A type of T-shaped insulating crossarm fitting

Abstract

This utility model discloses a T-type insulating crossarm hardware, including a crossarm hardware body and a fixing plate. The rear end of the crossarm hardware body is fixedly connected to the fixing plate, and a support plate is fixedly connected to the rear side of the fixing plate. A clamp is connected to the rear side of the support plate, and insulators are symmetrically connected to the top of the crossarm hardware body. It can be used for installation and positioning on utility poles of different sizes. With the help of the reinforcing ribs, the strength of the clamp can be effectively improved, avoiding deformation due to compression. It can improve the insulation effect of the crossarm, preventing leakage during the use, installation, and disassembly of the metal crossarm. It can dissipate the high temperature generated by the crossarm, and the ventilation holes can improve the airflow between the heat dissipation fins. It can also improve the strength of the crossarm and prevent deformation or denting of the crossarm during use.

Description

Technical Field

[0001] This utility model relates to the field of crossarm technology, specifically to a T-type insulating crossarm fitting. Background Technology

[0002] Crossarms are an important component of towers. Their function is to install insulators and fittings to support conductors and lightning protection wires and to maintain a certain safe distance between them as required.

[0003] In the prior art, application number 202022600990.6 discloses a T-type composite insulated crossarm for power distribution lines, including crossarm fixing hardware. One end of the crossarm fixing hardware is provided with a crossarm base, the middle of the crossarm fixing hardware is provided with a core rod, and the other end of the crossarm fixing hardware is provided with a cap. The mounting clip of the above device requires drilling holes in the utility pole for installation, which is time-consuming and labor-intensive. It cannot adjust the internal structure of the mounting clip according to the size of the utility pole, and its insulation and heat dissipation effects on the crossarm are insufficient. It is also prone to danger during disassembly and installation.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in the related technologies, this utility model proposes a T-type insulating crossarm fitting to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A T-type insulating crossarm fitting includes a crossarm fitting body and a fixing plate. The rear end of the crossarm fitting body is fixedly connected to the fixing plate. A support plate is fixedly connected to the rear side of the fixing plate. A clamp is connected to the rear side of the support plate. Insulators are symmetrically connected to the top of the crossarm fitting body.

[0008] Preferably, the clamp includes a U-shaped connecting plate and a first threaded rod. The first threaded rod is respectively disposed on the left and right edges of the front part of the U-shaped connecting plate. The first threaded rod movably passes through the four corners of the front side of the support plate, and a locking nut is threaded on the outer end.

[0009] Preferably, a positioning plate is fixedly connected to the rear side of the inner wall of the U-shaped connecting plate, the front side of the positioning plate is an arc-shaped surface, and a reinforcing rib is fixedly connected to the inner wall of the positioning plate, with the rear side of the reinforcing rib fixedly connected to the rear side of the inner wall of the U-shaped connecting plate.

[0010] Preferably, the U-shaped connecting plate has through openings at equal intervals on both the left and right sides, and washers are attached to the outer and inner sides of the through openings, and a second threaded rod is movably sleeved between the washers, with positioning nuts threaded on the outer walls of both ends of the second threaded rod.

[0011] Preferably, the main body of the crossarm fitting includes an L-shaped insulating pad and a crossarm, the inner side of the L-shaped insulating pad is fixedly connected to the outer wall of the crossarm, and a heat dissipation vent is provided through the bottom side of the inner wall of the L-shaped insulating pad.

[0012] Preferably, the bottom edge of the crossarm is equidistantly connected with heat dissipation fins, and the outer wall of the heat dissipation fins is provided with ventilation holes. The heat dissipation fins are disposed inside the heat dissipation opening and penetrate the bottom side of the L-shaped insulating pad.

[0013] Preferably, a reinforcing column is connected to the front side of the fixing plate, a threaded groove is provided on the outer wall of the rear end of the reinforcing column, a threaded hole is provided in the middle of the front side of the fixing plate, and the reinforcing column is threadedly connected to the threaded hole through the threaded groove.

[0014] Preferably, a support platform is connected to the top side of the reinforcing column, and an arc-shaped groove is excavated on the bottom side of the support platform. The support platform is movably fitted with the outer wall of the reinforcing column through the arc-shaped groove, and the top side of the support platform is movably abutted against the top side of the inner wall of the crossbeam.

[0015] The beneficial effects of this utility model are as follows: it can be applied to the installation and positioning of utility poles of different sizes, and under the action of the reinforcing ribs, it can effectively improve the strength of the clamps and avoid deformation due to compression. It can improve the insulation effect of the crossarm and avoid leakage during the use, installation and disassembly of the metal crossarm. It can also improve the strength of the crossarm and prevent deformation and dents during use. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of a T-type insulating crossarm fitting according to an embodiment of the present utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of a T-type insulating crossarm fitting according to an embodiment of the present utility model;

[0019] Figure 3This is a schematic diagram of the disassembled structure of the main body of a T-type insulating crossarm fitting according to an embodiment of the present utility model;

[0020] Figure 4 This is a schematic diagram of the appearance structure of the fixing plate of a T-type insulating crossarm fitting according to an embodiment of the present utility model.

[0021] In the picture:

[0022] 1. Crossarm fitting body; 2. Fixing plate; 3. Support plate; 4. Clamp; 5. Insulator; 6. U-shaped connecting plate; 7. First threaded rod; 8. Locking nut; 9. Positioning plate; 10. Reinforcing rib; 11. Through port; 12. Washer ring; 13. Second threaded rod; 14. Positioning nut; 15. L-shaped insulating pad; 16. Crossarm; 17. Heat dissipation port; 18. Heat dissipation fins; 19. Ventilation hole; 20. Reinforcing column; 21. Threaded groove; 22. Support platform; 23. Arc-shaped groove. Detailed Implementation

[0023] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to an embodiment of the present invention, a T-type insulating crossarm fitting is provided. Example 1

[0025] like Figure 1-4As shown, a T-shaped insulating crossarm fitting according to an embodiment of the present invention includes a crossarm fitting body 1 and a fixing plate 2. The rear end of the crossarm fitting body 1 is fixedly connected to the fixing plate 2. A support plate 3 is fixedly connected to the rear side of the fixing plate 2. A clamp 4 is connected to the rear side of the support plate 3. Insulators 5 are symmetrically connected to the top of the crossarm fitting body 1. The clamp 4 includes a U-shaped connecting plate 6 and a first threaded rod 7. The first threaded rod 7 is respectively disposed on the left and right edges of the front part of the U-shaped connecting plate 6. The first threaded rod 7 movably passes through the four corners of the front side of the support plate 3, and a locking nut 8 is threaded on the outer end. A positioning plate 9 is fixedly connected to the rear side of the inner wall of the U-shaped connecting plate 6. The front side of the positioning plate 9 is an arc-shaped surface, and a reinforcing rib 10 is fixedly connected to the inner wall of the positioning plate 9. The rear side of the reinforcing rib 10 is fixedly connected to the rear side of the inner wall of the U-shaped connecting plate 6. Through-holes are equidistantly provided on the left and right sides of the U-shaped connecting plate 6. The opening 11 has washers 12 attached to its outer and inner sides, and a second threaded rod 13 is movably sleeved between the washers 12. The outer walls of the two ends of the second threaded rod 13 are threaded with positioning nuts 14. The main body 1 of the crossarm hardware is attached to the outer wall of the utility pole through the support plate 3. The U-shaped connecting plate 6 is connected and fixed by the first threaded rod 7 through the support plate 3 and the locking nut 8. The position of the second threaded rod 13 inside the opening 11 can be flexibly adjusted according to the diameter of the utility pole so that the second threaded rod 13 abuts against the front side of the utility pole. Then, washers 12 are sleeved at both ends and positioning nuts 14 are screwed on so that the second threaded rod 13 and the positioning plate 9 can clamp and position the utility pole. It can be used for the installation and positioning of utility poles of different sizes. In addition, with the help of the reinforcing rib plate 10, the strength of the clamp 4 can be effectively improved, and deformation due to compression can be avoided. Example 2

[0026] like Figure 1-4As shown, a T-type insulating crossarm fitting according to an embodiment of the present invention includes a crossarm fitting body 1 and a fixing plate 2. The rear end of the crossarm fitting body 1 is fixedly connected to the fixing plate 2. A support plate 3 is fixedly connected to the rear side of the fixing plate 2. A clamp 4 is connected to the rear side of the support plate 3. Insulators 5 are symmetrically connected to the top of the crossarm fitting body 1. The crossarm fitting body 1 includes an L-shaped insulating pad 15 and a crossarm 16. The inner side of the L-shaped insulating pad 15 is fixedly connected to the outer wall of the crossarm 16. A heat dissipation vent 17 is provided through the bottom side of the inner wall of the L-shaped insulating pad 15. Heat dissipation fins 18 are equidistantly connected to the bottom edge of the crossarm 16 for heat dissipation. Ventilation holes 19 are provided through the outer wall of the fins 18. The heat dissipation fins 18 are located inside the heat dissipation port 17 and penetrate the bottom side of the L-shaped insulating pad 15. The main body 1 of the crossarm hardware is composed of the L-shaped insulating pad 15 and the crossarm 16. Under the action of the L-shaped insulating pad 15, the insulation effect of the crossarm 16 can be improved, and leakage of the metal crossarm 16 during use, installation and disassembly can be avoided. Under the action of the heat dissipation fins 18 and the ventilation holes 19 thereon, the high temperature generated by the crossarm 16 can be dissipated. The ventilation holes 19 can improve the air circulation between the heat dissipation fins 18. Example 3

[0027] like Figure 1-4 As shown, a T-type insulating crossarm fitting according to an embodiment of the present invention includes a crossarm fitting body 1 and a fixing plate 2. The rear end of the crossarm fitting body 1 is fixedly connected to the fixing plate 2. A support plate 3 is fixedly connected to the rear side of the fixing plate 2. A clamp 4 is connected to the rear side of the support plate 3. Insulators 5 are symmetrically connected to the top of the crossarm fitting body 1. A reinforcing column 20 is connected to the front side of the fixing plate 2. A threaded groove 21 is provided on the outer wall of the rear end of the reinforcing column 20. A threaded hole groove is carved in the middle of the front side of the fixing plate 2, and the reinforcing column 20 passes through the threaded groove 21 and the threaded hole groove. The reinforcing column 20 is connected to a support platform 22 on its top side with matching threaded connections. The bottom side of the support platform 22 has an arc-shaped groove 23, which is movably fitted into the outer wall of the reinforcing column 20 through the arc-shaped groove 23. The top side of the support platform 22 movably abuts against the top side of the inner wall of the crossbeam 16. The front side of the fixing plate 2 is connected by threaded groove 21 of the reinforcing column 20. The support platform 22 set at the top of the reinforcing column 20 abuts against and supports the top side of the inner wall of the crossbeam 16, which can improve the strength of the crossbeam 16 and prevent the crossbeam 16 from deforming or denting during use.

[0028] In summary, with the help of the above-mentioned technical solution of this utility model, when this device is in use, the main body 1 of the crossarm fitting is attached to the outer wall of the utility pole through the support plate 3. The U-shaped connecting plate 6 is connected and fixed by the first threaded rod 7 passing through the support plate 3 and the locking nut 8. The position of the second threaded rod 13 inside the through-hole 11 is flexibly adjusted according to the diameter of the utility pole so that the second threaded rod 13 abuts against the front side of the utility pole. Then, washers 12 are respectively fitted at both ends, and positioning nuts 14 are tightened so that the second threaded rod 13 can be positioned with the positioning plate 9. The crossarm hardware body 1 is composed of an L-shaped insulating pad 15 and a crossarm 16 for clamping and positioning the utility pole. The L-shaped insulating pad 15 can improve the insulation effect of the crossarm 16. The heat dissipation fins 18 and the ventilation holes 19 thereon can dissipate the high temperature generated by the crossarm 16. The front side of the fixing plate 2 is threadedly connected by the threaded groove 21 of the reinforcing column 20. The support platform 22 set on the top of the reinforcing column 20 abuts against and supports the top side of the inner wall of the crossarm 16, which can improve the strength of the crossarm 16.

[0029] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A T-type insulating crossarm fitting, comprising a crossarm fitting body (1) and a fixing plate (2), characterized in that, The rear end of the crossarm fitting body (1) is fixedly connected to the fixing plate (2), the rear side of the fixing plate (2) is fixedly connected to the support plate (3), the rear side of the support plate (3) is connected to the clamp (4), and the top of the crossarm fitting body (1) is symmetrically connected to the insulator (5). The clamp (4) includes a U-shaped connecting plate (6) and a first threaded rod (7). The first threaded rod (7) is respectively located on the left and right edges of the front part of the U-shaped connecting plate (6). The first threaded rod (7) moves through the four corners of the front side of the support plate (3) and the outer end is threaded with a locking nut (8). A positioning plate (9) is fixedly connected to the rear side of the inner wall of the U-shaped connecting plate (6). The front side of the positioning plate (9) is an arc-shaped surface, and a reinforcing rib (10) is fixedly connected to the inner wall of the positioning plate (9). The rear side of the reinforcing rib (10) is fixedly connected to the rear side of the inner wall of the U-shaped connecting plate (6).

2. The T-type insulating crossarm fitting according to claim 1, characterized in that, The U-shaped connecting plate (6) has through openings (11) at equal intervals on its left and right sides. Washers (12) are attached to the outer and inner sides of the through openings (11). A second threaded rod (13) is movably sleeved between the washers (12). Positioning nuts (14) are threaded on the outer walls of both ends of the second threaded rod (13).

3. A T-type insulating crossarm fitting according to claim 2, characterized in that, The main body (1) of the crossarm hardware includes an L-shaped insulating pad (15) and a crossarm (16). The inner side of the L-shaped insulating pad (15) is fixedly connected to the outer wall of the crossarm (16), and a heat dissipation vent (17) is provided through the bottom side of the inner wall of the L-shaped insulating pad (15).

4. A T-type insulating crossarm fitting according to claim 3, characterized in that, The bottom edge of the crossarm (16) is equidistantly connected with heat dissipation fins (18), and the outer wall of the heat dissipation fins (18) is provided with ventilation holes (19). The heat dissipation fins (18) are located inside the heat dissipation port (17) and penetrate the bottom side of the L-shaped insulating pad (15).

5. A T-type insulating crossarm fitting according to claim 4, characterized in that, The front side of the fixing plate (2) is connected to a reinforcing column (20). The outer wall of the rear end of the reinforcing column (20) is provided with a threaded groove (21). The middle of the front side of the fixing plate (2) is provided with a threaded hole groove, and the reinforcing column (20) is threadedly connected to the threaded hole groove through the threaded groove (21).

6. A T-type insulating crossarm fitting according to claim 5, characterized in that, The top side of the reinforcing column (20) is connected to a support platform (22). The bottom side of the support platform (22) is provided with an arc-shaped groove (23), and the support platform (22) is movably fitted with the outer wall of the reinforcing column (20) through the arc-shaped groove (23). The top side of the support platform (22) is movably abutted against the top side of the inner wall of the crossbeam (16).

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