CN211229747U - End connecting fitting for T-shaped composite material insulating cross arm for electric power system - Google Patents
End connecting fitting for T-shaped composite material insulating cross arm for electric power system Download PDFInfo
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- CN211229747U CN211229747U CN201921663819.0U CN201921663819U CN211229747U CN 211229747 U CN211229747 U CN 211229747U CN 201921663819 U CN201921663819 U CN 201921663819U CN 211229747 U CN211229747 U CN 211229747U
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- end connection
- cross arm
- connection frame
- power system
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Abstract
The utility model relates to an end connection fitting for T-shaped composite material insulating cross arm for electric power system, which is characterized in that the end connection fitting comprises an end connection frame (401), a fixing groove (402) and a suspension hole (403), wherein the fixing groove (402) and the suspension hole (403) are arranged at the outer end of the end connection frame (401); the end connection frame (401) comprises an end connection frame sleeving groove (401.1), the end connection frame sleeving groove (401.1) is of a T-shaped structure, and the end connection frame sleeving groove (401.1) is formed by surrounding an end connection frame (401.2) of the T-shaped structure. The utility model relates to an end connection gold utensil is used to insulating cross arm of T type combined material for electric power system, it can assemble the insulating cross arm of T type combined material for electric power system to structural design is reasonable, and the fast-assembling operation can be realized in the production of being convenient for.
Description
Technical Field
The utility model relates to an end connection gold utensil is used to insulating cross arm of T type combined material for electric power system belongs to power transmission and transformation equipment technical field.
Background
At present, with the improvement of the manufacturing process level and the material performance of the composite material, the composite material is rapidly popularized in power transmission and transformation projects of various voltage grades in China. The structure that combined material made generally is different hollow structure, adopts through different gold utensils, with its erection joint in the pole main part, traditional combined material insulating cross arm generally is hollow circular or rectangle structure, however in the concrete use of cross arm, its atress mode generally is pressure, consequently when carrying out the atress analysis to traditional hollow circular or rectangle structure's cross arm, it is unreasonable to discover original cross arm structural design, original cross arm structure when the installation in addition, can't realize the fast-assembling operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide an end connection gold utensil for the insulating cross arm of T type combined material for electric power system, it can assemble the insulating cross arm of T type combined material for electric power system to structural design is reasonable, and the fast-assembling operation can be realized in the production of being convenient for.
The purpose of the utility model is realized like this:
a connecting hardware fitting for a T-shaped composite material insulating cross arm for an electric power system comprises an end connecting frame, a fixing groove and a hanging hole, wherein the fixing groove and the hanging hole are formed in the outer end of the end connecting frame;
the end connection frame comprises an end connection frame sleeving groove which is of a T-shaped structure, and the end connection frame sleeving groove is formed by surrounding an end connection frame of the T-shaped structure.
Preferably, the end connection frame rim has an end connection fitting socket flange formed by an outward flange at an end.
Preferably, the fixing groove has an upward U-shaped opening, and a longitudinal direction of the U-shaped opening is perpendicular to a longitudinal direction of the end connection frame.
Preferably, the fixing groove is located above the hanging hole.
Preferably, the fixing groove and the hanging hole are formed at an outer end of the end connection frame, and a total height of the fixing groove and the hanging hole is equal to a height of the end connection frame.
Preferably, the fixing groove and the hanging hole are located at the outer end of the end connecting frame, a supporting table is further arranged between the fixing groove and the hanging hole, the height of the fixing groove and the supporting table is higher than that of the top surface of the end connecting frame, and the height of the top surface of the hanging hole is consistent with that of the top surface of the end connecting frame.
Preferably, the middle part of the supporting platform is inwards recessed to form a circle of winding grooves.
Preferably, the two opposite ends of the bottom of the support platform are respectively provided with a notch to form a winding bayonet.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to an end connection gold utensil is used to insulating cross arm of T type combined material for electric power system, it can assemble the insulating cross arm of T type combined material for electric power system to structural design is reasonable, and the fast-assembling operation can be realized in the production of being convenient for.
Drawings
Fig. 1 is a schematic view of a first form of mounting structure of a T-shaped composite insulating cross arm for an electric power system.
Fig. 2 is a schematic view of a second form of mounting structure of a T-shaped composite insulating cross arm for an electric power system.
Fig. 3 is a schematic structural view of a cross arm mandrel.
Fig. 4 is a schematic diagram of an intermediate link fitting of the upper layer in fig. 1 or fig. 2.
Fig. 5 is another view of fig. 4.
Fig. 6 is a schematic view of an intermediate connection hardware of the lower layer in fig. 1 or fig. 2.
Fig. 7 is a schematic structural view of the cross arm bushing.
Fig. 8 is a schematic view of a first form of end link fitting.
Fig. 9 is a schematic view of a second form of end link fitting.
Wherein:
cross arm core rod 1
An electric pole 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-9, the utility model relates to a T type combined material insulating cross arm for electric power system, it includes cross arm plug 1, cross arm sleeve pipe 2, middle link fitting 3 and end connection fitting 4, cross arm plug 1 and cross arm sleeve pipe 2 are insulating material, wherein the cross section of cross arm plug 1 is T type structure, cross arm plug 1 is combined material injection pultrusion solid core, middle link fitting 3 and end connection fitting 4 are aluminum alloy material, cross arm sleeve pipe 2 has the through-length hole, the cross section of this hole is T type structure, the cross sectional shape of this hole and the cross sectional shape of cross arm plug 1 match each other; the top surface of the T-shaped structure is provided with a convex cambered surface, and all outer frame lines of the T-shaped structure are in arc transition. The outer surface of the cross arm sleeve 2 is provided with a plurality of circles of sheds 201 along the length direction, and the outer edge contour line of the sheds 201 is of a T-shaped structure which is similar to the cross section of the cross arm core rod 1 and is slightly larger.
The middle connecting hardware fitting 3 comprises a middle connecting hardware fitting main body 301 and a middle connecting hardware fitting sleeving part 302 arranged at least one end part of the middle connecting hardware fitting main body 301, at least two mounting holes 301.1 penetrating through the middle connecting hardware fitting main body 301 are arranged on the middle connecting hardware fitting main body 301, the middle connecting hardware fitting main body 301 is of a transversely extending vertical plate structure, the middle connecting hardware fitting sleeving part 302 is provided with a T-shaped slot 302.1, the T-shaped slot 302.1 is surrounded by a T-shaped frame 302.2, the T-shaped frame 302.2 comprises a transverse section and a vertical section, the outline size of the vertical section of the T-shaped frame 302.2 is consistent with the size of the lower half section of the middle connecting hardware fitting main body 301, the outline size of the transverse section of the T-shaped frame 302.2 is formed by extending the upper half section of the middle connecting hardware fitting main body 301 to two sides in an expanding manner, and the T-shaped frame 302.2 has an outward flange at the end part, the flanging at the position forms a middle connecting hardware fitting sleeving part flange 302.3;
the end connection fitting 4 includes an end connection frame 401, a fixing groove 402 and a hanging hole 403, the end connection frame 401 is used for being connected with the cross arm mandrel 1, the fixing groove 402 and the hanging hole 403 are arranged at the outer end of the end connection frame 401, the fixing groove 402 has an upward U-shaped opening, the length direction of the U-shaped opening is perpendicular to the length direction of the cross arm mandrel 1, and the fixing groove 402 is located above the hanging hole 403. The end connection frame 401 comprises an end connection frame sleeving groove 401.1, the end connection frame sleeving groove 401.1 is of a T-shaped structure, the shape of the end connection frame sleeving groove is matched with that of the cross arm core rod 1, the end connection frame sleeving groove 401.1 is formed by surrounding an end connection frame border 401.2 of the T-shaped structure, an outward flange is arranged at the end part of the end connection frame border 401.2 on the connection side of the end connection frame border 401.2 and the cross arm core rod 1, and the flange at the position forms an end connection hardware fitting sleeving part flange 401.3.
The end connection fitting 4 described above has two types:
in a first form:
the fixing groove 402 and the hanging hole 403 are located at the outer end of the end connection frame 401, the fixing groove 402 and the hanging hole 403 are located away from the cross arm mandrel 1, and the total height of the fixing groove 402 and the hanging hole 403 is approximately equal to the height of the end connection frame 401.
Referring to fig. 1, the electric pole 5 is connected to the intermediate link fittings 3 through a hoop or other connecting members, the upper insulating cross arm includes one cross arm core rod 1, one cross arm sleeve 2, one intermediate link fitting 3, and one end link fitting 4, and the lower insulating cross arm includes two cross arm core rods 1, two cross arm sleeves 2, one intermediate link fitting 3, and two end link fittings 4.
In a second form:
the fixing groove 402 and the hanging hole 403 are located at the outer end of the end connecting frame 401, a supporting table 404 is further arranged between the fixing groove 402 and the hanging hole 403, the top and the bottom of the supporting table 404 are approximately circular, the middle of the supporting table 404 is inwards recessed to form a circle of winding grooves 404.1, two opposite ends of the bottom of the supporting table 404 are respectively provided with a notch to form a winding bayonet 404.2, the height of the top surface of the hanging hole 403 is consistent with that of the top surface of the end connecting frame 401, and the height of the fixing groove 402 and the height of the supporting table 404 are higher than that of the top surface of the end connecting frame 401, so that when the electric wire is located on the supporting table 404, a height difference is formed between the electric wire and a cross.
Referring to fig. 2, the electric pole 5 is connected to the intermediate link fittings 3 through the hoop or other connecting members, the insulating cross arm on the upper layer includes one cross arm core rod 1, one cross arm sleeve 2, one intermediate link fitting 3 and one end link fitting 4, and the insulating cross arm on the lower layer includes two cross arm core rods 1, two cross arm sleeves 2, one intermediate link fitting 3 and two end link fittings 4.
A production method of a T-shaped composite material insulating cross arm for an electric power system comprises the following steps:
firstly, respectively producing a cross arm core rod 1, a middle connecting hardware fitting 3 and an end connecting hardware fitting 4;
secondly, mounting the middle connecting hardware fittings 3 and the end connecting hardware fittings 4 at two ends of the cross arm core rod 1;
finally, cladding processing is carried out at the link section of middle link fitting 3 and end link fitting 4 and cross arm plug 1, and including insulating material formation cross arm sleeve pipe 2 in the outside, the both ends of cross arm sleeve pipe 2 extend to middle link fitting cup joint portion flange 302.3 and end link fitting cup joint portion flange 401.3 respectively, therefore the both ends opening part of cross arm sleeve pipe 2 also forms corresponding flange structure.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (8)
1. An end connection fitting for a T-shaped composite material insulating cross arm for an electric power system is characterized by comprising an end connection frame (401), a fixing groove (402) and a hanging hole (403), wherein the fixing groove (402) and the hanging hole (403) are arranged at the outer end of the end connection frame (401);
the end connection frame (401) comprises an end connection frame sleeving groove (401.1), the end connection frame sleeving groove (401.1) is of a T-shaped structure, and the end connection frame sleeving groove (401.1) is formed by surrounding an end connection frame (401.2) of the T-shaped structure.
2. The end connection fitting for the T-shaped composite material insulating cross arm for the electric power system as claimed in claim 1, characterized in that the end connection frame rim (401.2) has an end connection fitting socket flange (401.3) formed by outward flanging at the end.
3. The end connection fitting for the T-shaped composite material insulating cross arm for the electric power system as claimed in claim 1, wherein the fixing groove (402) has an upward U-shaped opening, and the length direction of the U-shaped opening is perpendicular to the length direction of the end connection frame (401).
4. The end connection fitting for the T-shaped composite material insulating cross arm for the electric power system as claimed in claim 1, wherein the fixing groove (402) is located above the hanging hole (403).
5. The end connection fitting for the T-shaped composite material insulating cross arm for the electric power system as claimed in claim 1, wherein the fixing groove (402) and the hanging hole (403) are located at the outer end of the end connection frame (401), and the total height of the fixing groove (402) and the hanging hole (403) is equal to the height of the end connection frame (401).
6. The end link fitting for the T-shaped composite insulating cross arm for the power system as claimed in claim 1, wherein the fixing groove (402) and the hanging hole (403) are located at the outer end of the end link frame (401), a support table (404) is further disposed between the fixing groove (402) and the hanging hole (403), the height of the fixing groove (402) and the height of the support table (404) are higher than the height of the top surface of the end link frame (401), and the height of the top surface of the hanging hole (403) is the same as the height of the top surface of the end link frame (401).
7. The end connection fitting for the T-shaped composite material insulating cross arm for the electric power system as claimed in claim 6, wherein a middle part of the support platform (404) is inwardly recessed to form a circle of winding grooves (404.1).
8. An end connector fitting for a T-shaped composite insulating cross arm used in an electric power system according to claim 6 or 7, characterized in that a notch is formed in each of the two opposite ends of the bottom of the support base (404) to form a winding bayonet (404.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663819.0U CN211229747U (en) | 2019-09-30 | 2019-09-30 | End connecting fitting for T-shaped composite material insulating cross arm for electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663819.0U CN211229747U (en) | 2019-09-30 | 2019-09-30 | End connecting fitting for T-shaped composite material insulating cross arm for electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211229747U true CN211229747U (en) | 2020-08-11 |
Family
ID=71926092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921663819.0U Active CN211229747U (en) | 2019-09-30 | 2019-09-30 | End connecting fitting for T-shaped composite material insulating cross arm for electric power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211229747U (en) |
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2019
- 2019-09-30 CN CN201921663819.0U patent/CN211229747U/en active Active
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