CN212357956U

CN212357956U - Bridge damping support between pier and bridge

Info

Publication number: CN212357956U
Application number: CN202020607465.4U
Authority: CN
Inventors: 沈中华
Original assignee: Individual
Current assignee: Cheng Xiaodan; Gong Zongming; Jiangsu Leading Mengmaole Zhizao Technology Group Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-01-15
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a bridge damping support between pier and bridge belongs to the bridge engineering field. The utility model provides a bridge damping bearing between pier and bridge, includes the bridge plate and is located the pier of bridge plate below, the top of pier has set firmly the supporting seat, the top of pier still is equipped with the movable seat of cover on the supporting seat, the symmetry is equipped with a plurality of damping spring between movable seat and the bridge plate, it has a plurality of lifters, every to rotate the cartridge on the diapire of movable seat the equal activity of bottom of lifter is inserted and is established on the pier, every the equal spiral in bottom of lifter is pegged graft and is had the actuating lever, every driven gear is all installed to the bottom of actuating lever. The utility model discloses the sliding seat of liftable has been set up between pier and bridge plate to install damping spring between bridge plate and sliding seat, the sliding seat can be reduced when the spring needs to be changed and the spring is got and is put, rises the sliding seat afterwards and can accomplish the change process, does not influence the shock attenuation effect of spring.

Description

Bridge damping support between pier and bridge

Technical Field

The utility model relates to a bridge engineering field, more specifically say, relate to a bridge damping bearing between pier and bridge.

Background

The bridge engineering refers to the working process of bridge surveying, designing, constructing, maintaining, detecting and the like. Bridge engineering mainly studies bridge crossing design, determines bridge aperture, considers navigation and line requirements to determine bridge deck height, considers that a base is not scoured or frozen to determine foundation embedment depth, designs a diversion building and the like; designing a bridge scheme; designing a bridge structure; constructing a bridge; bridge verification; bridge test; bridge maintenance and the like.

The damping problem of bridges has been an important design part in bridge construction, and the damping capacity is an important characteristic determining the stability and durability of bridges. At present, when the bridge is damped, a lot of springs are arranged between the bridge pier and the bridge to buffer the vibration from the bridge floor, and the effect is obvious. However, after long-time use, the spring is easy to corrode, the damping and buffering effects of the spring are greatly influenced, and therefore the spring needs to be replaced on time.

In view of this, we propose a bridge damping mount between a pier and a bridge.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a bridge damping bearing between pier and the bridge to solve the problem that the damping spring who proposes the bridge is not convenient for change among the above-mentioned background art.

2. Technical scheme

The utility model provides a bridge damping bearing between pier and bridge, includes the bridge plate and is located the pier of bridge plate below, the top of pier has set firmly the supporting seat, the top of pier still is equipped with the movable seat of cover on the supporting seat, the symmetry is equipped with a plurality of damping spring between movable seat and the bridge plate, it has a plurality of lifters, every to rotate the cartridge on the diapire of movable seat the equal activity of bottom of lifter is inserted and is established on the pier, every the equal spiral grafting in bottom of lifter has the actuating lever, every driven gear is all installed to the bottom of actuating lever, the gear chamber has been seted up to the inside of pier, the internal rotation in gear chamber installs the drive gear that every driven gear all meshed, the inside of pier still installs and carries out driven control assembly to drive gear.

Preferably, each outer side wall of the driving rod is provided with a thread, the bottom end of the lifting rod is provided with a threaded hole meshed with the driving rod, each driving rod is provided with a horizontal clamping plate, and the clamping plates are movably clamped in the bridge pier.

Preferably, the control assembly includes the carousel, the operation mouth has been seted up on the lateral wall of pier, the carousel is located the inside of operation mouth, common cartridge has the pivot on carousel and the drive gear, a plurality of inserted bars are installed to the equidistance on the lateral wall of carousel.

Preferably, a damping telescopic rod is installed on the top wall inside the operation opening and extends into the operation opening.

Preferably, every the connecting plate is all installed on the top of lifter, every the connecting plate is all fixed to be inlayed and is established on the diapire of sliding seat.

Preferably, the top wall of the movable seat and the bottom wall of the bridge plate are both provided with spring grooves matched with the damping springs.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses set up the adjustable seat of liftable between pier and bridge plate to install damping spring between bridge plate and adjustable seat, can lower the adjustable seat and get the spring and put when needing to change the spring, rise the adjustable seat afterwards and can accomplish the change process, do not influence the shock attenuation effect of spring;

2. the convenient driving part is designed to control the lifting of the movable seat, the movable seat can be quickly lowered when the damping spring is replaced, the support of the bridge plate is not influenced, the operation is convenient, the damping telescopic rods are arranged to limit the rotary table, and the movable seat is prevented from automatically sliding downwards.

Drawings

Fig. 1 is a front sectional view of the overall structure of the present invention;

fig. 2 is a schematic side view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the structure of part A of the present invention;

the reference numbers in the figures illustrate: 1. a bridge plate; 2. a supporting seat; 3. a movable seat; 4. a damping spring; 5. a connecting plate; 6. a lifting rod; 7. a bridge pier; 8. a driven gear; 9. a drive rod; 10. a drive gear; 11. a rotating shaft; 12. a turntable; 13. damping telescopic rods; 14. an operation port; 15. inserting a rod; 16. a spring slot.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution:

a shock-absorbing bridge support between bridge piers comprises a bridge plate 1 and bridge piers 7 located below the bridge plate 1, wherein a supporting seat 2 is fixedly arranged at the top end of each bridge pier 7, a movable seat 3 sleeved on the supporting seat 2 is further arranged above each bridge pier 7, a plurality of shock-absorbing springs 4 are symmetrically arranged between each movable seat 3 and each bridge plate 1, the height of each supporting seat 2 is slightly lower than the normal height of the bottom surface of each bridge plate 1, the bridge plates 1 can be supported when the shock-absorbing springs 4 are replaced, the falling problem of the bridge plates 1 is avoided, spring grooves 16 matched with the shock-absorbing springs 4 are respectively arranged on the top wall of each movable seat 3 and the bottom wall of each bridge plate 1, the shock-absorbing springs 4 can be conveniently fixed by the arrangement of the spring grooves 16, the shock-absorbing springs are prevented from deviating and falling off, a plurality of lifting rods 6 are rotatably inserted on the bottom wall of each movable seat 3, a connecting plate 5 is arranged at the top end of each lifting, install lifter 6 through connecting plate 5, the connection effect is more stable, the equal activity of the bottom of every lifter 6 is inserted and is established on pier 7, the equal spiral of the bottom of every lifter 6 is pegged graft and is had actuating lever 9, all set up screw thread on the lateral wall of every actuating lever 9, the screw hole with 9 intermeshing of actuating lever is seted up to the bottom of lifter 6, the horizontally cardboard is all installed on every actuating lever 9, cardboard activity card is established in pier 7, establish actuating lever 9 card in pier 7 through the cardboard, make the highly fixed of actuating lever 9, and do not influence rotatoryly.

The bottom end of each driving rod 9 is provided with a driven gear 8, a gear cavity is formed inside each pier 7, a driving gear 10 meshed with each driven gear 8 is rotatably arranged inside each gear cavity, a control assembly for driving the driving gear 10 is further arranged inside each pier 7, the control assembly comprises a rotary table 12, an operation opening 14 is formed in the side wall of each pier 7, the rotary table 12 is located inside the operation opening 14, a rotating shaft 11 is jointly inserted into the rotary table 12 and the driving gear 10, a plurality of inserting rods 15 are arranged on the outer side wall of the rotary table 12 at equal distances, a damping telescopic rod 13 is arranged on the top wall inside the operation opening 14 and extends into the operation opening 14, the damping telescopic rod 13 consists of a female sleeve and a sub rod and has the function of blocking the inserting rods 15 to avoid the rotary table 12 from rotating, and the sub rods of the damping telescopic rods 13 can be fixed by means of damping friction force of the sub rods, is not easy to fall off.

The working principle is as follows: when the damping spring 4 needs to be replaced, the sub-rods of the damping telescopic rods 13 are lifted, the sub-rods are inserted on the inserting rods 15 by means of a longer iron pipe, then the rotary table 12 is rotated, the rotary table 12 drives the driving gear 10 to rotate, each driven gear 8 rotates in the same direction, the driving rod 9 rotates accordingly, and due to the fact that the driving rod 9 is in spiral engagement with the lifting rod 6, the driving rod 9 drives the lifting rod 6 to drive the movable seat 3 to move downwards, the bridge plate 1 is supported by the supporting seat 2 and cannot fall down again, when the sufficient height is left between the bridge plate 1 and the movable seat 3, the old damping spring 4 is taken down and the new damping spring 4 is placed in the spring groove 16, then the rotary table 12 is rotated reversely, the movable seat 3 can be lifted, the damping function of the damping spring 4 is restored again, and the bridge plate 1 is jacked to the normal height.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bridge damping bearing between pier and bridge, includes bridge slab (1) and pier (7) that are located bridge slab (1) below, its characterized in that: a supporting seat (2) is fixedly arranged at the top end of the pier (7), a movable seat (3) sleeved on the supporting seat (2) is further arranged above the pier (7), a plurality of damping springs (4) are symmetrically arranged between the movable seat (3) and the bridge plate (1), a plurality of lifting rods (6) are rotatably inserted into the bottom wall of the movable seat (3), the bottom end of each lifting rod (6) is movably inserted into a pier (7), a driving rod (9) is spirally inserted into the bottom end of each lifting rod (6), a driven gear (8) is installed at the bottom end of each driving rod (9), a gear cavity is arranged inside the pier (7), a driving gear (10) which is engaged with each driven gear (8) is rotatably arranged inside the gear cavity, and a control assembly for driving the driving gear (10) is further installed in the bridge pier (7).

2. The bridge damping bearing between pier and bridge of claim 1, characterized in that: every all set up screw thread on the lateral wall of actuating lever (9), the screw hole with actuating lever (9) intermeshing is seted up to the bottom of lifter (6), every all install the horizontally cardboard on actuating lever (9), the cardboard activity card is established in pier (7).

3. The bridge damping bearing between pier and bridge of claim 1, characterized in that: the control assembly comprises a rotary table (12), an operation opening (14) is formed in the side wall of the pier (7), the rotary table (12) is located inside the operation opening (14), a rotary shaft (11) is inserted into the rotary table (12) and the driving gear (10) in a common mode, and a plurality of inserting rods (15) are installed on the outer side wall of the rotary table (12) at equal distances.

4. The bridge damping bearing between pier and bridge of claim 3, characterized in that: the damping telescopic rod (13) is installed on the top wall inside the operation opening (14), and the damping telescopic rod (13) extends into the operation opening (14).

5. The bridge damping bearing between pier and bridge of claim 1, characterized in that: every connecting plate (5) are all installed on the top of lifter (6), every connecting plate (5) are all fixed to be inlayed on the diapire of sliding seat (3).

6. The bridge damping bearing between pier and bridge of claim 1, characterized in that: spring grooves (16) matched with the damping springs (4) are arranged on the top wall of the movable seat (3) and the bottom wall of the bridge plate (1).