CN102222553A - Trough-type connecting hardware fitting of sectional-type composite isolator - Google Patents
Trough-type connecting hardware fitting of sectional-type composite isolator Download PDFInfo
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- CN102222553A CN102222553A CN2011101721189A CN201110172118A CN102222553A CN 102222553 A CN102222553 A CN 102222553A CN 2011101721189 A CN2011101721189 A CN 2011101721189A CN 201110172118 A CN201110172118 A CN 201110172118A CN 102222553 A CN102222553 A CN 102222553A
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- gold utensil
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Abstract
The invention relates to a trough-type connecting hardware fitting of a sectional-type composite isolator. The connecting hardware fitting comprises two terminal hardware fittings, namely a veneer terminal hardware fitting and a trough-type terminal hardware fitting, wherein the veneer terminal hardware fitting comprises a sleeve structure with an opening at one end and a veneer structure connected with the sleeve structure; the trough-type terminal hardware fitting comprises a sleeve structure with an opening at one end and a trough-type structure connected with the sleeve structure; the veneer structure is inserted into the trough-type structure and is fixedly connected with the trough-type structure through fixing components; the two terminal hardware fittings are respectively pressed on core rods of two sections of composite isolators through the sleeve structures so as to connect the two sections of composite isolators; and the sleeve structures of the two hardware fittings are connected with a voltage-sharing shading ring respectively. The connecting hardware fitting can overcome the defects that the over long composite isolator is difficult to carry to the construction field or cannot be transported to the construction field; the construction cost is saved to a maximum extent; the connecting hardware fitting has the advantages of safe and reliable structure, easy installation, convenient field construction and the like; and the connecting hardware fitting is widely suitable for connecting various sectional-type composite isolators.
Description
Technical field
The invention belongs to connection gold utensil field, the board slot type that is specifically related to a kind of segmented composite insulator connects gold utensil.
Background technology
Composite insulator is a kind of special insulating space, can play very important effect in overhead transmission line.Fast development along with China's power industry, the overhead transmission line of big capacity, voltage levels is more and more, in order to satisfy the work requirements of overhead transmission line, require the length of composite insulator increasing, for example: single limb composite insulator length of using in ± 800kV direct current transportation the demonstration project reaches 12.7 meters, along with the length of composite insulator constantly increases the also corresponding increase of its weight, therefore, transport this device and become a great problem in the construction.
In order to solve the defective of composite insulator whole Transporting difficulty, those skilled in the art expects by segmentation production, the method of transportation solves a transportation difficult problem, if directly will be positioned at the annular end gold utensil of segmented composite insulator end links to each other by connection gold utensil of the prior art (for example: link plate or conductor spacer), the length that the structure that this ring-ring links to each other can prolong whole composite insulator, because site operation will be considered the amplitude of oscillation problem of composite insulator, so the composite insulator entire length directly has influence on the tower height and the tower head size of high voltage power transmission tower, tower height is too high will to improve the deadweight that connects tower, the excessive circuit corridor that just makes of tower head broadens, can improve site operation cost and difficulty greatly like this, for this reason, the present invention proposes a kind of low cost, and can satisfy the connection gold utensil of the segmented composite insulator of transmission line specification requirement.
Summary of the invention
In order to overcome the above-mentioned defective of prior art, the objective of the invention is to propose a kind of board slot type connection gold utensil of segmented composite insulator, this connection gold utensil is compared the connection length that can shorten between each segmented composite insulator than prior art, structural safety is reliable, be easy to install, and is convenient to the transportation of whole composite insulator.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of board slot type of segmented composite insulator connects gold utensil, it comprises two terminal gold utensils: veneer terminal gold utensil and grooved terminal gold utensil, described veneer terminal gold utensil comprises the tube-in-tube structure and the single plate structure that is connected with the blind end of this tube-in-tube structure of an end opening, and described grooved terminal gold utensil comprises the tube-in-tube structure and the trench structure that is connected with the blind end of this tube-in-tube structure of an end opening; Described single plate structure is plugged in the trench structure and both are by the fixture Joint, two terminal gold utensils are crimped on respectively by tube-in-tube structure on the plug of two sections composite insulators two sections composite insulators are connected, and are connected with one on the tube-in-tube structure of described two terminal gold utensils respectively and all press shading ring.
Wherein, the front end of described single plate structure and trench structure is rectangle.
Wherein, the front end of described single plate structure and trench structure is arc.
Wherein, be provided with a right angle link plate between described two terminal gold utensils, one end of this right angle link plate is that U-lag structure, the other end are single connecting plate structure, be 90 ° of angles between described U-lag structure and the single connecting plate structure, the single plate structure of a terminal gold utensil is inserted in the described U-lag structure and is affixed by fixture, and described single connecting plate structure is inserted in the trench structure of another terminal gold utensil and is affixed by fixture.
Wherein, described fixture adopts latch or bolts and nuts.
Wherein, described veneer terminal gold utensil and grooved terminal gold utensil adopt structural alloy steel to make.
Wherein, adopt the insulator hardware press-connection machine that the tube-in-tube structure of described veneer terminal gold utensil and the tube-in-tube structure of grooved terminal gold utensil are crimped on respectively on the plug of two sections composite insulators; the full skirt that utilizes two sections composite insulator outsides again seals the openend of the tube-in-tube structure of the tube-in-tube structure of veneer terminal gold utensil and grooved terminal gold utensil respectively, to realize the insulation blocking to two sections composite electric insulator core bars.
The invention has the beneficial effects as follows:
1) the connection gold utensil by the present invention's design can link together each section composite insulator after splitting easily and efficiently, not only solved the drawback that the long composite insulator of existing length transports the job site difficulty to, and the structural safety of this connection gold utensil reliable, be easy to install, be convenient to site operation, can be widely used in the various transmission lines connection, especially superhigh pressure, the high pressure etc. of segmented composite insulator are needed the long situation of composite insulator length.
2) because the length of composite insulator directly has influence on the tower head size of electric power pylon and the width in circuit corridor, though the composite insulator of employing segmented can be so that transportation, if but adopt the existing gold utensil that connects, can make that the composite insulator entire length after connecting is long, in order to cooperate the use of composite insulator, just needing increases the volume of tower head and the width in circuit corridor, has caused the waste of raw material and land area; Connection gold utensil of the present invention is considered the defective of prior art just, gold utensil is prepared into veneer and trench structure plugs again by the fixing structure of fixture with connecting, both improved the fastness that connects, can shorten the length that connects gold utensil again, thereby shortened the length of the composite insulator that connects by this connection gold utensil, can save cost like this every year and reach more than one hundred million units, greatly reduce construction cost.
Description of drawings
Fig. 1 is the schematic diagram that connection gold utensil of the present invention is assembled two sections composite insulators;
Fig. 2 is the assembly drawing of two terminal gold utensils of the no degree of freedom;
Fig. 3 is the structural representation of veneer terminal gold utensil among Fig. 2;
Fig. 4 is the structural representation of grooved terminal gold utensil among Fig. 2;
Fig. 5 is the assembly drawing with two terminal gold utensils of one degree of freedom;
Fig. 6 is the structural representation of veneer terminal gold utensil among Fig. 5;
Fig. 7 is the structural representation of grooved terminal gold utensil among Fig. 5;
Fig. 8 is the assembly drawing with two terminal gold utensils of two degrees of freedom;
Fig. 9 is the structural representation of right angle link plate;
Figure 10 is the structural representation of fixture;
Wherein, 1-composite insulator (after the segmentation), 2-veneer terminal gold utensil, 3-grooved terminal gold utensil, the tube-in-tube structure of 4-veneer terminal gold utensil, 5-single plate structure, the tube-in-tube structure of 6-grooved terminal gold utensil, the 7-trench structure, 8-fixture, 9-are all pressed shading ring, 10-right angle link plate, 11-U shape groove structure, the single connecting plate structure of 12-.
Embodiment
Be further described in detail below in conjunction with the board slot type connection gold utensil of accompanying drawing segmented composite insulator of the present invention.
Fig. 1 shows the assembling schematic diagram that the present invention connects gold utensil, and wherein last figure is the front view after the assembling, and figure below is the vertical view after assembling.For convenient transportation, the composite insulator that length is long is divided into two sections, is undertaken affixed by connecting gold utensil two sections composite insulators 1 again when installing and using on transmission line.This connection gold utensil can adopt following three kinds of technical schemes:
Scheme one: the connection gold utensil of the no degree of freedom.
Fig. 2 shows the assembly drawing of two terminal gold utensils of the no degree of freedom, and wherein last figure is the front view after the assembling, and figure below is the vertical view after assembling.This connection gold utensil comprises two terminal gold utensils, that is: veneer terminal gold utensil 2 and grooved terminal gold utensil 3.Fig. 3 shows the structural representation of veneer terminal gold utensil in this scheme, wherein last figure is the front view of veneer terminal gold utensil, figure below is the vertical view of veneer terminal gold utensil, and veneer terminal gold utensil 2 comprises the tube-in-tube structure 4 and the single plate structure 5 that is connected with the blind end of this tube-in-tube structure of an end opening, end sealing.Fig. 4 shows the structural representation of grooved terminal gold utensil in this scheme, wherein last figure is the front view of grooved terminal gold utensil, figure below is the vertical view of grooved terminal gold utensil, grooved terminal gold utensil 3 comprises the tube-in-tube structure 6 and the trench structure 7 that is connected with the blind end of this tube-in-tube structure of an end opening, end sealing, this trench structure is meant that the blind end in tube-in-tube structure is connected with two connecting plates, leave spacing between two connecting plates, single plate structure 5 inserts to tighten up in the spacing of two connecting plates and by fixture and gets final product.The front end of single plate structure 5 is a rectangle, and the front end of same trench structure 7 also is a rectangle, and this rectangular design can make two terminal gold utensils not have degree of freedom connection.
The single plate structure of veneer terminal gold utensil be plugged in the groove of trench structure of grooved terminal gold utensil and two terminal gold utensils by fixture 8 Joints, this fixture can adopt latch or other bolt nut structures as shown in figure 10.The tube-in-tube structure of two terminal gold utensils is crimped on respectively on the plug of two sections composite insulators 1 and two sections composite insulators is connected into the required integral type composite insulator of construction; in order to make composite insulator after the segmentation satisfy the specification requirement of transmission line, on the tube-in-tube structure of two terminal gold utensils, be connected with one respectively and all press shading ring 9 to protect.
Two sections composite insulators among the present invention comprise plug, the metal termination that is located at the full skirt of mandrel outer and is located at plug one end, and veneer terminal gold utensil and grooved terminal gold utensil all adopt 40Mn
2The structural alloy steel of model is made; and use existing insulator hardware press-connection machine that the tube-in-tube structure 4 of veneer terminal gold utensil and the tube-in-tube structure 6 of grooved terminal gold utensil are crimped on the plug of two sections composite insulators; the full skirt (adopt silastic material make) that utilizes composite insulator again seals the openend of tube-in-tube structure 4,6, with this full skirt by connection gold utensil of the present invention and composite insulator the plug of composite insulator is carried out insulation blocking.
Owing to satisfy under the situation of transmission line requirement in insulation property, the length of composite insulator can directly have influence on the tower head size of electric power pylon and the width in circuit corridor, maybe can't transport if not segmentation is difficult to transportation, delays construction; If transport but whole composite insulator is divided into too many section, transport behind the job site assembling again to and not only can relatively lose time, the composite insulator length after the connection also can prolong a lot, and cost more can increase greatly.Take all factors into consideration above-mentioned factor, repetition test through the inventor, sum up at last: whole composite insulator is split into two sections transportations, transport to behind the scene again by connection gold utensil of the present invention link into an integrated entity structure not only quick and safe, but also can shorten length after two sections composite insulators connect as far as possible, not only solved the problem of transportation difficulty, can also farthest save cost, be to compare in first-selected technical scheme, especially the superhigh pressure field in superhigh pressure, the high pressure field.
Scheme two: connection gold utensil with one degree of freedom.
Basic identical in connection gold utensil structure in this programme and principle and the scheme one, have different being only:
Fig. 5 shows the assembly drawing of two terminal gold utensils of one degree of freedom, and wherein last figure is the front view after the assembling, and figure below is the vertical view after assembling.This connection gold utensil comprises two terminal gold utensils, that is: veneer terminal gold 2 and grooved terminal gold utensil 3.Fig. 6 shows the structural representation of veneer terminal gold utensil in this scheme, wherein last figure is the front view of veneer terminal gold utensil, figure below is the vertical view of veneer terminal gold utensil, Fig. 7 shows the structural representation of grooved terminal gold utensil in this scheme, wherein last figure is the front view of grooved terminal gold utensil, and figure below is the vertical view of grooved terminal gold utensil.The front end of single plate structure 5 is an arc in this scheme, the front end of same trench structure 7 also is an arc, and this arc design can make two terminal gold utensils carry out the one degree of freedom connection: promptly two terminal gold utensils are that rotating shaft is regulated along level or vertical direction with the fixture.
Scheme three: connection gold utensil with two degrees of freedom.
Basic identical in connection gold utensil structure in this programme and principle and the scheme one, have different being only:
Fig. 8 shows the assembly drawing of two terminal gold utensils of two degrees of freedom, and wherein last figure is the front view after the assembling, and figure below is the vertical view after assembling.In order to satisfy the demand of various transmission lines, the invention allows for the assembly drawing of two terminal gold utensils that have two degrees of freedom as shown in Figure 8.This connection gold utensil comprises a right angle link plate 10 and two terminal gold utensils, two terminal gold utensils difference: veneer terminal gold utensil 2 and grooved terminal gold utensil 3.
Be connected with a right angle link plate 10 between two terminal gold utensils, Fig. 8 shows the structural representation of right angle link plate, and wherein last figure is the front view of right angle link plate, and figure below is the vertical view of right angle link plate.One end of this right angle link plate is that U-lag structure 11, the other end are single connecting plate structure 12, be 90 ° of angles between U-lag structure and the single connecting plate structure, the single plate structure 5 of veneer terminal gold utensil is inserted in the U-lag of U-lag structure 11 and is undertaken affixed by fixture 8, single connecting plate structure 12 is inserted in the groove of trench structure 7 of grooved terminal gold utensil and is undertaken affixedly by fixture 8, and this fixture can adopt latch or other bolt nut structures as shown in figure 10.Two front edge of board of the front end of single plate structure 5 and trench structure 7 are arc in this scheme, the front end of same single connecting plate structure 12 front ends and U-lag structure 11 also is an arc, this arc design can make two terminal gold utensils carry out two degrees of freedom connections: promptly a terminal gold utensil is that the rotating shaft along continuous straight runs is regulated with the latch with right angle link plate Joint, and another terminal gold utensil is that rotating shaft is vertically regulated with the latch.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. the board slot type of a segmented composite insulator connects gold utensil, it is characterized in that: this connection gold utensil comprises two terminal gold utensils: veneer terminal gold utensil and grooved terminal gold utensil, described veneer terminal gold utensil comprises the tube-in-tube structure and the single plate structure that is connected with the blind end of this tube-in-tube structure of an end opening, and described grooved terminal gold utensil comprises the tube-in-tube structure and the trench structure that is connected with the blind end of this tube-in-tube structure of an end opening; Described single plate structure is plugged in the trench structure and both are by the fixture Joint, two terminal gold utensils are crimped on respectively by tube-in-tube structure on the plug of two sections composite insulators two sections composite insulators are connected, and are connected with one on the tube-in-tube structure of described two terminal gold utensils respectively and all press shading ring.
2. the board slot type of segmented composite insulator as claimed in claim 1 connects gold utensil, and it is characterized in that: the front end of described single plate structure and trench structure is rectangle.
3. the board slot type of segmented composite insulator as claimed in claim 1 connects gold utensil, and it is characterized in that: the front end of described single plate structure and trench structure is arc.
4. the board slot type as the arbitrary described segmented composite insulator of claim 1-3 connects gold utensil, it is characterized in that: be provided with a right angle link plate between described two terminal gold utensils, one end of this right angle link plate is that U-lag structure, the other end are single connecting plate structure, be 90 ° of angles between described U-lag structure and the single connecting plate structure, the single plate structure of a terminal gold utensil is inserted in the described U-lag structure and is affixed by fixture, and described single connecting plate structure is inserted in the trench structure of another terminal gold utensil and is affixed by fixture.
5. the board slot type of segmented composite insulator as claimed in claim 1 connects gold utensil, it is characterized in that: described fixture adopts latch or bolts and nuts.
6. the board slot type of segmented composite insulator as claimed in claim 1 connects gold utensil, it is characterized in that: described veneer terminal gold utensil and grooved terminal gold utensil adopt structural alloy steel to make.
7. the board slot type of segmented composite insulator as claimed in claim 1 connects gold utensil; it is characterized in that: the tube-in-tube structure of described veneer terminal gold utensil and the tube-in-tube structure of grooved terminal gold utensil are crimped on respectively on the plug of two sections composite insulators; the full skirt that utilizes two sections composite insulators again seals the openend of the tube-in-tube structure of the tube-in-tube structure of veneer terminal gold utensil and grooved terminal gold utensil respectively, carries out insulation blocking with this plug to two sections composite insulators.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110172118.9A CN102222553B (en) | 2011-06-23 | 2011-06-23 | Trough-type connecting hardware fitting of sectional-type composite isolator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110172118.9A CN102222553B (en) | 2011-06-23 | 2011-06-23 | Trough-type connecting hardware fitting of sectional-type composite isolator |
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| CN102222553A true CN102222553A (en) | 2011-10-19 |
| CN102222553B CN102222553B (en) | 2014-01-08 |
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| CN201110172118.9A Active CN102222553B (en) | 2011-06-23 | 2011-06-23 | Trough-type connecting hardware fitting of sectional-type composite isolator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103680773A (en) * | 2013-10-08 | 2014-03-26 | 江苏祥源电气设备有限公司 | Segmental connection type insulator |
| CN105067875A (en) * | 2015-07-29 | 2015-11-18 | 国网智能电网研究院 | All-fiber current transformer |
| CN105304231A (en) * | 2015-11-13 | 2016-02-03 | 周海兵 | Composite insulator |
| CN111799047A (en) * | 2020-07-01 | 2020-10-20 | 广东电网有限责任公司 | High-voltage insulating rod reinforcing assembly |
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| CN101620899A (en) * | 2009-08-18 | 2010-01-06 | 中国电力科学研究院 | Hanging anchoring mechanism of series compensation platform water pipe insulator |
| CN201527859U (en) * | 2009-06-10 | 2010-07-14 | 东北电网有限公司通辽供电公司 | Anti-fallout composite insulator |
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| CN1753108A (en) * | 2005-09-13 | 2006-03-29 | 宋福如 | Flash fault display uniform voltage ring |
| CN101123131A (en) * | 2006-08-11 | 2008-02-13 | 南通市神马电力科技有限公司 | A compound supporting pole insulator with extrusion bar as internal core and its making method |
| CN201118169Y (en) * | 2007-09-17 | 2008-09-17 | 寻凯 | Inner wedge closed type falling-proof serial insulator connected bowl for power line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103680773A (en) * | 2013-10-08 | 2014-03-26 | 江苏祥源电气设备有限公司 | Segmental connection type insulator |
| CN105067875A (en) * | 2015-07-29 | 2015-11-18 | 国网智能电网研究院 | All-fiber current transformer |
| CN105067875B (en) * | 2015-07-29 | 2019-01-11 | 国网智能电网研究院 | A kind of all-fiber current transformator |
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| CN111799047A (en) * | 2020-07-01 | 2020-10-20 | 广东电网有限责任公司 | High-voltage insulating rod reinforcing assembly |
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| CN102222553B (en) | 2014-01-08 |
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Effective date of registration: 20130517 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant after: China Electric Power Research Institute Applicant after: State Grid Corporation of China Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant before: China Electric Power Research Institute |
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