Split type anti-vibration hammer

Abstract

The utility model relates to a kind of split type anti-vibration hammer, including anti-vibration hammer main part and anti-vibration hammer pre-lay wire, anti-vibration hammer main part is mainly by riveting aluminium pipe, big hammer head, steel strand, upper hook wire clamp, lower cover wire clamp, small hammer head is formed;Steel strand passes through wire clamp connecting hole, middle part is connected by crimping, steel strand is well connected with wire clamp, steel strand both ends are inserted into riveting aluminium pipe pressure tightly fixed, both ends are inserted into big hammer head, small hammer head connecting hole respectively, and be connected by riveting aluminium pipe both ends stamping into horn mouth, riveting fixed, the utility model structure is simple, and it occupies small space;Big hammer head and small hammer head adopt streamline design, appearance is round and smooth, and counterweight is reasonable, effectively suppresses the slight wind vibration caused by overhead OPGW optical cable;Effectively reduce wind blowing resistance, and anti-accumulation water drainage hole is set in the lower of big hammer head, small hammer head and steel strand connecting hole, avoid rainwater to stay for a long time, because rainwater stays for a long time to cause steel strand end rust, lead to hammer head to fall off hidden danger.

Description

Technical Field

[0001] This utility model relates to the field of vibration damping hammers for optical cables, and in particular to a split-type vibration damping hammer. Background Technology

[0002] Power fiber optic cable fittings are specialized equipment used in high-voltage transmission lines to fix or connect towers and power fiber optic cables, with a design life of over 30 years. In actual use during line erection, vibration dampers are commonly used for power fiber optic cables. However, their design suffers from several drawbacks. First, the hammerhead is often designed in a dumbbell shape, narrow in the middle and wide at both ends, resulting in significant wind resistance and affecting the damper's fatigue resistance and vibration damping effect. Second, water easily accumulates in the connection hole between the hammerhead and the steel strand, leading to rust and aging over time, which can cause the hammerhead to detach. Third, ordinary pre-stretched vibration dampers only have an upper hook clamp. During installation with the power fiber optic cable, the contact area between the upper hook clamp and the cable is only half a cylindrical surface, sometimes even just two wires in contact, resulting in an unreliable installation and uneven force distribution, and insufficient gripping strength. These factors combined lead to low vibration damping performance and an inadequate long-term service life for power fiber optic cable lines.

[0003] Therefore, how to improve the structure of the vibration damper to reduce its impact on wind-induced vibration in a more reasonable way, and how to open drainage holes below the connection holes of the large and small hammer heads and steel strands to prevent water accumulation and rusting in the connection holes, which could cause the hammer heads to fall off, improve the gripping force between the vibration damper and the power optical cable, extend the service life of the optical cable and metal, and ensure the safe operation of the transmission line, has become a problem that the industry needs to solve. Utility Model Content

[0004] The purpose of this utility model is to provide a split-type anti-vibration hammer, which improves the anti-vibration effect of hardware and optical cables and the fatigue resistance of the anti-vibration hammer, and avoids the anti-vibration hammer head from falling off due to water accumulation and rust in the connection hole between the hammer head and the steel strand. At the same time, a lower cover clamp is added and fixed with anti-vibration hammer strands, so that the upper hook clamp, the lower cover clamp and the power optical cable form a cylindrical gripping structure, which enhances the friction between the clamp and the power optical cable, ensures the service life of the anti-vibration hammer, and improves the gripping force between the anti-vibration hammer and the OPGW optical cable.

[0005] According to the technical solution provided by this utility model: a split-type anti-vibration hammer includes an anti-vibration hammer body and an anti-vibration hammer pre-twisted wire. The anti-vibration hammer body includes: a large hammer head, a small hammer head, a steel strand, an upper hook clamp, a lower cover clamp, and a riveted aluminum tube. The two ends of the steel strand are respectively connected to the large hammer head and the small hammer head through the riveted aluminum tube. The upper hook clamp is fixed in the middle of the steel strand. The lower cover clamp is fixed above the upper hook clamp. The lower cover clamp is sleeved on the anti-vibration hammer pre-twisted wire. A water-drainage hole is provided below the connection hole between the large hammer head, the small hammer head, and the steel strand.

[0006] Furthermore, the large and small hammerheads adopt a streamlined structure, with one end being larger than the other.

[0007] Furthermore, the lower cover clamp is provided with a coaxial connecting groove, which is adapted to the outer diameter of the pre-twisted wire of the vibration damper.

[0008] Furthermore, the outer wall of the lower cover clamp is provided with several clamp spiral grooves, and the several clamp spiral grooves are adapted to the outer diameter of the pre-twisted single wire of the vibration damper.

[0009] Furthermore, the riveted aluminum tube crimps and fixes the steel strand, inserts it into the connecting hole of the large or small hammer head, and then punches both ends into a trumpet-shaped riveting.

[0010] Furthermore, the large and small hammerheads are made of gray iron with a hot-dip galvanized surface treatment.

[0011] In summary, this utility model has at least one of the following beneficial technical effects:

[0012] 1. The large and small hammer heads adopt a streamlined structure with a smooth and rounded appearance and reasonable weight distribution, which effectively suppresses the vibration caused by the overhead OPGW optical cable in the wind, reduces wind resistance, and improves the vibration resistance of the hardware and optical cable and the fatigue resistance of the vibration hammer.

[0013] 2. Water drainage holes are provided below the connection holes of the large hammer head, small hammer head and steel strand to prevent rainwater from accumulating for a long time and causing the steel strand ends to rust and age, which could lead to the hammer head falling off.

[0014] 3. Add a lower cover clamp and fix it with anti-vibration hammer twisted wire to form a cylindrical gripping structure between the upper hook clamp, the lower cover clamp and the power optical cable, which enhances the friction between the clamp and the power optical cable, thereby improving the gripping force of the anti-vibration hammer pre-twisted wire and increasing the service life of the anti-vibration hammer.

[0015] The improvements mentioned above further enhance vibration damping and extend service life, ensuring the safe operation of transmission lines and making them suitable for large-scale application. Attached Figure Description

[0016] Figure 1 Front view of a split-type vibration damper installed on a power optical cable.

[0017] Figure 2 A schematic diagram of the pre-twisted wire for the vibration damper.

[0018] Figure 3 This is a schematic diagram of the main body of a split-type vibration damper.

[0019] Figure 4 Schematic diagram of a split-type vibration damper installed on a power optical cable. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] Furthermore, "several" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0023] This utility model discloses a novel split-type wire clamp anti-vibration hammer. (Refer to...) Figure 1-4 A novel split-type anti-vibration hammer includes an anti-vibration hammer body and an anti-vibration hammer pre-twisted wire 2. The anti-vibration hammer body includes a riveted aluminum tube 11, a large hammer head 12, a steel strand 13, an upper hook clamp 14, a lower cover clamp 19, and a small hammer head 15. The large hammer head 12 and the small hammer head 15 adopt a streamlined design. A water-drainage hole 18 is provided below the connection hole between the large hammer head 12, the small hammer head 15 and the steel strand 13 to prevent rainwater from accumulating for a long time. Rainwater accumulation can cause rust and aging at the end of the steel strand 13, leading to damage to the hammer head. The steel strand 13 is connected to the hammer head by riveting aluminum tube 11. The steel strand 13 is inserted into the riveted aluminum tube 11 and pressed to fix it. Then the hammer head connection hole is fitted over the outside of the riveted aluminum tube 11, with both ends of the riveted aluminum tube 11 exposed outside the hammer head connection hole. The hammer head is fixed by punching and riveting with a punch press and tooling mold. The upper hook clamp 14 and the lower cover clamp 19 are used to wrap the power optical cable at the same time, so that the anti-vibration hammer pre-twisted wire 2 is wrapped and fixed, which enhances the friction between the clamp and the anti-vibration optical cable and improves the grip.

[0024] like Figure 3 As shown, the lower cover clamp 19 has a connecting groove 17 that matches the outer diameter of the anti-vibration hammer pre-twisted wire 2. The connecting groove 17 is concave arc-shaped.

[0025] The outer wall of the lower cover clamp 19 is provided with a clamp spiral groove 16, which is adapted to the outer diameter of the single wire of the anti-vibration hammer pre-twisted wire 2. At least three single wires of the anti-vibration hammer pre-twisted wire 2 are clamped into the clamp spiral groove 16 that is clamped into the lower cover clamp 19, which enhances the friction between the clamp and the power optical cable, thereby improving the gripping force of the anti-vibration hammer pre-twisted wire 2 and improving the service life of the anti-vibration hammer.

[0026] To avoid swaying and vibration caused by wind resistance and to improve the fatigue resistance of the vibration damper, the large hammer head 12 and the small hammer head 15 adopt a streamlined design.

[0027] To prevent water from accumulating in the connection holes of the large hammer head 12, small hammer head 15 and steel strand 13, which could cause the steel strand 13 to age and rust, and eventually cause the hammer head to fall off, a water-drainage hole 18 is provided below the connection holes of the large hammer head 12, small hammer head 15 and steel strand 13 to prevent rainwater from accumulating for a long time.

[0028] Through the above-mentioned technical solution, a water-drainage hole 18 is opened below the connection hole between the large hammer head 12, the small hammer head 15 and the steel strand 13, which avoids the long-term accumulation of rainwater; the lower cover clamp 19 is added and fixed with the anti-vibration hammer pre-twisted wire 2, so that the upper hook clamp 14, the lower cover clamp 19 and the power optical cable form a cylindrical gripping structure, which enhances the friction between the clamp and the power optical cable, thereby improving the gripping force of the anti-vibration hammer pre-twisted wire 2, improving the service life of the anti-vibration hammer, ensuring the safe operation of the transmission line, and is suitable for large-scale promotion and application.

[0029] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A split-type vibration damper, characterized in that: The device includes a vibration damper body and a vibration damper pre-twisted wire (2). The vibration damper body includes a large hammer head (12), a small hammer head (15), a steel strand (13), an upper hook clamp (14), a lower cover clamp (19), and a riveted aluminum tube (11). The two ends of the steel strand (13) are connected to the large hammer head (12) and the small hammer head (15) respectively through the riveted aluminum tube (11). The upper hook clamp (14) is fixed in the middle of the steel strand (13). The lower cover clamp (19) is fixed above the upper hook clamp (14). The lower cover clamp (19) is sleeved on the vibration damper pre-twisted wire (2). A water-drainage hole (18) is opened below the connection hole between the large hammer head (12), the small hammer head (15), and the steel strand (13).

2. The split-type vibration damper according to claim 1, characterized in that: The large hammerhead (12) and the small hammerhead (15) adopt a streamlined structure, with one end being larger than the other.

3. A split-type vibration damper according to claim 1, characterized in that: The lower cover clamp (19) is provided with a coaxial connecting groove (17), which is adapted to the outer diameter of the anti-vibration hammer pre-twisted wire (2).

4. A split-type vibration damper according to claim 1, characterized in that: The outer wall of the lower cover clamp (19) is provided with a plurality of clamp spiral grooves (16), and the plurality of clamp spiral grooves (16) are adapted to the outer diameter of the single wire of the anti-vibration hammer pre-twisted wire (2). At least 3 single wires of the anti-vibration hammer pre-twisted wire (2) are clamped into the spiral groove of the lower cover clamp (19).

5. A split-type vibration damper according to claim 1, characterized in that: The riveted aluminum tube (11) presses and fixes the steel strand (13), and after passing through the connecting hole of the large hammer head (12) or small hammer head (15), the two ends are punched into a trumpet-shaped riveting.

6. A split-type vibration damper according to claim 1, characterized in that: The large hammerhead (12) and small hammerhead (15) are made of gray iron and have been hot-dip galvanized.

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