阅读说明：本技术 一种桥梁过载后的桥梁自动加固结构 (Automatic reinforcing structure of bridge after bridge transships ) 是由 靳利娜 于 2019-04-11 设计创作，主要内容包括：本发明提供了一种桥梁过载后的桥梁自动加固结构,包括桥梁、桥墩、桥墩座、钢索,桥梁的底部焊接有加固管,桥墩的内部嵌有加强筋,拉索的另一端贯穿桥墩并与钢索固定连接,桥墩的底部焊接有剪切刀,桥墩座内部的中间开设有配重空腔,配重空腔内部支撑有配重块,配置空腔的侧面开设有剪切空腔,剪切空腔的内侧面固定连接有支撑杆,支撑杆的另一端固定连接有插接球,插接球与配重块的侧面插接,桥墩与桥墩座的连接处设置有弹性层。本发明因剪切刀与支撑杆的配设置,当桥梁处于超载状态时,配重块会将钢索拉的更加笔直,进一步加固桥梁,并且钢索会通过拉索带动加强筋瞬间往下沉,加强筋之间的连接加固,提高桥墩的承载能力,防止桥墩出现断裂。(The invention provides an automatic bridge reinforcing structure after overload of a bridge, which comprises the bridge, a pier seat and a steel cable, wherein a reinforcing pipe is welded at the bottom of the bridge, a reinforcing rib is embedded in the pier, the other end of the steel cable penetrates through the pier and is fixedly connected with the steel cable, a shearing knife is welded at the bottom of the pier, a counterweight cavity is formed in the middle of the inside of the pier seat, a counterweight block is supported in the counterweight cavity, a shearing cavity is formed in the side surface of the configuration cavity, a supporting rod is fixedly connected to the inner side surface of the shearing cavity, an inserting ball is fixedly connected to the other end of the supporting rod and is inserted into the side surface of the counterweight block, and an. According to the invention, due to the arrangement of the shearing knives and the supporting rods, when the bridge is in an overload state, the steel ropes are pulled more straightly by the balancing weights, so that the bridge is further reinforced, the steel ropes drive the reinforcing ribs to sink instantly through the pull ropes, the connection among the reinforcing ribs is reinforced, the bearing capacity of the bridge pier is improved, and the bridge pier is prevented from being broken.)

1. The utility model provides an automatic reinforced structure of bridge after bridge transships, includes bridge (1), pier (2), pier seat (3), cable wire (5), its characterized in that, pier (2) fixed connection is in the bottom surface of bridge (1), the fixed bottom that sets up at pier (2) of pier seat (3), the bottom welding of bridge (1) has reinforcing pipe (4), reinforcing pipe (4) internal weld has reinforcement floor (401), cable wire (5) are fixed in the bottom of reinforcing pipe (4) and are extended to the inside of pier (2), reinforcing rib (6) have been inlayed to the inside of pier (2), slot (601) has been opened to the upper end of reinforcing rib (6), the inside packing of slot (601) has shear thickening fluid (602), the bottom welding of reinforcing rib (6) has grafting post (603), one side fixed stay cable of reinforcing rib (6) is connected with (7), the other end of cable (7) runs through pier (2) and with cable wire (5) fixed connection, the bottom welding of pier (2) has shearing sword (9), counter weight cavity (13) have been seted up to the inside centre of pier seat (3), counter weight cavity (13) inside support has balancing weight (14), the upper surface and cable wire (5) fixed connection of balancing weight (14), shearing cavity (10) have been seted up to the side of configuration cavity (13), the medial surface fixedly connected with bracing piece (11) of shearing cavity (10), the other end fixedly connected with of bracing piece (11) inserts ball (12), insert the side grafting of ball (12) and balancing weight (14), pier (2) are provided with elastic layer (8) with the junction of pier seat (3).

2. The automatic bridge reinforcing structure after the bridge overload of claim 1, wherein: the interface shape of the reinforcing rib plate (401) is in a shape of Chinese character 'mi'.

3. The automatic bridge reinforcing structure after the bridge overload of claim 1, wherein: the at least two reinforcing ribs (6) are in a group and are mutually spliced with the slot (601) through the splicing column (603), and a gap is reserved between every two adjacent reinforcing ribs (6).

4. The automatic bridge reinforcing structure after the bridge overload of claim 1, wherein: and the included angle between the lower surface of the inhaul cable (7) and the side surface of the reinforcing rib (6) is limited to 10-30 degrees.

5. The automatic bridge reinforcing structure after the bridge overload of claim 1, wherein: the plug-in ball (12) is spherical, and the outer side surface of the balancing weight (14) is provided with a semi-spherical groove matched with the plug-in ball (12).

6. The automatic bridge reinforcing structure after the bridge overload of claim 1, wherein: the lower end of the shearing knife (9) penetrates through the elastic layer (8) and the pier seat (3) and extends to the position right above the supporting rod (11).

7. The automatic bridge reinforcing structure after the bridge overload of claim 1, wherein: the balancing weight (14) is not in contact with the wall surface of the balancing weight cavity (13) and is in a suspended state.

Technical Field

The invention relates to the technical field of bridge reinforcement, in particular to an automatic bridge reinforcing structure after a bridge is overloaded.

Background

In order to adapt to the traffic industry of modern high-speed development, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the bridges are more convenient to pass.

The bridge has a highest safety load during design, but the load borne by the bridge is higher than the set initial safety load along with the frequent occurrence of the overload phenomenon of a carrying truck, so that the bridge can be damaged progressively such as local collapse, invagination and bridge pier cracking after overload, and the bridge reinforcing structure in the prior art only improves the highest safety load of the bridge and cannot further reinforce the bridge after overload, so that the automatic bridge reinforcing structure after the overload of the bridge is provided, and the existing problems are solved.

Disclosure of Invention

In order to solve the problems, the invention provides an automatic bridge reinforcing structure after a bridge is overloaded, so as to solve the problem that the existing bridge reinforcing structure only improves the highest safety load of the bridge and cannot further reinforce the bridge after the bridge is overloaded.

The invention relates to a purpose and an effect of an automatic bridge reinforcing structure after a bridge is overloaded, which are achieved by the following specific technical means:

an automatic bridge reinforcing structure after bridge overload comprises a bridge, piers, a pier seat and a steel cable, and is characterized in that the piers are fixedly connected to the bottom surface of the bridge, the pier seat is fixedly arranged at the bottom of the piers, reinforcing pipes are welded at the bottom of the bridge, reinforcing rib plates are welded inside the reinforcing pipes, the steel cable is fixed at the bottom of the reinforcing pipes and extends to the inside of the piers, reinforcing ribs are embedded inside the piers, slots are formed in the upper ends of the reinforcing ribs, shear thickening liquid is filled inside the slots, inserting columns are welded at the bottoms of the reinforcing ribs, a pull cable is fixedly connected to one side of each reinforcing rib, the other end of the pull cable penetrates through the piers and is fixedly connected with the steel cable, shear cutters are welded at the bottoms of the piers, a balance weight cavity is formed in the middle of the interior of the pier seat, and, the upper surface and the cable wire fixed connection of balancing weight, the shearing cavity has been seted up to the side of configuration cavity, the medial surface fixedly connected with bracing piece of shearing cavity, the other end fixedly connected with grafting ball of bracing piece, the grafting ball is pegged graft with the side of balancing weight, the junction of pier and pier seat is provided with the elastic layer.

Furthermore, the interface shape of the reinforcing rib plate is in a shape of Chinese character mi.

Furthermore, the at least two reinforcing ribs are in a group and are mutually spliced with the slots through the splicing columns, and gaps are reserved between every two adjacent reinforcing ribs.

Furthermore, the included angle between the lower surface of the inhaul cable and the side surface of the reinforcing rib is limited to 10 degrees to 30 degrees.

Furthermore, the splicing ball is spherical, and the outer side surface of the balancing weight is provided with a semi-spherical groove matched with the splicing ball.

Furthermore, the lower end of the shearing knife penetrates through the elastic layer and the abutment seat and extends to the position right above the supporting rod.

Furthermore, the balancing weight is not in contact with the wall surface of the balancing weight cavity and is in a suspended state.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, because the steel cable and the reinforcing pipe are arranged in a matching manner, when the reinforcing pipe is used for reinforcing the bottom of the bridge, the steel cable can provide an upward supporting force at the bottom, so that the reinforcing capability of the reinforcing pipe is enhanced, the collapse and the depression of the bridge are prevented, and the bearing capability of the cylindrical reinforcing pipe and the reinforcing rib plate shaped like a Chinese character 'mi' in the cylindrical reinforcing pipe can be improved, so that the reinforcing pipe is not easy to deform after being stressed.

Due to the matching arrangement of the reinforcing ribs, the shear thickening fluid in the slots has flexibility in the inserting mode that the reinforcing ribs have gaps, when the bridge is in a normal load state, so that the reinforcing ribs have certain elasticity, and when the bridge pier vibrates, the vibration damping effect can be achieved, and the strength of the bridge pier is improved.

According to the invention, due to the arrangement of the shearing knives and the supporting rods, when the bridge is in an overload state, the bridge pier can sink under the influence of bearing force, the shearing knives at the bottom of the bridge pier can shear and cut off the supporting rods, and the splicing balls without supporting force provided by the supporting rods can be extruded back into the shearing cavity by the balancing weight blocks, so that the balancing weight blocks can instantly fall down to the bottom of the balancing weight cavity, meanwhile, the balancing weight blocks can straighten the steel cables by utilizing gravity to provide a larger supporting force for the reinforcing pipes, the bridge is further reinforced, and when the balancing weight blocks fall down, the steel cables can drive the reinforcing ribs to instantly sink down through the pull cables, and the shearing thickening liquid in the slots can be firmer after being subjected to the instant impact force of the splicing columns, so that the connection among the reinforcing ribs is reinforced, the reinforced reinforcing ribs can improve the bearing capacity of the bridge.

Drawings

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

Fig. 2 is a schematic bottom view of the present invention.

Fig. 3 is a cross-sectional view of a reinforced tube of the present invention.

Fig. 4 is a schematic view of the internal structure of the pier and pier seat according to the present invention.

Fig. 5 is a schematic structural view of the reinforcing bar of the present invention.

In FIGS. 1-5: 1-bridge, 2-bridge pier, 3-bridge pier seat, 4-reinforcing pipe, 401-reinforcing ribbed plate, 5-steel cable, 6-reinforcing rib, 601-slot, 602-shear thickening liquid, 603-splicing column, 7-stay cable, 8-elastic layer, 9-shear knife, 10-shear cavity, 11-support rod, 12-splicing ball, 13-counterweight cavity and 14-counterweight block.

Detailed Description

As shown in figures 1 to 5:

the invention provides an automatic bridge reinforcing structure after a bridge is overloaded, which comprises a bridge 1, piers 2, pier seats 3 and a steel cable 5, wherein each part of the automatic bridge reinforcing structure after the bridge is overloaded is described in detail below;

the bridge pier 2 is fixedly connected to the bottom surface of the bridge pier 1, the bridge pier seat 3 is fixedly arranged at the bottom of the bridge pier 2, the bottom of the bridge pier 1 is welded with a reinforcing pipe 4, a reinforcing rib plate 401 is welded inside the reinforcing pipe 4, and a steel cable 5 is fixed at the bottom of the reinforcing pipe 4 and extends into the bridge pier 2;

specifically, the steel cable 5 can provide an upward supporting force at the bottom of the reinforcing pipe 4 to strengthen the reinforcing capacity of the reinforcing pipe 4 and prevent the collapse and the depression of the bridge 1, and the cylindrical reinforcing pipe 4 and the reinforcing rib plate 401 in the cylindrical reinforcing pipe 4 in a shape like a Chinese character 'mi' can improve the bearing capacity of the reinforcing pipe 4, so that the reinforcing pipe 4 is not easy to deform after being stressed;

a reinforcing rib 6 is embedded in the pier 2, a slot 601 is formed in the upper end of the reinforcing rib 6, shear thickening liquid 602 is filled in the slot 601, a splicing column 603 is welded at the bottom of the reinforcing rib 6, a stay cable 7 is fixedly connected to one side of the reinforcing rib 6, the other end of the stay cable 7 penetrates through the pier 2 and is fixedly connected with a steel cable 5, and a shear knife 9 is welded at the bottom of the pier 2;

specifically, the reinforcing ribs 6 are connected with the slots 601 through the connecting columns 603 in a mutual and gapped connecting mode, when the bridge 1 is in a normal load state, the shear thickening fluid 602 in the slots has flexibility, so that a certain elasticity is provided between every two adjacent reinforcing ribs 6, when the bridge pier 2 is vibrated, a vibration damping effect can be achieved, the strength of the bridge pier 2 is improved, and the reinforcing ribs 6 can be pulled downwards through the inhaul cables 7 by the steel cables 5;

a counterweight cavity 13 is formed in the middle of the interior of the pier seat 3, a counterweight block 14 is supported in the counterweight cavity 13, the upper surface of the counterweight block 14 is fixedly connected with the steel cable 5, a shearing cavity 10 is formed in the side surface of the configuration cavity 13, a support rod 11 is fixedly connected to the inner side surface of the shearing cavity 10, an inserting ball 12 is fixedly connected to the other end of the support rod 11, the inserting ball 12 is inserted into the side surface of the counterweight block 14, and an elastic layer 8 is arranged at the joint of the pier 2 and the pier seat 3;

specifically, the shearing knife 9 is located right above the supporting rod 11, when the bridge 1 is in an overload state, the bridge pier 2 will sink under the influence of the bearing force, the elastic layer 8 will be extruded and thinned, so the shearing knife 9 shears the supporting rod 11 to cut off, and the plugging ball 12 without the supporting force provided by the supporting rod 11 will be extruded back into the shearing cavity 10 by the counterweight block 14 by using the ball shape thereof, and then the counterweight block 14 will instantly drop towards the bottom of the counterweight cavity 13 under the condition of no support, so the counterweight block 14 will pull the steel cable 5 more straightly by using gravity, so as to provide a larger supporting force for the reinforcing pipe 4, further reinforce the bridge 1, and when the counterweight block 14 drops down, the steel cable 5 will drive the reinforcing rib 6 to sink instantly by using the cable 7, and in order to ensure that the reinforcing rib 6 can be pulled down vertically by the cable 7, the included angle between the lower surface of the cable 7 and the side surface of the reinforcing rib 6 is limited to 10 degrees to, next, when the shear thickening fluid 602 in the slot 601 receives the instant impact force of the inserting column 603, the shear thickening fluid will exhibit firmness, so that the connection between the reinforcing ribs 6 is reinforced, and the reinforced reinforcing ribs 6 can improve the bearing capacity of the pier 2 and prevent the pier 2 from breaking.