CN2308185Y - Transmission line hardware - Google Patents
Transmission line hardware Download PDFInfo
- Publication number
- CN2308185Y CN2308185Y CN 97237525 CN97237525U CN2308185Y CN 2308185 Y CN2308185 Y CN 2308185Y CN 97237525 CN97237525 CN 97237525 CN 97237525 U CN97237525 U CN 97237525U CN 2308185 Y CN2308185 Y CN 2308185Y
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- main body
- transmission line
- cylinder
- utility
- gold utensil
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Abstract
The utility model relates to a connecting hardware for a rod tower of a high-voltage transmission line and an insulator string. The utility model aims to solve the problem that the prior art has poor hinge performance, easy clamp and grindability. The utility model comprises a main body 1 of a line type integrative structure, and both ends of the main body 1 are symmetrical; the main body is provided with an elliptic plate 2, circular pipes 4 which are connected to both ends of the elliptic plate 2, and cylinders 5 having the same central lines; a connection part 9 is in smooth transition; the lower part of the elliptic plate is provided with a hanging string hole 3 which is through along the vertical direction of the center lines of the cylinders; the cylinders are matched with locking parts. The utility model is suitable for the rod towers having various types, such as a straight-line tower, an anti-tension tower, a terminal tower, etc. of a transmission line of 500KV of various loads, spans, elevations and ice zones.
Description
The hanging point gold utensil is used in connecting between the connection gold utensil, particularly insulator string that the utility model relates to ultra-high-tension power transmission line and shaft tower.
The hanging point gold utensil of China's 500 kilovolt employing at present still is to continue to use former 110 kilovolts of structures to 220 kilovolt.Fig. 5～8 show more general several hanging point gold utensils at present.Fig. 5 is the hanging point gold utensil that is used for tangent tower, and this hanging point gold utensil hangs and is installed on the tangent tower, first gold utensil U-loop of following extension insulator string, and under horizontal force action, U-loop is easy to stuck on the angle steel of tangent tower, can not freely rotate.Fig. 6 is the hanging point gold utensil that is used for strain tower, and under vertical force, U-loop is easy to stuck on the thread gripping-board of strain tower, because of can not freely rotating, makes the hanging point gold utensil be subjected to curved wearing and tearing.Fig. 7 is the hanging point gold utensil of former Soviet Union's formula, and the round steel of hanging the connection U-loop bears big moment of flexure, and need bear whole horizontal forces, should not use under loading.Fig. 8 is the hinge type hanging point gold utensil of Japan, complex structure, and difficulty of processing is bigger, and weight is very big, installs and uses very inconvenient.
Given this, the purpose of this utility model is to provide that a kind of to have hinged performance good, rotates freely, and compact conformation is simple, the hanging point gold utensil that ultra-high-tension power transmission line easy to install is used.
The utility model adopts the line style monolithic construction of main body being arranged to the two ends symmetry, will be as being arranged to concentricity line with two cylinders of the joining hinge of shaft tower, will be arranged on as bunch-hanged hole on the ellipse at main body middle part with the joining hinge axis hole of insulator string and with perpendicular its purpose that realizes of two cylindrical center's lines.
Transmission line hanging point gold utensil of the present utility model (referring to accompanying drawing), the locking piece that comprises main body (1), main body two ends, aforementioned body is the line style monolithic construction of two ends symmetry, there is ellipse (2) at the middle part, there is the cylinder (5) of concentricity line at two ends, respectively have disk (4) to link to each other between two cylinders and ellipse, and each connecting portion (9) are rounding off, the bunch-hanged hole (3) that connects ellipse along the vertical direction of cylindrical center's line is arranged at the bottom of above-mentioned ellipse, and above-mentioned locking piece matches with cylinder.
There is the mount hole of the supporting member (6) of each self energy and shaft tower to be the hinge section (7) near disk of hinge type matched in clearance on two cylinders of above-mentioned main body, above-mentioned bunch-hanged hole is positioned at the symmetrical centre of ellipse and two ends cylinder thereof, and the eccentric throw between its center and two cylindrical center's lines is E.
Above-mentioned locking piece can have the pad (10) that is sleeved on the cylinder, be the nut (11) of threaded engagement, the closed pin (12) that matches with the pin-and-hole of cylinder outer end with cylinder.
Distance L between two disks (4) lateral surface of above-mentioned main body can be 112mm, and the rounding off surface (9) of above-mentioned connecting portion is circular arc, and its radius of curvature can be 3mm, and above-mentioned eccentric throw E can be 8～16mm.
Lock with connector after the cylinder at the utility model two ends being run through the mount hole of supporting member of shaft tower of transmission line, and the utility model suspension is installed on the shaft tower, hinge with first gold utensil U-loop on the insulator string runs through bunch-hanged hole of the present utility model and locking again, and the insulator string suspension is installed on the utility model, thereby, the insulator string suspension is installed on the shaft tower by transmission line hanging point gold utensil of the present utility model.
Said structure of the present utility model makes it have following advantage and effect.
One, the ellipse structure at the utility model main body middle part, the cross-sectional area from two ends to the middle part increases gradually, and the operating state of ellipse is the vertical state of plate face along vertical, therefore, makes to the utlity model has good anti-bending strength.
Two, main body of the present utility model, adopt the ellipse two ends at middle part respectively to connect a disk, two disks respectively connect a cylinder, and each connecting portion is the all-in-one-piece structure of line style that is symmetry of rounding off, make the utility model simple and compact for structure, one integrated mass, the hinge section of two ends cylinder is stressed evenly, and rounding off has partly avoided stress to concentrate; In addition, the disk area at main body two ends is bigger, and its outside end face is a load-carrying surface, has enough big load area; Moreover, the vertical bunch-hanged hole structure that connects on the ellipse, promptly as being orthogonal structure with the hinge section of the hinged cylinder of shaft tower with as bunch-hanged hole with insulator string hinge connection, thereby it is hinged to constitute orthogonal universal type, can be effectively the external force of all directions such as tension force, horizontal applied force, vertical be passed to the shaft tower member, thereby, make the hinged performance that the utlity model has height, rotate flexible freely, can be not stuck and rotate malfunctioning, force balance and not easy to wear, long service life.
Three, the spacing L of the utility model two ends disk lateral surface is 112MM, and the eccentric throw E between bunch-hanged hole and cylinder is 8～16MM.Be installed on the utility model bunch-hanged hole and rotate 45 ° when not bumping the design that does not block at first gold utensil U-loop that satisfies insulator string upper end, obtain the hinge section of two cylinders and the intersegmental minimum range of hinge post of minimum range, bunch-hanged hole and cylinder between two shaft tower supporting members, thereby, make additional bending moment minimum of the present utility model.
Four, of the present utility model simple in structure, assembly is few, and is in light weight, the convenient installation, the convenient use.
Below, use embodiment and accompanying drawing thereof again, the utility model is elaborated.
Brief description of drawings.
Fig. 1 is the structural representation of a kind of transmission line hanging point gold utensil of the present utility model.
Fig. 2 is the left TV structure schematic diagram of Fig. 1 main body.
Fig. 3 is the plan structure schematic diagram of Fig. 1 main body.
Fig. 4 is the utility model hanging structure schematic diagram.
Fig. 5 is existing hanging point gold utensil and the hanging structure schematic diagram thereof that is used for tangent tower.
Fig. 6 is existing hanging point gold utensil and the hanging structure schematic diagram thereof that is used for strain tower.
Fig. 7 is the hanging point gold utensil and the hanging structure schematic diagram thereof of existing former Soviet Union formula.
Fig. 8 is the hinge type hanging point gold utensil hanging structure schematic diagram of existing Japan.
Embodiment 1
A kind of transmission line hanging point gold utensil of the present utility model is shown in Fig. 1～4.Constitute by main body, pad, nut, closed pin.
Aforementioned body 1 is made with the carbon constructional quality steel solid forging, is the line style monolithic construction of two ends symmetry.The main body middle part has ellipse 2, the bottom of ellipse that the bunch-hanged hole 3 that connects ellipse in vertical direction is arranged.Respectively there is the disk 4 that is close at the two ends of main body, two disks respectively are close to the cylinder 5 that concentricity line is provided with, on two cylinders, respectively there is hinge section 7, the two hinge sections outside that is the hinge type matched in clearance near mount hole disk and supporting member 6 each self energy and shaft tower that thread segment 8 is respectively arranged.Each connecting portion 9 that above-mentioned ellipse 2 and disk 4, disk 4 and cylinder are 5 is rounding off, and the rounding off surface of each connecting portion can be circular arc, and its radius of curvature can be designed as 3mm.Distance L between the lateral surface of above-mentioned two disks can be designed as 112mm.Above-mentioned bunch-hanged hole 3 is positioned at the symmetrical centre of ellipse 2 and two ends cylinder 5 thereof, and the eccentric throw between its center and two cylindrical center's lines is E, and E can be designed as 8～16mm.
Above-mentioned pad 10, nut 11, closed pin 12 are the locking piece of common structure, form the locked component that matches with two cylinders 5 separately respectively.Above-mentioned pad 10 is sleeved on the cylinder 5, and nut 11 matches with the thread segment 8 of cylinder 5, and closed pin 12 matches with the pin-and-hole 13 of cylinder outer end.
The installation of the utility model on the shaft tower of transmission line, in place when the assembling shaft tower usually.Spacing between two supporting members 6 of the shaft tower of installation present embodiment is designed to 116mm, makes its gap that supporting member medial surface of back the utility model main body two disk lateral surfaces and shaft tower is installed that 2mm respectively be arranged.Make two cylinders at main body two ends run through the mount hole of above-mentioned supporting member respectively during installation, and the hinge section of cylinder is matched with this mount hole, then the thread segment of two cylinders respectively successively cover join pad, nut, closed pin and lock, thereby the utility model is installed on the supporting member of shaft tower.
The both sides of the U-shaped of first gold utensil U-loop 14 of insulator string upper end are striden the both sides of the ellipse that is stuck in the utility model main body, pass the suspension mount hole of U-loop one side, the bunch-hanged hole of the utility model main body, the suspension mount hole of U-loop opposite side successively with bolt 15, be equipped with locking pieces such as nut, closed pin again, with the electric transmission line isolator string, be suspended on the shaft tower by the utility model.
The thickness of the middle part ellipse of the utility model main body, and the diameter of hinge section on the cylinder of two ends, be the key dimension of Intensity Design, according to the different requirements of breaking weight, adjust above-mentioned gauge, diameter dimension, can form the series of products of the utility model hanging point gold utensil.
The utility model is applicable to various loads, span, height above sea level, and the 500KV transmission line of ice formation.Can be used for connecting shaft tower and insulator string on the shaft tower of transmission line of various types such as tangent tower, strain tower, terminal tower.
Claims (5)
1, transmission line hanging point gold utensil, the locking piece that comprises main body (1), main body two ends, it is characterized in that aforementioned body, the line style monolithic construction that is the two ends symmetry, middle part have ellipse (2), and there is the cylinder (5) of concentricity line at two ends, between two cylinders and ellipse, respectively there is disk (4) to link to each other, and each connecting portion (9) is rounding off, and the bunch-hanged hole (3) that connects ellipse along the vertical direction of cylindrical center's line is arranged at the bottom of above-mentioned ellipse, and above-mentioned locking piece matches with cylinder.
2, transmission line hanging point gold utensil as claimed in claim 1, it is characterized in that having on two cylinders of said main body the mount hole of the supporting member (6) of each self energy and shaft tower to be the hinge section (7) near disk of hinge type matched in clearance, said bunch-hanged hole is positioned at the symmetrical centre of ellipse and two ends cylinder thereof, and the eccentric throw between its center and two cylindrical center's lines is E.
3, transmission line hanging point gold utensil as claimed in claim 1 or 2 is characterized in that said locking piece has the pad (10) that is sleeved on the cylinder, is the nut (11) of threaded engagement, the closed pin (12) that matches with the pin-and-hole of cylinder outer end with cylinder.
4, transmission line hanging point gold utensil as claimed in claim 1 or 2, it is characterized in that the distance L between two disks (4) lateral surface of said main body is 112mm, the rounding off surface (9) of said connecting portion is circular arc, and its radius of curvature is 3mm, and said eccentric throw E is 8～16mm.
5, transmission line hanging point gold utensil as claimed in claim 1, it is characterized in that the distance L between two disks (4) lateral surface of said main body is 112mm, the rounding off surface (9) of said connecting portion is circular arc, and its radius of curvature is mm, and said eccentric throw E is 8～16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97237525 CN2308185Y (en) | 1997-08-14 | 1997-08-14 | Transmission line hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97237525 CN2308185Y (en) | 1997-08-14 | 1997-08-14 | Transmission line hardware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2308185Y true CN2308185Y (en) | 1999-02-17 |
Family
ID=33948150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97237525 Expired - Lifetime CN2308185Y (en) | 1997-08-14 | 1997-08-14 | Transmission line hardware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2308185Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600647A (en) * | 2015-01-13 | 2015-05-06 | 江苏捷凯电力器材有限公司 | High-strength lightweight electric connecting armor clamp and forming method |
| CN106501075A (en) * | 2016-10-20 | 2017-03-15 | 云南电网有限责任公司电力科学研究院 | A kind of electric armour clamp wear test fixture and electric armour clamp abrasion tester |
-
1997
- 1997-08-14 CN CN 97237525 patent/CN2308185Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600647A (en) * | 2015-01-13 | 2015-05-06 | 江苏捷凯电力器材有限公司 | High-strength lightweight electric connecting armor clamp and forming method |
| CN106501075A (en) * | 2016-10-20 | 2017-03-15 | 云南电网有限责任公司电力科学研究院 | A kind of electric armour clamp wear test fixture and electric armour clamp abrasion tester |
| CN106501075B (en) * | 2016-10-20 | 2018-11-20 | 云南电网有限责任公司电力科学研究院 | A kind of electric armour clamp wear test fixture and electric armour clamp abrasion tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |