CN109237165A - The general quick flange device of oiling transformer - Google Patents

The general quick flange device of oiling transformer Download PDF

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Publication number
CN109237165A
CN109237165A CN201811139003.8A CN201811139003A CN109237165A CN 109237165 A CN109237165 A CN 109237165A CN 201811139003 A CN201811139003 A CN 201811139003A CN 109237165 A CN109237165 A CN 109237165A
Authority
CN
China
Prior art keywords
connection hole
hole
flange
oil filling
transition joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811139003.8A
Other languages
Chinese (zh)
Inventor
马勇
张云鹏
陶玉麒
胡星
蔡桂民
陈雷
刘刚
孙春雷
范艳丽
张海涛
毛德超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinyang Power Supply Co of State Grid Henan Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
Xinyang Power Supply Co of State Grid Henan Electric Power Co Ltd
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinyang Power Supply Co of State Grid Henan Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical Xinyang Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority to CN201811139003.8A priority Critical patent/CN109237165A/en
Publication of CN109237165A publication Critical patent/CN109237165A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

本发明提供一种变压器注油通用快速法兰装置，它包括方形法兰盘、注油管道、设置在方形法兰盘上的四个连接孔、安装在方形法兰盘一侧的一对U型抱箍和将一对U型抱箍紧固在方形法兰盘上的固定装置；它还包括一过渡接头，过渡接头上设有管道连接孔，管道连接孔的一端与注油管道连接，另一端与一快速接头阀连接；在过渡接头上还设有紧固装置。固定装置包括设置在U形抱箍上面的螺纹段和配合螺纹段的紧固螺母。紧固装置包括贯穿过渡接头侧壁至管道连接孔的螺纹通孔和配合螺纹通孔的紧固螺钉。本发明结构简单、易于生产，能够适用不同规格的变压器本体法兰，同时也可以与不同的注油设备管道连接。

The invention provides a universal quick flange device for transformer oil filling, which comprises a square flange, an oil filling pipeline, four connecting holes arranged on the square flange, and a pair of U-shaped brackets installed on one side of the square flange. Hoop and a fixing device for fastening a pair of U-shaped hoop on the square flange; it also includes a transition joint, and the transition joint is provided with a pipe connection hole, one end of the pipe connection hole is connected with the oil injection pipe, and the other end is connected with the oil injection pipe. A quick joint valve is connected; a fastening device is also provided on the transition joint. The fixing device includes a threaded section arranged on the U-shaped hoop and a fastening nut matched with the threaded section. The fastening device includes a threaded through hole penetrating the side wall of the transition joint to the pipe connecting hole and a fastening screw matched with the threaded through hole. The invention is simple in structure and easy to produce, can be applied to transformer body flanges of different specifications, and can also be connected with different oil injection equipment pipelines.

Description

The general quick flange device of oiling transformer
Technical field
The present invention relates to oil-immersed power transformer technical fields, and in particular to a kind of general quick flange of oiling transformer Device.
Background technique
Oil-immersed power transformer is most important equipment in substation, and transformer safety stable operation is to power grid to closing weight It wants, transformer is in new clothes, maintenance, maintenance process, it is often necessary to oiling operation, due to transformer body Oil-filling and drainage valve specification The transformer Oil-filling and drainage valve of the ununified standard requirements of shape, different manufacturers different voltages grade is different, leads to transformation , need to be time-consuming and laborious according to transformer oil injection valve specification scene processing and fabricating oiling flange apparatus when device carries out oiling, while also increasing Add transformer power off time, is unfavorable for area electric network safety stabilization operation.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, to provide a kind of general quick flange dress of oiling transformer It sets, which can be suitable for the transformer body oiling flange of different size, and structure is simple, versatile, and concrete scheme is such as Under:
A kind of general quick flange device of oiling transformer, it includes square flange, is mounted on the square flange side Oiling pipeline, be symmetricly set on the square flange four connecting holes, the side is mounted on by the connecting hole The U-shaped anchor ear of a pair of the shape ring flange other side and the fixed dress being fastened on the pair of U-shaped anchor ear on the square flange It sets；It further includes a transit joint, and the transit joint is equipped with the pipeline connecting hole through the transit joint, the pipeline One end of connecting hole is connect with the oiling pipeline, and the other end of the pipeline connecting hole is connect with a quick coupler valve；Institute It states to be additionally provided on transit joint and the oiling pipeline, the quick coupler valve is fixed together with the transit joint respectively Clamp device.
Based on above-mentioned, the fixed device includes the thread segment being arranged in above the U-shaped anchor ear and cooperates the screw thread The fastening nut of section.
Based on above-mentioned, the clamp device include through the transit joint side wall to the pipeline connecting hole screw thread it is logical Hole and the fastening screw for cooperating the tapped through hole.
Based on above-mentioned, four connecting holes are respectively that the first connecting hole, the second connecting hole, third connecting hole and the 4th connect Hole is connect, first connecting hole and second connecting hole are corresponding parallel, the third connecting hole and the 4th connecting hole pair Should be parallel, point-blank, second connecting hole and the described 4th connects for first connecting hole and the third connecting hole Connect hole point-blank.
Based on above-mentioned, one of them U-shaped anchor ear in the pair of U-shaped anchor ear passes through first connecting hole and described the Two connecting holes are fixed on the square flange, another U-shaped anchor ear in the pair of U-shaped anchor ear passes through the third Connecting hole and the 4th connecting hole are fixed on the square flange.
Based on above-mentioned, four connecting holes are strip.
Based on above-mentioned, the transit joint and the oiling pipeline pass through screwed connection.
Based on above-mentioned, the transit joint and the quick coupler valve pass through screwed connection.
The present invention has substantive features and progress compared with the prior art, specifically, the invention has the following advantages that
1, a pair of U-shaped is fixedly mounted by this four connecting holes by opening up four connecting holes on square flange in the present invention Anchor ear, and this four connecting holes are strips, by between the adjustable the pair of U-shaped anchor ear of this structure Spacing distance, by this structure, square flange can be fixedly connected with the oiling transformer flange of various different sizes.
2, the present invention is by the way that one end of transit joint to be connect in the form of screw thread with oiling pipeline, by the another of transit joint End is connect in the form of screw thread with one end of quick coupler valve, and is fastened by clamp device to two junctions, ensure that The stability of connection.
3, the present invention can match the oiling equipment pipe of different size, Jin Erkuo by replacing corresponding quick coupler valve Big versatility of the invention.
Detailed description of the invention
Fig. 1 is overall structure structural schematic diagram of the invention.
Fig. 2 is main view of the invention.
Fig. 3 is right view of the invention.
Fig. 4 is the overall structure diagram of transit joint in the present invention.
Fig. 5 is the cross-sectional view of transit joint in the present invention.
In figure: 1. square flanges；2. the first connecting hole；3. the second connecting hole；4. third connecting hole；5. the 4th Connecting hole；6. U-shaped anchor ear；7. fastening nut；8. oiling pipeline；9. transit joint；10. quick coupler valve；11. heavy Slot；12. fastening screw；13. pipeline connecting hole.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
As shown in Figure 1-Figure 3, the general quick flange device of a kind of oiling transformer, it includes square flange 1, a pair of U Type anchor ear 6, oiling pipeline 8, transit joint 9 and quick coupler valve 10.
The connecting hole there are four strip is opened up on square flange 1, four connecting holes are respectively the first connection Hole 2, the second connecting hole 3, third connecting hole 4 and the 4th connecting hole 5, wherein the first connecting hole 2 is corresponding with the second connecting hole 3 flat Row, third connecting hole 4 and the 4th connecting hole 5 are corresponding parallel, and the first connecting hole 2 and third connecting hole 4 are point-blank, the Two connecting holes 3 and the 4th connecting hole 5 are point-blank.
The end of two columns of the U-shaped anchor ear 6 of each of the pair of U-shaped anchor ear 6 is equipped with one section of screw thread, one of them The thread segment of two columns of U-shaped anchor ear 6 extends through the first connecting hole 2 and the second connecting hole 3 and on the right side of square flange 1 There is one section of extended distance in side, and the thread segment of two columns of another U-shaped anchor ear 6 is each passed through third connecting hole 4 and the 4th and connects It connects hole 5 and has one section of extended distance on the right side of square flange 1；The thread segment of four columns of the pair of U-shaped anchor ear 6 exists The left and right sides of square flange 1 is set with a fastening nut 7, and the pair of U-shaped anchor ear 6 passes through the fastening nut 7 It is fixed on square flange 1, the screw thread above the U-shaped anchor ear and the fastening nut 7 for cooperating the screw thread are to constitute U Type anchor ear 6 is fixed on the fixation device above square flange 1.
8 penetration type of oiling pipeline is mounted on the square flange 1, and the oiling pipeline 8 is in square flange 1 On extended segment be located at the right side of the square flange 1, in the end of extended segment, be equipped with external thread section.
The overall structure of quick coupler valve 10 is pipeline configuration, its one end is equipped with external thread section, and the other end is equipped with quick Clamping apparatus.
Fig. 4 and Fig. 5 respectively illustrates the section view of the overall structure diagram of transit joint 9 and transit joint 9 in the present invention Figure.The outer profile of transit joint 9 be it is cylindric, in the axial centre position of transit joint 9, be equipped with and run through the transit joint 9 Pipeline connecting hole 13；The oiling pipeline 8 is screwed on respectively to the pipeline with the thread segment of the quick coupler valve 10 and connects The one end in hole 13.
To guarantee the stability connected between oiling pipeline 8 and quick coupler valve 10 and transit joint 9, in transit joint 9 On, it is additionally provided with clamp device, i.e., opens up on the side wall of transit joint 9 there are two deep gouge 11, is offered in the bottom of deep gouge 11 It is through to the tapped through hole of the pipeline connecting hole 13, while being equipped with the fastening screw 12 for matching the tapped through hole, by twisting Tight corresponding fastening screw 12, can fasten oiling pipeline 8 with transit joint 9 or quick coupler valve 10 with transit joint 9 Together.
In concrete operations in use, first by the rectangular method in the general quick flange device of oiling transformer provided by the invention Blue disk 1 is bonded with transformer body flange, and guarantees that pouring orifice is aligned, then adjust U-shaped 6 position of anchor ear and by tightening fastening spiral shell The fixed U-shaped anchor ear 6 of mother 7 makes two ring flanges be fixed together, and then passes through the quick clamping apparatus of 10 end of quick coupler valve It is quickly clamped, can be filled with oiling equipment pipe.
When needing the transformer body flange specification of oiling to change, it is only necessary to adjust the U-shaped anchor ear 6 in the present invention Position can re-start fixed use；When oiling equipment pipe specification changes, it is only necessary to replace corresponding quick coupling Valve 10 can continue to use.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.

Claims (8)

1.一种变压器注油通用快速法兰装置，其特征在于：它包括方形法兰盘、安装在所述方形法兰盘一侧的注油管道、对称设置在所述方形法兰盘上的四个连接孔、通过所述连接孔安装在所述方形法兰盘另一侧的一对U型抱箍和将所述一对U型抱箍紧固在所述方形法兰盘上的固定装置；它还包括一过渡接头，所述过渡接头上设有贯穿所述过渡接头的管道连接孔，所述管道连接孔的一端与所述注油管道连接，所述管道连接孔的另一端与一快速接头阀连接；在所述过渡接头上还设有将所述注油管道、所述快速接头阀分别与所述过渡接头固定在一起的紧固装置。1. a general quick flange device for transformer oil filling, is characterized in that: it comprises a square flange, an oil filling pipeline installed on one side of the square flange, four symmetrically arranged on the square flange connecting holes, a pair of U-shaped hoops installed on the other side of the square flange through the connecting holes, and a fixing device for fastening the pair of U-shaped hoops on the square flange; It also includes a transition joint, the transition joint is provided with a pipe connection hole passing through the transition joint, one end of the pipe connection hole is connected with the oil injection pipe, and the other end of the pipe connection hole is connected with a quick joint valve connection; the transition joint is also provided with a fastening device for fixing the oil injection pipeline, the quick joint valve and the transition joint together. 2.根据权利要求1所述的变压器注油通用快速法兰装置，其特征在于：所述固定装置包括设置在所述U形抱箍上面的螺纹段和配合所述螺纹段的紧固螺母。2 . The universal quick flange device for transformer oil filling according to claim 1 , wherein the fixing device comprises a threaded section arranged on the U-shaped hoop and a fastening nut matched with the threaded section. 3 . 3.根据权利要求2所述的变压器注油通用快速法兰装置，其特征在于：所述紧固装置包括贯穿所述过渡接头侧壁至所述管道连接孔的螺纹通孔和配合所述螺纹通孔的紧固螺钉。3 . The universal quick flange device for transformer oil filling according to claim 2 , wherein the fastening device comprises a threaded through hole extending through the side wall of the transition joint to the pipe connecting hole, and a threaded through hole matching with the threaded through hole. 4 . holes for tightening screws. 4.根据权利要求3所述的变压器注油通用快速法兰装置，其特征在于：所述四个连接孔分别为第一连接孔、第二连接孔、第三连接孔和第四连接孔，所述第一连接孔与所述第二连接孔对应平行，所述第三连接孔与所述第四连接孔对应平行，所述第一连接孔与所述第三连接孔在一条直线上，所述第二连接孔与所述第四连接孔在一条直线上。4 . The universal quick flange device for transformer oil filling according to claim 3 , wherein the four connection holes are the first connection hole, the second connection hole, the third connection hole and the fourth connection hole, respectively. 5 . The first connection hole is correspondingly parallel to the second connection hole, the third connection hole is correspondingly parallel to the fourth connection hole, the first connection hole and the third connection hole are on a straight line, so the The second connection hole and the fourth connection hole are on a straight line. 5.根据权利要求4所述的变压器注油通用快速法兰装置，其特征在于：所述一对U型抱箍中的其中一个U型抱箍通过所述第一连接孔和所述第二连接孔固定在所述方形法兰盘上，所述一对U型抱箍中的另外一个U型抱箍通过所述第三连接孔和所述第四连接孔固定在所述方形法兰盘上。5 . The universal quick flange device for transformer oil filling according to claim 4 , wherein one of the U-shaped hoops in the pair of U-shaped hoops is connected through the first connection hole and the second connection. 6 . The hole is fixed on the square flange, and the other U-shaped hoop in the pair of U-shaped hoop is fixed on the square flange through the third connection hole and the fourth connection hole . 6.根据权利要求5所述的变压器注油通用快速法兰装置，其特征在于：所述四个连接孔为长条形。6 . The universal quick flange device for transformer oil filling according to claim 5 , wherein the four connecting holes are elongated. 7 . 7.根据权利要求6所述的变压器注油通用快速法兰装置，其特征在于：所述过渡接头与所述注油管道通过丝扣连接。7 . The universal quick flange device for transformer oil filling according to claim 6 , wherein the transition joint and the oil filling pipeline are connected by a screw thread. 8 . 8.根据权利要求7所述的变压器注油通用快速法兰装置，其特征在于：所述过渡接头与所述快速接头阀通过丝扣连接。8 . The universal quick flange device for transformer oil filling according to claim 7 , wherein the transition joint and the quick joint valve are connected by a thread. 9 .
CN201811139003.8A 2018-09-28 2018-09-28 The general quick flange device of oiling transformer Pending CN109237165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811139003.8A CN109237165A (en) 2018-09-28 2018-09-28 The general quick flange device of oiling transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811139003.8A CN109237165A (en) 2018-09-28 2018-09-28 The general quick flange device of oiling transformer

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Publication Number Publication Date
CN109237165A true CN109237165A (en) 2019-01-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110005886A (en) * 2019-04-30 2019-07-12 江苏迪威高压科技股份有限公司 A kind of hydraulic pipeline component being provided with rotary joint
CN114121430A (en) * 2021-11-26 2022-03-01 国网四川省电力公司南充供电公司 Oil supplementing device for transformer oil conservator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0811063A (en) * 1994-06-28 1996-01-16 Hitachi Plant Eng & Constr Co Ltd Flange bolt fastening method and fastening auxiliary device
JP2011100868A (en) * 2009-11-06 2011-05-19 Chubu Electric Power Co Inc Oil-leakage preventive cover for transformer
CN203099155U (en) * 2012-12-12 2013-07-31 国家电网公司 Multipurpose oil charge and discharge valve flange for transformer
CN105351649A (en) * 2015-12-10 2016-02-24 国家电网公司 Flange joint for realizing oil charging and discharging of transformer
CN105371031A (en) * 2015-11-25 2016-03-02 国网河南省电力公司平顶山供电公司 Flange quick connection device and operation method thereof
CN105822859A (en) * 2016-04-22 2016-08-03 国家电网公司 Universal oil injection flange device for transformer
DE102017105858A1 (en) * 2016-04-11 2017-10-12 Richard Weinhold pipe coupling
CN207796323U (en) * 2018-01-30 2018-08-31 谱源（厦门）流体技术有限公司 A kind of interior tooth is direct

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0811063A (en) * 1994-06-28 1996-01-16 Hitachi Plant Eng & Constr Co Ltd Flange bolt fastening method and fastening auxiliary device
JP2011100868A (en) * 2009-11-06 2011-05-19 Chubu Electric Power Co Inc Oil-leakage preventive cover for transformer
CN203099155U (en) * 2012-12-12 2013-07-31 国家电网公司 Multipurpose oil charge and discharge valve flange for transformer
CN105371031A (en) * 2015-11-25 2016-03-02 国网河南省电力公司平顶山供电公司 Flange quick connection device and operation method thereof
CN105351649A (en) * 2015-12-10 2016-02-24 国家电网公司 Flange joint for realizing oil charging and discharging of transformer
DE102017105858A1 (en) * 2016-04-11 2017-10-12 Richard Weinhold pipe coupling
CN105822859A (en) * 2016-04-22 2016-08-03 国家电网公司 Universal oil injection flange device for transformer
CN207796323U (en) * 2018-01-30 2018-08-31 谱源（厦门）流体技术有限公司 A kind of interior tooth is direct

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110005886A (en) * 2019-04-30 2019-07-12 江苏迪威高压科技股份有限公司 A kind of hydraulic pipeline component being provided with rotary joint
CN110005886B (en) * 2019-04-30 2024-02-06 江苏迪威高压科技股份有限公司 Hydraulic pipeline assembly with rotary joint
CN114121430A (en) * 2021-11-26 2022-03-01 国网四川省电力公司南充供电公司 Oil supplementing device for transformer oil conservator
CN114121430B (en) * 2021-11-26 2023-07-18 国网四川省电力公司南充供电公司 Oil replenishing device for transformer oil conservator

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Application publication date: 20190118

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