CN116131189A - Damper with liquid vibration damper - Google Patents

Abstract

The invention discloses the technical field of an anti-vibration hammer, in particular to an anti-vibration hammer with a liquid vibration damping device, which includes a wire clamp device installed on an optical cable and a shock absorbing mechanism fixed at the lower end of the wire clamp device; the wire clamp device includes The upper wire clamp connected with the optical cable and the lower wire clamp located below the upper wire clamp, the upper wire clamp and the lower wire clamp are connected by a buffer mechanism; the shock absorbing mechanism includes a horizontal bar fixed horizontally on the lower wire clamp, and one end of the horizontal bar is installed There is a sledgehammer, and a small hammer is installed at the other end of the horizontal bar, and a metal ball is suspended under the sledgehammer and the small hammer. The invention can effectively improve the vibration damping ability of the anti-vibration hammer according to the actual conditions in various places.

Description

Anti-vibration hammer with liquid vibration damping device

technical field

The invention relates to the technical field of anti-vibration hammers, in particular to an anti-vibration hammer with a liquid damping device.

Background technique

On the transmission line, the transmission line will vibrate when it is subjected to wind force, and multiple vibrations will cause fatigue damage to the transmission line. Therefore, it is necessary to install an anti-vibration hammer on the transmission line to reduce the vibration caused by the wind. The anti-vibration hammer The transmission line between two poles or towers will shake strongly under the action of wind. If it is not effectively restricted, the wire will be easily fatigued and damaged, and the wire will be broken, which will affect the normal operation of the power line. , When the shaking is severe, it may even damage the insulators and fittings connected at both ends of the wire, resulting in losses.

When the wire vibrates, the relative motion of the anti-vibration hammer suspended on the wire attracts the vibration energy of the wire, thereby reducing and eliminating the vibration of the wire. Limited by the installation position and mass distribution of the anti-vibration hammer, the anti-vibration hammer can only eliminate the vibration of a specific frequency. For vibrations of other frequencies, the damping ability of the anti-vibration hammer is poor.

Contents of the invention

The object of the present invention is to provide an anti-vibration hammer with a liquid vibration damping device to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

An anti-vibration hammer with a liquid damping device, comprising a wire clamp device installed on an optical cable, and a shock absorbing mechanism fixed at the lower end of the wire clamp device; the wire clamp device includes an upper wire clamp connected with the optical cable and a The lower wire clamp, the upper wire clamp and the lower wire clamp are connected by a buffer mechanism; the shock absorbing mechanism includes a horizontal bar fixed horizontally on the lower wire clamp, one end of the horizontal bar is equipped with a sledgehammer, and the horizontal bar The other end is equipped with a small hammer, and a metal ball is suspended below the sledgehammer and the small hammer; the metal ball is a hollow sphere with an upper end opening, a sealing mechanism is provided at the opening of the sphere, and a shock-absorbing mechanism is provided inside the sphere. Liquid; the sealing mechanism includes a sealing seat installed at the opening of the sphere and a sealing locking mechanism that rotates and cooperates with the sealing seat to realize the sealing function.

As a further improvement of the above technical solution:

The sealing seat is a cylindrical structure with an open upper end, and a slot is provided at the bottom of the sealing seat. The sealing locking mechanism includes a sealing plug whose size matches the sealing seat, a block located on the lower side of the sealing seat, and a The connector used to connect the clamping block and the sealing plug, the shape of the clamping block and the connector is suitable for the size of the slot, the sealing plug is horizontally provided with a movable groove, and a movable groove is installed in the movable groove for realizing The sealing seat and the locking part of the locking function of the sealing locking mechanism.

The locking member includes a locking spring horizontally arranged in the movable groove, a locking rod is respectively fixed at both ends of the locking spring, and the other end of the locking rod extends to the outside of the sealing plug through the movable groove, The cylindrical structure of the sealing seat is provided with a positioning hole matched with the locking rod, the locking rod is also provided with a push block extending vertically upward along its side, and the sealing plug is provided with The chute matched with the block, under the action of the locking spring, the locking rod can slide left and right along the movable groove through the pushing block, so as to realize the locking of the sealing seat and the sealing locking mechanism.

The buffer mechanism includes an upper connection block connected with the upper wire clamp and a lower connection block connected with the lower wire clamp, the upper connection block and the lower connection block are connected by a rigid wall plate, and are located on both sides of the rigid wall plate A rubber column is symmetrically arranged, and the two ends of the rubber column are respectively fixedly connected with the upper connecting block and the lower connecting block. The outer side of the rubber column is provided with a push-back spring, and the inside of the rubber column is vertically provided with a circular chute. A cushioning piece is installed in the circular chute.

The buffer member includes a limit rod installed in the circular chute, a buffer spring is provided at both ends of the limit rod, and the limit rod is positioned in the middle of the circular chute through the buffer springs at both ends. .

The upper clamp is in a U-shape as a whole, and the inner surface where the upper clamp is connected to the optical cable is provided with a protective pad, and the lower clamp is horizontally arranged in a cylindrical shape. Bar mounting holes.

It can be known from the above technical solution that the anti-vibration hammer with liquid damping device according to the present invention installs a buffer mechanism on the wire clamp device to prevent the reciprocating vibration of the reverse push spring, so that the upper wire clamp and the lower wire clamp can return to a stable state as soon as possible. , and by filling the metal ball with ethylene glycol-type antifreeze, when the anti-vibration hammer vibrates, the sledgehammer and small hammer at the left and right ends of the horizontal bar vibrate, and at the same time drive the metal ball to vibrate. When the metal ball vibrates, the center of gravity occurs Change, that is, the metal ball drives the ethylene glycol antifreeze to vibrate, and the liquid sloshes to generate wave force, which can also consume energy for the vibration of the wire, thereby reducing the vibration.

Description of drawings

Fig. 1 is the structural representation of the anti-vibration hammer with liquid damping device of the present invention;

Fig. 2 is a side view of the anti-vibration hammer structure with a liquid damping device of the present invention;

Fig. 3 is a cross-sectional view of the structure of the upper wire clip and buffer mechanism of the present invention;

Fig. 4 is the enlarged schematic view of the structure at A in Fig. 3;

Fig. 5 is a schematic diagram of the metal ball structure of the present invention;

Fig. 6 is a cross-sectional view of the metal ball structure of the present invention.

In the figure: 1, optical cable; 2, clamp device; 21, upper clamp; 22, lower clamp; 221, installation hole; 23, upper connection block; 24, lower connection block; 25, rigid wall plate; 26, rubber Column; 27, anti-push spring; 28, circular chute; 29, buffer piece; 291, limit rod; 292, buffer spring; 3, damping mechanism; 31, horizontal bar; 32, sledgehammer; 33, small Hammer; 34, metal ball; 35, sealing seat; 351, card slot; 352, positioning hole; 36, sealing locking mechanism; 361, sealing plug; 362, block; 363, connector; 364, movable groove; 365 , locking spring; 366, locking lever; 367, push block; 368, chute; 4, protective pad.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1 and 2, the anti-vibration hammer with a liquid damping device in this embodiment includes a clamp device 2 installed on the optical cable 1, and a shock absorbing mechanism 3 fixed at the lower end of the clamp device 2;

As shown in Figures 3 and 4, the clamp device 2 includes an upper clamp 21 connected to the optical cable 1 and a lower clamp 22 positioned below the upper clamp 21, the upper clamp 21 and the lower clamp 22 are connected by a buffer mechanism, and the The buffer mechanism provided can prevent the reverse push spring 27 from bouncing back and forth up and down.

The buffer mechanism includes an upper connection block 23 connected with the upper wire clamp 21 and a lower connection block 24 connected with the lower wire clamp 22. The upper connection block 23 and the lower connection block 24 are connected by a rigid wall plate 25, located at the edge of the rigid wall plate 25. Both sides are symmetrically provided with rubber columns 26, and the two ends of the rubber columns 26 are respectively fixedly connected with the upper connection block 23 and the lower connection block 24, and the outer side of the rubber column 26 is provided with a push-back spring 27, and the inside of the rubber column 26 is vertical A circular chute 28 is provided, and a buffer member 29 is installed in the circular chute 28 . The reverse push spring 27 of this embodiment meets certain elastic stiffness requirements, and the reverse push spring 27 can withstand the gravity of the sledgehammer 32, the small hammer 33 and the metal ball 34 to ensure the normal use of the device.

The buffer member 29 includes a limit rod 291 installed in the circular chute 28, and a buffer spring 292 is respectively provided at both ends of the limit rod 291, and the limit rod 291 is positioned on the circular chute 28 through the buffer springs 292 at both ends. In the middle part, when the reverse push spring 27 is compressed, the upper wire clamp 21 and the lower wire clamp 22 simultaneously press the rubber column 26 and the buffer spring 292 in the buffer mechanism, and the rebound makes the limit rod 291 slide along the circular chute 28, Simultaneously rubber column 26 limits the moving distance of stop bar 291, cooperates with stop bar 291 by the provided rubber post 26 and prevents back-and-forth spring 27 from shaking back and forth, thereby makes upper wire clamp 21 and lower wire clamp 22 get back to stable as soon as possible.

The upper wire clamp 21 of this embodiment example is integrally U-shaped, and the inner surface of the upper wire clamp 21 connected with the optical cable 1 is provided with a protective pad 4, and the lower wire clamp 22 is a cylindrical shape arranged horizontally, and the lower wire clamp 22 of the cylindrical shape is horizontally set. There are mounting holes 221 for mounting the bar 31 .

As shown in Figures 2, 5, and 6, the damping mechanism 3 includes a horizontal bar 31 horizontally fixed on the lower wire clamp 22, a large hammer 32 is installed at one end of the horizontal bar 31, and a small hammer 33 is installed at the other end of the horizontal bar 31. A metal ball 34 is suspended below the sledgehammer 32 and the small hammer 33; the metal ball 34 is a hollow sphere with an open upper end, the opening of the sphere is provided with a sealing mechanism, and the inside of the sphere is provided with shock absorbing fluid, and the sphere passes through the rope and The sledgehammer 32 and the small hammer 33 are connected. In this implementation example, the shock absorbing fluid adopts ethylene glycol type antifreeze. When the anti-vibration hammer vibrates, the sledgehammer 32 and the small hammer 33 at the left and right ends of the horizontal bar 31 vibrate, and at the same time drive the metal ball 34 to vibrate. When the metal ball 34 vibrates , the center of gravity changes, that is, the metal ball 34 drives the ethylene glycol type antifreeze to vibrate, and the liquid sloshes to generate a wave force, which can also consume energy for the vibration of the wire, thereby reducing the vibration.

As shown in Figures 5 and 6, the sealing mechanism includes a sealing seat 35 installed at the opening of the sphere and a sealing locking mechanism 36 that rotates and cooperates with the sealing seat 35 to realize the sealing function. The sealing seat 35 is a cylindrical structure with an upper end opening, and a card groove 351 is provided at the bottom of the sealing seat 35. The sealing locking mechanism 36 includes a sealing plug 361 whose size is suitable for the sealing seat 35, and a card on the lower side of the sealing seat 35. Block 362, and the connector 363 used to connect the block 362 and the sealing plug 361, the shape of the block 362 and the connector 363 is suitable for the size of the slot 351; the slot 351 of this embodiment adopts a butterfly shape The slot 351 is composed of a circular hole in the middle and two long holes on both sides of the circular hole. The two long holes communicate with the circular hole. This shape can facilitate the rotation of the sealing seat 35 and the sealing locking mechanism 36 . A movable groove 364 is horizontally provided in the sealing plug 361 , and a locking member for realizing the locking function of the sealing seat 35 and the sealing locking mechanism 36 is installed in the movable groove 364 . A sealing ring is installed between the sealing seat 35 and the sealing plug 361 , so that the sealing seat 35 and the metal ball 34 are sealed and connected.

The locking member includes a locking spring 365 horizontally arranged in the movable groove 364. A locking rod 366 is respectively fixed at both ends of the locking spring 365. The other end of the locking rod 366 extends to the outside of the sealing plug 361 through the movable groove 364, and the sealing seat 35 A positioning hole 352 matching with the locking rod 366 is provided on the cylindrical structure of the locking rod 366, and a push block 367 extending vertically upward along its side is provided on the locking rod 366, and a sliding block 367 is provided on the sealing plug 361 to cooperate with the pushing block 367. The slot 368 , under the action of the locking spring 365 , the locking rod 366 slides left and right along the movable slot 364 through the push block 367 , thereby realizing the locking of the sealing seat 35 and the sealing locking mechanism 36 .

Working principle: For different regions, according to the local meteorological data, metal balls 34 of different sizes can be selected to adjust the liquid volume in the ball to obtain the best shock absorption effect; when it is necessary to change the liquid volume in the metal ball 34, first seal the The two push blocks 367 on the upper end of the seat 35 are pushed inward, so that the locking rod 366 is moved out of the movable groove 364, and then the sealing seat 35 is rotated 90 degrees, so that the locking block 362 is rotated to the right below the chute 368. The seal seat 35 is taken out from the upper end of the metal ball 34, and then the volume of the ethylene glycol type antifreeze in the metal ball 34 can be increased or decreased, so as to meet the required requirements. After completion, the clamp at the lower end of the seal seat 35 The block 362 is inserted downward along the chute 368, so that the connector 363 is inserted downward along the slot 351, and at the same time, the push block 367 is pushed inward. When the sealing seat 35 is completely locked into the upper end of the metal ball 34, release the push block 367, and then rotate the sealing seat 35 ninety degrees, under the action of the elastic force of the locking spring 365, the locking rod 366 is inserted into the movable groove 364, and at the same time, the clamping block 362 is engaged with the metal ball 34, so that the sealing seat 35 and the metal ball The balls 34 are tightly connected.

The above-described embodiments are only descriptions of preferred implementations of the present invention, and are not intended to limit the scope of the present invention. All such modifications and improvements should fall within the scope of protection defined by the claims of the present invention.

Claims (6)

1. The utility model provides a take liquid vibration damper's damper which characterized in that: comprises a wire clamp device (2) arranged on an optical cable (1) and a damping mechanism (3) fixed at the lower end of the wire clamp device (2);

the wire clamp device (2) comprises an upper wire clamp (21) connected with the optical cable (1) and a lower wire clamp (22) positioned below the upper wire clamp (21), wherein the upper wire clamp (21) is connected with the lower wire clamp (22) through a buffer mechanism;

the damping mechanism (3) comprises a cross bar (31) horizontally fixed on the lower wire clamp (22), wherein a large hammer (32) is arranged at one end of the cross bar (31), a small hammer (33) is arranged at the other end of the cross bar (31), and metal balls (34) are hung below the large hammer (32) and the small hammer (33); the metal ball (34) is a hollow sphere with an opening at the upper end, a sealing mechanism is arranged at the opening of the sphere, and damping fluid is arranged in the sphere;

the sealing mechanism comprises a sealing seat (35) arranged at the opening of the sphere and a sealing locking mechanism (36) which is rotationally matched with the sealing seat (35) to realize the sealing function.

2. The damper with liquid vibration damping device according to claim 1, wherein: the sealing seat (35) is of a cylindrical structure with an open upper end, a clamping groove (351) is formed in the bottom of the sealing seat (35), the sealing locking mechanism (36) comprises a sealing plug (361) with the size matched with the sealing seat (35), a clamping block (362) located on the lower side face of the sealing seat (35), and a connecting piece (363) used for connecting the clamping block (362) with the sealing plug (361), the clamping block (362) and the connecting piece (363) form a shape matched with the clamping groove (351) in size, a movable groove (364) is formed in the sealing plug (361), and a locking piece used for realizing the locking function of the sealing seat (35) and the sealing locking mechanism (36) is arranged in the movable groove (364).

3. The damper with liquid vibration damping device according to claim 2, wherein: the locking piece comprises a locking spring (365) horizontally arranged in the movable groove (364), two ends of the locking spring (365) are respectively fixed with a locking rod (366), the other end of the locking rod (366) extends to the outer side of the sealing plug (361) through the movable groove (364), a positioning hole (352) matched with the locking rod (366) is formed in a cylindrical structure of the sealing seat (35), a pushing block (367) vertically extending upwards along the side face of the locking rod (366) is further arranged on the locking rod (366), a sliding groove (368) matched with the pushing block (367) is formed in the sealing plug (361), and the locking rod (366) slides left and right in the movable groove (364) under the action of the locking spring (365) through the pushing block (367), so that the sealing seat (35) and the sealing locking mechanism (36) are locked.

4. The damper with liquid vibration damping device according to claim 1, wherein: the buffer mechanism comprises an upper connecting block (23) connected with an upper wire clamp (21) and a lower connecting block (24) connected with a lower wire clamp (22), wherein the upper connecting block (23) is connected with the lower connecting block (24) through a rigid wall plate (25), rubber columns (26) are symmetrically arranged on two sides of the rigid wall plate (25), two ends of each rubber column (26) are fixedly connected with the upper connecting block (23) and the lower connecting block (24) respectively, a thrust-reversing spring (27) is sleeved on the outer side of each rubber column (26), a round chute (28) is vertically formed in the rubber column (26), and a buffer piece (29) is arranged in the round chute (28).

5. The damper with liquid vibration damping device according to claim 4, wherein: the buffer piece (29) comprises a limiting rod (291) arranged in the circular chute (28), two ends of the limiting rod (291) are respectively provided with a buffer spring (292), and the limiting rod (291) is positioned in the middle of the circular chute (28) through the buffer springs (292) at the two ends.

6. The damper with liquid vibration damping device according to claim 5, wherein: the upper wire clamp (21) is integrally U-shaped, a protection pad (4) is arranged on the inner side surface of the upper wire clamp (21) connected with the optical cable (1), the lower wire clamp (22) is horizontally arranged in a cylindrical shape, and a mounting hole (221) for mounting the cross bar (31) is horizontally formed in the lower wire clamp (22).

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