CN215733371U - T-shaped connection fitting for high-voltage overhead line - Google Patents
T-shaped connection fitting for high-voltage overhead line Download PDFInfo
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- CN215733371U CN215733371U CN202121704951.9U CN202121704951U CN215733371U CN 215733371 U CN215733371 U CN 215733371U CN 202121704951 U CN202121704951 U CN 202121704951U CN 215733371 U CN215733371 U CN 215733371U
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- hinge
- overhead line
- groove
- voltage overhead
- lead
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Abstract
The utility model discloses a T-joint fitting for a high-voltage overhead line, which comprises a first component connected with the high-voltage overhead line and a second component connected with a lead, wherein the first component and the second component are rotatably connected to adjust an angle between the high-voltage overhead line and the lead; the first component comprises a first hinge assembly for fixing the high-voltage overhead line and a hinge fixing plate connected with the first hinge assembly; the second component comprises a second hinge assembly for fixing the lead and a hinge rotating plate connected with the second hinge assembly, and the hinge rotating plate is rotatably connected with the hinge fixing plate. The T-joint fitting provided by the utility model can adjust the angle between the high-voltage overhead line and the lead through the rotatable connection between the first member and the second member, so that the lead is prevented from being always bent at the T-joint, the bending stress of the lead is reduced, and the lead is effectively prevented from being fused due to heating.
Description
Technical Field
The utility model relates to the technical field of electric devices, in particular to a T-connection fitting for a high-voltage overhead line.
Background
The high-voltage overhead power line comprises a power transmission line and a power distribution line, and is one of the most important electrical devices in a power system, and the main function of the high-voltage overhead power line is to transmit electric energy. In contrast to a cable line, a high-voltage overhead power line is an electrical device that uses a tower as a support, uses a specific insulator to fixedly hook a metal conductor with good conductivity so as to isolate the metal conductor from the ground, and keeps sufficient distance between the metal conductor and the ground, thereby specially transmitting and allocating electric power to a predetermined area.
In an urban high-voltage distribution network, a 10kV system is mainly used as a main transmission network system, 10kV voltage is usually connected to a high-voltage circuit breaker through a lead, an overhead line and the lead form a T contact, and a parallel groove clamp fitting is needed to complete connection. The existing parallel groove clamp hardware fitting can only be connected with an overhead line in parallel, then the other end of the existing parallel groove clamp hardware fitting is connected to electric equipment by the bending degree of a lead, and because the lead and the overhead line are steel-cored aluminum stranded wires and the steel wire of the wire core bears gravity and pulling force, the outer layer cannot bear larger stress, particularly bending stress, and the larger the stress is from the mechanical point of view, the lower the damage limit of a component is. Because the lead wire is in crooked state all the time at the tie point, and then the weight of lead wire self, bending stress will appear in the junction, long-time electrified operation, the phenomenon of generating heat will appear in the junction, and the power that can bear reduces, and in addition under the big adverse circumstances of wind-force, has accelerated the not hard up and the fracture of tie point, easily causes the resistance increase of tie point, generates heat, thoroughly fuses the lead wire to the low voltage system lacks the looks, influences the normal operating of consumer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a T-shaped clamp for a high-voltage overhead line, which aims to solve the problem that a lead is bent for a long time and is easy to generate heat and fuse due to the parallel connection of the existing parallel groove clamp and an overhead line.
In order to achieve the above purpose, the utility model provides the following technical scheme: a T-joint fitting for a high-voltage overhead line, the T-joint fitting comprising a first member connected with the high-voltage overhead line and a second member connected with a lead, the first member and the second member being rotatably connected to adjust an angle between the high-voltage overhead line and the lead;
the first component comprises a first hinge assembly for fixing the high-voltage overhead line and a hinge fixing plate connected with the first hinge assembly;
the second component comprises a second hinge assembly for fixing the lead and a hinge rotating plate connected with the second hinge assembly, and the hinge rotating plate is rotatably connected with the hinge fixing plate.
Further, the first hinge assembly comprises a first hinge provided with a first groove and a second hinge connected with the first hinge and provided with a second groove, a first accommodating space is defined by the first groove and the second groove to accommodate the high-voltage overhead line, and the hinge fixing plate is connected with the second groove of the second hinge.
Furthermore, the first hinge is fixedly connected with the second hinge through a first screw rod.
Furthermore, tooth-shaped lines are arranged in the first groove and/or the second groove.
Furthermore, the hinge fixing plate is connected with the hinge rotating plate through a second screw rod, and the hinge rotating plate rotates relative to the hinge fixing plate by taking the second screw rod as an axis.
Furthermore, a first through hole is formed in the hinge fixing plate, a second through hole is formed in the hinge rotating plate, and a third screw penetrates through the first through hole and the second through hole to fix the hinge fixing plate and the hinge rotating plate.
Further, the second hinge assembly comprises a third hinge provided with a third groove and a fourth hinge connected with the third hinge and provided with a fourth groove, a second accommodating space is defined by the third groove and the fourth groove to accommodate the lead, and the hinge rotating plate is connected with the third groove of the third hinge.
Furthermore, the third hinge is connected with the fourth hinge through a fourth screw rod.
Furthermore, tooth-shaped lines are arranged in the third groove and/or the fourth groove.
Further, the second component further comprises a spring connected with the second hinge assembly, and the spring is sleeved outside the lead.
Compared with the prior art, the T-shaped connecting fitting for the high-voltage overhead line has the following advantages:
the T-joint fitting provided by the utility model can adjust the angle between the high-voltage overhead line and the lead through the rotatable connection between the first member and the second member, is suitable for various severe environments, avoids the lead from being always in a bent state at a T joint, reduces the bending stress of the lead, effectively prevents the lead from being fused due to heating, prolongs the service life of the lead, and ensures the normal operation of electric equipment.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. In the drawings:
fig. 1 is an exploded structural schematic diagram of a T-joint fitting for a high-voltage overhead line according to a preferred embodiment of the present invention.
Reference numerals:
1 high-voltage overhead line, 2 lead wires, 3 first member, 31 first hinge assembly, 311 first hinge, 3111 first groove, 312 second hinge, 3121 second groove, 32 hinge fixing plate, 321 first through hole, 4 second member, 41 second hinge assembly, 411 third hinge, 4111 third groove, 412 fourth hinge, 4121 fourth groove, 42 hinge rotating plate, 421 second through hole and 43 spring.
Detailed Description
The present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific examples described in the following embodiments of the present invention are merely illustrative of specific embodiments of the present invention and do not limit the scope of the utility model.
The utility model is further described with reference to the following figures and detailed description of embodiments.
As shown in fig. 1, fig. 1 is an exploded schematic view of a T-joint fitting for a high-voltage overhead line according to a preferred embodiment of the present invention.
The present embodiment provides a T-joint fitting for a high-voltage overhead wire, which includes a first member 3 connected to a high-voltage overhead wire 1 and a second member 4 connected to a lead wire 2, wherein the first member 3 and the second member 4 are rotatably connected to adjust an angle between the high-voltage overhead wire 1 and the lead wire 2;
the first member 3 includes a first hinge assembly 31 for fixing the high-voltage overhead wire 1, and a hinge fixing plate 32 connected to the first hinge assembly 31;
the second member 4 includes a second hinge assembly 41 for fixing the lead 2, and a hinge rotation plate 42 connected to the second hinge assembly 41, and the hinge rotation plate 42 is rotatably connected to the hinge fixing plate 32.
The application provides a T connects gold utensil establishes to rotatable coupling thereby can adjust the angle between high-pressure overhead line and the lead wire between through first component and the second component, is applicable to various adverse circumstances, avoids the lead wire to be the bending state all the time at the T contact, has reduced the bending stress of lead wire, and the effectual lead wire that prevents fuses because of generating heat prolongs the life of lead wire, ensures the normal operating of consumer.
The high-voltage overhead line 1 is an electrical device for transmitting electric power and supplying and distributing electric power to a predetermined area. In the present embodiment, the high voltage overhead wire 1 supplies 10 kV.
The lead 2 is used to connect the 10kV voltage provided by the high voltage overhead line 1 to a high voltage circuit breaker for conversion to a voltage (220V or 380V) suitable for the needs of the unit or individual. The high-voltage overhead line 1 and the lead 2 are connected through the T-shaped hardware fitting.
In the first member 3, the first hinge assembly 31 includes a first hinge 311 having a first groove 3111, and a second hinge 312 connected to the first hinge 311 and having a second groove 3121, the first groove 3111 and the second groove 3121 enclose a first receiving space to receive the high-voltage overhead line 1, and the hinge fixing plate 32 is connected to the second groove 3121 of the second hinge 312, so that the installation is simple and the connection is firm.
The hinge is characterized in that a plurality of screw holes are uniformly distributed on the first hinge 311, a plurality of screw holes are uniformly distributed on the second hinge 312, the screw holes correspond to the screw holes, the first hinge 311 is fixedly connected with the second hinge 312 through a first screw, the first screw is multiple and penetrates through the screw holes on the first hinge 311 and the second hinge 312 respectively.
In this embodiment, tooth-shaped lines are disposed in the first groove 3111 and the second groove 3121 to increase a contact area between the high-voltage overhead line 1 and the T-joint fitting and reduce the resistance, and of course, only the first groove 3111 or the second groove 3121 may be disposed with tooth-shaped lines according to actual situations.
Hinge fixed plate 32 is triangle-shaped, a side with second recess 3121 on the second hinge 312 is connected, with the apex angle department that the side corresponds is equipped with the screw hole, hinge rotor plate 42 is fan-shaped, its fan-shaped region with the triangle-shaped region of hinge fixed plate 32 laminates mutually, and its centre of a circle department is equipped with corresponding screw hole, hinge fixed plate 32 with hinge rotor plate 42 is through running through the second screw connection in screw hole, hinge rotor plate 42 with the second screw is the axle for hinge fixed plate 32 is rotatory, through rotatory hinge rotor plate 42 is adjusted high pressure overhead line 1 with angle between the lead wire 2, adjustable range is 0-70 degrees.
Of course, in other embodiments, the hinge fixing plate 32 and the hinge rotating plate 42 may have the same shape or different shapes, or may have other shapes and may be rotatable with respect to each other.
Hinge fixed plate 32 is last to be equipped with first through-hole 321, be equipped with second through-hole 421 on the hinge rotor plate 42, the third screw rod runs through first through-hole 321 with second through-hole 421 will hinge fixed plate 32 with hinge rotor plate 42 is fixed, the third screw rod can be a plurality of, further strengthens hinge fixed plate 32 with the stability of hinge rotor plate 42.
In this embodiment, the first through holes 321 have an arc shape and the second through holes 421 have the same arc shape, but in other embodiments, the first through holes 321 and the second through holes 421 may have other shapes or different shapes, and the hinge rotation plate 42 may be fixed to the hinge fixing plate 32 after the hinge rotation plate 42 is rotated to a proper angle.
The second hinge assembly 41 includes a third hinge 411 having a third groove 4111, and a fourth hinge 412 connected to the third hinge 411 and having a fourth groove 4121, the third groove 4111 and the fourth groove 4121 form a second receiving space for receiving the lead 2, and the hinge rotation plate 42 is connected to the third groove 4111 of the third hinge 411.
Be equipped with a plurality of evenly distributed's screw rod hole on the third hinge 411, be equipped with a plurality of evenly distributed's that correspond with it screw rod hole on the fourth hinge 412, third hinge 411 with through fourth screw rod fixed connection between the fourth hinge 412, the fourth screw rod is a plurality of, runs through respectively the third hinge 411 with screw rod hole on the fourth hinge 412.
In this embodiment, both the third groove 4111 and the fourth groove 4121 are provided with tooth-shaped lines to increase the contact area between the lead 2 and the T-joint fitting and reduce the resistance, but it is also possible to only provide the third groove 4111 or the fourth groove 4121 with tooth-shaped lines according to practical situations.
The second member 4 further includes a spring 43 connected to the second hinge assembly 41, and the spring 43 is sleeved outside the lead 2. The spring 43 is connected to the third hinge 411 to enhance stability, and the spring 43 reduces the swinging stress of the lead 2, so that the swinging amplitude of the lead 2 can be reduced even in a strong wind environment.
The pipe diameter of the spring 43 is slightly larger than the diameter of the lead wire 2, so that the spring 43 can be taken out conveniently for replacement.
When the T-joint hardware fitting is installed, the first hinge assembly 31 of the first component 3 is fixedly connected with the high-voltage overhead line 1 on a high-voltage line, the hinge rotating plate 42 of the second component 4 is attached to the hinge fixing plate 32 of the first component 3, the hinge rotating plate and the hinge fixing plate are rotated to a proper angle and then fixedly connected through the second screw, and finally the spring 43 is sleeved on the lead wire 2, the spring 43 is fixedly connected with the second hinge assembly 41, and the lead wire 2 is fixedly connected with the second hinge assembly 41. The installation number of the T-shaped fittings can be set to be a plurality according to actual conditions.
The T-connection hardware fitting is verified to be cast by an aluminum material, and the mechanical strength F is larger than K F, wherein F is the damage load of the T-connection hardware fitting, K is a safety coefficient, and F is a design load.
It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim.
Claims (10)
1. A T-joint fitting for a high-voltage overhead line, characterized in that the T-joint fitting comprises a first member (3) connected with the high-voltage overhead line (1) and a second member (4) connected with a lead (2), the first member (3) and the second member (4) being rotatably connected to adjust an angle between the high-voltage overhead line (1) and the lead (2);
the first component (3) comprises a first hinge assembly (31) for fixing the high-voltage overhead line (1) and a hinge fixing plate (32) connected with the first hinge assembly (31);
the second member (4) comprises a second hinge assembly (41) for fixing the lead (2) and a hinge rotating plate (42) connected with the second hinge assembly (41), and the hinge rotating plate (42) is rotatably connected with the hinge fixing plate (32).
2. The T-joint fitting for the high-voltage overhead line according to claim 1, wherein the first hinge assembly (31) comprises a first hinge (311) provided with a first groove (3111) and a second hinge (312) connected with the first hinge (311) and provided with a second groove (3121), the first groove (3111) and the second groove (3121) enclose a first accommodating space for accommodating the high-voltage overhead line (1), and the hinge fixing plate (32) is connected with the second groove (3121) of the second hinge (312).
3. The T-joint fitting for the high-voltage overhead line according to claim 2, wherein the first hinge (311) is fixedly connected with the second hinge (312) through a first screw.
4. The T-joint fitting for the high-voltage overhead line according to claim 2, wherein a toothed texture is provided in the first groove (3111) and/or the second groove (3121).
5. The T-joint fitting for the high-voltage overhead line according to claim 1, wherein the hinge fixing plate (32) is connected with the hinge rotating plate (42) through a second screw, and the hinge rotating plate (42) rotates relative to the hinge fixing plate (32) with the second screw as an axis.
6. The T-joint fitting for the high-voltage overhead line according to claim 1, wherein a first through hole (321) is formed in the hinge fixing plate (32), a second through hole (421) is formed in the hinge rotating plate (42), and a third screw penetrates through the first through hole (321) and the second through hole (421) to fix the hinge fixing plate (32) and the hinge rotating plate (42).
7. The T-joint fitting for the high-voltage overhead line according to claim 1, wherein the second hinge assembly (41) comprises a third hinge (411) provided with a third groove (4111) and a fourth hinge (412) connected with the third hinge (411) and provided with a fourth groove (4121), the third groove (4111) and the fourth groove (4121) enclose a second accommodating space for accommodating the lead (2), and the hinge rotary plate (42) is connected with the third groove (4111) of the third hinge (411).
8. The T-joint fitting for the high-voltage overhead line of claim 7, wherein the third hinge (411) is connected with the fourth hinge (412) through a fourth screw.
9. The T-joint fitting for the high-voltage overhead line according to claim 7, wherein the third groove (4111) and/or the fourth groove (4121) is/are provided with a toothed texture.
10. The T-joint fitting for the high-voltage overhead line according to claim 1, wherein the second member (4) further comprises a spring (43) connected with the second hinge assembly (41), and the spring (43) is sleeved outside the lead (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121704951.9U CN215733371U (en) | 2021-07-26 | 2021-07-26 | T-shaped connection fitting for high-voltage overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121704951.9U CN215733371U (en) | 2021-07-26 | 2021-07-26 | T-shaped connection fitting for high-voltage overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215733371U true CN215733371U (en) | 2022-02-01 |
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ID=79989436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121704951.9U Active CN215733371U (en) | 2021-07-26 | 2021-07-26 | T-shaped connection fitting for high-voltage overhead line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215733371U (en) |
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2021
- 2021-07-26 CN CN202121704951.9U patent/CN215733371U/en active Active
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