CN214543538U - Convenient stockbridge damper who adjusts - Google Patents

Abstract

The utility model discloses a shockproof hammer convenient to adjust, which comprises a steel strand and a wire clamp, wherein the steel strand on the two sides of the wire clamp is respectively provided with a counterweight hammer, the counterweight hammer is provided with a steel strand perforation, and the counterweight hammer is also provided with a jackscrew matched with the steel strand; the steel strand perforation is internally provided with at least one prepositioning structure, the prepositioning structure comprises a mounting groove and an S-shaped elastic sheet, one end of the S-shaped elastic sheet is fixed in the mounting groove, the free end of the S-shaped elastic sheet extends into the steel strand perforation, an arc-shaped bending part is arranged at the position, close to the free end, of the S-shaped elastic sheet, and the arc top of the arc-shaped bending part tightly supports against the steel strand; in addition, the counterweight hammer can keep the position under the action of the pre-positioning structure after moving in place, thereby greatly facilitating the tightening of the follow-up jackscrew and being beneficial to the high-altitude operation of electric power workers.

Description

Convenient stockbridge damper who adjusts

Technical Field

The utility model relates to an electric power equipment field, concretely relates to stockbridge damper who conveniently adjusts.

Background

As is known, the vibration damper is used for reducing vibration of an electric wire caused by wind power, when the electric wire vibrates, the working condition of the suspension part of the electric wire is the most unfavorable, and the electric wire is subjected to fatigue failure due to periodic bending, so when the span of an overhead line is more than 120 meters, the vibration damper is generally used for vibration damping; the existing shockproof hammer is simple in structure and generally comprises a wire clamp, a steel strand and counterweight hammers located at two ends of the steel strand, and the connection relation between the counterweight hammers and the steel strand is fixed, so that the force arm of the shockproof hammer cannot be adjusted, and the working state of the shockproof hammer cannot be flexibly adjusted according to the field conditions during installation and subsequent overhaul.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide a stockbridge damper who conveniently adjusts, it has effectively solved the problem that exists among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shockproof hammer convenient to adjust comprises a steel strand and a wire clamp fixed in the middle of the steel strand, wherein counterweight hammers are respectively arranged on the steel strand on two sides of the wire clamp, steel strand through holes are formed in the counterweight hammers, the steel strand is arranged in the steel strand through holes in a penetrating manner, the free end of the steel strand extends out of the counterweight hammers, and jackscrews matched with the steel strand are further arranged on the counterweight hammers; the steel strand perforation is provided with at least one prepositioning structure in, the prepositioning structure includes that mounting groove and one end fix the S-shaped flexure strip in the mounting groove, the free end of S-shaped flexure strip extends to in the steel strand perforation, the S-shaped flexure strip has the arc flexion on being close to the position of free end, the arc top department of arc flexion supports tightly steel strand.

Furthermore, the number of the pre-positioning structures is two, and the two pre-positioning structures are respectively positioned on the left side and the right side of the jackscrew.

Furthermore, the S-shaped elastic sheet is made of spring steel.

Furthermore, a water retaining frame is further arranged on the counterweight hammer, the jackscrew is located in the enclosed area of the water retaining frame, and the lower edge of the water retaining frame is higher than the lower edge of the screw cap of the jackscrew.

Furthermore, an additional hammer is detachably sleeved on the counterweight hammer, screw holes are correspondingly formed in the counterweight hammer and the additional hammer, and connecting bolts are arranged in the screw holes; and the additional hammer is provided with a abdicating groove matched with the jackscrew and the water retaining frame.

Furthermore, a water retaining frame is also arranged on the additional hammer, the connecting bolt is positioned in the enclosed area of the water retaining frame, and the lower edge of the water retaining frame is higher than the lower edge of the nut of the connecting bolt.

The utility model discloses following beneficial technological effect has:

the counterweight hammer in the utility model can move along the steel strand and is fixed by the jackscrew after moving in place, thereby being convenient for flexibly adjusting the force arm of the shockproof hammer according to the field condition during installation and subsequent overhaul; in addition, the counterweight hammer in the application can keep the position under the action of the pre-positioning structure after moving in place, so that the subsequent jackscrew can be screwed down greatly, high-altitude operation of electric power workers is facilitated, and the counterweight hammer has strong practicability.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A in FIG. 1;

fig. 3 is a sectional view taken along line B-B in fig. 2.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the damper convenient to adjust in this embodiment includes a steel strand 1 and a cable clamp 2 fixed in the middle of the steel strand 1, the cable clamp 2 includes a main plate 3 and a sub plate 4, a cable clamp slot is correspondingly disposed between the main plate 3 and the sub plate 4, the lower end of the main plate 3 is welded to the middle of the steel strand 1, the sub plate 4 is connected to the main plate 3 through a fastening bolt 5, during actual installation, a cable is embedded into the cable clamp slot, then the fastening bolt 5 is screwed, the main plate 3 and the sub plate 4 clamp the cable, the steel strand 1 on both sides of the cable clamp 2 is further provided with a counterweight hammer 6, the counterweight hammer 6 is cylindrical, the counterweight hammer 6 is provided with a steel strand perforation 7, the steel strand 1 is inserted into the counterweight perforation 7, the free end of the steel strand 1 extends out of the counterweight hammer 6, the counterweight hammer 6 is further provided with a top thread 8 matched with the steel strand 1, the upper end of the jackscrew 8 extends into the steel strand perforation 7 and tightly props against the steel strand 1; two pre-positioning structures are arranged in the steel strand perforation 7, the two pre-positioning structures are symmetrically arranged on the left side and the right side of the jackscrew 8, each pre-positioning structure comprises a mounting groove 9 and an S-shaped elastic sheet 10, one end of each S-shaped elastic sheet is fixed in the mounting groove 9 through a screw, the S-shaped elastic sheet 10 is made of spring steel, the free end of each S-shaped elastic sheet 10 extends into the steel strand perforation 7, an arc-shaped bent portion is arranged at the position, close to the free end, of each S-shaped elastic sheet 10, the arc top of each arc-shaped bent portion abuts against the steel strand 1, the contact between each arc-shaped bent portion and the steel strand 1 can prevent the free end of each S-shaped elastic sheet 10 from contacting with the steel strand 1 when the counterweight hammer 6 slides on the steel strand 1, collision and obstruction can be generated, the elastic force of each S-shaped elastic sheet 10 and the abutting force of the steel strand 1 are determined according to the specifications of the counterweight hammer 6 and the steel strand 1, and the counterweight hammer 6 can not slide on the steel strand 1 spontaneously; during actual production, the counterweight hammer 6 is divided into an upper flap and a lower flap, and the upper flap and the lower flap are welded and fixed to form the complete counterweight hammer 6 after the S-shaped elastic sheet 10 is installed in place.

Still be provided with manger plate frame 11 on the counter weight hammer 6, manger plate frame 11 is the rectangle, jackscrew 8 is located in the area that surrounds of manger plate frame 11 and the lower edge of manger plate frame 11 is higher than the nut of jackscrew 8 and follows down, manger plate frame 11 can block and flow to near jackscrew 8 rivers, a large amount of rivers wash jackscrew 8 when avoiding rainy weather, be favorable to slowing down rusty of 8 department's of jackscrew thread parts, and the lower edge of manger plate frame 11 is higher than the nut of jackscrew 8 and follows down the case, also can not influence the spanner and twist soon of jackscrew 8, the lower edge of preferred manger plate frame 11 is followed on the nut that is close to jackscrew 8.

The additional hammer 12 is detachably sleeved on the counterweight hammer 6, the weight of the counterweight hammer 6 can be increased by the additional hammer 12, when the shockproof effect of the shockproof hammer needs to be enhanced in the overhauling process, the additional hammer 12 can be directly additionally arranged on the counterweight hammer 6 to enhance the overall shockproof effect of the shockproof hammer, the trouble of disassembling the original shockproof hammer and then replacing a large-size shockproof hammer is avoided, specifically, screw holes are correspondingly formed in the counterweight hammer 6 and the additional hammer 12, and connecting bolts 13 are arranged in the screw holes; the additional hammer 12 is provided with a abdicating groove 14 matched with the jackscrew 8 and the water retaining frame 11, so that the additional hammer 12 can be conveniently sleeved on the counterweight hammer 6 from one end of the counterweight hammer 6.

The additional hammer 12 is also provided with a water retaining frame 11, the water retaining frame 11 is also rectangular, the connecting bolt 13 is positioned in the enclosed area of the water retaining frame 11, the lower edge of the water retaining frame 11 is higher than the lower edge of the nut of the connecting bolt 13, the water retaining frame 11 can block water flow flowing to the position near the connecting bolt 13, the connecting bolt 13 is prevented from being washed by a large amount of water flow in rainy weather, rusting of the thread part of the connecting bolt 13 can be favorably reduced, the lower edge of the water retaining frame 11 is higher than the lower edge of the nut of the connecting bolt 13, screwing of the wrench on the connecting bolt 13 cannot be influenced, and the lower edge of the preferable water retaining frame 11 is close to the upper edge of the nut of the connecting bolt 13.

The working principle of the embodiment is as follows:

the shockproof hammer is fixed on a wire to be damped through the wire clamp 2, the counterweight hammer 6 slides along the steel strand 1, the S-shaped elastic piece 10 constantly abuts against the steel strand 1, certain friction force between the counterweight hammer 6 and the steel strand 1 is kept, the position of the counterweight hammer 6 is limited in an auxiliary mode, and the counterweight hammer 6 is fixed on the steel strand 1 through the jackscrew 8 after the counterweight hammer is slid in place, so that the installation of the shockproof hammer and the flexible adjustment of the force arm of the shockproof hammer according to the field condition during subsequent overhaul are facilitated; in addition, the counterweight hammer 6 can be kept in position under the action of the pre-positioning structure after being moved in place, so that the subsequent tightening of the jackscrew 8 is greatly facilitated, and the high-altitude operation of electric workers is simplified.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. A shockproof hammer convenient to adjust comprises a steel strand and a wire clamp fixed in the middle of the steel strand, wherein counterweight hammers are respectively arranged on the steel strand on two sides of the wire clamp, and the shockproof hammer is characterized in that steel strand through holes are formed in the counterweight hammers, the steel strand is arranged in the steel strand through holes in a penetrating manner, the free end of the steel strand extends out of the counterweight hammers, and jackscrews matched with the steel strand are further arranged on the counterweight hammers; the steel strand perforation is provided with at least one prepositioning structure in, the prepositioning structure includes that mounting groove and one end fix the S-shaped flexure strip in the mounting groove, the free end of S-shaped flexure strip extends to in the steel strand perforation, the S-shaped flexure strip has the arc flexion on being close to the position of free end, the arc top department of arc flexion supports tightly steel strand.

2. The adjustable jar damper of claim 1 wherein said two pre-positioning structures are located on the left and right sides of said jack screw.

3. The adjustable vibration damper according to claim 1, wherein said S-shaped resilient member is made of spring steel.

4. The adjustable shockproof hammer of claim 1, wherein the counterweight hammer is further provided with a water blocking frame, the jackscrew is located in a surrounding area of the water blocking frame, and a lower edge of the water blocking frame is higher than a lower edge of a screw cap of the jackscrew.

5. The conveniently adjustable stockbridge damper of claim 4, wherein the counterweight hammer is further detachably sleeved with an additional hammer, the counterweight hammer and the additional hammer are correspondingly provided with screw holes, and the screw holes are internally provided with connecting bolts; and the additional hammer is provided with a abdicating groove matched with the jackscrew and the water retaining frame.

6. The adjustable shockproof hammer of claim 5, wherein the additional hammer is also provided with a water blocking frame, the connecting bolt is located in the enclosing area of the water blocking frame, and the lower edge of the water blocking frame is higher than the lower edge of the nut of the connecting bolt.

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