CN221552787U

CN221552787U - Damper for overhead transmission line

Info

Publication number: CN221552787U
Application number: CN202323461582.7U
Authority: CN
Inventors: 官俣
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-19
Filing date: 2023-12-19
Publication date: 2024-08-16
Anticipated expiration: 2033-12-19

Abstract

The utility model discloses a damper for an overhead transmission line, which comprises a hammer body, wherein a fixed plate is arranged at the top of the hammer body, steel strands are arranged on two sides of the inner side of the hammer body, guide grooves are formed at two ends of one side of the top of the fixed plate, guide rods are inserted into the inner sides of two groups of the guide grooves in a sliding manner, a movable plate is arranged at the top of the two groups of the guide rods together, and springs A are sleeved on the outer sides of the two groups of the guide rods; according to the utility model, through the mutual matching among the spring B, the movable groove, the containing groove, the movable rod and the clamping plates, when the device is installed, the two groups of clamping plates can be retracted into the containing groove against the elastic force of the spring B, after the device is locked, the two groups of clamping plates can be pushed to be always clung to the lead by the elastic force of the containing groove, and the friction force between the clamping plates and the lead is greatly improved through the rubber salient points on the inner sides of the clamping plates, looseness caused by abrasion is avoided, and the fixing effect of the device is improved.

Description

Damper for overhead transmission line

Technical Field

The utility model relates to the technical field of damper, in particular to a damper for an overhead transmission line.

Background

The overhead line is erected on the ground, and is composed of a wire, an overhead ground wire, an insulator string, a pole tower, a grounding device and the like by utilizing insulators and air insulation, wherein the pole position of the overhead line is higher, the span is larger, vibration can occur when the wire is acted by wind force, the working condition of a wire hanging part is most unfavorable when the wire vibrates, and the wire is subjected to fatigue damage due to periodical bending due to repeated vibration, so that a damper is usually arranged on the wire to reduce vibration of the wire due to wind force;

The prior patent with the authority bulletin number of CN214626285U discloses a damper for an overhead transmission line, which is generally provided with a first steel strand installation groove and a second steel strand installation groove, a worker can install the steel strands and the hammerhead according to the vibration influence of the environment of a region on a wire, the steel strands can be installed in the second steel strand installation groove in a region with better environment, only one group of steel strands and the hammerhead are used for vibration prevention on the wire, if the environment is worse, the steel strands can be installed in the first steel strand installation grooves on two sides of a damper body, the wires are subjected to vibration prevention through two groups of steel strands and the hammerhead, if the environment is extremely worse, three groups of steel strands and the hammerhead can be installed between to be used for vibration prevention on the wire, and the damper can be adjusted for different regions and different environments and has strong adaptability;

however, the following disadvantages exist in this device:

After the shockproof hammer is installed, friction force between the shockproof hammer and the lead is easily reduced due to abrasion of the shockproof hammer, so that the shockproof hammer is loosened, in the shockproof hammer, the friction force between the shockproof hammer and the lead is enhanced through the elastic rubber layer, but after the rubber ring is abraded, the shockproof hammer is loosened, and the shockproof hammer is poor in fixing effect;

When the staff installs the damper, need one hand to drag the damper and the other hand to go out the locking bolt, when high altitude construction, the operation is got up very difficultly, if the staff hand slides and easily leads to parts such as damper to drop, has increased the potential safety hazard probability.

Disclosure of utility model

The utility model aims to provide a damper for an overhead transmission line, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the damper for the overhead transmission line comprises a hammer body, wherein a fixed plate is arranged at the top of the hammer body, steel strands are arranged on two sides of the inner side of the hammer body, guide grooves are formed in two ends of one side of the top of the fixed plate, guide rods are slidably inserted into the inner sides of two groups of the guide grooves, movable plates are arranged at the tops of the two groups of the guide rods together, and springs A are sleeved on the outer sides of the two groups of the guide rods;

the bottom of one side of the movable plate is provided with a mounting plate, the inner side of the mounting plate is sleeved with a fixing bolt, and the top of one side of the fixing plate is provided with an inner threaded plate which is in threaded fit with the fixing bolt;

The movable plate is characterized in that storage grooves are formed in the top of the inner side of the movable plate and the bottom of the inner side of the fixed plate, movable grooves are formed in the top and the bottom of the inner side of the storage grooves, which are far away from each other, movable rods are inserted into the inner sides of the movable grooves in a sliding mode, clamping plates are arranged at the top or the bottom of the movable rods, which are close to each other, and springs B are arranged at the top or the bottom of the movable rods, which are far away from the clamping plates.

Preferably, the shape of the clamping plate is arc-shaped, and rubber salient points are uniformly arranged on the inner side of the clamping plate, so that friction force between the clamping plate and the lead can be improved.

Preferably, two groups of steel strands are provided with hammerheads at two ends, and the hammerheads are driven to shake towards the opposite direction of the wires through the steel strands when the wires shake, so that the wires shake is counteracted, and the wires are buffered.

Preferably, the middle part at the top of the movable plate is provided with a handle, so that an operator can conveniently pull the movable plate through the handle when installing the device.

Preferably, a limiting block is arranged at the bottom of the guide rod, and the diameter of the limiting block is larger than that of the spring A and is used for limiting the guide rod.

Compared with the prior art, the utility model has the beneficial effects that: the damper for the overhead transmission line;

1. Through the mutual matching among the spring B, the movable groove, the containing groove, the movable rod and the clamping plates, when the device is installed, the two groups of clamping plates can be contained in the containing groove against the elasticity of the spring B, after the device is locked, the two groups of clamping plates can be pushed to be always clung to the lead by the elasticity of the containing groove, and the friction force between the clamping plates and the lead is greatly improved through the rubber salient points on the inner side of the clamping plates, looseness caused by abrasion is avoided, and the fixing effect of the device is improved;

2. Through mutually supporting between fixed plate, fly leaf, guide arm, spring A and the guide slot for the device is when the installation, can detain the inboard of fly leaf and fixed plate with the wire earlier, and reason spring A's elasticity fixes the device in the wire outside, makes operating personnel need not to use a hand again to support the device when installing the device, can both hands install the operation, has promoted the installation convenience, has reduced the part risk of dropping.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a side view of the present utility model;

Fig. 4 is an enlarged schematic view of the structure a of fig. 2 according to the present utility model.

In the figure: 1. a hammer body; 2. a fixing plate; 3. an inner thread plate; 4. a mounting plate; 5. a fixing bolt; 6. a movable plate; 7. a guide rod; 8. a spring A; 9. a guide groove; 10. a spring B; 11. a movable groove; 12. a storage groove; 13. a movable rod; 14. a clamping plate; 15. steel strand; 16. and a hammer head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, embodiments of the present utility model are provided: the utility model provides an antivibration hammer for overhead transmission line, including hammer block 1, the top of hammer block 1 is provided with fixed plate 2, the both sides of hammer block 1 inboard are provided with steel strand wires 15, the both ends of two sets of steel strand wires 15 are provided with tup 16, can drive tup 16 towards the opposite direction of wire through steel strand wires 15 when the wire is rocked, offset the wire and rock, buffer the wire, guide slot 9 has been seted up at the both ends of fixed plate 2 top one side, the inboard slip grafting of two sets of guide slot 9 has guide arm 7, the top of two sets of guide arm 7 is provided with fly leaf 6 jointly, the middle part at fly leaf 6 top is provided with the handle, when convenient operating personnel installs the device, through handle pulling fly leaf 6, the outside cover of two sets of guide arm 7 is equipped with spring A8;

The bottom of one side of the movable plate 6 is provided with a mounting plate 4, the inner side of the mounting plate 4 is sleeved with a fixing bolt 5, and the top of one side of the fixing plate 2 is provided with an internal thread plate 3 which is in threaded fit with the fixing bolt 5;

The top of the inner side of the movable plate 6 and the bottom of the inner side of the fixed plate 2 are provided with storage grooves 12, the top and the bottom of the inner sides of the two groups of storage grooves 12 far away from each other are provided with movable grooves 11, the inner sides of the two groups of movable grooves 11 are slidably inserted with movable rods 13, the top or the bottom of the two groups of movable rods 13 close to each other is provided with a clamping plate 14, and the top or the bottom of the two groups of movable rods 13 far away from the clamping plate 14 is provided with a spring B10.

Further, the shape of splint 14 is the arc, and splint 14 inboard evenly is provided with the rubber bump, can promote the frictional force between splint 14 and the wire, after the device is fixed, because splint 14's arc structure can promote the area of contact with the wire for its inboard rubber bump can closely laminate with the wire, strengthens frictional force with between the wire, and accessible rubber bump alleviates vibration force.

Further, the bottom of guide arm 7 is provided with the stopper, and the diameter of stopper is greater than spring A8 for carry out the spacing to guide arm 7, make guide arm 7 unable follow guide slot 9 internal slip, and when guide arm 7 moves up, accessible stopper promotes spring A8 compression.

Working principle: when the device is installed, the movable plate 6 can be pulled to move upwards through the handle, then the movable plate 6 can drive the two groups of guide rods 7 to move upwards along the guide of the guide groove 9 against the elastic force of the spring A8, the movable plate 6 and the guide rods 7 are unfolded, after a transmission line penetrates into the inner sides of the movable plate 6 and the fixed plate 2, the movable plate 6 can be driven to reset through the elastic force of the spring A8 and is buckled on the top of the fixed plate 2, the fixed plate 2 is matched for clamping the line, then an operator does not need to hold the line again for preventing when installing the device, the fixing operation can be carried out by two hands, and the fixing bolt 5 is selected into the inner threaded plate 3 for locking when the fixing operation is carried out, so that the installation of the device can be completed;

When the device is installed, the two groups of clamping plates 14 can be pushed to be retracted into the accommodating groove 12 against the elasticity of the spring B10, after the device is locked, the two groups of clamping plates 14 can be pushed to clamp the wires by the elasticity of the accommodating groove 12, at the moment, the rubber protruding points on the inner sides of the clamping plates 14 can deform to be clung to the wires under the extrusion action, and when the wires vibrate, the vibration force can be relieved through the rubber protruding points, so that the friction force between the device and the wires is improved, and the loosening of the device can be prevented;

After the device is installed, when the wire shakes, the hammer body 1 can drive the steel strand 15 to shake, and then the steel strand 15 drives the hammer head 16 to swing reversely to offset the wire shake, so that the vibration of the wire is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The utility model provides an antivibration hammer for overhead transmission line, includes hammer block (1), its characterized in that: the top of the hammer body (1) is provided with a fixed plate (2), two sides of the inner side of the hammer body (1) are provided with steel strands (15), two ends of one side of the top of the fixed plate (2) are provided with guide grooves (9), the inner sides of the two groups of the guide grooves (9) are in sliding connection with guide rods (7), the tops of the two groups of the guide rods (7) are jointly provided with a movable plate (6), and the outer sides of the two groups of the guide rods (7) are sleeved with springs A (8);

The bottom of one side of the movable plate (6) is provided with a mounting plate (4), the inner side of the mounting plate (4) is sleeved with a fixing bolt (5), and the top of one side of the fixing plate (2) is provided with an internal thread plate (3) which is in threaded fit with the fixing bolt (5);

The movable plate is characterized in that the top of the inner side of the movable plate (6) and the bottom of the inner side of the fixed plate (2) are provided with storage grooves (12), the two groups of the storage grooves (12) are provided with movable grooves (11) at the top and the bottom which are far away from each other, the inner sides of the movable grooves (11) are slidably inserted with movable rods (13), the two groups of the movable rods (13) are provided with clamping plates (14) at the top or the bottom which are close to each other, and the two groups of the movable rods (13) are provided with springs B (10) at the top or the bottom which are far away from the clamping plates (14).

2. The damper for overhead transmission lines according to claim 1, wherein: the shape of the clamping plate (14) is arc-shaped, and rubber salient points are uniformly arranged on the inner side of the clamping plate (14).

3. The damper for overhead transmission lines according to claim 1, wherein: hammerheads (16) are arranged at two ends of the two groups of steel strands (15).

4. The damper for overhead transmission lines according to claim 1, wherein: the middle part of the top of the movable plate (6) is provided with a handle.

5. The damper for overhead transmission lines according to claim 1, wherein: the bottom of guide arm (7) is provided with the stopper, and the diameter of stopper is greater than spring A (8).