CN215947943U

CN215947943U - Reduce single-column mound bridge antidumping reinforcing apparatus of unbalance loading influence

Info

Publication number: CN215947943U
Application number: CN202122291674.XU
Authority: CN
Inventors: 刘长卿
Original assignee: China Railway Beijing Engineering Group Co Ltd; Fifth Engineering Co Ltd of China Railway Beijing Engineering Group Co Ltd
Current assignee: China Railway Beijing Engineering Group Co Ltd; Fifth Engineering Co Ltd of China Railway Beijing Engineering Group Co Ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-03-04
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses an anti-overturning reinforcing device of a single-column pier bridge for reducing the influence of unbalance loading, which relates to the technical field of bridges and aims at solving the problem that the existing bridge deck is easy to overturn, and the utility model provides the following scheme that the anti-overturning reinforcing device comprises a pier, wherein a plurality of positioning holes are formed in the pier, a positioning sleeve is sleeved outside the pier, a plurality of positioning bolts matched with the positioning holes are connected on the positioning sleeve, a plurality of reinforcing ribs are fixedly connected on the outer side wall of the positioning sleeve, the upper ends of the reinforcing ribs are jointly and fixedly connected with a bottom plate positioned right above the pier, a main support is fixedly connected in the middle of the upper surface of the bottom plate, a plurality of anti-inclining supports are slidably connected on the edge of the upper surface of the bottom plate, and anti-inclining mechanisms contacted with the bottom plate are connected on the lower surfaces of the plurality of anti-inclining supports, so that the bridge decks at different positions can be kept horizontal, the safety and the stability of the bridge are improved, the bridge deck is prevented from overturning, and the bridge is convenient to use.

Description

Reduce single-column mound bridge antidumping reinforcing apparatus of unbalance loading influence

Technical Field

The utility model relates to the technical field of bridges, in particular to an anti-overturning reinforcing device for a single-column pier bridge, which reduces the influence of unbalance loading.

Background

Along with the development of national economy of China and the requirement of meeting people for daily travel, China builds a large number of urban overpasses and expressways, and the urban overpasses and expressways of China mostly adopt a single-column pier box girder structure form.

Along with the ever-increasing of the traffic flow and the vehicle load in China, overweight vehicle unbalance loading has led to the bridge of this kind of structural style to have taken place many accidents that topple in the use, and the diameter grow through pier now mainly for provide bigger load, nevertheless make pier area increase, the result of use is not good, so need one kind now and reduce the single-column mound bridge antidumping reinforcing apparatus that the unbalance loading influences.

SUMMERY OF THE UTILITY MODEL

The anti-overturning reinforcing device for the single-column pier bridge, provided by the utility model, can be used for reducing the influence of unbalance loading, and solving the problem that the bridge deck is easy to overturn.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a reduce single-column mound bridge antidumping reinforcing apparatus of unbalance loading influence, includes the pier, a plurality of locating holes have been seted up on the pier, the position sleeve has been cup jointed in the outside of pier, be connected with a plurality ofly on the position sleeve and locating hole complex positioning bolt, a plurality of strengthening ribs of lateral wall fixedly connected with of position sleeve, it is a plurality of the common fixedly connected with in upper end of strengthening rib is located the bottom plate directly over the pier, fixedly connected with main bearing in the middle of the upper surface of bottom plate, the upper surface edge sliding connection of bottom plate has a plurality of supports of preventing partially, and is a plurality of the lower surface of preventing partially the support all is connected with the mechanism of preventing partially with the bottom plate contact.

Preferably, the anti-deviation mechanism comprises a hinged support contacted with the lower surface of the anti-deviation support, the lower end of the hinged support is fixedly connected with a sliding block in sliding connection with the bottom plate, and the sliding block is fixedly connected with an anti-deviation spring.

Preferably, the middle of the upper end of the pier is provided with a blind hole, and two sides of the upper end of the pier are provided with sliding chutes communicated with the blind hole.

Preferably, the upper surface of the locating sleeve is fixedly connected with two mutually symmetrical support frames, two the upper end of the support frame is fixedly connected with a support rod connected with the blind hole in a sliding manner, the lower end of the support rod is fixedly connected with a limiting spring fixedly connected with the bottom of the blind hole, and the upper end of the support rod is fixedly connected with the bottom plate.

Preferably, the bottom plate adopts a circular structure, and the main support and the anti-deviation support both adopt rubber supports.

Preferably, the upper side of the bottom plate is provided with a plurality of guide holes matched with the anti-deviation support, and the upper surface of the bottom plate is fixedly connected with a guide block connected with the anti-deviation support in a sliding manner.

The utility model has the beneficial effects that:

1. through the sliding positioning sleeve, the positioning sleeve can slide on a pier, the reinforcing ribs and the bottom plate on the upper side of the positioning sleeve are lifted, then the positioning sleeve can be fixed on the pier through the positioning bolts, the height of the bottom plate on the pier is adjusted, the main support on the upper side of the bottom plate and the height of the anti-deviation support are changed, the height of bridges at different positions can be finely adjusted, each section of bridge floor is guaranteed to be kept horizontal all the time, the stability of driving is improved, and the bridge is prevented from being unevenly stressed and deviated.

2. Through a plurality of anti-deviation supports, can prevent bridge floor one side atress too big for preceding to a lopsidedness, and through the articulated mast who prevents inclined to one side support bottom, can be so that prevent inclined to one side support slightly moves down, then through the anti-deviation spring of articulated mast bottom, can prevent that the articulated mast displacement is too big, make bridge floor inclination too big, play certain effect of preventing toppling, improve the security and the stability of bridge.

Drawings

FIG. 1 is a schematic front view of an anti-overturning reinforcing device for a single-column pier bridge, which is provided by the utility model and reduces the influence of unbalance loading;

FIG. 2 is a schematic cross-sectional front view of an anti-overturning reinforcing device for a single-column pier bridge, which is provided by the utility model and reduces the influence of unbalance loading;

FIG. 3 is a schematic partial top view of an anti-overturning reinforcing device for a single-column pier bridge, which is provided by the utility model and reduces the influence of unbalance loading;

FIG. 4 is a schematic top view of an anti-overturning reinforcing device for a single-column pier bridge, which is provided by the utility model and reduces the influence of unbalance loading;

fig. 5 is an enlarged schematic view of a point a of the single-column pier bridge anti-overturning reinforcing device for reducing the influence of unbalance loading provided by the utility model.

Reference numbers in the figures: 1. a bridge pier; 2. positioning holes; 3. a positioning sleeve; 4. positioning the bolt; 5. reinforcing ribs; 6. a support frame; 7. an anti-deviation support; 8. a main support; 9. a base plate; 10. a limiting spring; 11. a support bar; 12. blind holes; 13. a hinged bracket; 14. a bias-preventing spring; 15. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an anti-overturning reinforcing device of a single-column pier bridge for reducing the influence of unbalance loading comprises a pier 1, a plurality of positioning holes 2 are formed on the pier 1, a positioning sleeve 3 is sleeved on the outer side of the pier 1, a plurality of positioning bolts 4 matched with the positioning holes 2 are connected to the positioning sleeve 3, a plurality of reinforcing ribs 5 are fixedly connected to the outer side wall of the positioning sleeve 3, a bottom plate 9 positioned right above the pier 1 is fixedly connected to the upper ends of the reinforcing ribs 5 together, a main support 8 is fixedly connected to the middle of the upper surface of the bottom plate 9, a plurality of anti-unbalance supports 7 are slidably connected to the edge of the upper surface of the bottom plate 9, anti-unbalance mechanisms in contact with the bottom plate 9 are connected to the lower surfaces of the anti-unbalance supports 7, the positioning sleeve 3 can slide on the pier 1 by sliding the positioning sleeve 3, the reinforcing ribs 5 on the upper side of the positioning sleeve 3 can lift up and down with the bottom plate 9, and then pass through the positioning bolts 4, just can be so that position sleeve 3 fixes on pier 1, and then adjust the height of bottom plate 9 above pier 1 for the height change of main tributary seat 8 of bottom plate 9 upside and anti-off-set support 7 can make the bridge height of different positions finely tune, guarantees that each section bridge floor remains the level all the time, improves the stability of driving a vehicle, prevents that the atress inequality of pier 1 from taking place the skew.

Prevent inclined to one side mechanism include with prevent inclined to one side support 7 lower surface contact's articulated support 13, articulated support 13's lower extreme fixedly connected with and bottom plate 9 sliding connection's slider 15, slider 15 fixedly connected with prevents inclined to one side spring 14, through a plurality of prevent inclined to one side support 7, can prevent bridge floor one side atress too big, make preceding to a lopsidedness, and through preventing the articulated support 13 of inclined to one side support 7 bottom, can make and prevent inclined to one side support 7 slightly move down, then prevent inclined to one side spring 14 through articulated support 13 bottom, can prevent that articulated support 13 from displacing too big, make bridge floor inclination too big, play certain effect of preventing toppling, improve the security and the stability of bridge.

The middle of the upper end of the pier 1 is provided with a blind hole 12, and the two sides of the upper end of the pier 1 are provided with sliding chutes communicated with the blind hole 12.

The upper surface of position sleeve 3 is fixedly connected with two support frames 6 of symmetry of each other, the upper end fixedly connected with of two support frames 6 and blind hole 12 sliding connection's bracing piece 11, the lower extreme fixedly connected with of bracing piece 11 and blind hole 12 bottom fixed connection's spacing spring 10, the upper end and the bottom plate 9 fixed connection of bracing piece 11.

The bottom plate 9 adopts a circular structure, and the main support 8 and the anti-deviation support 7 both adopt rubber supports.

A plurality of guide holes matched with the deviation preventing support 7 are formed in the upper side of the bottom plate 9, and a guide block connected with the deviation preventing support 7 in a sliding mode is fixedly connected to the upper surface of the bottom plate 9.

The working principle is as follows: the positioning sleeve 3 can slide on the pier 1 by sliding the positioning sleeve 3, the reinforcing ribs 5 and the bottom plate 9 on the upper side of the positioning sleeve 3 are lifted, then the positioning sleeve 3 can be fixed on the pier 1 by the positioning bolts 4, the height of the bottom plate 9 on the pier 1 is adjusted, the heights of the main support 8 and the anti-deviation support 7 on the upper side of the bottom plate 9 are changed, the heights of bridges at different positions can be finely adjusted, each section of bridge floor is always kept horizontal, the stability of a traveling crane is improved, the deviation caused by uneven stress of the pier 1 is prevented, one side of the bridge floor is prevented from being excessively stressed by the anti-deviation supports 7, the front side of the bridge floor is inclined to one side, the anti-deviation supports 7 can slightly move downwards by the hinged supports 13 at the bottoms of the anti-deviation supports 7, and then the anti-deviation springs 14 at the bottoms of the hinged supports 13, can prevent that articulated bracket 13 displacement is too big for bridge floor inclination is too big, plays certain effect of preventing toppling, improves the security and the stability of bridge.

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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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 specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An anti-overturning reinforcing device of a single-column pier bridge for reducing the influence of unbalance loading comprises a pier (1), it is characterized in that a plurality of positioning holes (2) are arranged on the bridge pier (1), a positioning sleeve (3) is sleeved on the outer side of the bridge pier (1), the positioning sleeve (3) is connected with a plurality of positioning bolts (4) matched with the positioning holes (2), the outer side wall of the positioning sleeve (3) is fixedly connected with a plurality of reinforcing ribs (5), the upper ends of the plurality of reinforcing ribs (5) are jointly and fixedly connected with a bottom plate (9) positioned right above the pier (1), the middle of the upper surface of the bottom plate (9) is fixedly connected with a main support (8), the edge of the upper surface of the bottom plate (9) is connected with a plurality of anti-deviation supports (7) in a sliding mode, and the lower surfaces of the anti-deviation supports (7) are connected with anti-deviation mechanisms in contact with the bottom plate (9).

2. The single-column pier bridge anti-overturning reinforcing device for reducing the influence of the offset load is characterized in that the offset preventing mechanism comprises a hinged support (13) which is in contact with the lower surface of an offset preventing support (7), the lower end of the hinged support (13) is fixedly connected with a sliding block (15) which is in sliding connection with a bottom plate (9), and the sliding block (15) is fixedly connected with an offset preventing spring (14).

3. The single-column pier bridge anti-overturning reinforcing device for reducing the influence of the unbalanced load according to claim 1, wherein a blind hole (12) is formed in the middle of the upper end of the pier (1), and sliding grooves communicated with the blind hole (12) are formed in two sides of the upper end of the pier (1).

4. The single-column pier bridge anti-overturning reinforcing device for reducing the influence of unbalance loading according to claim 3, wherein two symmetrical support frames (6) are fixedly connected to the upper surface of the positioning sleeve (3), support rods (11) which are slidably connected with the blind holes (12) are fixedly connected to the upper ends of the two support frames (6), limit springs (10) which are fixedly connected with the bottoms of the blind holes (12) are fixedly connected to the lower ends of the support rods (11), and the upper ends of the support rods (11) are fixedly connected with the bottom plate (9).

5. The single-column pier bridge anti-overturning reinforcing device for reducing the influence of unbalance loading according to claim 1, wherein the bottom plate (9) is of a circular structure, and the main support (8) and the anti-overturning support (7) are both rubber supports.

6. The single-column pier bridge anti-overturning reinforcing device for reducing the influence of the unbalance loading according to claim 1, wherein the upper side of the bottom plate (9) is provided with a plurality of guide holes matched with the unbalance-proof support (7), and a guide block slidably connected with the unbalance-proof support (7) is fixedly connected to the upper surface of the bottom plate (9).