阅读说明：本技术 一种抗倾覆桥梁桥墩结构 (Anti-overturning bridge pier structure ) 是由 李世亚 王旭 姚国文 于 2020-07-16 设计创作，主要内容包括：本发明属于桥梁桥墩领域,尤其涉及一种抗倾覆桥梁桥墩结构,基座上立柱的顶部固定安装有安装板,安装板的顶部中心位置支座的顶部固定安装有桥梁,安装板的顶部固定安装有对称设置的两个工字钢顶部均和桥梁的底部固定安装,两个工字钢分别位于支座的两侧,安装板的顶部固定安装有对称设置的两个弧形钢,两个弧形钢的顶部均固定安装有剪力组件,且两个剪力组件的顶部均和桥梁的底部固定安装,立柱的两侧均固定安装的抗倾座顶部均活动安装有对称设置的两个斜支撑,位于同侧的两个斜支撑的顶部均和安装板的底部固定安装,解决了桥梁和安装板的连接紧密性不高,且安装板和立柱的连接强度低,导致桥梁抗倾覆能力差的问题。(The invention belongs to the field of bridge piers, and particularly relates to an anti-overturning bridge pier structure, wherein a mounting plate is fixedly mounted at the top of an upright column on a base, a bridge is fixedly mounted at the top of a support at the center of the top of the mounting plate, the top of the mounting plate is fixedly provided with two symmetrically arranged I-shaped steels, the tops of the two I-shaped steels are fixedly mounted with the bottom of the bridge, the two I-shaped steels are respectively positioned at two sides of the support, the top of the mounting plate is fixedly provided with two symmetrically arranged arc-shaped steels, the tops of the two arc-shaped steels are fixedly provided with shear assemblies, the tops of the two shear assemblies are fixedly mounted with the bottom of the bridge, the tops of the anti-overturning seats fixedly mounted at two sides of the upright column are movably provided with two symmetrically arranged inclined supports, the tops of the two inclined supports positioned at the same side are, and the connecting strength of the mounting plate and the upright post is low, so that the anti-overturning capability of the bridge is poor.)

1. The utility model provides an antidumping bridge pier structure, includes base (1), its characterized in that, the top fixed mounting of base (1) has stand (2), the top fixed mounting of stand (2) has mounting panel (3), the top central point of mounting panel (3) puts fixed mounting has support (4), the top fixed mounting of support (4) has bridge (5), the top fixed mounting of mounting panel (3) has two I-steel (6) that the symmetry set up, and the top of two I-steel (6) all with the bottom fixed mounting of bridge (5), two I-steel (6) are located the both sides of support (4) respectively, the top fixed mounting of mounting panel (3) has two arc steel (11) that the symmetry set up, and two arc steel (11) are located the one side that two I-steel (6) and support (4) are close to each other respectively, the equal fixed mounting in top of two arc steel (11) has the shear force subassembly, and the top of two shear force subassemblies all with the bottom fixed mounting of bridge (5), the equal fixed mounting in both sides of stand (2) has anti seat (16) that inclines, and the equal movable mounting in top of two anti seats (16) has two bearing diagonal (18) that the symmetry set up, and the top of two bearing diagonal (18) that are located the homonymy all with the bottom fixed mounting of mounting panel (3).

2. The structure of an anti-overturning bridge pier as claimed in claim 1, wherein a plurality of mounting bolts (7) arranged in a matrix disc are connected to the I-shaped steel (6) in a threaded manner, and the tops of the plurality of mounting bolts (7) penetrate through the bottom of the bridge (5) and extend to the upper side of the bridge (5).

3. The anti-overturning bridge pier structure according to claim 1, wherein four reinforcing seats (8) are fixedly mounted at the top of the mounting plate (3), the tops of the two reinforcing seats (8) positioned at the same side are fixedly mounted with the bottom of the arc-shaped steel (11), screw holes (9) are formed in the tops of the two reinforcing seats (8), bolts (10) are connected to the two screw holes (9) in a threaded manner, and the bottoms of the two bolts (10) are connected with the top of the mounting plate (3) in a threaded manner.

4. The structure of an anti-overturning bridge pier as claimed in claim 1, wherein the shear assembly comprises four shear plates (12) fixedly mounted at the top of the arc-shaped steel (11), the two shear plates (12) positioned at the same side are in cross rotating connection, the top of the four shear plates (12) positioned at the same side are fixedly mounted with a same transverse plate (13), and the top of the two transverse plates (13) are fixedly mounted with the bottom of the bridge (5).

5. The bridge pier structure of the anti-overturning bridge as claimed in claim 1, wherein the top of the mounting plate (3) is in threaded connection with four expansion bolts (14) arranged in a matrix, the top of the upright column (2) is provided with four expansion bolt grooves (15) arranged in a matrix, and the bottom of each expansion bolt (14) extends into the corresponding expansion bolt groove (15) and is fixedly mounted with the corresponding expansion bolt groove (15).

6. The structure of an anti-overturning bridge pier as claimed in claim 1, wherein two symmetrically arranged support plates are fixedly installed at the top of the anti-overturning seat (16), one movable shaft (17) is fixedly installed at one side of the two support plates close to each other, movable holes are formed in one sides of two inclined supports (18) located at the same side, and one end of each movable shaft (17) penetrates through and is movably connected with the two movable holes.

7. The anti-overturning bridge pier structure according to claim 1, wherein four mounting blocks (19) are fixedly mounted at the bottom of the mounting plate (3), the same fixing plate (20) is fixedly mounted at the bottoms of the two mounting blocks (19) positioned at the same side, a channel steel (21) is fixedly mounted at the bottom of the fixing plate (20), and the bottom of the channel steel (21) and the tops of the two inclined supports (18) positioned at the same side are fixedly mounted.

8. An anti-overturning bridge pier structure according to claim 7, wherein four anchor bolts (22) are fixedly arranged at the bottom of the channel steel (21) in a matrix arrangement, and the tops of the four anchor bolts (22) penetrate through the bottom of the fixing plate (20) and the bottoms of the two mounting blocks (19) and are fixedly arranged with the bottom of the mounting plate (3).

9. An anti-overturning bridge pier structure according to claim 8, wherein the base (1) is cylindrical, the support (4) is T-shaped, and the mounting plate (3) is made of steel plate.

10. A bridge pier structure against overturning according to claim 5, wherein the expansion bolts (14), the mounting bolts (7) and the bolts (10) have a strength factor of 8, eight of the mounting bolts (7) being provided, four of the expansion bolts (14) being provided.

Technical Field

The invention belongs to the field of bridge piers, and relates to an anti-overturning bridge pier structure.

Background

The curved bridges such as urban overpasses and high-speed ramps are mainly in the form of single-column cast-in-place continuous box girder structures, and the structural form of the bridge has the advantages of reducing occupied land, increasing visual field and being attractive.

An authorization document with the publication number of CN106120539B discloses an anti-overturning structure of a single-column pier bridge, which solves the problem that the single-column bridge is easy to overturn. The anti-falling device comprises auxiliary supporting blocks arranged on two sides of a pier column, an aligning support arranged between the pier column and a bridge beam bottom, and anti-falling devices arranged between the auxiliary supporting blocks and the bridge beam bottom, wherein the aligning support comprises a first plate, a second plate and a third plate which are arranged from top to bottom, and a friction speed reducing structure is arranged between the three plates through splicing matching. The anti-falling device comprises an embedded part, a guide post, a belleville spring, an anti-loosening locking part and a dust cover. The single-column bridge pier is simple in structure, can be suitable for all single-column bridge piers, is wide in application range, can be suitable for construction of new bridges, and can also be suitable for reconstruction of old bridges. However, the bridge disclosed in the patent is not high in connection tightness between the bridge and the mounting plate, the connection strength between the mounting plate and the upright post is low, the anti-overturning capacity of the bridge is poor, and in order to improve the anti-overturning performance of the bridge, an anti-overturning bridge pier structure is provided.

Disclosure of Invention

In view of the above, the present invention provides an anti-overturning bridge pier structure, which solves the problems that the bridge has poor anti-overturning capability due to low connection tightness between the bridge and the mounting plate and low connection strength between the mounting plate and the upright post.

In order to achieve the purpose, the invention provides an anti-overturning bridge pier structure, which comprises a base, wherein a stand column is fixedly arranged at the top of the base, a mounting plate is fixedly arranged at the top of the stand column, a support is fixedly arranged at the center position of the top of the mounting plate, a bridge is fixedly arranged at the top of the support, two I-shaped steels which are symmetrically arranged are fixedly arranged at the top of the mounting plate, the tops of the two I-shaped steels are fixedly arranged with the bottom of the bridge, the two I-shaped steels are respectively positioned at two sides of the support, two arc-shaped steels which are symmetrically arranged are fixedly arranged at the top of the mounting plate, the two arc-shaped steels are respectively positioned at one side, close to each other, of the two I-shaped steels and the support, shear assemblies are fixedly arranged at the tops of the two arc-shaped steels, the tops of the two shear assemblies are fixedly arranged with the, the top of two anti seats that incline all movable mounting has two bearing diagonal of symmetry setting, and the top of two bearing diagonal that are located the homonymy all with the bottom fixed mounting of mounting panel.

The beneficial effect of this basic scheme lies in: according to the invention, on the basis of the connection of the I-shaped steel and the support arranged between the mounting plate and the bridge, the arc-shaped steel of the bearing part is added, and the shear assembly arranged at the top of the arc-shaped steel can ensure that the connection strength of the bridge and the mounting plate is higher, and the anti-overturning capability of the bridge is improved.

Further, threaded connection has a plurality of construction bolts that are the matrix dish and arrange on the I-steel, and the top of a plurality of construction bolts all runs through the bottom of bridge and extends to the top of bridge, beneficial effect: in order to increase the connecting parts of the mounting plate and the bridge.

Further, the top fixed mounting of mounting panel has four to strengthen the seat, and the top that is located two enhancement seats of homonymy all with the bottom fixed mounting of arc steel, the screw has all been seted up at the top of two enhancement seats, and equal threaded connection has the bolt on two screws, the bottom of two bolts all with the top threaded connection of mounting panel, beneficial effect: the arc steel is convenient to install.

Further, the shear force subassembly includes four shear force boards of fixed mounting at arc steel top, is located two shear force board cross rotation connections of homonymy, and the top fixed mounting that is located four shear force boards of homonymy has same diaphragm, and the top of two diaphragms all with the bottom fixed mounting of bridge, beneficial effect: the bridge and the mounting plate are more connected.

Further, the top threaded connection of mounting panel has four expansion bolts that are the matrix arrangement, open at the top of stand and be equipped with four expansion bolt grooves that are the matrix arrangement, four expansion bolts's bottom extends to the inside in four expansion bolt grooves respectively and respectively with four expansion bolt groove fixed mounting, beneficial effect: the installation operation of the installation plate and the upright post is convenient to carry out.

Further, the top fixed mounting of anti seat that inclines has two extension boards that the symmetry set up, and one side fixed mounting that two extension boards are close to each other has same loose axle, and the movable hole has all been seted up to one side that is located two bearing diagonal of homonymy, one end of loose axle runs through two movable holes and all with two movable hole swing joint, beneficial effect: the supporting angle of the inclined support is convenient to adjust.

Further, the bottom fixed mounting of mounting panel has four installation pieces, and the bottom fixed mounting that is located two installation pieces of homonymy has same fixed plate, the bottom fixed mounting of fixed plate has the channel-section steel, and the bottom of channel-section steel and the top fixed mounting that is located two bearing diagonal of homonymy, beneficial effect: the diagonal bracing is convenient to fix.

Further, the bottom fixed mounting of channel-section steel has four anchor bolts that are the matrix arrangement, and the bottom of fixed plate and two installation pieces is run through to the top of four anchor bolts and all with the bottom fixed mounting of mounting panel, beneficial effect: in order to fix the channel steel on the mounting plate conveniently.

Further, the base is cylindrical setting, the support is the setting of T type, the material of mounting panel is the steel sheet, beneficial effect: the structural strength of the mounting plate can be improved.

Further, expansion bolts, mounting bolt and the intensity coefficient of bolt do, mounting bolt is provided with eight, and expansion bolts is provided with four, beneficial effect: in order to improve the integral installation strength, the anti-overturning capacity of the bridge is improved.

The invention has the beneficial effects that:

1. according to the anti-overturning bridge pier structure disclosed by the invention, in order to improve the connection strength of the mounting plate and the upright column, the inclined supports are arranged on the two sides of the upright column, the channel steel is fixed at the tops of the inclined supports, and the channel steel is fixed at the bottoms of the mounting plate, so that the connection strength of the mounting plate and the upright column can be effectively improved, the integrity of the upright column and the bridge is further improved, and the anti-overturning capacity of the bridge is improved.

2. According to the anti-overturning bridge pier structure disclosed by the invention, the arc-shaped steel of the bearing part is added on the basis of the connection of the I-shaped steel and the support arranged between the mounting plate and the bridge, and the shear assembly arranged at the top of the arc-shaped steel can ensure that the connection strength of the bridge and the mounting plate is higher, and the anti-overturning capability of the bridge is improved.

3. According to the anti-overturning bridge pier structure disclosed by the invention, the stress of the bridge is simultaneously stressed through the arranged arc-shaped steel and the I-shaped steel, the acting force acting on the mounting plate is transmitted to the upright post through the arranged expansion bolts, and the integrity of the upright post, the mounting plate and the bridge can be improved through the inclined supports arranged on the two sides of the upright post, so that the anti-overturning capacity of the bridge is further improved.

4. The anti-overturning bridge pier structure disclosed by the invention has the advantages that the connection strength of the bridge and the pier is higher, the integral stress is realized, the structural stability of the pier is higher because the pier is deeply buried by concrete pouring, the main purpose of the pier arrangement is to protect the bridge, the stress of the pier mostly comes from the bridge, and after the anti-overturning seats are added on the stress parts of the pier and the bridge, the anti-overturning performance of the bridge and the pier is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

FIG. 1 is a structural perspective view of an anti-overturning bridge pier structure of the present invention;

FIG. 2 is a front view of an anti-overturning bridge pier structure of the present invention;

FIG. 3 is a perspective view of an arc-shaped steel structure in an anti-overturning bridge pier structure of the invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is an enlarged view of the portion B of FIG. 2 according to the present invention.

The drawings are numbered as follows: the device comprises a base 1, upright posts 2, mounting plates 3, supports 4, bridges 5, I-steel 6, mounting bolts 7, reinforcing seats 8, screw holes 9, bolts 10, arc-shaped steel 11, shear plates 12, transverse plates 13, expansion bolts 14, expansion bolt grooves 15, anti-tilting seats 16, movable shafts 17, inclined supports 18, mounting blocks 19, fixing plates 20, channel steel 21 and anchor bolts 22.

Detailed Description

The following is further detailed by way of specific embodiments:

as shown in fig. 1-5, an anti-overturning bridge pier structure comprises a base 1, a vertical column 2 is fixedly installed at the top of the base 1, a mounting plate 3 is fixedly installed at the top of the vertical column 2, a support 4 is fixedly installed at the center position of the top of the mounting plate 3, a bridge 5 is fixedly installed at the top of the support 4, two i-beams 6 which are symmetrically arranged are fixedly installed at the top of the mounting plate 3, the tops of the two i-beams 6 are fixedly installed at the bottom of the bridge 5, the two i-beams 6 are respectively located at two sides of the support 4, two arc-shaped steels 11 which are symmetrically arranged are fixedly installed at the top of the mounting plate 3, the two arc-shaped steels 11 are respectively located at one side where the two i-beams 6 and the support 4 are close to each other, shear assemblies are fixedly installed at the tops of the two arc-shaped steels 11, and, the anti-tilting seat 16 is fixedly mounted on each of two sides of the upright column 2, the two inclined supports 18 symmetrically arranged are movably mounted on the tops of the two anti-tilting seats 16, and the tops of the two inclined supports 18 positioned on the same side are fixedly mounted on the bottom of the mounting plate 3.

In the invention, a plurality of mounting bolts 7 arranged in a matrix disc are connected to the I-shaped steel 6 in a threaded manner, and the tops of the mounting bolts 7 penetrate through the bottom of the bridge 5 and extend to the upper part of the bridge 5.

According to the invention, four reinforcing seats 8 are fixedly arranged at the top of the mounting plate 3, the tops of two reinforcing seats 8 positioned at the same side are fixedly arranged with the bottom of the arc-shaped steel 11, screw holes 9 are respectively formed at the tops of the two reinforcing seats 8, bolts 10 are respectively in threaded connection with the two screw holes 9, and the bottoms of the two bolts 10 are respectively in threaded connection with the top of the mounting plate 3.

In the invention, the shear assembly comprises four shear plates 12 fixedly arranged at the top of arc steel 11, the two shear plates 12 positioned at the same side are in cross rotating connection, the top of the four shear plates 12 positioned at the same side is fixedly provided with a transverse plate 13, and the top of the two transverse plates 13 is fixedly arranged with the bottom of the bridge 5.

In the invention, four expansion bolts 14 which are arranged in a matrix form are connected to the top of the mounting plate 3 in a threaded manner, four expansion bolt grooves 15 which are arranged in a matrix form are formed in the top of the upright post 2, and the bottoms of the four expansion bolts 14 respectively extend into the four expansion bolt grooves 15 and are respectively fixedly mounted with the four expansion bolt grooves 15.

In the invention, two symmetrically arranged support plates are fixedly arranged at the top of the anti-tilting seat 16, one side of the two support plates close to each other is fixedly provided with the same movable shaft 17, one side of each of two inclined supports 18 positioned at the same side is provided with a movable hole, and one end of each movable shaft 17 penetrates through the two movable holes and is movably connected with the two movable holes.

In the invention, four mounting blocks 19 are fixedly mounted at the bottom of the mounting plate 3, the same fixing plate 20 is fixedly mounted at the bottoms of the two mounting blocks 19 positioned at the same side, a channel steel 21 is fixedly mounted at the bottom of the fixing plate 20, and the bottom of the channel steel 21 and the tops of the two inclined supports 18 positioned at the same side are fixedly mounted.

In the invention, four anchor bolts 22 arranged in a matrix are fixedly arranged at the bottom of the channel steel 21, and the tops of the four anchor bolts 22 penetrate through the bottom of the fixed plate 20 and the bottoms of the two mounting blocks 19 and are fixedly mounted with the bottom of the mounting plate 3.

In the present invention, the expansion bolts 14, the mounting bolts 7, and the bolts 10 have a strength factor of 8, eight mounting bolts 7, and four expansion bolts 14.

In order to improve the connection strength of a mounting plate 3 and an upright post 2, the inclined supports 18 are arranged on two sides of the upright post 2, the top of each inclined support 18 is fixed with a channel steel 21, the bottom of each channel steel 21 is fixed with the bottom of the mounting plate 3, the connection strength of the mounting plate 3 and the upright post 2 can be effectively improved, the integrity of the upright post 2 and a bridge 5 is further improved, and the anti-overturning capacity of the bridge is improved, in the invention, on the basis of the connection of I-shaped steel 6 and a support 4 arranged between the mounting plate 3 and the bridge 5, the arc-shaped steel 11 of a bearing part is added, a shear assembly is arranged on the top of the arc-shaped steel 11, the connection strength of the bridge 5 and the mounting plate 3 can be higher, and the anti-overturning capacity of the bridge is improved, the stress of the bridge is simultaneously stressed through the arranged arc-shaped steel 11 and the I-shaped steel 6, and the acting force on the mounting plate 3 is, through the inclined supports 18 arranged on the two sides of the upright post 2, the integrity of the upright post 2, the mounting plate 3 and the bridge 5 can be improved, and the anti-overturning capability of the bridge 5 is further improved.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics in the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.