Anti-overturning support for municipal bridge

Abstract

The utility model relates to the technical field of bridge supports, and particularly discloses a municipal bridge anti-overturning support which comprises a support body and inclined supporting seats arranged on the two sides of the top of the support body. The inclined supporting seat is connected with the seat body through a mounting piece, and an anti-overturning seat connected with a bridge is mounted at the top of the inclined supporting seat; the anti-overturning seat comprises a connecting disc connected to the top of the inclined supporting seat and a fixing column connected to the top of the connecting disc, the fixing column is slidably sleeved with a limiting cylinder, the top of the fixing column is connected with three rotating seats, each rotating seat is rotationally connected with a connecting rod, and the ends, away from the rotating seats, of the connecting rods are rotationally connected with sliding blocks. Through the arrangement of the rotating seats, the connecting rods, the sliding blocks, the springs and other structures, deformation of a bridge under the effect of overturning moment can be dealt with, the bridge is allowed to conduct certain overturning displacement, the bridge is prevented from being damaged or damaged due to overlarge stress, the bridge stretches out, draws back and moves to a certain degree when the bridge deforms, and the safety of the bridge is improved. Therefore, the stability and safety of the bridge structure are kept.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge supports, in particular to a support used for preventing overturning of municipal bridges. Background Art

[0002] Municipal bridges are an important part of urban infrastructure. Their main function is to cross rivers, roads or other obstacles to provide convenient transportation channels for citizens. Municipal bridges are generally composed of five major components: bridge span structure (superstructure), support system, piers, abutments and pier foundations. Bridge bearings are important structural components that connect the superstructure and substructure of the bridge. They are located between the bridge and the pad stone. They can reliably transfer the load and deformation (displacement and rotation) borne by the superstructure of the bridge to the substructure of the bridge.

[0003] The existing patent announcement number CN213571520U discloses a tensile and anti-overturning bridge bearing, which includes: a cushion stone, a lower support seat, a sliding plate rubber bearing and an upper support seat; the lower support seat includes a lower steel plate and two slots symmetrically arranged on the top surface of the lower steel plate, and the lower steel plate is fixed to the cushion stone by bolts; the upper support seat includes an upper steel plate and two columns symmetrically arranged on the bottom surface of the upper steel plate, the two columns of the upper support seat are correspondingly inserted into the two slots of the lower support seat, and the columns and the side walls of the slots are connected by pins, and a friction pair is provided at the contact between the columns and the bottom of the slots; the sliding plate rubber bearing is arranged between the lower support seat and the upper support seat, and is located on the upper steel plate In the space surrounded by the upper plate, the lower steel plate and the two slots, the sliding plate rubber bearing includes a polytetrafluoroethylene plate and a plate rubber bearing, the plate rubber bearing is fixed on the lower steel plate, the polytetrafluoroethylene plate is fixed on the top of the plate rubber bearing, and the upper steel plate is erected on the polytetrafluoroethylene plate; the top surface of the upper steel plate and the bottom of the upper beam are bonded with epoxy resin; when the bridge is subjected to a large eccentric load, the upper support seat can release part of the force when it moves relatively in the slot, thereby reducing the deformation of the bridge; and combined with the characteristic that the horizontal displacement of the upper support seat is not restricted when it slides freely on the surface of the polytetrafluoroethylene plate, the anti-overturning ability of the bridge is improved.

[0004] The above-mentioned bridge bearings can provide support and play an anti-overturning role, but in actual use, they are not conducive to the overturning displacement of the bridge within a certain range. During the long-term use of the bridge, due to factors such as temperature changes and load effects, certain deformations will occur. The above-mentioned device still needs to be improved in terms of coping with the deformation of the bridge under the overturning moment. In view of the above problems, a bearing for anti-overturning of municipal bridges is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a bearing for preventing overturning of a municipal bridge, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A support for anti-overturning of a municipal bridge, comprising a seat body and inclined support seats arranged on both sides of the top of the seat body;

[0008] The inclined support seat is connected to the seat body through a mounting piece, and an anti-overturning seat connected to the bridge is installed on the top of the inclined support seat;

[0009] The anti-overturning seat includes a connecting plate connected to the top of the inclined support seat and a fixed column connected to the top of the connecting plate. The fixed column is externally slidably sleeved on a limiting cylinder. The top of the fixed column is connected to three groups of rotating seats. Each group of rotating seats is rotatably connected to a connecting rod. The connecting rod is rotatably connected to a slider at one end away from the rotating seat. A movable groove is provided in the limiting cylinder, and one side of the slider is connected to a spring installed in the movable groove.

[0010] In an optional scheme: the mounting member includes an extension body and a screw rod, the oblique support seat is connected to the extension body on the side close to the seat body, the outer wall of the seat body is provided with a docking groove that docks with the extension body, the oblique support seat is connected to the extension plate on the side close to the seat body, the extension plate is in contact with the outer wall of the seat body on the side close to the extension body, the seat body is provided with a plurality of mounting holes, the extension body and the extension plate are both provided with connecting holes corresponding to the mounting holes, a screw rod that can extend to the outside of the extension plate is passed through the mounting hole, and the end of the screw rod is connected to a locking nut.

[0011] In an optional solution: a through hole is provided on the inclined support seat, and a through hole connected to the through hole is provided on the seat body, and the same set of traction steel cables are passed through the connected through hole and the through hole, and both ends of the traction steel cables are connected to a mounting seat that can be installed on the bottom side wall of the bridge, and the mounting seat is provided with bolt holes.

[0012] In an optional solution: the three groups of rotating seats are arranged in a circular array, and the spring is arranged on a side of the slider away from the rotating connection with the connecting rod.

[0013] In an optional solution: a movable gap is provided between the outer wall of the fixing column and the inner wall of the limiting cylinder, and the inner wall of the limiting cylinder is connected to an elastic pad.

[0014] In an optional solution: a plurality of mounting screw holes are provided on the top of the limiting cylinder.

[0015] In an optional solution, the outer wall of the slider is slidably matched with the inner wall of the movable groove.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The configuration of the rotating seat, connecting rod, slider, spring and other structures of the utility model can cope with the deformation of the bridge under the overturning moment, allowing the bridge to have a certain overturning displacement, avoiding the bridge from being destroyed or damaged due to excessive stress, and allowing the bridge to have a certain degree of expansion and contraction and displacement when deformation occurs, thereby maintaining the stability and safety of the bridge structure;

[0018] The seat body and the oblique support seat in the utility model are conveniently connected and fixed, and the seat body and the oblique support seat cooperate to play a stable supporting role and facilitate construction;

[0019] In the utility model, the traction steel cable and the mounting seat are arranged in coordination, and the two ends of the traction steel cable extend to the two sides of the bridge respectively, which can play a traction role, solidify the bridge foundation, and improve the stability of the bridge structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a schematic diagram of the split structure of the oblique support seat and the seat body in the utility model.

[0022] Figure 3 It is a structural schematic diagram of the anti-overturning seat in the utility model.

[0023] Figure 4 It is a partial cross-sectional structural schematic diagram of the anti-overturning seat in the utility model.

[0024] In the figure: 11, seat body; 12, inclined support seat; 13, anti-overturning seat; 14, traction cable; 15, mounting seat; 16, through hole; 17, extension body; 18, screw rod; 19, docking groove; 20, mounting hole; 21, limiting cylinder; 22, fixing column; 23, connecting plate; 24, rotating seat; 25, connecting rod; 26, slider; 27, spring; 28, moving groove. DETAILED DESCRIPTION

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 4 In this embodiment, the support for the municipal bridge anti-overturning includes a seat body 11 and oblique support seats 12 arranged on both sides of the top of the seat body 11;

[0028] The oblique support seat 12 is connected to the seat body 11 through a mounting piece, and an anti-overturning seat 13 connected to the bridge is installed on the top of the oblique support seat 12;

[0029] The anti-overturning seat 13 includes a connection plate 23 connected to the top of the inclined support seat 12 and a fixed column 22 connected to the top of the connection plate 23. The fixed column 22 is externally slidably sleeved with a limiting cylinder 21. The top of the fixed column 22 is connected to three groups of rotating seats 24. Each group of rotating seats 24 is rotatably connected to a connecting rod 25. The connecting rod 25 is rotatably connected to a slider 26 at one end away from the rotating seat 24. A moving groove 28 is provided in the limiting cylinder 21. A spring 27 installed in the moving groove 28 is connected to one side of the slider 26.

[0030] In this embodiment, the inclined support seat 12 is connected to the seat body 11 through a mounting piece, a corresponding number of connecting plates 23 are installed on the top of the inclined support seat 12, and the limiting cylinder 21 is connected to the bottom of the bridge. When the bridge is deformed under the action of the overturning moment, the local limiting cylinder 21 will be squeezed, and the corresponding connecting rod 25 can be squeezed to change the angle. The slider 26 at the corresponding position slides and can pull or squeeze the spring 27, so that the limiting cylinder 21 moves with the bridge within a certain range, allowing the bridge to have a certain overturning displacement, avoiding the bridge from being destroyed or damaged due to excessive stress, and allowing the bridge to expand and displace to a certain extent when deformation occurs, thereby maintaining the stability and safety of the bridge structure.

[0031] like Figure 1 and Figure 2As shown, in another embodiment, the mounting member includes an extension body 17 and a screw rod 18, the oblique support seat 12 is connected to the extension body 17 on the side close to the seat body 11, and the outer wall of the seat body 11 is provided with a docking groove 19 docking with the extension body 17, the oblique support seat 12 is connected to the extension plate on the side close to the seat body 11, and the extension plate is in contact with the outer wall of the seat body 11 on the side close to the extension body 17, and the seat body 11 is provided with a plurality of mounting holes 20, and the extension body 17 and the extension plate are both provided with connecting holes corresponding to the mounting holes 20, and the mounting holes 20 are penetrated with a screw rod 18 that can extend to the outside of the extension plate, and the end of the screw 18 is connected to a locking nut;

[0032] When the oblique support seat 12 is installed, the extension body 17 is docked into the docking groove 19, the extension plate is placed on both sides of the seat body 11, the screw 18 passes through the connecting hole and the mounting hole 20, and then the locking nut is used to connect to both ends of the screw 18 to fix the position of the screw 18, thereby fixing the oblique support seat 12 on the seat body 11.

[0033] In another embodiment, the oblique support seat 12 is provided with a through hole 16, the seat body 11 is provided with a through hole connected to the through hole 16, the connected through hole 16 and the through hole are penetrated with the same set of traction steel cables 14, both ends of the traction steel cables 14 are connected to a mounting seat 15 that can be mounted on the side wall of the bottom of the bridge, and the mounting seat 15 is provided with bolt holes;

[0034] After the inclined support seat 12 is installed, the traction cable 14 can pass through the through hole 16 and the through hole. The length of the traction cable 14 can be set according to actual needs. The mounting seat 15 is fixed to the bottom side wall of the bridge through external connecting parts (such as bolts). The traction cable 14 can play a traction role, solidify the bridge foundation, and improve the stability of the bridge structure.

[0035] like Figure 3 As shown, in another embodiment, the three groups of rotating seats 24 are arranged in a circular array, and the spring 27 is set on the side of the slider 26 away from the rotating connection with the connecting rod 25; the three groups of connecting rods 25 are used in combination to withstand the swing of the limit cylinder 21 in multiple positions.

[0036] In another embodiment, there is a movable gap between the outer wall of the fixing column 22 and the inner wall of the limiting cylinder 21, and the inner wall of the limiting cylinder 21 is connected to the elastic pad; when the fixing column 22 and the limiting cylinder 21 move relatively, the elastic pad can play a suction role.

[0037] In another embodiment, a plurality of mounting screw holes are provided on the top of the limiting cylinder 21; corresponding bolts can be used to connect the top of the limiting cylinder 21 to the bottom of the bridge.

[0038] In another embodiment, the outer wall of the slider 26 is slidably matched with the inner wall of the movable groove 28 ; the slider 26 can slide in the movable groove 28 to squeeze or stretch the spring 27 .

[0039] The working principle of the utility model is as follows: the oblique support seat 12 is connected to the seat body 11 through the mounting piece. When the oblique support seat 12 is installed, the extension body 17 is docked into the docking groove 19, and the extension plate is placed on both sides of the seat body 11. The screw rod 18 passes through the connecting hole and the mounting hole 20, and then the locking nut is used to connect the two ends of the screw rod 18 to fix the position of the screw rod 18, so that the oblique support seat 12 is fixed on the seat body 11, and a corresponding number of connecting plates 23 are installed on the top of the oblique support seat 12. The limiting cylinder 21 is connected to the bottom of the bridge. After the oblique support seat 12 is installed, the traction cable 14 can pass through the through hole 16 and the through hole. The length of the traction cable 14 can be set according to actual needs. The mounting seat 15 is fixed to the bottom side wall of the bridge by external connecting parts (such as bolts), and the traction cable 14 can play a traction role, solidify the bridge foundation, and improve the stability of the bridge structure; when the bridge is deformed under the action of the overturning moment, it will squeeze the local limiting cylinder 21, which can squeeze the corresponding connecting rod 25 to change the angle, and the slider 26 at the corresponding position can slide, which can pull or squeeze the spring 27, so that the limiting cylinder 21 moves with the bridge within a certain range, allowing the bridge to have a certain overturning displacement, avoiding the bridge from being destroyed or damaged due to excessive stress, and allowing the bridge to expand and displace to a certain extent when deformation occurs, thereby maintaining the stability and safety of the bridge structure.

[0040] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A support for preventing overturning of a municipal bridge, comprising a seat body (11) and inclined support seats (12) arranged on both sides of the top of the seat body (11); Features: The inclined support seat (12) is connected to the seat body (11) via a mounting member, and an anti-overturning seat (13) connected to the bridge is installed on the top of the inclined support seat (12); The anti-overturning seat (13) comprises a connecting plate (23) connected to the top of the inclined support seat (12) and a fixed column (22) connected to the top of the connecting plate (23); the fixed column (22) is externally slidably sleeved on a limiting cylinder (21); the top of the fixed column (22) is connected to three groups of rotating seats (24); each group of rotating seats (24) is rotatably connected to a connecting rod (25); the connecting rod (25) is rotatably connected to a sliding block (26) at one end away from the rotating seat (24); a movable groove (28) is provided in the limiting cylinder (21); one side of the sliding block (26) is connected to a spring (27) installed in the movable groove (28).

2. The bearing for anti-overturning of municipal bridges according to claim 1, characterized in that: The mounting member comprises an extension body (17) and a screw rod (18); the side of the inclined support seat (12) close to the seat body (11) is connected to the extension body (17); the outer wall of the seat body (11) is provided with a docking groove (19) docking with the extension body (17); the side of the inclined support seat (12) close to the seat body (11) is connected to an extension plate; the side of the extension plate close to the extension body (17) contacts the outer wall of the seat body (11); a plurality of mounting holes (20) are provided on the seat body (11); the extension body (17) and the extension plate are both provided with connection holes corresponding to the mounting holes (20); a screw rod (18) extending to the outside of the extension plate is passed through the mounting hole (20); the end of the screw rod (18) is connected to a locking nut.

3. The bearing for anti-overturning of municipal bridges according to claim 1, characterized in that: The inclined support seat (12) is provided with a through hole (16), the seat body (11) is provided with a through hole connected to the through hole (16), the connected through hole (16) and the through hole are penetrated by a same set of traction steel cables (14), both ends of the traction steel cables (14) are connected to a mounting seat (15) which can be mounted on the side wall of the bottom of the bridge, and the mounting seat (15) is provided with bolt holes.

4. The bearing for anti-overturning of municipal bridges according to claim 1, characterized in that: The three groups of rotating seats (24) are arranged in a circular array, and the spring (27) is arranged on a side of the slider (26) away from the rotation connection with the connecting rod (25).

5. The bearing for anti-overturning of municipal bridges according to claim 1 is characterized in that: There is a movable gap between the outer wall of the fixing column (22) and the inner wall of the limiting cylinder (21), and the inner wall of the limiting cylinder (21) is connected to an elastic pad.

6. The bearing for anti-overturning of municipal bridges according to claim 1 is characterized in that: The top of the limiting cylinder (21) is provided with a plurality of mounting screw holes.

7. The bearing for anti-overturning of municipal bridges according to claim 1 is characterized in that: The outer wall of the sliding block (26) is slidably matched with the inner wall of the moving groove (28).

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