CN116345376A - A multi-dimensional vibration-damping pre-twisted spacer bar - Google Patents

Abstract

The invention belongs to the technical field of spacer rods, and discloses a multi-dimensional vibration reduction preformed spacer rod which comprises a first semicircular wire clamp and a second semicircular wire clamp, wherein two ends of the first semicircular wire clamp and the second semicircular wire clamp are rotationally connected with at least two first connectors; the two ends of the first semicircular outer sleeve and the second semicircular outer sleeve are rotatably connected with at least two second connectors; a first telescopic rod is fixedly connected between the first connector and the second connector, and a first spring is sleeved on the first telescopic rod; the first semicircular wire clamp and the second semicircular wire clamp are positioned on the inner sides of the first semicircular outer sleeve and the first semicircular outer sleeve. When vibration comes, the vibration between the wires can be restrained temporarily, and the damage of the transmission line caused by vibration and mutual whip between the wires is avoided.

Description

A multi-dimensional vibration-damping pre-twisted spacer bar

technical field

The invention belongs to the technical field of spacer rods, and in particular relates to a multi-dimensional vibration-damping pre-twisted spacer rod.

Background technique

The spacer is an insulating support that is supported between two-phase conductors and controls the distance between the two-phase conductors. Long-distance, high-capacity ultra-high voltage transmission lines use two, four or more split conductors for each phase conductor; currently 220KV and 330KV transmission lines use two-split conductors, and 500KV transmission lines use three-split and four-split conductors. The 500KV ultra-high voltage transmission line adopts six-split and more split wires; in order to ensure that the distance between the split wire bundles remains unchanged to meet the electrical performance, reduce the surface potential gradient, and in the case of short circuit, no electromagnetic force will be generated between the wire bundles. Cause mutual attraction collision, or although cause momentary attraction collision, but promptly can return to normal state after the accident eliminates, thereby spacer rods are installed at a certain distance in the gear span.

For example, the patent publication number CN112821332A discloses a pre-twisted spacer bar, including a support frame, a wire clip, and a pre-twisted wire; Between the parts, and the support plate and the connecting part are connected by bolts; the two clamps are installed on the two ends of the support frame respectively; the clamps include a wire frame, a positioning frame, a semicircular block and screw rod; the positioning frame is installed on the support frame through bolts, two semi-circular rings are installed with wire frame and one end of the fixed block respectively, and the two semi-circular rings are hinged, and the screw rod is installed The wire frame is connected with the fixed block, and a positioning frame is installed between the wire frame, the fixed block and the semicircular ring on it, and the pre-twisted wire passes through the positioning frame and is wound on the cable.

In the above-mentioned patents, due to the lack of buffers, the effect of suppressing the swing between the wires is not ideal when the vibration comes, resulting in vibration between the wires and mutual whipping, resulting in damage to the transmission line.

Contents of the invention

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a multi-dimensional vibration-damping pre-twisted spacer, which solves the problem that the effect of suppressing the swing between the conductors is not ideal due to the lack of buffer parts in the prior art when the vibration comes. , causing vibration between the wires and whipping each other to cause damage to the transmission line.

The purpose of the present invention can be achieved through the following technical solutions:

A multi-dimensional vibration-damping pre-twisted spacer bar, comprising:

A first semicircular wire clamp, at least two first connectors are rotatably connected to both ends of the first semicircular wire clamp;

a second semicircular wire clip, at least two of the first connectors are rotatably connected to both ends of the second semicircular wire clip;

A first semicircular jacket, the two ends of the first semicircular jacket are rotatably connected with at least two second connectors;

a second semicircular jacket, at least two of the second connectors are rotatably connected to both ends of the second semicircular jacket;

A first telescopic rod is fixedly connected between the first connector and the second connector, and a first spring is sleeved on the first telescopic rod;

The detachable connection between the first semicircular wire clip and the second semicircular wire clip, the detachable connection between the first semicircular jacket and the first semicircular jacket, The first semicircular wire clip and the second semicircular wire clip are located inside the first semicircular jacket and the first semicircular jacket.

Above-mentioned technical scheme, its principle and technical effect:

When in use, first place the wires on the inside of the first semicircular clamp and the second semicircular clamp to align the first semicircular clamp with the second semicircular clamp, and connect the first bolt and the second semicircular clamp together. The fastening of the first nut fastens the wires to the inner sides of the first semicircular wire clamp and the second semicircular wire clamp, and at the same time aligns the first semicircular outer jacket with the second semicircular outer jacket. Together, through the fastening of the second bolt and the second nut, the first semicircular jacket and the second semicircular jacket are fastened together. When the conductor is shaken by external wind force, earthquake, etc., the first The semicircular wire clamp and the second semicircular wire clamp follow the swing and shake. At this time, the first semicircular wire clamp and the second semicircular wire clamp are cooperated by the first telescopic rod and the first spring around them, and the second semicircular wire clamp is matched with the first spring. The semi-circular wire clip and the second semi-circular wire clip are subjected to multi-dimensional vibration damping, thereby slowing down the swinging and shaking of the wire. When the vibration comes, it can suppress the swing between the wires, avoiding the vibration between the wires and mutual whipping to cause damage to the transmission line.

Further, the opening edge of the first semicircular wire clamp and the second semicircular wire clamp is fixedly connected to the first connecting plate, and the two ends of the first connecting plate are provided with first through holes, and the first The bolt passes through the first through hole and is threadedly connected with the first nut.

Further, both ends of the first connecting plate extend to the outside of both ends of the first semicircular wire clamp and the second semicircular wire clamp.

Further, the opening edge of the first semicircular outer casing and the second semicircular outer casing are fixedly connected to a second connecting plate, and a second through hole is opened on the second connecting plate, and the second bolt passes through the second connecting plate. The second through hole is threadedly connected with the second nut.

Further, the insides of the first semicircular casing and the second semicircular casing are circular, and the first telescopic rods are evenly distributed along the counterclockwise direction.

Further, one end of the first spring is fixedly connected to the first connector, and the other end is fixedly connected to the second connector.

Further, the outer surface of the second semicircular jacket is fixedly connected to a fixing plate, and the peripheral side of the fixing plate is fixedly connected to a limit pin, and a connecting plate is slidably connected to the limit pin, and the fixing plate is connected to the fixed plate. A second telescopic rod is fixedly connected between the connecting plates, and a second spring is sheathed on the outside of the second telescopic rod.

Further, one end of the second spring is fixedly connected to the fixing plate, and the other end is fixedly connected to the connecting plate.

Further, the outer end of the connecting plate is fixedly connected with a sleeve, the inner side of the sleeve is a hollow structure, the other end of the sleeve is rotatably connected with a rotating part, and the inner side of the rotating part is provided with an internal thread, so The internal thread on the inner side of the rotating part is threadedly connected with the external thread of the threaded rod.

Further, there are two threaded rods, the two threaded rods are on the same axis, and the adjacent ends of the two threaded rods are fixedly connected with a connecting block.

The nouns, conjunctions or adjectives involved in the above technical solutions are explained as follows:

A fixed connection is a connection in which there is no relative movement after the parts or components are fixed. It is divided into detachable connection and non-detachable two kinds.

(1) The detachable connection is to use screws, splines, wedge pins, etc. to fix the parts together. This connection can be disassembled for maintenance without damaging the parts. However, the specifications of the connecting parts used must be correct (such as the length of bolts, keys, and wedge pins), and they must be properly tightened.

(2) Non-detachable connections mainly refer to welding, riveting and tenon fit. Since forging, sawing or oxygen cutting is required for disassembly during maintenance or replacement, spare parts generally cannot be used twice. At the same time, when connecting, attention should be paid to process quality, technical testing and remedial measures (such as correction, polishing, etc.).

Threaded connection refers to a detachable connection that connects the connected parts together with a screw (or the threaded part of the connected part).

Sliding connection means that two objects are in contact, but not fixed, and the two can slide relative to each other.

A rotational connection is a connection between parts that allows the parts to rotate relative to each other.

Beneficial effects of the present invention:

When the vibration comes, it can suppress the swing between the wires, avoiding the vibration between the wires and mutual whipping to cause damage to the transmission line.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, In other words, other drawings can also be obtained from these drawings on the premise of not paying creative work.

Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;

Fig. 2 is a schematic view of the structure of the second semicircular jacket of the embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a first connection plate according to an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of the first telescopic rod according to the embodiment of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In describing the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "surrounding" etc. Indicating orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention .

As shown in Figure 1-4, a multi-dimensional vibration-damping pre-twisted spacer bar, including:

A first semicircular wire clamp 1, at least two first connectors 2 are rotatably connected to both ends of the first semicircular wire clamp 1;

The second semicircular wire clamp 3, at least two first connectors 2 are connected to the two ends of the second semicircular wire clamp 3 in rotation;

The first semicircular jacket 4, the two ends of the first semicircular jacket 4 are rotatably connected with at least two second connectors 5;

The second semicircular jacket 6, the two ends of the second semicircular jacket 6 are rotatably connected with at least two second connectors 5;

A first telescopic rod 7 is fixedly connected between the first connector 2 and the second connector 5, and the first telescopic rod 7 is provided with a first spring 8;

The detachable connection between the first semicircle clamp 1 and the second semicircle clamp 3, the detachable connection between the first semicircle jacket 4 and the first semicircle jacket 6, the first semicircle The shaped wire clip 1 and the second semicircular wire clip 3 are located inside the first semicircular jacket 4 and the first semicircular jacket 6 .

When in use, first place the wires on the inside of the first semicircular wire clip 1 and the second semicircular wire clip 3 and align the first semicircular wire clip 1 and the second semicircular wire clip 3 together. The fastening of the first bolt 10 and the first nut 11 fastens the wire to the inside of the first semicircular wire clamp 1 and the second semicircular wire clamp 3, and at the same time, the first semicircular outer cover 4 and the second semicircular wire clamp 3 are fastened together. The second semicircular overcoat 6 is aligned together, and by the fastening of the second bolt 13 and the second nut 14, the first semicircular overcoat 4 and the second semicircular overcoat 6 are fastened together, when the wire is subjected to When the external wind, earthquake, etc. cause the conductor to swing and shake, the first semicircular line clamp 1 and the second semicircular line clamp 3 follow the swing and shake. At this time, the first semicircular line clamp 1 and the second semicircular line clamp The wire clip 3 is cooperated with the surrounding first telescopic rod 7 and the first spring 8, and the first semicircular wire clip 1 and the second semicircular wire clip 3 are subjected to multi-dimensional vibration reduction, thereby slowing down the swing of the wire . When the vibration comes, it can suppress the swing between the wires, avoiding the vibration between the wires and mutual whipping to cause damage to the transmission line.

Specifically, the opening edges of the first semicircular wire clamp 1 and the second semicircular wire clamp 3 are fixedly connected to the first connecting plate 9, and the two ends of the first connecting plate 9 are provided with first through holes 91, and the first bolts 10 is threadedly connected with the first nut 11 through the first through hole 91 . By fastening the first bolt 10 and the first nut 11 , the wire between the first semicircular clamp 1 and the second semicircular clamp 3 can be clamped.

Specifically, both ends of the first connecting plate 9 extend to the outside of the two ends of the first semicircular wire clamp 1 and the second semicircular wire clamp 3 . The part extending outside is located at the outer ends of the first semicircular casing 4 and the second semicircular casing 6 , which facilitates the installation and disassembly of the first bolt 10 and the first nut 11 .

Specifically, the opening edge of the first semicircular outer casing 4 and the second semicircular outer casing 6 is fixedly connected to the second connecting plate 12, and the second connecting plate 12 is provided with a second through hole 121, and the second bolt 13 passes through the second connecting plate 12. The two through holes 121 are threadedly connected with the second nut 14 . By fastening the second bolts 13 and the second nuts 14 , the first semicircular casing 4 and the second semicircular casing 6 can be fastened together.

Specifically, the insides of the first semicircular casing 4 and the second semicircular casing 6 are circular, and the first telescopic rods 7 are evenly distributed along the counterclockwise direction. The uniform distribution of the first telescopic rods 7 cooperates with the first springs 8, so that the wires can receive a multi-dimensional damping effect.

Specifically, one end of the first spring 8 is fixedly connected to the first connector 2 , and the other end is fixedly connected to the second connector 5 . The first spring 8 is fixed so that it is difficult to get stuck due to offset.

Specifically, the outer surface of the second semicircular overcoat 6 is fixedly connected to the fixed plate 61, and the peripheral side of the fixed plate is fixedly connected to the limit pin 62, and the limit pin 62 is slidably connected to the connecting plate 15, and the fixed plate 61 is connected to the connecting plate 15. A second telescopic rod 16 is fixedly connected between them, and a second spring 17 is sheathed on the outside of the second telescopic rod 16 . This structure further plays a role in the vibration and vibration reduction of the wires, specifically, the vibration of the wires drives the first semicircular jacket 4 and the first semicircular jacket 6 to swing, so that the second telescopic rod 16 and the second spring 17 first shrink , the fixed plate 61 moves toward the connecting plate 15, and the second telescopic rod 16 cooperates with the second spring 17 to play a damping effect.

Specifically, one end of the second spring 17 is fixedly connected to the fixing plate 61 , and the other end is fixedly connected to the connecting plate 15 . The fixing of the second spring 17 avoids deflection.

Specifically, the outer end of the connecting plate 15 is fixedly connected with a sleeve 18, the inner side of the sleeve 18 is a hollow structure, the other end of the sleeve 18 is rotatably connected with a rotating part 19, and the inner side of the rotating part 19 is provided with an internal thread, and the rotating part 19 The internal thread on the inner side is threadedly connected with the external thread of the threaded rod 20 . The overall length of the sleeve 18 and the threaded rod 20 can be adjusted by turning the rotating member 19, thereby adjusting the distance between the two wires.

Specifically, two threaded rods 20 are provided, and the two threaded rods 20 are on the same axis, and the adjacent ends of the two threaded rods 20 are fixedly connected with a connecting block 21 .

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements all fall within the scope of the claimed invention.

Claims (10)

1. A multi-dimensional damping type pre-twisted spacer, characterized in that, comprising: A first semicircular wire clamp (1), at least two first connectors (2) are rotatably connected to both ends of the first semicircular wire clamp (1); A second semicircular wire clamp (3), at least two of the first connectors (2) are rotatably connected to both ends of the second semicircular wire clamp (3); A first semicircular jacket (4), the two ends of the first semicircular jacket (4) are rotatably connected with at least two second connectors (5); A second semicircular jacket (6), the two ends of the second semicircular jacket (6) are rotatably connected with at least two second connectors (5); A first telescopic rod (7) is fixedly connected between the first connector (2) and the second connector (5), and the first telescopic rod (7) is sleeved with a first spring (8) ; The detachable connection between the first semicircular wire clip (1) and the second semicircular wire clip (3), the first semicircular jacket (4) and the first semicircular The detachable connection between the outer casing (6), the first semicircular wire clip (1) and the second semicircular wire clip (3) are located between the first semicircular outer casing (4) and The inner side of the first semicircular jacket (6). 2. A multi-dimensional vibration-damping pre-twisted spacer according to claim 1, characterized in that the first semicircular clamp (1) and the second semicircular clamp (3) The first connecting plate (9) is fixedly connected to the edge of the opening, and the two ends of the first connecting plate (9) are provided with first through holes (91), and the first bolts (10) pass through the first through holes (91 ) is threadedly connected with the first nut (11). 3. A multi-dimensional vibration-damping pre-twisted spacer according to claim 2, characterized in that, the two ends of the first connecting plate (9) face toward the first semicircular clamp (1) It extends outside the two ends of the second semicircular wire clamp (3). 4. A multi-dimensional vibration-damping pre-twisted spacer according to claim 1, characterized in that the openings of the first semicircular jacket (4) and the second semicircular jacket (6) The edge is fixedly connected to the second connecting plate (12), the second connecting plate (12) is provided with a second through hole (121), and the second bolt (13) passes through the second through hole (121) and the second Nut (14) threaded connection. 5. A multi-dimensional vibration-damping pre-twisted spacer bar according to claim 1, characterized in that, the inside of the first semicircular jacket (4) and the second semicircular jacket (6) It is circular, and the first telescopic rods (7) are evenly distributed along the counterclockwise direction. 6. A multi-dimensional vibration-damping pre-twisted spacer according to claim 1, characterized in that one end of the first spring (8) is fixedly connected to the first connector (2), and the other One end is fixedly connected with the second connector (5). 7. A kind of multi-dimensional damping type pre-twisted spacer bar according to claim 1, characterized in that, the outer surface of the second semicircular jacket (6) is fixedly connected to the fixed plate (61), and the fixed The limit pin (62) is fixedly connected to the peripheral side of the plate, and the connecting plate (15) is slidably connected to the limit pin (62), and the fixed plate (61) is fixedly connected to the connecting plate (15). The second telescopic rod (16), the second spring (17) is sheathed on the outside of the second telescopic rod (16). 8. A multi-dimensional vibration-damping pre-twisted spacer according to claim 7, wherein one end of the second spring (17) is fixedly connected to the fixing plate (61), and the other end is fixed to the fixed plate (61). The connecting plate (15) is fixedly connected. 9. A kind of multi-dimensional damping type pre-twisted spacer bar according to claim 8, is characterized in that, the outer end of described connecting plate (15) is fixedly connected with sleeve (18), and described sleeve (18 ) is a hollow structure, the other end of the sleeve (18) is rotatably connected to a rotating part (19), the inner side of the rotating part (19) is provided with an internal thread, and the internal thread on the inside of the rotating part (19) Cooperate threaded connection with the external thread of threaded rod (20). 10. A multi-dimensional vibration-damping pre-twisted spacer rod according to claim 9, characterized in that there are two threaded rods (20), and the two threaded rods (20) are on the same axis A connecting block (21) is fixedly connected to one end of the two threaded rods (20) which are close to each other.

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