-05-18 | 特变电工衡阳变压器有限公司 | A transformer bushing and lead wire interpenetration assembling device |
| CN201262880Y (en) * | 2008-08-27 | 2009-06-24 | 保定天威集团有限公司 | Support structure for leads press platen on lower valve side of converter transformer |
| CN102543390A (en) * | 2012-02-27 | 2012-07-04 | 中国西电电气股份有限公司 | AC (Alternating Current) 750kV end part outgoing line structure of ultrahigh-voltage converter transformer |
| CN202977160U (en) * | 2012-12-04 | 2013-06-05 | 河南省电力公司鹤壁供电公司 | Electric remote control lead traction apparatus for transformer high-voltage bushing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08138926A (en) * | 1994-11-14 | 1996-05-31 | Nichicon Corp | Converter transformer |
| JP2002164226A (en) * | 2000-11-29 | 2002-06-07 | Kansai Electric Power Co Inc:The | Transformer for transducer |
-
2014
- 2014-05-14 CN CN201410204217.4A patent/CN103996513B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2701046Y (en) * | 2004-04-15 | 2005-05-18 | 特变电工衡阳变压器有限公司 | A transformer bushing and lead wire interpenetration assembling device |
| CN201262880Y (en) * | 2008-08-27 | 2009-06-24 | 保定天威集团有限公司 | Support structure for leads press platen on lower valve side of converter transformer |
| CN102543390A (en) * | 2012-02-27 | 2012-07-04 | 中国西电电气股份有限公司 | AC (Alternating Current) 750kV end part outgoing line structure of ultrahigh-voltage converter transformer |
| CN202977160U (en) * | 2012-12-04 | 2013-06-05 | 河南省电力公司鹤壁供电公司 | Electric remote control lead traction apparatus for transformer high-voltage bushing |
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| Publication number | Publication date |
|---|---|
| CN103996513A (en) | 2014-08-20 |
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| CB02 | Change of applicant information |
Address after: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Applicant after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Applicant before: Guangdong Electric Power Design Institute of CEEC |
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Free format text: CORRECT: APPLICANT; FROM: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE TO: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE CO., LTD. |
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