Underwater bridge pier reinforcing device

Abstract

The utility model discloses an underwater bridge pier reinforcing device which comprises a bridge pier body, a fixing mechanism capable of supporting components below is arranged on the outer side of the bridge pier body, and a pressing mechanism is arranged in the center of the top of the bridge pier body. Through the arrangement of the lowering mechanism, stable lowering work can be conducted on the steel pipe, the deviation phenomenon of the steel pipe can be avoided, balance of the pouring space between the steel pipe and the pier is guaranteed, and therefore the overall reinforcing and repairing effect is improved; the reinforcing steel pipe and the toothed plate can stably move downwards through rotating force of a motor, a rotating rod and a gear, through the arrangement of the fixing mechanism, the steel pipe can be conveniently clamped and fixed, multiple sets of steel pipes can be conveniently spliced in a welding mode, the steel pipe can be conveniently arranged on the outer side of a pier in a sleeving mode, subsequent pouring operation is facilitated, and the construction efficiency is improved. And the downward pressing mechanism facilitates downward pressing operation so that the steel pipe can be pressed to the position under the earth surface or the deep position of the river bottom.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge reinforcement and repair, in particular to an underwater reinforcement device for bridge piers. Background Art

[0002] The bridge pier is a structure located between two abutments to support the span of the bridge. Due to the high humidity and strong corrosion ability in deep water, the strength of the bridge pier in deep water will change over time. If cracks or defects appear on the outside, the bridge pier will wear more severely, resulting in the weakening of the bearing capacity, durability and anti-penetration ability of the bridge pier, affecting the overall stability of the bridge. Therefore, it is usually necessary to reinforce the bridge pier in deep water. The current reinforcement treatment method usually requires workers to go deep underwater for reinforcement work. The reinforcement treatment speed is slow and the efficiency is not high. In addition, the stability and reinforcement effect of the reinforced structure cannot be guaranteed, and there is a threat to the life safety of the workers.

[0003] In view of the above technical problems, a deep-water bridge pier reinforcement structure is disclosed in the announcement number CN210712528U, wherein a plurality of steel boxes are sequentially spliced, and an underwater concrete body filled inside the steel boxes and between the steel boxes and the bridge piers together form a reinforcement structure, and the reinforcement effect is good;

[0004] The above patent also has the following shortcomings: during the actual repair and reinforcement process, the steel pipe will experience a free fall and then be pressed downward. It is easy to deviate during the natural fall, resulting in inconsistent spacing between the inner wall of the steel pipe and the bridge pier, causing inconvenience for subsequent filling and affecting the reinforcement effect. Utility Model Content

[0005] The purpose of the utility model is to provide an underwater reinforcement device for bridge piers, which has the advantage of stable downward movement, so that it can descend at a uniform speed until it touches the river bottom, and then ensure the balance of the casting space between the welded steel pipe and the bridge pier, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an underwater reinforcement device for a bridge pier, comprising a bridge pier body, a fixing mechanism capable of supporting components below is arranged on the outside of the bridge pier body, a pressing mechanism is arranged at the center of the top of the bridge pier body, a lowering mechanism for auxiliary reinforcement is arranged on the inside of the fixing mechanism and on the outside of the bridge pier body, the lowering mechanism comprises a fixing plate, and the fixing plate is arranged at the bottom of the fixing mechanism;

[0007] The outer side of the fixed plate is rotatably connected with a rotating rod, the outer side of the fixed plate is bolted with a motor, the output shaft of the motor is keyed to one end of the rotating rod, gears are fixedly installed at both ends of the surface of the rotating rod, a toothed plate is meshed on the inner side of the gear, a reinforcing steel pipe is fixedly installed on the inner side of the toothed plate, and the reinforcing steel pipe is sleeved on the outer side of the pier body.

[0008] Preferably, the pressing mechanism comprises a pushing assembly and a transverse plate, the transverse plate is fixedly mounted at the center of the top of the pier body, and the pushing assembly is arranged below the transverse plate.

[0009] Preferably, the pushing assembly includes a second electric push rod and a lower pressure ring, the second electric push rod is fixedly installed at both ends of the bottom of the cross plate, and the lower pressure ring is fixedly installed at the output end of the second electric push rod.

[0010] Preferably, the fixing mechanism comprises a connecting assembly and a pushing assembly, the connecting assembly is arranged on the outside of the pier body, and the pushing assembly is arranged on the inside of the connecting assembly.

[0011] Preferably, the connection assembly includes a hanging frame and a surrounding frame, the hanging frame is fixedly mounted on the top of the surrounding frame, and the surrounding frame is located at the bottom end of the hanging frame.

[0012] Preferably, the pushing assembly includes a first electric push rod, a pushing frame and a clamping plate, the first electric push rod is fixedly installed at the middle part of the inner side of the frame, the pushing frame is fixedly installed at the output end of the first electric push rod, and the clamping plate is fixedly installed at the inner end of the pushing frame.

[0013] Preferably, locking plates are provided at both ends of the enclosure, and bolt holes are provided on the outer sides of the locking plates.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model can be used to stabilize the steel pipe downward through the setting of the lowering mechanism, and can prevent it from deflecting, thereby ensuring the balance of the casting space between the steel pipe and the bridge pier, thereby improving the overall reinforcement and repair effect, and utilizing the rotational force of the motor, the rotating rod and the gear to enable the reinforced steel pipe and the tooth plate to move downward stably.

[0016] 2. The utility model is convenient for clamping and fixing the steel pipes through the setting of the fixing mechanism, so that multiple groups of steel pipes can be spliced ​​by welding, and can be put on the outside of the bridge pier for subsequent pouring operations, while the pressing mechanism is convenient for pressing operations, so as to press the steel pipes below the surface or deep under the river.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the pier structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the tightening plate of the utility model;

[0021] Figure 4 This is a schematic diagram of the gear structure of the utility model.

[0022] In the figure: 1. pier body; 2. fixing mechanism; 21. lifting frame; 22. surrounding frame; 23. first electric push rod; 24. pushing frame; 25. clamping plate; 3. lowering mechanism; 31. fixing plate; 32. motor; 33. rotating rod; 34. gear; 35. reinforcing steel pipe; 36. tooth plate; 4. pressing mechanism; 41. horizontal plate; 42. second electric push rod; 43. pressing ring. DETAILED DESCRIPTION

[0023] 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.

[0024] The utility model provides an underwater reinforcement device for a bridge pier, comprising a bridge pier body 1, a fixing mechanism 2 capable of supporting components below is arranged on the outside of the bridge pier body 1, a pressing mechanism 4 is arranged at the center of the top of the bridge pier body 1, a lowering mechanism 3 for auxiliary reinforcement is arranged on the inside of the fixing mechanism 2 and the outside of the bridge pier body 1, and the lowering mechanism 3 comprises a fixing plate 31, and the fixing plate 31 is arranged at the bottom of the fixing mechanism 2;

[0025] The outer side of the fixed plate 31 is rotatably connected to a rotating rod 33, and a motor 32 is bolted to the outer side of the fixed plate 31. The output shaft of the motor 32 is key-connected to one end of the rotating rod 33. Gears 34 are fixedly installed at both ends of the surface of the rotating rod 33. A tooth plate 36 is meshed on the inner side of the gear 34. A reinforcing steel pipe 35 is fixedly installed on the inner side of the tooth plate 36. The reinforcing steel pipe 35 is sleeved on the outer side of the pier body 1.

[0026] It is convenient to transport the welded reinforced steel pipe 35 stably into the river, and can continuously ensure the stability when it is downward, while the downward position is vertical.

[0027] When below:

[0028] The welded reinforced steel pipe 35 is released from the fixing operation of the extrusion force, and then the motor 32 works synchronously, and finally the motor 32 drives the rotating rod 33 to rotate, and when the rotating rod 33 rotates, it drives the gear 34 to rotate together, and then drives the tooth plate 36 to move downward through the meshing connection relationship, and when the tooth plate 36 moves downward, it drives the reinforced steel pipe 35 to move downward synchronously, and repeatedly drives several groups of welded reinforced steel pipes 35 downward until they are inserted into the river bottom;

[0029] Preferably, the pressing mechanism 4 includes a pushing assembly and a transverse plate 41 . The transverse plate 41 is fixedly installed at the center of the top of the pier body 1 , and the pushing assembly is arranged below the transverse plate 41 .

[0030] like Figure 4 As shown, the pushing assembly includes a second electric push rod 42 and a lower pressure ring 43. The second electric push rod 42 is fixedly installed at both ends of the bottom of the horizontal plate 41, and the lower pressure ring 43 is fixedly installed at the output end of the second electric push rod 42, so that the pushing force can exert pressure on the reinforced steel pipe 35 that is still inserted into the riverbed until it extends to the depth.

[0031] When pressing down:

[0032] The second electric push rod 42 works, and the second electric push rod 42 extends to push the lower pressing ring 43 to move downward until it contacts the reinforced steel pipe 35 and pushes it to continue to extend downward for reinforcement.

[0033] Furthermore, the fixing mechanism 2 includes a connecting component and a pushing component. The connecting component is arranged on the outer side of the pier body 1, and the pushing component is arranged on the inner side of the connecting component.

[0034] like Figure 3 As shown, the connection assembly includes a hanging frame 21 and a surrounding frame 22. The hanging frame 21 is fixedly installed on the top of the surrounding frame 22, and the surrounding frame 22 is located at the bottom of the hanging frame 21, which is beneficial to support the hanging operation.

[0035] like Figure 3 As shown, the pushing assembly includes a first electric push rod 23, a pushing frame 24 and a clamping plate 25. The first electric push rod 23 is fixedly installed in the middle of the inner side of the surrounding frame 22, the pushing frame 24 is fixedly installed at the output end of the first electric push rod 23, and the clamping plate 25 is fixedly installed at the inner end of the pushing frame 24, which can clamp and fix the reinforced steel pipe 35 to assist subsequent welding and assembly work.

[0036] like Figure 3 As shown, locking plates are provided at both ends of the enclosure 22, and bolt holes are provided on the outer sides of the locking plates to facilitate a stable connection between the two sets of enclosures 22.

[0037] When clamping:

[0038] First, the hoisting frame 21 drives the surrounding frame 22 to be bolted and fixed under the bridge, and then the two groups of surrounding frames 22 are bolted again to improve the connectivity, and finally the two unwelded groups of reinforcing steel pipes 35 are sleeved on the outside of the pier body 1, so as to control the distance between the pier body 1 and the reinforcing steel pipe 35, and make the two groups of reinforcing steel pipes 35 contact each other, and then the first electric push rod 23 works, and the first electric push rod 23 drives the pushing frame 24 to drive the clamping plate 25 to contact the reinforcing steel pipe 35 and achieve the clamping and fixing work, at this time, the two groups of reinforcing steel pipes 35 can be welded and fixed by welding, and then moved downward by the above method, at this time, the contact clamping state is required, and then the new reinforcing steel pipe 35 is hoisted again according to the above welding method, and this can be repeated;

[0039] Finally, when the reinforcement steel pipe 35 is pressed down to a preset depth, the water between the reinforcement steel pipe 35 and the pier body 1 can be drained, and then the pouring operation is carried out to solidify and complete the reinforcement and repair work.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The underwater reinforcement device for bridge piers is characterized by: The invention comprises a pier body (1), wherein a fixing mechanism (2) capable of supporting components below is arranged on the outside of the pier body (1), a pressing mechanism (4) is arranged at the center of the top of the pier body (1), and a lowering mechanism (3) for auxiliary reinforcement is arranged on the inside of the fixing mechanism (2) and the outside of the pier body (1), wherein the lowering mechanism (3) comprises a fixing plate (31), and the fixing plate (31) is arranged at the bottom of the fixing mechanism (2); The outer side of the fixed plate (31) is rotatably connected to a rotating rod (33), the outer side of the fixed plate (31) is bolted with a motor (32), the output shaft of the motor (32) is key-connected to one end of the rotating rod (33), both ends of the surface of the rotating rod (33) are fixedly mounted with gears (34), the inner side of the gear (34) is meshed with a toothed plate (36), the inner side of the toothed plate (36) is fixedly mounted with a reinforcing steel pipe (35), and the reinforcing steel pipe (35) is sleeved on the outer side of the pier body (1).

2. The underwater reinforcement device for bridge piers according to claim 1 is characterized in that: The pressing mechanism (4) comprises a pushing assembly and a transverse plate (41), wherein the transverse plate (41) is fixedly installed at the center of the top of the pier body (1), and the pushing assembly is arranged below the transverse plate (41).

3. The underwater reinforcement device for bridge piers according to claim 2 is characterized in that: The pushing assembly comprises a second electric push rod (42) and a lower pressure ring (43), wherein the second electric push rod (42) is fixedly mounted at two ends of the bottom of the transverse plate (41), and the lower pressure ring (43) is fixedly mounted at the output end of the second electric push rod (42).

4. The underwater reinforcement device for bridge piers according to claim 1 is characterized in that: The fixing mechanism (2) comprises a connecting component and a pushing component, wherein the connecting component is arranged on the outside of the pier body (1), and the pushing component is arranged on the inside of the connecting component.

5. The underwater reinforcement device for bridge piers according to claim 4 is characterized in that: The connection assembly comprises a hanging frame (21) and a surrounding frame (22), wherein the hanging frame (21) is fixedly mounted on the top of the surrounding frame (22), and the surrounding frame (22) is located at the bottom end of the hanging frame (21).

6. The underwater reinforcement device for bridge piers according to claim 5 is characterized in that: The pushing assembly comprises a first electric push rod (23), a pushing frame (24) and a clamping plate (25); the first electric push rod (23) is fixedly mounted at the middle of the inner side of the surrounding frame (22); the pushing frame (24) is fixedly mounted at the output end of the first electric push rod (23); and the clamping plate (25) is fixedly mounted at the inner end of the pushing frame (24).

7. The underwater reinforcement device for bridge piers according to claim 6 is characterized in that: Locking plates are provided at both ends of the enclosure (22), and bolt through holes are provided on the outer sides of the locking plates.

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