Bridge damping device

Abstract

The utility model relates to the technical field of damping devices, in particular to a bridge damping device which comprises a base and a supporting column, and the supporting column corresponds to the base. A damping shock absorber; and the damping assembly comprises a damping groove formed in the upper surface of the base, the supporting column is slidably connected with the inner wall of the damping groove, two symmetrical first mounting plates are fixedly arranged on the inner bottom wall of the damping groove, and two second mounting plates corresponding to the two first mounting plates are fixedly arranged at the bottom end of the supporting column. According to the shock absorption device, by arranging the shock absorption assembly, when the shock absorption device is used for carrying out shock absorption on the bridge body, compression of a damping medium can be achieved, effective shock buffering can be achieved, finally, downward pressure of the bridge body is converted into heat of the damping medium, the heat is transmitted to the outside of the fixing cylinder, and therefore the purpose of effective shock absorption is achieved; the damping assembly can be effectively used for a long time, and then the defect that in the prior art, the damping performance is reduced after long-time use is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbing devices, in particular to a bridge shock absorbing device. Background Art

[0002] During the construction of a bridge, shock-absorbing devices are installed on the piers to reduce the vibration of the bridge.

[0003] In the prior art, a Chinese patent with announcement number CN217234250U discloses a road bridge shock-absorbing device, which adopts the scheme of "including a bridge deck, a pier is provided at the bottom of the bridge deck, a rubber block is provided on the inner side of the pier and the bridge deck, two connecting blocks are fixedly provided at the bottom of the bridge deck, two outer shells are fixedly connected to the top of the pier, the bottom ends of the two connecting blocks extend to the inside of the two outer shells respectively, and shock-absorbing mechanisms are provided inside the two outer shells, and the shock-absorbing mechanisms include a trapezoidal block, the trapezoidal block is fixedly connected to the bottom of the connecting block, two support plates are fixedly connected to the inner wall of the bottom of the outer shell, and the bottom end of the trapezoidal block is located on the inner side of the two support plates". This scheme can play a shock-absorbing and buffering role through the cooperation of spring one, spring two and spring three, and can play a good shock-absorbing effect through the energy storage and release of the spring performance, so as to avoid rigid contact between the bridge deck and the pier, thereby avoiding damage to both, thereby increasing the safety and service life of the bridge.

[0004] However, the above scheme still has some shortcomings. For example, the scheme only uses a number of springs to reduce shock during shock absorption. Although it can achieve the purpose of shock absorption, during long-term use, the elastic coefficient of the spring will change with the long-term expansion and contraction of the spring, so that the device has the defect of reduced shock absorption performance after long-term use.

[0005] In view of this, the utility model proposes a bridge shock absorbing device. Utility Model Content

[0006] The purpose of the utility model is to provide a bridge shock absorbing device to solve the problems raised in the above background technology.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bridge shock absorbing device, comprising:

[0008] Bases, the number of the bases is two, and the bases are arranged on the upper surface of the pier;

[0009] A support column, the support column corresponds to the base, and the support column is arranged on the lower surface of the bridge body;

[0010] A damping shock absorber is fixedly mounted on the upper surface of the bridge pier, and a shock absorbing end of the damping shock absorber overlaps the lower surface of the bridge body;

[0011] A shock absorbing assembly, the shock absorbing assembly includes a shock absorbing groove opened on the upper surface of the base, and the support column is slidably connected to the inner wall of the shock absorbing groove, the inner bottom wall of the shock absorbing groove is fixedly provided with two symmetrical first mounting plates, and the bottom end of the support column is fixedly provided with two second mounting plates corresponding to the two first mounting plates, the opposite surfaces of the first mounting plate and the second mounting plate are equidistantly provided with a plurality of corresponding rotation grooves, the inner walls of the two rotation grooves opposite to the first mounting plate and the second mounting plate are rotatably provided with a fixed cylinder, the inner wall of the fixed cylinder is fixedly provided with a sealing partition, and the fixed cylinder The interior is divided into a buffer chamber and an installation chamber by a sealed partition, the interior of the buffer chamber is filled with damping medium, a piston disc is slidably arranged on the inner wall of the buffer chamber, and a sealing sleeve is fixedly arranged on the outer ring surface of the piston disc, and two symmetrical damping holes for the flow of damping medium are opened on the surface of the piston disc, a pressure rod extending to the outside of the fixed cylinder is fixedly arranged on the surface of one side of the piston disc, and one end of the pressure rod is rotatably connected to the inner wall of the rotating groove on the second mounting plate, a connecting rod is fixedly arranged at the bottom end of the fixed cylinder, and the end of the connecting rod is rotatably connected to the inner wall of the rotating groove on the first mounting plate.

[0012] As a preferred technical solution, sliding blocks are fixedly provided on both side surfaces of the bottom end of the support column, and limiting sliding grooves for the sliding blocks to slide are provided on both side inner walls of the base.

[0013] As a preferred technical solution, a plurality of limit sliding rods are equidistantly fixed on the inner wall of the limit sliding groove, and sliding holes for the limit sliding rods to slide are opened on the upper surface of the slider, and two symmetrical ventilation mesh plates are embedded in the inner wall of the shock absorbing groove.

[0014] As a preferred technical solution, a sliding hole for sliding the pressure rod is opened at the end of the fixing tube, and a first sealing ring is fixed at the end of the fixing tube and is slidably connected to the outer surface of the pressure rod for sealing the sliding hole.

[0015] As a preferred technical solution, a fixing column is fixedly provided on the other side surface of the piston disc, and a sealing hole for sliding of the fixing column is opened on the side of the sealing partition, and a second sealing ring for sealing the sealing hole is fixedly provided on the other side surface of the partition, which is slidably connected to the outer surface of the fixing column.

[0016] As a preferred technical solution, a cylindrical cavity is opened at the end of the fixing column, and a positioning rod fixedly connected to the inner wall of the fixing cylinder is slidably provided on the inner wall of the cylindrical cavity.

[0017] As a preferred technical solution, the surface of the fixed column is fixedly provided with a sliding disk slidably connected to the inner wall of the installation cavity, and the outer surface of the positioning rod is sleeved with a spring, and the two ends of the spring are respectively fixedly connected to the inner wall of the fixed cylinder and the side of the sliding disk.

[0018] Beneficial Effects

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] 1. The utility model sets a shock-absorbing component so that when the device performs shock absorption on the bridge body, it can compress the damping medium and achieve effective buffering of vibration. Finally, the downward pressure of the bridge body is converted into heat of the damping medium and transmitted to the outside of the fixed cylinder, thereby achieving the purpose of effective shock absorption. The shock-absorbing component can be used effectively for a long time, thereby effectively solving the defect of reduced shock absorption performance after long-term use in the prior art.

[0021] 2. The utility model can further ensure the shock absorption performance of the bridge body through the damping shock absorber. At the same time, the setting of the spring can assist the reset of the piston disc, which is convenient for the reset of the piston disc and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0025] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0026] Figure 4 This is a schematic diagram of the cross-sectional structure of the fixed cylinder of the utility model;

[0027] Figure 5 For this utility model Figure 4 Enlarged structural diagram at B in the middle.

[0028] In the figure:

[0029] 100, base;

[0030] 200, bridge pier;

[0031] 300, support column;

[0032] 400. Bridge body;

[0033] 500, damping shock absorber;

[0034] 600, shock absorbing assembly; 601, first mounting plate; 602, second mounting plate; 603, fixed cylinder; 604, sealing partition; 605, buffer chamber; 606, mounting chamber; 607, piston disc; 608, sealing sleeve; 609, damping hole; 6010, pressure rod; 6011, connecting rod; 6012, slider; 6013, limit slide rod; 6014, first sealing ring; 6015, fixed column; 6016, second sealing ring; 6017, cylindrical chamber; 6018, positioning rod; 6019, sliding disc; 6020, spring; 6021, ventilation mesh plate. DETAILED DESCRIPTION

[0035] 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.

[0036] According to the attached Figure 1-5 As shown, the embodiment of the utility model provides a bridge shock absorbing device, comprising:

[0037] A base 100, wherein the number of the bases 100 is two and the bases 100 are arranged on the upper surface of the pier 200;

[0038] A support column 300 , the support column 300 corresponds to the base 100 , and the support column 300 is disposed on the lower surface of the bridge body 400 ;

[0039] A damping shock absorber 500 is fixedly mounted on the upper surface of the bridge pier 200, and a shock absorbing end of the damping shock absorber 500 overlaps the lower surface of the bridge body 400;

[0040] The shock absorbing assembly 600 includes a shock absorbing groove provided on the upper surface of the base 100, and the support column 300 is slidably connected to the inner wall of the shock absorbing groove. Slide blocks 6012 are fixedly provided on both side surfaces of the bottom end of the support column 300, and limiting grooves for the sliding of the slide blocks 6012 are provided on both side inner walls of the base 100, so that the support column 300 can only move up and down, thereby ensuring the stability of the support column 300 when moving.

[0041] A number of limit slide bars 6013 are fixedly arranged at equal intervals on the inner wall of the limit slide groove, and a sliding hole for the limit slide bars 6013 to slide is opened on the upper surface of the slider 6012, and two symmetrical ventilation mesh plates 6021 are embedded in the inner wall of the shock absorbing groove to effectively dissipate heat inside the shock absorbing groove and allow the outside wind to flow into the interior of the shock absorbing groove.

[0042] Two symmetrical first mounting plates 601 are fixedly provided on the inner bottom wall of the shock-absorbing groove, and two second mounting plates 602 corresponding to the two first mounting plates 601 are fixedly provided on the bottom end of the support column 300, and a number of corresponding rotation grooves are equidistantly provided on the opposite surfaces of the first mounting plate 601 and the second mounting plate 602, and a fixed cylinder 603 is rotatably provided on the inner walls of the two rotation grooves opposite to the first mounting plate 601 and the second mounting plate 602, and a sealing partition 604 is fixedly provided on the inner wall of the fixed cylinder 603, and the interior of the fixed cylinder 603 is divided into a buffer chamber 605 and a mounting chamber 606 by the sealing partition 604, and the interior of the buffer chamber 605 is filled with a damping medium, and the damping medium is grease.

[0043] A piston disc 607 is slidably provided on the inner wall of the buffer chamber 605, and a sealing sleeve 608 is fixedly provided on the outer ring surface of the piston disc 607. Two symmetrical damping holes 609 for the flow of damping medium are provided on the surface of the piston disc 607. A pressure rod 6010 extending to the outside of the fixed cylinder 603 is fixedly provided on the surface of one side of the piston disc 607, and one end of the pressure rod 6010 is rotatably connected to the inner wall of the rotating groove on the second mounting plate 602. A connecting rod 6011 is fixedly provided at the bottom end of the fixed cylinder 603, and the end of the connecting rod 6011 is rotatably connected to the inner wall of the rotating groove on the first mounting plate 601.

[0044] The end of the fixed tube 603 is provided with a sliding hole for the compression rod 6010 to slide, and the end of the fixed tube 603 is fixed with a first sealing ring 6014 slidably connected to the outer surface of the compression rod 6010 for sealing the sliding hole to prevent the outflow of the damping medium.

[0045] A fixing column 6015 is fixedly provided on the other side surface of the piston disk 607, and a sealing hole for sliding of the fixing column 6015 is opened on the side of the sealing partition 604. A second sealing ring 6016 is fixedly provided on the other side surface of the sealing partition 604 for sealing the sealing hole and is slidably connected to the outer surface of the fixing column 6015, thereby preventing the damping medium from flowing into the interior of the installation cavity 606.

[0046] A cylindrical cavity 6017 is formed at the end of the fixed column 6015, and a positioning rod 6018 fixedly connected to the inner wall of the fixed cylinder 603 is slidably provided on the inner wall of the cylindrical cavity 6017, which effectively ensures the stability of the piston disc 607 during movement.

[0047] A sliding disk 6019 is fixedly disposed on the surface of the fixed column 6015 and is slidably connected to the inner wall of the mounting cavity 606. A spring 6020 is sleeved on the outer surface of the positioning rod 6018. Both ends of the spring 6020 are respectively fixedly connected to the inner wall of the fixed cylinder 603 and the side of the sliding disk 6019 to facilitate the resetting of the piston disk 607.

[0048] The utility model provides a shock absorbing assembly 600 so that when the bridge body 400 is subjected to downward pressure, the support column 300 is driven to move downward. The downward movement of the support column 300 drives the pressure rod 6010 to move toward the inside of the fixed cylinder 603, driving the piston plate 607 to slide on the inner wall of the buffer chamber 605. During the sliding process of the piston plate 607, the damping medium in the compressed buffer chamber 605 can slowly enter the stretched buffer chamber 605 through the damping hole 609, thereby compressing the damping medium and effectively buffering the vibration. Finally, the downward pressure of the bridge body 400 is converted into heat of the damping medium and transmitted to the outside of the fixed cylinder 603, thereby achieving the purpose of effective shock absorption. The shock absorbing assembly 600 can be used effectively for a long time without aging, thereby effectively solving the defect of reduced shock absorption performance after long-term use in the prior art.

[0049] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A bridge shock absorbing device, characterized in that: include, Bases (100), the number of the bases (100) is two, and the bases (100) are arranged on the upper surface of the pier (200); A support column (300), the support column (300) corresponds to the base (100), and the support column (300) is arranged on the lower surface of the bridge body (400); A damping shock absorber (500) is fixedly mounted on the upper surface of the bridge pier (200), and a shock absorbing end of the damping shock absorber (500) overlaps the lower surface of the bridge body (400); A shock absorbing assembly (600), the shock absorbing assembly (600) comprising a shock absorbing groove provided on the upper surface of a base (100), and a support column (300) being slidably connected to the inner wall of the shock absorbing groove, the inner bottom wall of the shock absorbing groove being fixedly provided with two symmetrical first mounting plates (601), and the bottom end of the support column (300) being fixedly provided with two second mounting plates (602) corresponding to the two first mounting plates (601), the opposing surfaces of the first mounting plates (601) and the second mounting plates (602) being evenly spaced and provided with a plurality of corresponding rotation grooves, the inner walls of the two rotation grooves opposite to the first mounting plates (601) and the second mounting plates (602) being rotationally provided with a fixed cylinder (603), the inner wall of the fixed cylinder (603) being fixedly provided with a sealing partition (604), and the interior of the fixed cylinder (603) being sealed by the sealing partition (604). 4) is divided into a buffer chamber (605) and a mounting chamber (606), the buffer chamber (605) is filled with damping medium, a piston disc (607) is slidably arranged on the inner wall of the buffer chamber (605), and a sealing sleeve (608) is fixedly arranged on the outer ring surface of the piston disc (607), and two symmetrical damping holes (609) for the damping medium to flow are provided on the surface of the piston disc (607), a pressure rod (6010) extending to the outside of the fixed cylinder (603) is fixedly arranged on one side surface of the piston disc (607), and one end of the pressure rod (6010) is rotatably connected to the inner wall of the rotating groove on the second mounting plate (602), and a connecting rod (6011) is fixedly arranged at the bottom end of the fixed cylinder (603), and the end of the connecting rod (6011) is rotatably connected to the inner wall of the rotating groove on the first mounting plate (601).

2. A bridge shock absorbing device according to claim 1, characterized in that: Slide blocks (6012) are fixedly provided on both side surfaces of the bottom end of the support column (300), and limiting sliding grooves for the slide blocks (6012) to slide are provided on both side inner walls of the base (100).

3. A bridge shock absorbing device according to claim 2, characterized in that: The inner wall of the limiting slide groove is fixedly provided with a plurality of limiting slide bars (6013) at equal intervals, and the upper surface of the slider (6012) is provided with sliding holes for the plurality of limiting slide bars (6013) to slide, and the inner wall of the shock absorbing groove is embedded with two symmetrical ventilation mesh plates (6021).

4. A bridge shock absorbing device according to claim 1, characterized in that: The end of the fixed tube (603) is provided with a sliding hole for the pressure rod (6010) to slide, and the end of the fixed tube (603) is fixed with a first sealing ring (6014) which is slidably connected to the outer surface of the pressure rod (6010) and is used to seal the sliding hole.

5. A bridge shock absorbing device according to claim 1, characterized in that: A fixing column (6015) is fixedly provided on the other side surface of the piston disc (607), and a sealing hole for sliding of the fixing column (6015) is opened on the side of the sealing partition (604), and a second sealing ring (6016) for sealing the sealing hole is fixedly provided on the other side surface of the sealing partition (604) and is slidably connected to the outer surface of the fixing column (6015).

6. A bridge shock absorbing device according to claim 5, characterized in that: A columnar cavity (6017) is provided at the end of the fixed column (6015), and a positioning rod (6018) is slidably provided on the inner wall of the columnar cavity (6017) and is fixedly connected to the inner wall of the fixed cylinder (603).

7. A bridge shock absorbing device according to claim 6, characterized in that: The surface of the fixed column (6015) is fixedly provided with a sliding disk (6019) slidably connected to the inner wall of the installation cavity (606), and the outer surface of the positioning rod (6018) is sleeved with a spring (6020), and the two ends of the spring (6020) are respectively fixedly connected to the inner wall of the fixed cylinder (603) and the side of the sliding disk (6019).

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