CN215561884U

CN215561884U - Damping support for bridge design

Info

Publication number: CN215561884U
Application number: CN202121489643.9U
Authority: CN
Inventors: 廖然; 王思源; 李文治
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-18
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a shock absorption support for bridge design, which comprises a supporting steel plate, a abdicating groove, a supporting spring, a sliding groove, a sliding rod, a shock absorption rubber sleeve, a bearing steel plate, an interlayer steel plate and a sliding block, wherein the shock absorption rubber sleeve is arranged between the supporting steel plate and the bearing steel plate, the supporting steel plate, the bearing steel plate and the shock absorption rubber sleeve are matched to form a support, the interlayer steel plate is arranged in the shock absorption rubber sleeve, the interlayer steel plate is positioned in the middle of the shock absorption rubber sleeve, one ends of a plurality of sliding rods are arranged at the lower part of the interlayer steel plate at equal angles through rotating lugs, the upper center of the supporting steel plate is provided with an abdicating groove, the abdicating groove is a circular groove, the groove bottom of the abdicating groove is provided with a plurality of sliding grooves at equal angles, and the sliding grooves and the sliding rods correspond to one another. The utility model overcomes the defects of the prior art, can form multi-stage shock absorption, absorbs and buffers shock force, has good shock absorption effect, and can further restrain transverse deformation.

Description

Damping support for bridge design

Technical Field

The utility model relates to the technical field of bridge engineering, in particular to a damping support for bridge design.

Background

The bridge girder support means a device which is erected on an abutment and whose top surface supports an upper structure of a bridge, and functions to fix the upper structure to the abutment, to receive various forces acting on the upper structure, and to reliably transmit it to the abutment, under the action of load, temperature, concrete shrinkage and creep, the support can adapt to the corner and displacement of the superstructure, so that the superstructure can be freely deformed without generating additional internal force, the bridge support has the damping effect, the bridge anti-seismic support has two types of flexible support and damping support, the rubber support is a flexible supporting device which is widely applied and has the best practicability in the world, the existing rubber anti-seismic support is usually formed by combining a rubber layer and a steel plate so as to bear loads in different directions, the anti-seismic support is unstable in transverse deformation constraint force, so that the anti-seismic base is easy to deviate and the anti-seismic effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a shock absorption support for bridge design, which can form multi-stage shock absorption, absorb and buffer shock force, has good shock absorption effect and can further restrain transverse deformation.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a shock absorption support for bridge design comprises a supporting steel plate, a yielding groove, a support spring, a sliding groove, sliding rods, a shock absorption rubber sleeve, a bearing steel plate, an interlayer steel plate and a sliding block, wherein the shock absorption rubber sleeve is arranged between the supporting steel plate and the bearing steel plate, the supporting steel plate, the bearing steel plate and the shock absorption rubber sleeve are matched to form a support, the interlayer steel plate is arranged inside the shock absorption rubber sleeve, the interlayer steel plate is positioned in the middle of the shock absorption rubber sleeve, one end of a plurality of sliding rods is arranged at the lower part of the interlayer steel plate through rotating lugs at equal angles, the upper part center of the supporting steel plate is provided with the yielding groove, the yielding groove is a circular groove, the groove bottom of the yielding groove and the like are uniformly provided with a plurality of sliding grooves in equal angles, the sliding grooves and the sliding rods correspond one to one another, the longitudinal section of each sliding groove is of an inverted T shape, the sliding block can be arranged inside the sliding groove in a sliding way, and the sliding block is close to the center of the yielding groove, be provided with between the cell wall of sliding block and sliding tray and support the spring, the sliding block extends to the sliding tray directly over, the other end one-to-one of sliding block and slide bar, and be connected, the equal angularly even a plurality of bearing device that are provided with in upper portion of intermediate layer steel sheet, bearing device includes: shock tube, telescopic link, shock attenuation bed course and damping spring, the fixed upper portion of arranging intermediate layer steel sheet in of shock tube, the inside of shock tube is arranged in to the one end telescopic of telescopic link, one of telescopic link is served and is provided with the clamp plate, be provided with the limiting plate on the other end of telescopic link, the upper portion and the bearing steel sheet fixed connection of limiting plate, be provided with damping spring between the lower part of limiting plate and the upper portion of shock tube, the damping spring overlaps and arranges in on the telescopic link.

Furthermore, the quantity of slide bar is 4-8, the slide bar is the arc pole, the slide bar is made by the elastic metal material, can make the slide bar have certain deformability, and the elasticity that produces through slide bar self deformation cushions the damping to shaking force.

Furthermore, the number of the supporting devices is 4-6, and the vibration force transmitted on the supporting steel plate can be uniformly dispersed and eliminated.

Furthermore, a damping cushion layer is arranged between the pressing plate and the bottom of the damping cylinder, and the vibration force can be further absorbed and absorbed through the damping cushion layer.

Furthermore, the shock pad layer is made by the rubber material, the shock pad layer is the ripple structure, improvement shock pad layer's that can be further damping performance.

Compared with the prior art, the utility model has the advantages that: the supporting device provided by the utility model can absorb and eliminate the vibration force transmitted on the supporting steel plate; the arranged sliding rod, the supporting spring and the sliding groove can further disperse and eliminate the vibration force transmitted on the sandwich steel plate, so that multi-stage buffering is formed, and the damping effect is good.

Drawings

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

Fig. 2 is a schematic structural view of the support steel plate of the present invention.

Figure 3 is a schematic diagram of the construction of the support apparatus of the present invention.

As shown in the figure: 1. a support steel plate; 2. a yielding groove; 3. a support spring; 4. a sliding groove; 5. a slide bar; 6. a shock-absorbing rubber sleeve; 7. supporting a steel plate; 8. a damper cylinder; 9. a telescopic rod; 10. a shock absorbing cushion layer; 11. a damping spring; 12. a sandwich steel plate; 13. and a slider.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model relates to a shock absorption support for bridge design, which comprises a supporting steel plate 1, a abdicating groove 2, a support spring 3, a sliding groove 4, a sliding rod 5, a shock absorption rubber sleeve 6, a supporting steel plate 7, an interlayer steel plate 12 and a sliding block 13, wherein the shock absorption rubber sleeve 6 is arranged between the supporting steel plate 1 and the supporting steel plate 7, the supporting steel plate 1, the supporting steel plate 7 and the shock absorption rubber sleeve 6 are matched to form a support, the interlayer steel plate 12 is arranged in the shock absorption rubber sleeve 6, the interlayer steel plate 12 is positioned in the middle of the shock absorption rubber sleeve 6, one end of a plurality of sliding rods 5 is arranged at the lower part of the interlayer steel plate 12 at equal angles through a rotating lug, the abdicating groove 2 is arranged at the center of the upper part of the supporting steel plate 1, the abdicating groove 2 is a circular groove, a plurality of sliding grooves 4 are uniformly arranged at equal angles at the bottom of the abdicating groove 2, the sliding grooves 4 and the sliding rods 5 are in one-to-one correspondence, the longitudinal section of sliding tray 4 is the type of falling T, and sliding block 13 slidable arranges the inside of sliding tray 4 in, sliding block 13 is close to the center of groove 2 of stepping down, be provided with between the cell wall of sliding block 13 and sliding tray 4 and support spring 3, sliding block 13 extends to sliding tray 4 directly over, sliding block 13 and slide bar 5's the other end one-to-one, and be connected, the even a plurality of supporting devices that are provided with of angle such as the upper portion of intermediate layer steel sheet 12, supporting device includes: shock tube 8, telescopic link 9, shock attenuation bed course 10 and damping spring 11, the fixed upper portion of arranging intermediate layer steel sheet 12 in of shock tube 8, the inside of shock tube 8 is arranged in to the one end telescopic of telescopic link 9, one of telescopic link 9 is served and is provided with the clamp plate, be provided with the limiting plate on the other end of telescopic link 9, the upper portion and the 7 fixed connection of bearing steel sheet of limiting plate, be provided with damping spring 11 between the lower part of limiting plate and the upper portion of shock tube 8, damping spring 11 overlaps and arranges in on telescopic link 9.

The quantity of slide bar 5 is 4-8, slide bar 5 is the arc pole, slide bar 5 is made by the elastic metal material, the quantity of bearing device is 4-6, be provided with shock pad layer 10 between the barrel head of clamp plate and damper cylinder 8, shock pad layer 10 is made by the rubber material, shock pad layer 10 is the ripple structure, be provided with the mounting hole on the bearing steel sheet 7, be provided with the mounting hole on the supporting steel sheet 1, but intermediate layer steel sheet 12 and shock attenuation gum cover 6 relative slip.

The working principle of the utility model is as follows: when bearing steel sheet 7 receives vibrations, shock attenuation gum cover 6 and supporting device carry out preliminary absorption buffering transmission to shaking force for slide bar 5 drives sliding block 13 and slides in sliding tray 4 is inside, and the spring stress through supporting spring 3 supports the further disappearance of shaking force, with this formation multistage buffering, and the shock attenuation is effectual.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a damping support for bridge design which characterized in that: the damping rubber sleeve comprises a supporting steel plate (1), a yielding groove (2), a supporting spring (3), a sliding groove (4), sliding rods (5), a damping rubber sleeve (6), a bearing steel plate (7), an interlayer steel plate (12) and a sliding block (13), wherein the damping rubber sleeve (6) is arranged between the supporting steel plate (1) and the bearing steel plate (7), the supporting steel plate (1) and the bearing steel plate (7) are matched to form a support, the interlayer steel plate (12) is arranged inside the damping rubber sleeve (6), the interlayer steel plate (12) is positioned in the middle of the damping rubber sleeve (6), one end of a plurality of sliding rods (5) is arranged at the lower part of the interlayer steel plate (12) at an angle such as a rotating lug, the yielding groove (2) is formed in the center of the upper part of the supporting steel plate (1), the yielding groove (2) is a circular groove, and a plurality of sliding grooves (4) are uniformly formed at the same angle at the bottom of the yielding groove (2), sliding tray (4) and slide bar (5) one-to-one, the longitudinal section of sliding tray (4) is the type of falling T, and the inside of sliding tray (4) is arranged in to sliding block (13) slidable, sliding block (13) are close to the center of groove (2) of stepping down, be provided with between the cell wall of sliding block (13) and sliding tray (4) and support spring (3), sliding block (13) extend to directly over sliding tray (4), the other end one-to-one of sliding block (13) and slide bar (5), and be connected, the even a plurality of supporting devices that are provided with of angle such as upper portion of intermediate layer steel sheet (12), supporting device includes: shock attenuation section of thick bamboo (8), telescopic link (9), shock attenuation bed course (10) and damping spring (11), the fixed upper portion of arranging intermediate layer steel sheet (12) in of shock attenuation section of thick bamboo (8), the inside of shock attenuation section of thick bamboo (8) is arranged in to the one end telescopic of telescopic link (9), be provided with the clamp plate on one end of telescopic link (9), be provided with the limiting plate on the other end of telescopic link (9), the upper portion and bearing steel sheet (7) fixed connection of limiting plate, be provided with damping spring (11) between the lower part of limiting plate and the upper portion of shock attenuation section of thick bamboo (8), damping spring (11) cover is arranged in on telescopic link (9).

2. The shock-absorbing support for bridge design according to claim 1, wherein: the number of the sliding rods (5) is 4-8, the sliding rods (5) are arc-shaped rods, and the sliding rods (5) are made of elastic metal materials.

3. The shock-absorbing support for bridge design according to claim 1, wherein: the number of the supporting devices is 4-6.

4. The shock-absorbing support for bridge design according to claim 1, wherein: and a damping cushion layer (10) is arranged between the pressure plate and the bottom of the damping cylinder (8).

5. The shock-absorbing support for bridge design according to claim 4, wherein: the shock absorption cushion layer (10) is made of rubber materials, and the shock absorption cushion layer (10) is of a corrugated structure.