CN222975643U

CN222975643U - A friction pendulum ball bearing

Info

Publication number: CN222975643U
Application number: CN202421536591.XU
Authority: CN
Inventors: 张现超; 张涛
Original assignee: Hengshui Zhili Engineering Rubber Co ltd
Current assignee: Hengshui Zhili Engineering Rubber Co ltd
Priority date: 2024-07-01
Filing date: 2024-07-01
Publication date: 2025-06-13
Anticipated expiration: 2034-07-01

Abstract

The utility model discloses a friction pendulum spherical support, which relates to the technical field of spherical supports and comprises a basin body and a connecting plate, wherein a damping block is arranged in the basin body, a bottom steel plate is arranged above the damping block, a supporting component for elastically supporting the bottom steel plate is arranged in the damping block, a first hemispherical groove is formed in the upper surface of the bottom steel plate, a top steel plate is fixedly connected to the connecting plate, and a second hemispherical groove is formed in the bottom surface of the top steel plate. The utility model has reasonable design structure, and by arranging the damping blocks made of rubber in the basin body, the necessary elasticity is provided to absorb impact force and vibration generated by a bridge under the passing of vehicles or other dynamic loads, the buffer capacity of the impact force is further enhanced by the springs in the supporting component, and the damping rings are matched for use, so that the effective damping and dispersion of the longitudinal impact force are realized, and the damping efficiency and the service life of the support are obviously improved.

Description

Friction pendulum ball type support

Technical Field

The utility model relates to the technical field of spherical supports, in particular to a friction pendulum spherical support.

Background

The friction pendulum ball type support is characterized in that the vibration reduction of the bridge is realized by utilizing the principle of a pendulum clock, and the tensile friction pendulum ball type support is generally divided into a unidirectional type, a bidirectional type and a fixed type, and moves along the transverse bridge direction and the forward bridge direction through a stainless steel plate, so that the stress load of the bottom of the bridge is reduced, and the vibration reduction effect of the bridge is realized.

In the chinese patent with the bulletin number CN210341614U, a pull-out resistant friction pendulum ball type support is disclosed, it cuts the bolt when the earthquake so that the support can be along the direction of a and B, realizes the shock attenuation effect to the bridge, and the corrosion resistant plate passes through the baffle and has spacing between the lower support simultaneously for the device possesses the resistance to plucking, and the component produces great collision in the device when avoiding bridge vibrations.

Although the device plays the effect of anti-pulling through spacing between baffle and the lower support, because the current of vehicle can produce certain impact, vibrations on the upper support when the bridge uses, and only rely on the antifriction plate to play the effect to impact force buffering on the spherical crown, and the vibrations of spherical crown can also cause the recess on the antifriction plate plane, can the antifriction plate appear the card dead phenomenon on the spherical crown when serious, influence the supporting effect to the bridge. Therefore, a friction pendulum spherical support is provided to solve the above problems.

Disclosure of utility model

First) solving the technical problems

The utility model aims to make up the defects of the prior art and provides a friction pendulum spherical support.

Two) technical scheme

In order to achieve the above purpose, the friction pendulum spherical support comprises a basin body and a connecting plate, wherein a shock absorption block is arranged in the basin body, a bottom steel plate is arranged above the shock absorption block, a supporting component for elastically supporting the bottom steel plate is arranged in the shock absorption block, a first hemispherical groove is formed in the upper surface of the bottom steel plate, a top steel plate is fixedly connected onto the connecting plate, a second hemispherical groove is formed in the bottom surface of the top steel plate, a spherical crown is arranged between the first hemispherical groove and the second hemispherical groove, and a second wear-resisting plate and a first wear-resisting plate are respectively arranged on the upper surface and the bottom surface of the spherical crown.

Further, the basin body is provided with a base plate through bolts, the base plate is provided with a first mounting groove, the connecting plate is provided with a top base plate through bolts, and the top base plate is provided with a second mounting groove.

Further, the shock-absorbing block is fixedly connected with a protruding block, a positioning groove is formed in the bottom surface of the bottom steel plate, and the protruding block is inserted into the positioning groove.

Furthermore, through grooves are formed in the damping block and the protruding block, and the two through grooves are communicated.

Further, the supporting component comprises a storage barrel, the slide hole has all been seted up to the upper surface and the bottom surface of storage barrel, two equal sliding connection has the slide bar in the slide hole, two the equal fixedly connected with fixed block of one end that the slide bar kept away from each other, and two fixed blocks install respectively in the interior bottom wall of basin body and support in the bottom surface of bottom steel sheet, two the equal fixedly connected with slide of one end that the slide bar is close to each other, two all install the damping ring on the slide, and the damping ring supports and lean on in the inner wall of storage barrel.

Furthermore, springs are sleeved on the two sliding rods, and two ends of each spring are fixedly connected to the storage barrel and the sliding seat respectively.

Third), beneficial effects:

Compared with the prior art, the friction pendulum spherical support has the following beneficial effects:

according to the utility model, the damping blocks made of rubber are arranged in the basin body, so that necessary elasticity is provided to absorb impact force and vibration generated by a bridge under the condition of vehicle passing or other dynamic loads, the buffer capacity of the impact force is further enhanced by means of the springs in the supporting component, and the damping rings are matched for use, so that effective damping and dispersion of longitudinal impact force are realized, and the damping efficiency and the service life of the support are obviously improved.

Drawings

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

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

fig. 3 is a schematic structural view of the support assembly of the present utility model.

The device comprises a basin body, a damping block, a protruding block, a through groove, a bottom steel plate, a positioning groove, a first hemispherical groove, a top steel plate, a second hemispherical groove, a spherical crown, a first wear-resisting plate, a second wear-resisting plate, a connecting plate, a base plate, a first mounting groove, a second mounting groove, a top seat plate, a second mounting groove, a storage cylinder, a sliding hole, a sliding rod, a sliding seat, a damping ring, a spring, a fixed block, a damping ring, a spring and a fixing block.

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.

As shown in fig. 1-3, the utility model provides a technical scheme that the friction pendulum spherical support comprises a basin body 1 and a connecting plate 13, wherein a base plate 14 is arranged on the basin body 1 through bolts, a first mounting groove 15 is formed in the base plate 14, the base plate 14 can be fixed through mounting anchor rods in the first mounting groove 15, a top seat plate 16 is arranged on the connecting plate 13 through bolts, a second mounting groove 17 is formed in the top seat plate 16, and the top seat plate 16 can be fixed through mounting the anchor rods in the second mounting groove 17.

Be provided with snubber block 2 in basin body 1, snubber block 2 selects for use the rubber material, possesses certain elasticity, and bottom steel sheet 5 has been placed to snubber block 2's top, and fixed connection has lug 3 on snubber block 2, and constant head tank 6 has been seted up to bottom steel sheet 5's bottom surface, and lug 3 peg graft in constant head tank 6, and accessible lug 3 and constant head tank 6 are fixed a position bottom steel sheet 5 of placing on snubber block 2, and snubber block 2 can directly cushion bottom steel sheet 5 upward force.

The shock absorber 2 and the bump 3 are provided with through grooves 4, the two through grooves 4 are communicated, and the through grooves 4 are positioned at the center of the shock absorber 2 and the bump 3.

Be provided with in the snubber block 2 and be used for the supporting component to bottom steel sheet 5 elastic support, supporting component includes the receiving tube 18, the slide opening 19 has all been seted up to the upper surface and the bottom surface of receiving tube 18, equal sliding connection has slide bar 20 in two slide openings 19, the equal fixedly connected with fixed block 24 of one end that two slide bars 20 kept away from each other, and two fixed blocks 24 install respectively in the interior bottom wall of basin body 1 and support in the bottom surface of bottom steel sheet 5, the equal fixedly connected with slide 21 of one end that two slide bars 20 are close to each other, all install damping ring 22 on two slide 21, and damping ring 22 supports in the inner wall of receiving tube 18.

When the longitudinal impact force occurs on the connecting plate 13, the force can be transmitted to the fixed block 24 through the bottom steel plate 5, so that the fixed block 24 drives the sliding rods 20 to slide at the sliding holes 19, the impact force is damped through the damping rings 22, springs 23 are sleeved on the two sliding rods 20, two ends of each spring 23 are fixedly connected to the storage barrel 18 and the sliding seat 21 respectively, and the impact force is buffered through deformation of the springs 23 after being stressed.

The first hemisphere groove 7 has been seted up to the upper surface of bottom steel sheet 5, fixedly connected with top steel sheet 8 on the connecting plate 13, and second hemisphere groove 9 has been seted up to the bottom surface of top steel sheet 8, is provided with spherical crown 10 between first hemisphere groove 7 and the second hemisphere groove 9, and the upper surface and the bottom surface of spherical crown 10 are provided with second antifriction plate 12 and first antifriction plate 11 respectively.

The top steel plate 8 swings on the spherical crown 10 through the second hemispherical groove 9 and the second wear-resistant plate 12, and the bottom steel plate 5 can swing on the spherical crown 10 through the first hemispherical groove 7 and the first wear-resistant plate 11, so that the vibration absorption effect on the bridge is achieved through the swinging of the bottom steel plate 5 or the swinging of the top steel plate 8.

It should be noted that, in the present document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. refer to an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and the terms "first", "second", "third" are used only for descriptive purposes and should not be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly specified and defined, the terms "fixedly attached", "mounted", "connected", or integrally connected ", for example," mounted "may be fixedly connected" or integrally connected ", may be mechanically connected" or electrically connected "or may be directly connected or indirectly connected through intermediate medium, or may be in communication between two elements. 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The friction pendulum spherical support comprises a basin body (1) and a connecting plate (13) and is characterized in that a damping block (2) is arranged in the basin body (1), a bottom steel plate (5) is arranged above the damping block (2), a supporting component for elastically supporting the bottom steel plate (5) is arranged in the damping block (2), a first hemispherical groove (7) is formed in the upper surface of the bottom steel plate (5), a top steel plate (8) is fixedly connected to the connecting plate (13), a second hemispherical groove (9) is formed in the bottom surface of the top steel plate (8), a spherical crown (10) is arranged between the first hemispherical groove (7) and the second hemispherical groove (9), and a second wear-resisting plate (12) and a first wear-resisting plate (11) are respectively arranged on the upper surface and the bottom surface of the spherical crown (10);

The support assembly comprises a storage barrel (18), slide holes (19) are formed in the upper surface and the bottom surface of the storage barrel (18), slide rods (20) are connected to the slide holes (19) in a sliding mode, fixing blocks (24) are fixedly connected to one ends, away from each other, of the slide rods (20), the two fixing blocks (24) are respectively arranged on the inner bottom wall of the basin body (1) and the bottom surface of the bottom steel plate (5), sliding seats (21) are fixedly connected to one ends, close to each other, of the slide rods (20), damping rings (22) are respectively arranged on the two sliding seats (21), the damping rings (22) are abutted to the inner wall of the storage barrel (18), springs (23) are respectively sleeved on the two slide rods (20), and two ends of each spring (23) are respectively fixedly connected to the storage barrel (18) and the sliding seats (21).

2. The friction pendulum spherical support according to claim 1, wherein the basin body (1) is provided with a base plate (14) through bolts, the base plate (14) is provided with a first mounting groove (15), the connecting plate (13) is provided with a top base plate (16) through bolts, and the top base plate (16) is provided with a second mounting groove (17).

3. The friction pendulum spherical support according to claim 1, wherein the shock absorption block (2) is fixedly connected with a bump (3), a positioning groove (6) is formed in the bottom surface of the bottom steel plate (5), and the bump (3) is inserted into the positioning groove (6).

4. A friction pendulum ball type support according to claim 3 is characterized in that through grooves (4) are formed in the shock absorption block (2) and the protruding blocks (3), and the two through grooves (4) are communicated.