CN210430868U

CN210430868U - Vibration damper

Info

Publication number: CN210430868U
Application number: CN201921841429.8U
Authority: CN
Inventors: 李培青; 贾鲁光
Original assignee: Shandong Ruineng New Energy Co ltd
Current assignee: Shandong Ruineng New Energy Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-04-28
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses an anti-vibration hammer, including the supporting shoe, the both sides of supporting shoe are all fixed and are equipped with the bracing piece, and the equal fixed mounting in one end of two bracing pieces has the hammer block, and first spring groove has all been seted up to the inside of two hammer blocks, and the top of two first spring inslots and the inside bottom is all fixed and is equipped with the support column, and the equal sliding connection in outside of every support column has the fixed block, and the second spring groove has all been seted up to the inside of every fixed block, the beneficial effects of the utility model are that: through the mutual matching of the second spring, the arc-shaped plate and the steel ball, the hammer body is subjected to primary shock absorption in the vibration process of the steel ball; simultaneously through mutually supporting between first spring, support column and limiting plate and the fixed block, when the steel ball at the in-process of vibration to be convenient for carry out the secondary shock attenuation to the hammer block, through mutually supporting between mounting plate and the hinge that sets up and the buckle, thereby be convenient for install the wire.

Description

Vibration damper

Technical Field

The utility model relates to a hammer, in particular to damper belongs to electric power utensil technical field.

Background

On a high-voltage overhead line, a small hammer is usually hung on a wire close to two sides of an insulator, and the small hammer is called as a damper. The damper is used for reducing the vibration of the wire caused by wind force. The high-voltage overhead line has high pole position and large span, and can vibrate when the wire is acted by wind. The working conditions at the wire suspension are most unfavourable when the wire vibrates. Due to multiple vibrations, fatigue failure of the wire may occur due to periodic bending. When the span of the overhead line is more than 120 meters, a damper is generally adopted to prevent vibration.

The existing damper has unsatisfactory vibration-proof effect; and the existing damper is inconvenient to clamp the lead, and is easy to loosen after long-time use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a damper to the antivibration effect that proposes among the above-mentioned background is unsatisfactory, is not convenient for carry out the tight problem of clamp to the wire.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-vibration hammer comprises supporting blocks, wherein supporting rods are fixedly arranged on two sides of each supporting block, hammer bodies are fixedly arranged at one ends of the two supporting rods, first spring grooves are formed in the hammer bodies, supporting columns are fixedly arranged at the top ends and the bottom ends of the inner portions of the first spring grooves, a fixed block is connected to the outer portion of each supporting column in a sliding mode, a second spring groove is formed in the inner portion of each fixed block, a first spring is fixedly arranged in each second spring groove, one end of each first spring is fixedly connected with the inner wall of the corresponding fixed block, the other end of each first spring is fixedly connected with one end of the corresponding supporting column, an arc-shaped plate is fixedly arranged at one end of each fixed block, and a second spring is movably sleeved on the outer portion of each fixed block, every the one end of second spring all with one side fixed connection of arc, per two corresponding the steel ball has all been placed between the arc, the fixed connecting block that is equipped with in top of supporting shoe, the fixed mounting plate that is equipped with in one side on connecting block top, one side on mounting plate top is articulated through the hinge to have the buckle, the circular arc has all been seted up at the middle part of mounting plate one side and the middle part of buckle one side, two the equal fixed mounting in one side of circular arc has the rubber pad, the inside interlude of mounting plate is connected with the screw rod, the one end of screw rod passes mounting plate and buckle respectively and places in the bottom of buckle opposite side.

As an optimal technical scheme of the utility model, every the outside of support column is all fixed and is equipped with the limiting plate.

As an optimized technical scheme of the utility model, every the other end of second spring respectively with the inner wall fixed connection of hammer block.

As an optimized technical scheme of the utility model, two the sphere of steel ball all laminates with the opposite side of corresponding arc mutually.

As an optimized technical scheme of the utility model, the outside threaded connection of screw rod has the nut.

As an optimal technical scheme of the utility model, two one side of rubber pad is all fixed and is equipped with a plurality of bump.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a damper, through the mutual cooperation between the second spring and the arc-shaped plate and the steel ball, the steel ball carries out primary damping to the hammer body in the vibration process; meanwhile, through the mutual matching among the first spring, the support column, the limit plate and the fixed block, when the steel ball vibrates, secondary shock absorption is convenient for the hammer body, and through the mutual matching among the fastening plate, the hinge and the buckle plate, the lead is convenient to install; meanwhile, the rubber pads and the bulges are matched with each other, so that the friction between the rubber pads and the wires is increased conveniently, and the wires are prevented from loosening; through the screw rod that sets up and mutually supporting between the nut to be convenient for fix between mounting plate and the buckle, be convenient for then press from both sides the wire tightly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the fixing block of the present invention;

fig. 4 is a schematic side view of the fastening plate of the present invention.

In the figure: 1. a support block; 2. a support bar; 3. a hammer body; 4. a first spring groove; 5. a support pillar; 6. a fixed block; 7. a second spring groove; 8. a first spring; 9. a limiting plate; 10. an arc-shaped plate; 11. a second spring; 12. a steel ball; 13. connecting blocks; 14. a fastening plate; 15. a hinge; 16. buckling the plate; 17. a rubber pad; 18. a screw; 19. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a damper, which comprises a supporting block 1, supporting rods 2 are fixedly arranged on both sides of the supporting block 1, a hammer body 3 is fixedly arranged on one end of each supporting rod 2, a first spring groove 4 is arranged in each hammer body 3, supporting columns 5 are fixedly arranged on the top end and the bottom end of each first spring groove 4, a fixed block 6 is slidably connected on the outside of each supporting column 5, a second spring groove 7 is arranged in each fixed block 6, a first spring 8 is fixedly arranged in each second spring groove 7, one end of each first spring 8 is fixedly connected with the inner wall of the corresponding fixed block 6, the other end of each first spring 8 is fixedly connected with one end of the corresponding supporting column 5, an arc plate 10 is fixedly arranged on one end of each fixed block 6, a second spring 11 is movably sleeved on the outside of each fixed block 6, one end of each second spring 11 is fixedly provided with an arc-shaped plate 10, and a steel ball 12 is placed between the two arc-shaped plates 10, so that vibration prevention is facilitated; the top end of the supporting block 1 is fixedly provided with a connecting block 13, one side of the top end of the connecting block 13 is fixedly provided with a fastening plate 14, one side of the top end of the fastening plate 14 is hinged with a buckling plate 16 through a hinge 15, and the middle part of one side of the fastening plate 14 and the middle part of one side of the buckling plate 16 are both provided with circular arcs so as to be convenient for clamping wires; rubber pads 17 are fixedly mounted on one sides of the two arcs, a screw 18 is connected to the inside of the fastening plate 14 in an inserting mode, and one end of the screw 18 penetrates through the fastening plate 14 and the buckling plate 16 respectively and is arranged at the bottom of the other side of the buckling plate 16.

Preferably, a limiting plate 9 is fixedly arranged outside each supporting column 5, so that the supporting columns 5 are prevented from falling off, and a limiting effect is achieved; the other end of each second spring 11 is fixedly connected with the inner wall of the hammer body 3, so that primary vibration prevention is facilitated; the spherical surfaces of the two steel balls 12 are attached to the other side of the corresponding arc-shaped plate 10, so that the vibration frequency is reduced conveniently, and the vibration-proof effect is improved; the external thread of the screw 18 is connected with a nut 19, so that the pinch plate 16 can be fixed conveniently; one side of two rubber pads 17 is all fixed and is equipped with a plurality of bump, is convenient for increase friction.

When the damper is used, firstly, the buckle plate 16 is opened through the hinge 15 by rotating the nut 19, a lead is placed at one of the rubber pads 17, then the buckle plate 16 is buckled with each other, at the moment, the nut 19 is rotated to clamp and fix the damper, when the damper works, firstly, the steel ball 12 vibrates between the two arc-shaped plates 10, (because of the elastic support of the second spring 11, the two second springs 11 are matched with the arc-shaped plates 10, the primary damping is carried out on the hammer body 3, meanwhile, because of the elastic support of the first spring 8, the limiting plate 9 and the supporting column 5 are matched with the fixed block 6, the vibration of the arc-shaped plates 10 drives the fixed block 6 to vibrate, so as to carry out secondary damping on the damper, the vibration-proof effect of the damper is improved); when the damper needs to be disassembled, the nut 19 is rotated, the screw 18 is taken out, the buckle 16 is opened, and the damper is placed at a proper position.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Claims

1. The damper comprises a supporting block (1) and is characterized in that supporting rods (2) are fixedly arranged on two sides of the supporting block (1), hammer bodies (3) are fixedly arranged at one ends of the two supporting rods (2), first spring grooves (4) are formed in the two hammer bodies (3), supporting columns (5) are fixedly arranged at the top ends and the bottom ends of the inner portions of the two first spring grooves (4), a fixing block (6) is slidably connected to the outer portion of each supporting column (5), a second spring groove (7) is formed in each fixing block (6), a first spring (8) is fixedly arranged in each second spring groove (7), one end of each first spring (8) is fixedly connected with the inner wall of the corresponding fixing block (6), and the other end of each first spring (8) is fixedly connected with one end of the corresponding supporting column (5), every the equal fixed mounting in one end of fixed block (6) has arc (10), every second spring (11), every are cup jointed in the equal activity of outside of fixed block (6) every arc (10) are all fixed to be equipped with arc (10) of one end of second spring (11), every two are corresponding steel ball (12) have all been placed between arc (10), the fixed connecting block (13) that is equipped with in top of supporting shoe (1), one side on connecting block (13) top is fixed and is equipped with mounting plate (14), one side on mounting plate (14) top is articulated through hinge (15) has buckle (16), the circular arc has all been seted up at the middle part of middle part and buckle (16) one side of mounting plate (14) one side, two the equal fixed mounting in one side of circular arc has rubber pad (17), the inside interlude of mounting plate (14) is connected with screw rod (18), the one end of screw rod (18) is passed mounting plate (14) and buckle (16) respectively and is placed in buckle ) The bottom of the other side.

2. A damper as claimed in claim 1, wherein: every the outside of support column (5) all is fixed and is equipped with limiting plate (9).

3. A damper as claimed in claim 1, wherein: the other end of each second spring (11) is fixedly connected with the inner wall of the hammer body (3) respectively.

4. A damper as claimed in claim 1, wherein: the spherical surfaces of the two steel balls (12) are attached to the other side of the corresponding arc-shaped plate (10).

5. A damper as claimed in claim 1, wherein: the outer thread of the screw rod (18) is connected with a nut (19).

6. A damper as claimed in claim 1, wherein: one side of each of the two rubber pads (17) is fixedly provided with a plurality of salient points.