Telegraph pole double-porcelain-bottle hard insulating sheath provided with auxiliary mounting plate and capable of being mounted in electrified manner

Abstract

A telegraph pole double-porcelain-bottle hard insulation sheath with an auxiliary installation plate and capable of being installed in an electrified mode comprises two porcelain bottle sleeves used for wrapping the tops of porcelain bottles, one side of each porcelain bottle sleeve is provided with an outer side electric wire sleeve used for wrapping an electric wire, and the other side of each porcelain bottle sleeve is provided with a telescopic electric wire sleeve. The lower end of the porcelain insulator sleeve is provided with an opening corresponding to the upper portion of the porcelain insulator, the lower edge of the outer wire sleeve and the lower edge of the telescopic wire sleeve are provided with a slit communicated with the opening in the lower end of the porcelain insulator sleeve, and the two edges of the slit are respectively provided with a butt joint edge extending downwards. A mounting plate is arranged on each porcelain insulator sleeve; clamping plates are arranged on the inner sides of two butt joint edges of the outer wire sleeve and the inner wire sleeve; an auxiliary mounting plate is arranged on the middle part of the outer side wire sleeve; and an auxiliary mounting hole is formed in the auxiliary mounting plate. The telescopic wire sleeve has the advantages that the pair of middle clamping plates is additionally arranged at the slit below the telescopic wire sleeve, so that the clamping force of the slit to a power line is greatly increased, and the power line is prevented from falling off; and the added auxiliary mounting plate ensures in-place mounting.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of double porcelain bottle hard insulating sheath of pole with auxiliary installation plate and live installation, mainly for being installed on the top of two parallelly arranged porcelain bottles supported on electric line on pole, prevent rain and snow from invading and the damage of bird nest to the binding wire between porcelain bottle top and electric wire and electric wire. BACKGROUND

[0002] Electric line is generally erected on pole 16, and pole 16 is fixed with cross arm 15, and electric line 13 is supported by two parallelly arranged porcelain bottles 14 on cross arm 15 (for reference Figure 12 ). Electric line 13 is generally bound with binding wire (generally bare aluminum wire) on the top of porcelain bottle 14. Binding wire and adjacent electric line are prone to corrosion under long-term rain and snow erosion, and may be disconnected in severe cases; birds often nest or stay on the top of porcelain bottle, and bird nests and bird excrement can cause corrosion damage to binding wire and electric line, which adversely affects the safe operation of electric line.

[0003] To solve the above problems, the inventor applies an improved double porcelain bottle anti-bird damage hard insulating sheath capable of live installation (application number CN202520025976.8, application date: 20250107), which includes two porcelain bottle sleeves for wrapping the top of the porcelain bottle, an outer electric wire sleeve on one side of each porcelain bottle sleeve for wrapping the electric wire, and a telescopic electric wire sleeve on the other side of each porcelain bottle sleeve, which is in abutment with each other and symmetrically arranged with the outer electric wire sleeve. An opening corresponding to the upper part of the porcelain bottle is provided at the lower end of the porcelain bottle sleeve, and a slit is provided at the lower edge of the outer electric wire sleeve and the telescopic electric wire sleeve, which is in communication with the opening at the lower end of the porcelain bottle sleeve. Each abutment edge extends downward on both sides of the slit. The telescopic electric wire sleeve is composed of an electric wire outer sleeve and an electric wire inner sleeve. The end of the electric wire outer sleeve is coaxially sleeved on the outside of the end of the electric wire inner sleeve, and they can axially slide relative to each other. An installation plate is provided on each porcelain bottle sleeve, and a mounting hole is provided on the installation plate. The cross section of the abutment edge on both sides is in the shape of an eight-character, characterized in that a clamping plate matching the shape of the abutment edge is connected to each side of the abutment edge through an elastic body.

[0004] The insulating sheath has the following disadvantages: no clamping plate is provided in the slit of the telescopic electric wire sleeve between the two porcelain bottle sleeves, the clamping force on the electric line is small, and the electric line cannot be clamped; only an installation plate is provided on each porcelain bottle sleeve, and it is not easy to install in place if installation problems occur (such as unbalanced installation resistance at both ends, and the insulating sheath cannot be installed at one end). SUMMARY

[0005] The utility model provides a kind of double porcelain bottle hard insulating sheath of pole with auxiliary installation plate and live installation to solve the above problems existing in prior art.

[0006] The utility model discloses a technical scheme: a kind of double porcelain bottle hard insulating sheath of electric pole with auxiliary mounting plate and live installation, including two for wrapping the porcelain bottle top porcelain bottle cover, the outer wire cover for wrapping wire is equipped in the side of each porcelain bottle cover, the other side of each porcelain bottle cover is equipped with mutually butting, and with the outer wire cover symmetrically arranged telescopic wire cover;Opening corresponding with the porcelain bottle upper portion is equipped in the lower end of porcelain bottle cover, slitting is equipped with the opening of the lower end of porcelain bottle cover in the outer wire cover and the lower side of the telescopic wire cover, the butt joint edge of each being equipped with downward extending in the slitting;The telescopic wire cover is composed of wire outer cover and wire inner cover, and the wire outer cover end coaxially covers the outside of the wire inner cover end portion, and can axially telescopic sliding with each other;The butt joint edge identical with the butt joint edge is equipped in the lower side of the wire outer cover and wire inner cover, mounting plate is equipped on each porcelain bottle cover, and mounting hole is equipped on the mounting plate;The butt joint edge of the outer wire cover both sides and the butt joint edge of the wire outer cover and wire inner cover both sides are all in the shape of eight characters;The butt joint edge of the outer wire cover is connected with the shape of the butt joint edge by elastomer on the inside of each, and the butt joint edge is matched with the shape of the butt joint edge;The insulating sheath is made of hard insulating material, and its characterized in that, the wire inner cover is connected with the middle clamping plate corresponding with the butt joint edge by elastomer on the side opposite to the butt joint edge of each;Auxiliary mounting plate is equipped in the middle of the outer wire cover, and auxiliary mounting hole corresponding with the mounting hole is equipped on the auxiliary mounting plate.

[0007] The utility model has the advantages that: a pair of middle clamping plates are additionally arranged at the slitting of the wire inner cover of telescopic wire cover, which greatly increases the clamping force of the power line at this position, makes the whole sheath firmly installed, and avoids the power line from coming out;Two auxiliary mounting plates are additionally arranged, which can change the supporting position of the mounting rod or use double-end mounting rod for installation, and ensure that the installation is in place at one time. ACCURACY OF DRAWINGS

[0008] Figure 1 It is the three-dimensional structure schematic diagram (oblique view) of one embodiment of the utility model;

[0009] Figure 2 It is the perspective structure schematic diagram from Figure 1 Lower left;

[0010] Figure 3 It is Figure 1 The exploded structure schematic diagram of;

[0011] Figure 4 It is Figure 1 The structure schematic diagram of one side;

[0012] Figure 5 It is Figure 4 The front view (slightly view) of left end (or right end) of;

[0013] Figure 6 is Figure 5 The structure schematic diagram of installing power line in the middle;

[0014] Figure 7 is Figure 3 The enlarged view of the assembly of the group of clamping plates and the helical spring in the left side of the middle;

[0015] Figure 8 The structure schematic diagram of the assembly of the group of clamping plates and the helical spring in the middle of the utility model;

[0016] Figure 9 is Figure 7 or Figure 8 The front view of one end;

[0017] Figure 10 is Figure 4 The structure view of the A-A section in the middle;

[0018] Figure 11 The structure schematic diagram of the single head installation rod used when installing the above embodiment;

[0019] Figure 12 and Figure 13 The structure schematic diagram of two kinds of embodiments of the double head installation rod used when installing the above embodiment;

[0020] Figure 14 is Figure 11 The structure schematic diagram of the installation rod in use;

[0021] Figure 15 The side structure schematic diagram of the utility model insulating sheath installed on the double porcelain bottles of the electric pole.

[0022] Mark explanation: 1, porcelain bottle cover, 2, outer electric wire cover, 21, outer flange, 22, electric wire cover, 23, electric wire inner cover, 24, reinforcing rib, 3, butt joint edge, 31, through hole, 4, installation plate, 41, installation hole, 5, clamping plate, 51, plug, 5', middle clamping plate, 6, auxiliary installation plate, 61, auxiliary installation hole, 7, helical spring, 8, connecting plate, 9, convex column, 10, handle bolt, 11, anti-rotation mechanism, 12, insulating rod, 13, electric power line, 14, porcelain bottle, 15, cross arm, 16, electric pole, 17, sliding plate, 18, fastening bolt, 19, short rod, 20, moving short rod. DETAILED DESCRIPTION

[0023] Referring to Figures 1-10The utility model relates to a kind of double porcelain bottle hard insulating sheath of electric pole of auxiliary installation plate and can be installed live, including two for wrapping the porcelain bottle top porcelain bottle sleeve 1, outer wire sleeve 2 for wrapping wire is equipped in one side of each porcelain bottle sleeve 1, the other side of each porcelain bottle sleeve 1 is equipped with mutually butting, and with the outer wire sleeve 2 symmetrically arranged telescopic wire sleeve;Opening corresponding with the porcelain bottle upper portion is equipped in the lower end of porcelain bottle sleeve 1, opening slot is equipped with the opening of the lower end of porcelain bottle sleeve 1 in the outer wire sleeve 2 and the lower side of the telescopic wire sleeve, each is equipped with the butt joint edge 3 of downward extension in the two sides of the opening slot;The telescopic wire sleeve is composed of wire outer sleeve 22 and wire inner sleeve 23, the shape of wire outer sleeve 22 and wire inner sleeve 23 corresponds with outer wire sleeve 2, also be equipped with the butt joint edge corresponding with butt joint edge 3.The wire outer sleeve 22 end portion coaxial sleeve in the outer side of the wire inner sleeve 23 end portion, each other can axially telescopic sliding.In the top of each porcelain bottle sleeve 1 is equipped with mounting plate 4, and mounting hole 41 is equipped on the mounting plate 4;The butt joint edge 3 of two sides is in the shape of splayed.In the inner side of the butt joint edge 3 of outer wire sleeve 2, each is connected with the clamping plate 5 of the shape of butt joint edge 3 by elastomer.The insulating sheath is made of hard insulating material.

[0024] It is characterized in that, in the two butt joint edges of the wire inner sleeve 23, each is connected with the middle clamping plate 5' corresponding with the clamping plate 5 by elastomer on the side opposite to each other;Auxiliary mounting plate 6 is equipped on the middle part (or close to porcelain bottle sleeve 1, close to the barycenter of half sheath) of the outer wire sleeve 2, and auxiliary mounting hole 61 corresponding (same) with the mounting hole 41 is equipped on the auxiliary mounting plate 6.

[0025] The connecting structure of the clamping plate 5 and butt joint edge 3 is (see Figure 3 、 Figure 7 、 Figure 9 ): a plurality of through holes 31 are equipped in butt joint edge 3, a plurality of plugs 51 corresponding with through hole 31 are equipped in the outer side of clamping plate 5, conical petal flange (three petals or four petals, see Figure 7 ) is equipped in the top end of plug 51, and the maximum outer diameter of the flange is slightly larger than the diameter of through hole 31;The elastomer is spiral spring 7, and is sleeved in the root of plug 51;The flange of the top end of plug 51 is radially compressed and passes through through hole 31 and restores (is clamped in the outer side of through hole 31, can refer to Figure 10 ), and spiral spring 7 is supported between clamping plate 5 and butt joint edge 3. The connecting structure of the middle clamping plate 5' and the butt joint edge of wire inner sleeve 23 is same with the connecting structure of the above clamping plate 5 and butt joint edge 3, and spiral spring 7 is supported between middle clamping plate 5' and the butt joint edge of wire inner sleeve 23 (see Figure 10 ).

[0026] The installation plate 4 and the auxiliary installation plate 6 can also be arranged on the same side (i.e. Figure 5 left side or right side in the figure) of the porcelain bottle sleeve 1 and the outer wire sleeve 2.

[0027] The installation hole 41 on the installation plate 4 and the auxiliary installation hole 61 on the auxiliary installation plate 6 are at least two round holes or 1-2 non-circular holes (such as long holes or square holes). The purpose of arranging two round holes or non-circular holes is to stably support during installation and avoid the sheath swinging.

[0028] A reinforcing rib 24 can also be arranged between the top of the porcelain bottle sleeve 1 and the upper end of the outer wire sleeve 2 adjacent to the porcelain bottle sleeve 1.

[0029] The utility model also has an outer flange 21 arranged on the outer end of the outer wire sleeve 2, which can increase the strength of the outer end of the outer wire sleeve 2.

[0030] A rainproof edge (not shown in the figure) can also be arranged on the lower end of the porcelain bottle sleeve 1 to improve the waterproof effect.

[0031] One porcelain bottle sleeve 1 and the outer wire sleeves 2 and the wire outer sleeve 22 on both sides of the porcelain bottle sleeve 1 are an integral structure (constitute half of the entire insulating sheath), and the other porcelain bottle sleeve 1 and the outer wire sleeves 2 and the wire inner sleeve 23 on both sides of the porcelain bottle sleeve 1 are an integral structure (the other half), which are all made of hard plastic (such as polycarbonate 2805) by injection molding.

[0032] The utility model also includes an installation rod matched with the installation plate 4 and the auxiliary installation plate 6. Figure 11 The installation rod shown in the figure is a single-head installation rod, which comprises a connecting plate 8 bent (deflected) to one side connected to the top end of the insulating rod 12, and a protruding column 9 corresponding to the installation hole 41 of the installation plate 4 (or the auxiliary installation hole 61 on the auxiliary installation plate 6) is arranged on one side of the connecting plate 8; one end of the connecting plate 8 is connected to the top end of the insulating rod 12 through a handle bolt 10, and an anti-rotation mechanism 11 (such as a concave-convex structure or a spline-like structure) is arranged between the connecting plate 8 and the insulating rod 12. The angle between the connecting plate 8 and the insulating rod 12 is adjusted through the handle bolt 10 to facilitate use.

[0033] Figure 12is an embodiment of double-head installation rod, which adds an auxiliary installation rod on the basis of the single-head installation rod. The auxiliary installation rod includes a short rod 19, a connecting plate 8 and a convex column 9, which have the same structure as the upper part of the single-head installation rod and are arranged in parallel. The bottom end of the short rod 19 is fixedly connected with one end of the sliding plate 17 perpendicularly, and the bottom end of the short rod 19 is slidably connected between the sliding plate 17 and the insulating rod 12 and is fastened by the fastening bolt 18. The distance between the two connecting plates 8 can be adjusted by the sliding plate 17 to adapt to the installation of insulating sheaths of different lengths. When used, the distance between the two sets of connecting plates 8 is adjusted by the sliding plate 17 to be the same as the distance between the two installation plates 4 of the half side and the auxiliary installation plate 6, the convex columns 9 of the two sets of installation rods are inserted into the installation holes of the installation plate 4 and the auxiliary installation plate 6 respectively, and pressure is applied to two places of the insulating sheath at the same time, so that the installation is successful at one time.

[0034] Figure 13 is another embodiment of double-head installation rod, the sliding plate 17 is T-shapedly connected with the insulating rod 12, the short rod 19 is fixedly connected with one end of the sliding plate 17, the lower end of the moving rod 20 is slidably connected with the other end of the sliding plate 17 and is fastened by the fastening bolt 18. The moving rod 20 is also provided with the connecting plate 8 and the convex column 9 at the top. The use method is the same as that of the embodiment of Figure 12 .

[0035] Referring to Figure 14 and Figure 15 , when the utility model is installed (taking the single-head installation rod shown in Figure 11 as an example), the convex column 9 is inserted into the installation hole 41 (or the auxiliary installation hole 61) of the installation plate 4 of one insulating sheath with the wire inner sleeve 23, then the insulating sheath is lifted to the upper side of one porcelain bottle 14 on the right in Figure 14 , and the insulating rod 12 is pulled downward, so that the insulating sheath is sleeved on the upper part of the porcelain bottle 14 and the wires 13 on the two sides of the porcelain bottle 14; then the convex column 9 is withdrawn from the installation hole 41 of the top installation plate 4, and the installation of the right half of the insulating sheath is completed. Then the left half of the insulating sheath is installed on the left porcelain bottle 14 by the same method, and the wire outer sleeve 22 of the half insulating sheath is sleeved outside the wire inner sleeve 23 of the above-mentioned insulating sheath. Thus the installation of a complete set of insulating sheaths is completed, and the wire pole after the installation of the insulating sheaths is shown in Figure 15 .

Claims

1. A double porcelain bottle hard insulating sheath for electric pole with auxiliary installation plate and live installation, comprising two porcelain bottle sleeves (1) for wrapping the top of the porcelain bottle, an outer wire sleeve (2) for wrapping the electric wire is arranged on one side of each porcelain bottle sleeve (1), and an elastic wire sleeve is arranged on the other side of each porcelain bottle sleeve (1) and is symmetrically arranged with the outer wire sleeve (2); an opening corresponding to the upper part of the porcelain bottle is arranged at the lower end of the porcelain bottle sleeve (1), a slit is arranged at the lower edge of the outer wire sleeve (2) and the elastic wire sleeve and penetrates the opening at the lower end of the porcelain bottle sleeve (1), and downwardly extending abutting edges (3) are arranged at both sides of the slit; the elastic wire sleeve is composed of a wire outer sleeve (22) and a wire inner sleeve (23), the end of the wire outer sleeve (22) coaxially sleeves the outside of the end of the wire inner sleeve (23) and can axially slide with each other; the abutting edges at the lower edge of the wire outer sleeve (22) and the wire inner sleeve (23) are the same as the abutting edges (3), an installation plate (4) is arranged on each porcelain bottle sleeve (1), and an installation hole (41) is arranged on the installation plate (4); the cross sections of the abutting edges (3) at both sides of the outer wire sleeve (2) and the abutting edges at both sides of the wire outer sleeve (22) and the wire inner sleeve (23) are all in the shape of an eight character; a clamping plate (5) in conformity with the shape of the abutting edges (3) is connected to the inner side of the abutting edges (3) of the outer wire sleeve (2) through an elastic body; the insulating sheath is made of hard insulating material, characterized in that, Two middle clamping plates (5') corresponding to the clamping plate (5) are connected to the two opposite sides of the butt joint edge of the inner sleeve (23) by elastic bodies; an auxiliary mounting plate (6) is arranged on the middle part of the outer sleeve (2), and an auxiliary mounting hole (61) corresponding to the mounting hole (41) is arranged on the auxiliary mounting plate (6).

2. The pole double porcelain insulator hard rigid insulating jacket with auxiliary installation plate and capable of installation with live electricity according to claim 1, characterized in that, The connecting structure of the clamping plate (5) and the butt joint edge (3) is that a plurality of through holes (31) are arranged on the butt joint edge (3), a plurality of plugs (51) corresponding to the through holes (31) are arranged on the outer side of the clamping plate (5), a conical petal flange is arranged at the top end of the plug (51), and the maximum outer diameter of the flange is slightly larger than the diameter of the through hole (31); the elastic body is a spiral spring (7) sleeved at the root of the plug (51); the flange at the top end of the plug (51) is radially compressed and then restored after passing through the through hole (31), and the spiral spring (7) is supported between the clamping plate (5) and the butt joint edge (3); the connecting structure of the middle clamping plate (5') and the butt joint edge of the inner sleeve (23) is the same as the connecting structure of the clamping plate (5) and the butt joint edge (3).

3. The pole double porcelain insulator hard rigid insulating jacket with auxiliary installation plate and capable of installation with live electricity according to claim 1, characterized in that, The mounting plate (4) is arranged at the top end of the porcelain sleeve (1); the auxiliary mounting plate (6) is arranged on the upper surface of the outer sleeve (2); the mounting hole (41) and the auxiliary mounting hole (61) are two round holes or 1-2 non-circular holes.

4. The pole double porcelain insulator hard rigid insulating jacket with auxiliary installation plate and capable of installation with live electricity according to claim 1, characterized in that, A reinforcing rib (24) is arranged between the top of the two porcelain sleeves (1) and the upper surface of the root of the outer sleeve (2) adjacent to the porcelain sleeves.

5. The pole double porcelain insulator hard rigid insulating jacket with auxiliary installation plate and capable of installation with live electricity according to claim 1, characterized in that, An outer flange (21) is arranged at the outer end of the outer sleeve (2).

6. The pole double ceramic insulator hard rigid insulating sheath with auxiliary installation plate and capable of installation with electricity on, according to claim 1, characterized in that, A rainproof edge is arranged at the lower end of the porcelain sleeve (1).

7. The hard-rubber insulating sheath for double porcelain insulator of a power pole with an auxiliary installation plate and capable of installation with electricity on, according to claim 1, characterized in that, The installation rod matched with the mounting plate (4) or the auxiliary mounting plate (6) comprises: a connecting plate (8) bent to one side is connected to the top end of an insulating rod (12), and a convex column (9) corresponding to the mounting hole (41) or the auxiliary mounting hole (61) is arranged on one side of the connecting plate (8); one end of the connecting plate (8) is connected to the top end of the insulating rod (12) through a handle bolt (10), and an anti-rotation mechanism (11) is arranged between the connecting plate (8) and the insulating rod (12).

8. The pole double porcelain insulator hard rigid insulating jacket with auxiliary installation plate and capable of installation with live electricity according to claim 7, characterized in that, The installation rod and the auxiliary installation rod have the same upper structure and are arranged in parallel to each other; the connecting plates (8) on the installation rod and the auxiliary installation rod correspond to the mounting plates (4) and the auxiliary mounting plates (6) on the half of the insulating sheath respectively.

9. The pole double porcelain insulator hard rigid insulating jacket with auxiliary installation plate and capable of installation with live electricity according to claim 8, characterized in that, The auxiliary installation rod comprises a short rod (19), a connecting plate (8) and a convex column (9), and has the same structure as the upper part of the installation rod; the installation rod and the auxiliary installation rod are arranged in parallel; the bottom end of the short rod (19) is fixedly connected to one end of a sliding plate (17) perpendicularly, the sliding plate (17) is slidably connected to the insulating rod (12), and the sliding plate (17) and the insulating rod (12) are fastened to each other by a fastening bolt (18).

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