CN216290112U - Adjustable stockbridge damper of high tension transmission line - Google Patents

Abstract

The utility model provides an adjustable stockbridge damper of a high-voltage transmission line, which comprises: the vertical screw rods are vertically arranged in the central fixing seat, and vertical guide rods are symmetrically arranged on the left side and the right side of each vertical screw rod in parallel; the fixed hanging buckle is arranged above the central fixed seat, and the fixed pressing buckle is arranged in the middle of the fixed hanging buckle. The transmission line vibration damping device can be fixed on a required transmission line through the fixing hanging buckle on the central fixing seat, the rigid extension rods are symmetrically arranged on the left side and the right side of the central fixing seat, the balance weight hammer body is separately nested on the rigid extension rod on each side, when the transmission line vibrates, the balance weight hammer body and the rigid extension rods are driven to synchronously vibrate, the inner ends of the rigid extension rods are connected with the central adjusting frame through the telescopic sleeves to drive the central adjusting frame to move up and down, so that the vibration energy is buffered and absorbed through the buffer springs which are symmetrically arranged on the central adjusting frame up and down, the vibration of the transmission line is reduced, and the vibration damping effect is achieved.

Description

An adjustable shock-proof hammer for high-voltage transmission lines

technical field

The utility model relates to the technical field of electric equipment, in particular to an adjustable shockproof hammer for high-voltage transmission lines.

Background technique

Anti-vibration hammer refers to a kind of protective hardware installed on the wire to suppress or reduce breeze vibration. On high-voltage overhead lines, a small hammer is often hung on the wire near both sides of the insulator. This small hammer is called anti-vibration hammer. It is designed to reduce the vibration of the wire caused by the wind. The high-voltage overhead line has a higher pole position and a larger span. When the wire is affected by the wind, it will vibrate. When the wire is vibrating, the working conditions where the wire is suspended are the most unfavorable. Due to multiple vibrations, the wire will suffer fatigue damage due to periodic bending. When the span of the overhead line is greater than 120 meters, the anti-vibration hammer is generally used for anti-vibration. The applicant found that the anti-vibration hammer needs to be installed according to the diameter of the line to be installed and the span length. The current anti-vibration hammer is often a fixed structure, and it needs to be processed and produced according to the requirements. It can be used on the corresponding transmission line, but cannot be used after the corresponding transmission line is removed, which is wasteful and has poor flexibility in use.

Utility model content

In view of this, the purpose of this utility model is to propose an adjustable anti-vibration hammer for high-voltage transmission lines, so as to solve the problem that the anti-vibration hammer needs to be installed according to the needs of the line whose diameter and length are selected and installed. The current anti-vibration hammer is often a fixed structure, It is necessary to process and produce anti-vibration hammers of different structures according to the needs. The anti-vibration hammers of the corresponding structure can often only be used on the corresponding transmission lines. After the corresponding transmission lines are removed, they cannot be used, which is wasteful and has poor flexibility in use.

Based on the above purpose, the present invention provides an adjustable shock-proof hammer for high-voltage transmission lines, including:

a central fixing seat, a vertical screw rod is vertically arranged inside the central fixing seat, and vertical guide rods are symmetrically arranged on the left and right sides of the vertical screw rod;

a fixing hook, which is arranged above the central fixing seat, a fixed pressing buckle is arranged in the middle of the fixing hook, and a fixing bolt is arranged in the middle of the fixing pressing buckle;

The pressure adjustment frame is symmetrically arranged on the upper and lower sides of the vertical screw rod, the middle of the pressure adjustment frame is provided with a connecting screw sleeve, and the left and right sides of the pressure adjustment frame are symmetrically arranged with guide sliding sleeves, so A buffer spring is arranged on one side of the guide sliding sleeve close to the horizontal centerline of the center fixing seat;

The central adjusting frame is arranged in the middle of the central fixing seat, the left and right sides of the central adjusting frame are symmetrically provided with connecting sliding sleeves, the left and right ends of the central adjusting frame are provided with connecting shafts, and the The outer side is provided with a telescopic sleeve;

The rigid extension rod is symmetrically arranged on the left and right sides of the central fixing seat, and a vibration rotating shaft is arranged on the side of the rigid extension rod close to the central fixing seat;

The counterweight hammer body is arranged on the outer side of the rigid extension rod.

In some optional embodiments, the central adjusting frame is slidably connected to the vertical guide rod through the connecting sliding sleeve, and the buffer springs are symmetrically arranged with respect to the horizontal center line of the central adjusting frame.

In some optional embodiments, the inner end of the telescopic sleeve is rotatably connected to the central adjustment frame through the connecting shaft, and the outer end of the telescopic sleeve and the inner end of the rigid extension rod are embedded Set of sliding connections.

In some optional embodiments, the rigid extension rod is rotatably connected to the central fixed seat through the vibration shaft.

In some optional embodiments, the pressure adjustment bracket is slidably connected to the vertical guide rod through the guide sliding sleeve, and the pressure adjustment bracket is connected to the vertical screw through the connection screw sleeve. .

In some optional embodiments, the horizontal center line of the pressure adjustment frame and the horizontal center line of the center adjustment frame are parallel to each other, and the horizontal center line of the pressure adjustment frame and the vertical guide rod are parallel to each other. The vertical centerlines are perpendicular to each other.

In some optional embodiments, an adjusting sliding sleeve is provided at the center of the counterweight body, a positioning bolt is provided in the middle of the adjusting sliding sleeve, and the counterweight body is connected to the Rigid extension rod nested sliding connections.

In some optional embodiments, a plurality of positioning holes are evenly arranged horizontally in the middle of the rigid extension rod, and the positioning bolts and the positioning holes are mutually matched in size.

It can be seen from the above that the adjustable shock-proof hammer for a high-voltage transmission line provided by the utility model can be fixed on the required transmission line through the fixing hook on the central fixing base, and the left and right sides of the central fixing base can be fixed on the required transmission line. A rigid extension rod is symmetrically arranged, and the rigid extension rod is rotatably connected with the central fixed seat through the vibration shaft, and each side of the rigid extension rod is individually nested with a counterweight hammer body to form an anti-vibration hammer body structure. When vibrating, it can drive the counterweight hammer body and the rigid extension rod to vibrate synchronously, and the inner end of the rigid extension rod is connected with the center adjustment frame through the telescopic sleeve, which can drive the center adjustment frame to move up and down, so as to be symmetrically arranged up and down through the center adjustment frame The buffer spring absorbs the energy of vibration to reduce the vibration of the transmission line and has the effect of anti-vibration, and the pressure adjustment frame set on the outside of the buffer spring can move and adjust the distance to adjust the compression and elasticity of the buffer spring, and then Adjust its overall buffer vibration amplitude and strength, so as to be adjusted according to the needs of different transmission lines, and it is more flexible and convenient to use.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic diagram of a longitudinal cross-sectional structure of an embodiment of the present utility model;

Fig. 2 is the front structure schematic diagram of the embodiment of the utility model;

Fig. 3 is the bottom surface structure schematic diagram of the embodiment of the present utility model;

Fig. 4 is the top view structure schematic diagram of the embodiment of the utility model;

5 is a schematic diagram of the internal structure of the center fixing seat according to the embodiment of the present invention;

6 is a schematic structural diagram of a rigid extension rod according to an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present invention shall have the usual meanings understood by those with ordinary skill in the art to which the present disclosure belongs. As used in this disclosure, "first," "second," and similar terms do not denote any order, quantity, or importance, but are merely used to distinguish the various components. "Comprises" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things. Words like "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right", etc. are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

As an embodiment, an adjustable shock-proof hammer for a high-voltage power transmission line includes:

The center fixing base 1, a vertical screw rod 101 is vertically arranged inside the center fixing base 1, and vertical guide rods 102 are symmetrically arranged on the left and right sides of the vertical screw rod 101 in parallel;

The fixing hook 2 is arranged above the central fixing base 1 , a fixing button 201 is arranged in the middle of the fixing hook 2 , and a fixing bolt 202 is arranged in the middle of the fixing button 201 ;

The pressure adjusting frame 3 is symmetrically arranged on the upper and lower sides of the vertical screw 101, the middle of the pressing adjusting frame 3 is provided with a connecting screw sleeve 301, and the left and right sides of the pressing adjusting frame 3 are symmetrically arranged with guide sliding sleeves 302, which guide the A buffer spring 303 is provided on the side of the sliding sleeve 302 close to the horizontal centerline of the center fixing base 1;

The central adjusting frame 4 is arranged in the middle of the central fixing base 1 , the left and right sides of the central adjusting frame 4 are symmetrically provided with connecting sliding sleeves 401 , and the left and right ends of the central adjusting frame 4 are provided with a connecting shaft 402 , and the outer side of the connecting shaft 402 A telescopic sleeve 403 is provided;

The rigid extension rod 5 is symmetrically arranged on the left and right sides of the central fixing base 1, and a vibration rotating shaft 501 is provided on the side of the rigid extension rod 5 close to the central fixing base 1;

The counterweight body 6 is arranged on the outer side of the rigid extension rod 5 .

Please refer to FIGS. 1 to 6 , as an embodiment of the present invention, an adjustable shock-proof hammer for high-voltage power transmission lines includes: a central fixing base 1 , a vertical screw rod 101 is vertically arranged inside the central fixing base 1 , and the vertical screw rod The left and right sides of the 101 are symmetrically arranged with vertical guide rods 102; the fixing hook 2 is arranged above the central fixing seat 1, the middle of the fixing hook 2 is provided with a fixing button 201, and the middle of the fixing button 201 is provided with a The fixing bolt 202; the pressure adjusting frame 3 is symmetrically arranged on the upper and lower sides of the vertical screw 101, the middle of the pressing adjusting frame 3 is provided with a connecting screw sleeve 301, and the left and right sides of the pressing adjusting frame 3 are symmetrically provided with guide slides Sleeve 302, a buffer spring 303 is provided on the side of the guide sliding sleeve 302 close to the horizontal center line of the central fixing base 1; Connecting the sliding sleeve 401, the left and right ends of the central adjusting frame 4 are provided with a connecting shaft 402, and the outer side of the connecting shaft 402 is provided with a telescopic sleeve 403; the rigid extension rod 5 is symmetrically arranged on the left and right sides of the central fixing base 1, rigid The side of the extension rod 5 close to the central fixing base 1 is provided with a vibration shaft 501 ;

Please refer to FIG. 1 to FIG. 6 . Optionally, the device can be clamped and fixed on the corresponding transmission line by the fixing hook 2 and the fixed pressing button 201 , so that the central fixing base 1 is suspended under the transmission line, and the central fixing base 1 There is a central adjusting frame 4 in the middle, and the central adjusting frame 4 is slidably connected with the vertical guide rod 102 through the connecting sliding sleeve 401, and the left and right sides of the central fixing base 1 are symmetrically provided with rigid extension rods 5, and the rigid extension rods 5 pass through The vibration shaft 501 is rotatably connected with the central fixing base 1 , the inner end of the telescopic sleeve 403 is rotatably connected with the central adjustment frame 4 through the connecting shaft 402 , and the outer end of the telescopic sleeve 403 and the inner end of the rigid extension rod 5 are nested and slid Connected, and the outer side of the rigid extension rod 5 is provided with a counterweight hammer body 6, so when the transmission line vibrates, it will drive the device to rotate synchronously, and the rigid extension rod 5 will reciprocate along the vibration shaft 501. The center adjusting frame 4 reciprocates up and down along the vertical guide rod 102, and at the same time, the buffer springs 303 are symmetrically arranged with respect to the horizontal center line of the center adjusting frame 4, so the center adjusting frame 4 will reciprocally compress the buffer spring 303 to pass the buffer spring 303. Buffer, absorb the kinetic energy of its movement, and then absorb the energy of vibration, so as to reduce the vibration of the transmission line and play an anti-vibration effect.

Please refer to FIG. 1 to FIG. 6 . Optionally, the device reciprocates and vibrates along the vibration shaft 501 through the rigid extension rod 5, which drives the center adjustment frame 4 to slide up and down along the vertical guide rod 102, so that the center adjustment frame 4 reciprocates to compress the buffer spring. 303, the buffer spring 303 is used to buffer and absorb the energy of the vibration to reduce the vibration of the transmission line, and the pressure adjustment frame 3 is slidably connected with the vertical guide rod 102 through the guide sliding sleeve 302, and the pressure adjustment frame 3 is connected through the connecting screw sleeve 301. It is connected with the vertical screw 101, the horizontal center line of the pressure adjusting frame 3 and the horizontal center line of the center adjusting frame 4 are parallel to each other, and the horizontal center line of the pressing adjusting frame 3 and the vertical center of the vertical guide rod 102 are parallel to each other. The lines are perpendicular to each other, and the connecting screw sleeves 301 arranged in the upper and lower symmetrically arranged pressure adjusting frames 3 are of reverse structure, so that by rotating the vertical screw 101, the upper and lower symmetrically arranged pressure adjusting frames 3 can be synchronously driven to move synchronously. , so that the upper and lower symmetrically arranged pressure adjusting frames 3 are synchronously approached or away from each other, so as to adjust the pre-compression degree of the spring between the pressure adjusting frame 3 and the central adjusting frame 4, and then adjust the compression degree and elastic force of the buffer spring 303 to adjust The overall damping vibration amplitude and strength of the device can be adjusted according to the needs of different transmission lines, and it is more flexible and convenient to use.

Please refer to FIG. 1 to FIG. 6 . Optionally, the device reciprocates and vibrates along the vibration shaft 501 through the rigid extension rod 5, which drives the center adjustment frame 4 to slide up and down along the vertical guide rod 102, so that the center adjustment frame 4 reciprocates to compress the buffer spring. 303, the energy of the vibration is absorbed by the buffer spring 303 to reduce the vibration of the transmission line, and the rigid extension rod 5 is provided with a counterweight hammer 6 to improve the quality, so as to increase the energy when the rigid extension rod 5 rotates, and The center of the counterweight hammer body 6 is provided with an adjustment sliding sleeve 601, and the middle of the adjustment sliding sleeve 601 is provided with a positioning bolt 602. The counterweight hammer body 6 is nested and slidably connected to the rigid extension rod 5 through the adjustment sliding sleeve 601. The rigid extension rod A plurality of positioning holes 502 are evenly arranged in the middle of 5, and the dimensions of the positioning bolts 602 and the positioning holes 502 are matched with each other, so the counterweight hammer body 6 can slide on the rigid extension rod 5 to adjust the position, and then adjust and vibrate the rotating shaft 501 spacing, so as to adjust the overall rotating mass according to the lever principle, so as to adjust according to the needs of different transmission lines, and it is more flexible and convenient to use.

When in use, firstly adjust as needed. When adjusting, the counterweight hammer body 6 can slide on the rigid extension rod 5 to adjust the position, and then adjust the distance from the vibration shaft 501, and insert the positioning bolt 602 into the positioning hole 502 for locking. , and then rotate the vertical screw 101 to synchronously drive the up and down symmetrically arranged pressure adjustment frames 3 to move synchronously, so that the upper and lower symmetrical pressure adjustment frames 3 are synchronously approached or away from each other, thereby adjusting the relationship between the pressure adjustment frame 3 and the central adjustment frame 4 The pre-compression degree of the inter-spring, and then the compression degree and elastic force of the buffer spring 303 can be adjusted to adjust the overall buffer vibration amplitude and strength of the device. On the corresponding transmission line, it is fixed and locked by the fixing bolt 202. When the transmission line vibrates, it drives the counterweight hammer body 6 and the rigid extension rod 5 to vibrate synchronously, and the rigid extension rod 5 drives the center adjustment frame 4 to move up and down, The buffer springs 303 symmetrically arranged up and down through the central adjusting frame 4 are used to buffer and absorb the energy of the vibration, so as to reduce the vibration of the transmission line and have the effect of anti-vibration.

The adjustable shock-proof hammer of the high-voltage transmission line provided by the utility model can be fixed on the required transmission line through the fixing hook 2 on the central fixing base 1 , and rigid extension rods 5 are symmetrically arranged on the left and right sides of the central fixing base 1 , the rigid extension rod 5 is rotatably connected with the central fixed seat 1 through the vibration shaft 501, and the rigid extension rod 5 on each side is individually nested with a counterweight hammer body 6 to form an anti-vibration hammer body structure, when the transmission line vibrates At the same time, the counterweight body 6 and the rigid extension rod 5 can be driven to vibrate synchronously, and the inner end of the rigid extension rod 5 is connected with the center adjustment frame 4 through the telescopic sleeve 403, and then the center adjustment frame 4 can be driven to move up and down to pass the center The buffer springs 303 arranged symmetrically up and down the adjustment frame 4 buffer and absorb the energy of vibration to reduce the vibration of the transmission line and have an anti-vibration effect. The compression degree and elastic force of the buffer spring 303 can further adjust the overall buffer vibration amplitude and strength, so as to be adjusted according to the needs of different transmission lines, and it is more flexible and convenient to use.

Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is only exemplary, and is not intended to imply that the scope of the present disclosure (including the claims) is limited to these examples; under the spirit of the present invention, the above embodiments Alternatively, the technical features in the different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

Embodiments of the present invention are intended to cover all such alternatives, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims (8)

1. An adjustable stockbridge damper of high tension transmission line, characterized by, includes:

the vertical screw rods are vertically arranged in the central fixing seat, and vertical guide rods are symmetrically arranged on the left side and the right side of each vertical screw rod in parallel;

the fixed hanging buckle is arranged above the central fixed seat, a fixed pressing buckle is arranged in the middle of the fixed hanging buckle, and a fixed bolt is arranged in the middle of the fixed pressing buckle;

the pressing adjusting frame is symmetrically arranged on the upper side and the lower side of the vertical screw rod, a connecting threaded sleeve is arranged in the middle of the pressing adjusting frame, guide sliding sleeves are symmetrically arranged on the left side and the right side of the pressing adjusting frame, and a buffer spring is arranged on one side of each guide sliding sleeve, which is close to the horizontal center line of the central fixing seat;

the central adjusting frame is arranged in the middle of the central fixing seat, the left side and the right side of the central adjusting frame are symmetrically provided with connecting sliding sleeves, the left end and the right end of the central adjusting frame are both provided with connecting rotating shafts, and the outer sides of the connecting rotating shafts are provided with telescopic sleeves;

the rigid extension rods are symmetrically arranged on the left side and the right side of the central fixed seat, and one side of each rigid extension rod, which is close to the central fixed seat, is provided with a vibration rotating shaft;

and the counterweight hammer body is arranged on the outer side of the rigid extension rod.

2. The adjustable stockbridge damper of claim 1, wherein the center adjusting frame is slidably connected with the vertical guide rod through the connecting sliding sleeve, and the buffer springs are symmetrically arranged with respect to a horizontal center line of the center adjusting frame.

3. The adjustable stockbridge damper of claim 1, wherein the inner end of the telescopic sleeve is rotatably connected with the central adjusting frame through the connecting rotating shaft, and the outer end of the telescopic sleeve is connected with the inner end of the rigid extension rod in a nested sliding manner.

4. The adjustable stockbridge damper of claim 1, wherein the rigid extension rod is rotatably connected to the central fixing base through the vibration rotating shaft.

5. The adjustable stockbridge damper of claim 1, wherein the pressure adjusting bracket is slidably connected to the vertical guide rod through the guide sliding sleeve, and the pressure adjusting bracket is connected to the vertical screw through the connecting threaded sleeve.

6. The adjustable stockbridge damper of claim 1, wherein the horizontal center line of the pressing adjusting frame is parallel to the horizontal center line of the central adjusting frame, and the horizontal center line of the pressing adjusting frame is perpendicular to the vertical center line of the vertical guide rod.

7. The adjustable stockbridge damper of claim 1, wherein an adjusting sliding sleeve is arranged at the center of the counterweight hammer body, a positioning bolt is arranged in the middle of the adjusting sliding sleeve, and the counterweight hammer body is connected with the rigid extension rod in a nested sliding manner through the adjusting sliding sleeve.

8. The adjustable stockbridge damper of claim 7, wherein a plurality of positioning holes are horizontally and uniformly arranged in the middle of the rigid extension rod, and the positioning bolts are matched with the positioning holes in size.

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