CN201874292U

CN201874292U - Brick type bracing wire

Info

Publication number: CN201874292U
Application number: CN201020203915XU
Authority: CN
Inventors: 徐光第; 徐志军
Original assignee: Taiyuan Power Supply Co of Shanxi Electric Power Co
Current assignee: Taiyuan Power Supply Co of Shanxi Electric Power Co
Priority date: 2010-05-13
Filing date: 2010-05-13
Publication date: 2011-06-22
Anticipated expiration: 2020-05-13

Abstract

The utility model provides a brick type bracing wire, belonging to the technology of power transmission and distribution, From up to down, a hinge lock ring, a fast-assembling insulator, a prefabricated bracing wire, a stepping increaser, an adjusting ring, an anchor rod, and an anchor body are connected via U rings. The brick type bracing wire is advantageous in that: field manufacture of bracing wires is changed into factory prefabrication, bracing wire heads are provided with good quality, formation is standard; bracing wire field is quick and convenient for assembling and mounting; pole planting stringing construction period is shortened, installation cost is reduced, adaptability of bracing wire length is good. The brick type bracing wire is used for bracing wire of pole and ground anchor.

Description

Brick pattern bracing wire

The technical field power transmission and distribution project.

The used steel strand ground anchor backguy of background technology electric pole, the field fabrication backguy, the single-piece assembling not only increases the line construction duration; And the field fabrication condition is poor, influences fabricating quality; Summer, burning sun shone, and using cold wind in winter blows, and work situation is poor, influences efficiency.

The technical problem that the summary of the invention brick pattern bracing wire will solve is: backguy factory formula is prefabricated; On-the-spot quick and convenient aggregate erection is cashed and not only to be made but also to be installed as pure on-the-spot the installation.Its technical scheme is: prefabricated backguy is made length with steel strand or round steel in factory and is become a series of prefabricated component, to adapt to the electric pole of differing heights; Other gold utensil of forming backguy also is a prefabricated component, need not field fabrication, but only with U ring and just installation of spanner.

Brick pattern bracing wire (Fig. 1), by be fixed in electric pole embrace ring, backguy, insulator, adjustment ring, anchor pole and the anchor dish imbedded in the ground form.Encircling (1.3) with U from top to bottom, transfers be hinged armful ring (1.1), a fast-assembling insulator (1.2), prefabricated backguy (1.4), stepping long device (1.5), adjustment ring (1.6), anchor pole (1.7) and anchor body (1.8) to be formed by connecting.

Backguy erection procedure: 1, calculate to such an extent that the long L of backguy and anchor are cheated the back gauge electric pole and closely cheated a level interval B:L=H/sin α on the ground according to cross-arm height H, backguy ground angle α; B=H/tg α.2, closely cheat a level interval B by anchor hole back gauge electric pole, determine position, anchor hole, according to chapter excavation anchor hole.3, from the long L of backguy, deduct fast-assembling insulator (1.2) on the ground and connect long N (Fig. 3), deduct again anchor pole (1.7) (Fig. 1) expose the average length that long W, stepping transfer long device (1.5) (reach the longest be reduced to the shortest the two and half), the adjustment average length of encircling (1.6) encircles (1.3) with 4 U and is connected long M (Fig. 3), just length value J (Fig. 4), the C (Fig. 5) of prefabricated backguy (1.4) have been obtained, prefabricated in view of the above backguy.4, embrace ring (1.1) being hinged earlier and be contained in electric pole near hanging wire cross-arm place with bolt; Using bolt that fast-assembling insulator (1.2) is contained in to be hinged again embraces on the ring (1.1); Afterwards, prefabricated backguy (1.4) is connected on the fast-assembling insulator (1.2), transfers stepping long device (1.5) to be connected in the prefabricated backguy (1.4) with U ring (1.3); Again, be connected on the stepping long device of accent (1.5) adjusting ring (1.6) with U ring (1.3); At last, anchor pole (1.7) is linked to each other with adjustment ring (1.6), and anchor pole (1.7) is linked to each other with anchor body (1.8) with U ring (1.3).Transfer the adjustment ring (1.6) of long device (1.5) and stepless adjustment to make brick pattern bracing wire length reach Len req and required tightness by the stepping that has level to adjust.After preventing that anchor pole (1.7) is stressed, the compression anchor is cheated the hole wall of nearly electric pole one side, and makes backguy lax, and anchor pole (1.7) and the nearly electric pole one side pad of hole wall are with hard things such as masonries in case of necessity.

The advantage of brick pattern bracing wire is: 1, cashing a making backguy is that factory's formula is prefabricated, and manufacturing conditions is perfect, and backguy two ends connector quality is good, system type specification.2, field fabrication is removed in backguy from, and device erection procedure, method are simplified, and efficiency improves, and plants the bridge lineman phase to shorten the minimizing mounting cost.3, fast-assembling insulator factory formula is prefabricated, and machinery, electric apparatus quality is guaranteed; The position is near electric pole, and it is more reliable to insulate.4, stepping transfers long device to have level to transfer length, and it is long to adjust the stepless accent of ring, guarantees the backguy length adaptability.

Description of drawings Fig. 1 is the brick pattern bracing wire structural representation; Fig. 2 is hinged to embrace the ring structure schematic diagram; Fig. 3 is a fast-assembling insulator structure schematic diagram; Fig. 4 is the prefabricated guy structure schematic diagram that steel strand are done; Fig. 5 is the prefabricated guy structure schematic diagram that round steel is done; Fig. 6 is that long device structural representation is transferred in stepping.

The specific embodiment is hinged and embraces two semicircular ring (2.3) of encircling (Fig. 2) and being curved by band steel, U-shaped pin (2.1) and the pin plate (2.2) that round steel curves constitutes; Semicircular ring (2.3) one ends are rolled into cylinder (2.7), and barrel bore and U-shaped pin (2.1) match; The other end is tack (2.6), the solid annular distance (2.5) at one jiao at position place is arranged and near the backguy hole (2.4) of semicircular rings tripe on it.Gu annular distance (2.5) can be embraced ring (1.1) with being hinged and be fixed on the electric pole, allow the people vacate both hands and go up installation fast-assembling insulator (1.2) in backguy hole (2.4).The interior circle of ring tripe of embracing ring (1.1) that is hinged matches with the electric pole external diameter.Two legs of U-shaped pin (2.1) pass the cylinder (2.7) of semicircular ring (2.3), insert in two holes of pin plate (2.2), and plug welding is fixed.

Fast-assembling insulator (Fig. 3) is made with existing eight prismatic insulators (3.2), the C shape ring (3.1) that make of bolt (3.3) prepackage band steel at two.C shape ring (3.1) connection hole is pasted and is bored connecting hole after the weldering band steel is strengthened.Two legs of two C shapes ring (3.1) stride into mutually between the other side's two legs, so that insulator (3.2) pressure-bearing during the backguy tension.

The prefabricated backguy (Fig. 4) that steel strand are done is one section suitable long steel strand, and two ends curve ring head (4.1), and are consolidated into ovum gallinaceum shape with splicing sleeve (4.2) or U-shaped clamp; Backguy is stretching, and connecting long J between two ring heads (4.1) is setting, the J of different length ₁, J ₂, J ₃... become a series of, to adapt to the electric pole of differing heights.

Some first bar (5.1) of two or three meter fixed length that the prefabricated backguy (Fig. 5) that round steel is done is done by round steel is formed by connecting with a chain of (5.2); A chain of (5.2) can make first bar (5.1) folding bundled, are convenient to transportation and store; The ring head of the unit's bar (5.1) and the chain of rings (5.2) bends, welds behind the fit.Backguy is stretching, and the long C of connection between two end member bars (5.1) ring head is a setting, also is the C of different length ₁, C ₂, C ₃... become a series of, to adapt to the electric pole of differing heights.

Stepping transfers long device (Fig. 6) to be made up of expansion link (6.1), T clevis (6.5) and positioning bolt (6.6).T clevis (6.5) curves U-shaped with band steel, and uniform 5～10 of total length is transferred slotted hole (6.8); The hole heart equals to adjust the long amount of accent of ring (1.6) apart from 50～100mm.When the long amount of the required accent of backguy was transferred long amount greater than a stepping, it was long to transfer long device (1.5) to have level to transfer with stepping; When the long amount of the required accent of backguy is transferred long amount less than a stepping, with adjusting the long tensioning of the stepless accent of ring (1.6).T clevis (6.5) two terminations are welded with clamping plate (6.2).Two clamping plate (6.2) respectively have two holes, with two covers (6.3) positioned at intervals, and clamp with two bolts (6.4), and make expansion link (6.1) retractable also not spacious.T clevis (6.5) descends the hole to link to each other with adjustment ring (1.6) by U ring (1.3) most.Expansion link (6.1) two sides, lower end is pasted weldering thickening plates (6.7) and is strengthened, and hits exactly porosely, can pass positioning bolt (6.6), connects together with T clevis (6.5).Weldering thickening plate (6.9) is also pasted on two sides, expansion link (6.1) upper end, hit exactly also porosely, encircles (1.3) by U and links to each other with prefabricated backguy (1.4).Transfer when long, flexible expansion link (6.1) makes the hole of expansion link (6.1) lower end aim at the respective aperture on the T clevis (6.5) to Len req, and insertion positioning bolt (6.6) is fastening.

U ring (1.3) is with the U-shaped link in the existing electric power connection gold utensil.Adjust ring (1.6), anchor pole (1.7) and anchor body (1.8) with backguy gold utensil in the existing electric armour clamp and anchor dish.

The ground angle α of anchor stay is big more, and the component of the balance electric wire Horizontal Tension that backguy produced is big more; But the pole guy assembly is also big more, and backguy material consumption increases, and cost strengthens.Therefore, anchor stay will be weighed the contradiction of horizontal component size and bar, line combination compactness, generally with 60 ° of ground angles for well.Be hinged embracing ring (1.1) should be near the high H of electric pole cross-arm, thus the long on the ground L of backguy to be exactly cross-arm high 1.15 times, anchor hole back gauge electric pole closely cheat a distance just the long on the ground L of backguy partly, good note is just used.

During practice of construction, can install backguy, persist anchor pole (1.7) and do not adorn in the ground trap; The masthead that powers on installs to be hinged embraces ring (1.1); Stretch backguy and point to desired location; Pasting backguy with anchor pole (1.7) and moving down along its sensing, touchdown point is the nearly electric pole point on the limit, anchor hole, and the excavation anchor is cheated like this, and this " joining the practice " is very accurate.

Claims

1. a brick pattern bracing wire belongs to the power transmission and distribution project technical field, by be fixed in electric pole embrace ring, backguy, insulator, adjustment ring, anchor pole and the anchor dish imbedded in the ground form, it is characterized in that: from top to bottom, encircle (1.3) with U and transfer be hinged armful ring (1.1), a fast-assembling insulator (1.2), prefabricated backguy (1.4), stepping long device (1.5), adjustment ring (1.6), anchor pole (1.7) and anchor body (1.8) to be formed by connecting.

2. brick pattern bracing wire according to claim 1 is characterized in that: be hinged and embrace two semicircular ring (2.3) of encircling (1.1) and being curved by band steel, U-shaped pin (2.1) and pin plate (2.2) formation that round steel curves; Semicircular ring (2.3) one ends are rolled into cylinder (2.7), and barrel bore and U-shaped pin (2.1) match; The other end is tack (2.6), the solid annular distance (2.5) at one jiao at position place is arranged and near the backguy hole (2.4) of semicircular rings tripe on it; The interior circle of ring tripe of embracing ring (1.1) that is hinged matches with the electric pole external diameter; Two legs of U-shaped pin (2.1) pass the cylinder (2.7) of semicircular ring (2.3), insert in pin plate (2.2) two holes, and plug welding is fixed.

3. brick pattern bracing wire according to claim 1 is characterized in that: fast-assembling insulator (1.2) encircles (3.1) with existing eight prismatic insulators (3.2), the C shape that make of bolt (3.3) prepackage band steel at two; C shape ring (3.1) connection hole is pasted the weldering band steel and is strengthened; Two legs of two C shapes rings (3.1) stride into mutually between the other side's two legs.

4. brick pattern bracing wire according to claim 1 is characterized in that: prefabricated backguy (1.4) is one section steel strand, and two ends curve ring head (4.1), and is consolidated into ovum gallinaceum shape with splicing sleeve (4.2).

5. brick pattern bracing wire according to claim 1 is characterized in that: prefabricated backguy (1.4) is one section steel strand, and two ends curve ring head (4.1), and is consolidated into ovum gallinaceum shape with the U-shaped clamp.

6. brick pattern bracing wire according to claim 1 is characterized in that: prefabricated backguy (1.4) is the round steel backguy, and some first bar (5.1) of two meters fixed length being done by round steel is formed by connecting with a chain of (5.2); A chain of (5.2) can make first bar (5.1) folding bundled.

7. brick pattern bracing wire according to claim 1 is characterized in that: stepping transfers long device (1.5) to be made up of expansion link (6.1), T clevis (6.5) and positioning bolt (6.6); T clevis (6.5) curves U-shaped with band steel, and uniform 5～10 of total length is transferred slotted hole (6.8); The hole heart equals to adjust the long amount of accent of ring (1.6) apart from 50～100mm; T clevis (6.5) two terminations are welded with clamping plate (6.2); Two clamping plate (6.2) respectively have two holes, with two covers (6.3) positioned at intervals, and clamp with two bolts (6.4); Weldering thickening plate (6.7) is pasted on expansion link (6.1) two sides, lower end, hits exactly porose; Weldering thickening plate (6.9) is also pasted on two sides, expansion link (6.1) upper end, hits exactly also porose.