Anti-scouring and anti-abrasion protection structure for bridge pier

Abstract

The utility model relates to the technical field of pier scour and abrasion prevention, in particular to a pier scour and abrasion prevention protection structure which comprises a main body mechanism, a damping mechanism and a filling mechanism, the damping mechanism is fixedly arranged on the main body mechanism, and the filling mechanism is fixedly arranged in the main body mechanism. The main body mechanism comprises a movable baffle, a fixed baffle, a sliding groove, a fixed block, a fixed ring, a sealing gasket, a connecting block, a threaded groove and a bolt, the sliding groove is formed in the fixed baffle, the movable baffle is movably arranged on the fixed baffle through the sliding groove, and one end of the fixed block is fixedly arranged on one side of the fixed baffle. According to the anti-scouring and anti-abrasion protection structure for the bridge pier, the movable baffle can slow down impact of water flow on the bridge pier through the combined action of the movable baffle, the damping springs and the hydraulic rods, and the service life of the movable baffle is greatly prolonged through the design of the anti-corrosion layer and other layers.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge pier anti-scouring and abrasion, in particular to a bridge pier anti-scouring and abrasion protection structure. Background Art

[0002] The bridge pier is a substructure that supports the bridge span structure and transmits the dead load and vehicle live load to the foundation. The bridge abutment is located on both sides of the bridge. The bridge pier is between the two abutments. The function of the bridge pier is to support the bridge span structure: The bridge abutment not only supports the bridge span structure, but also connects with the embankment and prevents the embankment from skidding. In order to protect the bridge abutment and the embankment fill, some protection and diversion projects are often carried out on both sides of the bridge abutment.

[0003] A bridge pier anti-scouring and abrasion protection structure is disclosed in the Chinese utility model patent application disclosure specification CN218667090U. It includes a riverbed and a bridge pier vertically arranged on the riverbed, and the bridge pier is provided with a protective sleeve covering the bridge pier, and the bottom of the protective sleeve is in contact with the riverbed: the protective sleeve includes an upper and lower part, and the outer side of the lower protective sleeve is covered with a buffer part. In the utility model, by arranging a protective sleeve on the bridge pier, the protective sleeve can reduce the abrasion of sand and gravel on the bridge pier pile foundation, and the outer side of the lower protective sleeve is covered with a buffer part, which is used to reduce the impact of stones in the river water on the bridge pier, but the anti-impact ability of the device is slightly insufficient, which makes the bridge pier easily affected by water flow impact. For this reason, we propose a bridge pier anti-scouring and abrasion protection structure. Utility Model Content

[0004] The utility model aims to provide a bridge pier anti-scouring and abrasion protection structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A bridge pier anti-scour and abrasion protection structure comprises a main body mechanism, a shock absorbing mechanism and a filling mechanism, wherein the shock absorbing mechanism is fixedly arranged on the main body mechanism, and the filling mechanism is fixedly arranged inside the main body mechanism; the main body mechanism comprises a movable baffle, a fixed baffle, a slide groove, a fixed block, a fixed ring, a sealing gasket, a connecting block, a threaded groove and a bolt; the slide groove is arranged on the fixed baffle, and the movable baffle is movably arranged on the fixed baffle through the slide groove; one end of the fixed block is fixedly arranged on one side of the fixed baffle, and the other end of the fixed block is fixedly arranged on the fixed ring; the fixed ring is composed of two semicircular rings, the sealing gasket is fixedly arranged at the connecting port of the fixed ring, the connecting block is fixedly arranged on the fixed ring, the threaded groove is arranged inside the connecting block, and the bolt is movably arranged on the threaded groove.

[0007] Preferably, the shock absorbing mechanism comprises a shock absorbing spring, a spring rod, a hydraulic rod and a base, and one end of the shock absorbing spring is fixedly arranged on a fixing ring.

[0008] Through the above solution, the shock-absorbing spring is provided so that the movable baffle can mitigate the impact force of the water flow on the bridge pier.

[0009] Preferably, the other end of the shock absorbing spring is fixedly arranged on the movable baffle, and the spring rod passes through the shock absorbing spring.

[0010] Through the above solution, the spring rod is arranged so that the shock absorbing spring will not be deformed in other directions.

[0011] Preferably, the spring rod is fixedly arranged between the fixed ring and the movable baffle, the hydraulic rod is fixedly arranged on one side of the movable baffle, one end of the base is fixedly arranged on the hydraulic rod, and the other end of the base is fixedly arranged on the fixed ring.

[0012] Through the above solution, the shock absorbing effect of the movable baffle is further enhanced by arranging the hydraulic rod.

[0013] Preferably, the filling mechanism comprises an anti-corrosion layer, a waterproof layer, a reinforcement layer, a shock-absorbing layer and a support layer, the anti-corrosion layer is the outer side surface of the movable baffle, and the anti-corrosion layer is fixedly arranged on the waterproof layer.

[0014] Through the above solution, the anti-corrosion layer is provided so that the movable baffle can reduce the corrosion of the baffle itself by impurities in the water.

[0015] Preferably, the reinforcing layer is fixedly arranged on the waterproof layer, the shock absorbing layer is fixedly arranged on the reinforcing layer, the supporting layer is fixedly arranged on the shock absorbing layer, and the supporting layer is the inner side surface of the movable baffle.

[0016] Through the above solution, by providing the vibration reduction layer, the movable baffle itself can also reduce the impact force of the water flow.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] When in use, the bridge pier anti-scour and abrasion protection structure is first installed on the bridge pier through a fixing ring, and then the fixing ring is fixed to the connecting block by screwing the bolts. The above operation makes the installation of the device more convenient and is also conducive to later maintenance and replacement.

[0019] The bridge pier anti-scour and abrasion protection structure enables the movable baffle to mitigate the impact of water flow on the bridge pier through the combined action of the movable baffle, the damping spring and the hydraulic rod, and greatly improves the service life of the movable baffle through the design of the anti-corrosion layer and other layers. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the connecting block and the fixing ring of the utility model;

[0022] Figure 3 It is a schematic diagram of the shock absorbing mechanism of the utility model;

[0023] Figure 4 It is a schematic diagram of the filling mechanism of the utility model.

[0024] In the figure: 1. main body; 101. movable baffle; 102. fixed baffle; 103. slide groove; 104. fixed block; 105. fixed ring; 106. sealing gasket; 107. connecting block; 108. threaded groove; 109. bolt; 2. shock absorbing mechanism; 201. shock absorbing spring; 202. spring rod; 203. hydraulic rod; 204. base; 3. filling mechanism; 301. anti-corrosion layer; 302. waterproof layer; 303. reinforcement layer; 304. shock absorbing layer; 305. supporting layer. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1 - Figure 4 As shown, a technical solution provided by the utility model:

[0027] A bridge pier anti-scour and abrasion protection structure comprises a main body mechanism 1, a shock absorbing mechanism 2 and a filling mechanism 3, wherein the shock absorbing mechanism 2 is fixedly arranged on the main body mechanism 1, and the filling mechanism 3 is fixedly arranged inside the main body mechanism 1; the main body mechanism 1 comprises a movable baffle 101, a fixed baffle 102, a slide groove 103, a fixed block 104, a fixed ring 105, a sealing gasket 106, a connecting block 107, a threaded groove 108 and a bolt 109; the slide groove 103 is arranged on the fixed baffle 102, the movable baffle 101 is movably arranged on the fixed baffle 102 through the slide groove 103, one end of the fixed block 104 is fixedly arranged on one side of the fixed baffle 102, and the other end of the fixed block 104 is fixedly arranged on the fixed ring 105, the fixed ring 105 is composed of two semicircular rings, the sealing gasket 106 is fixedly arranged at the connecting port of the fixed ring 105, the connecting block 107 is fixedly arranged on the fixed ring 105, the threaded groove 108 is arranged inside the connecting block 107, and the bolt 109 is movably arranged on the threaded groove 108.

[0028] In this embodiment, preferably, the shock absorbing mechanism 2 includes a shock absorbing spring 201 , a spring rod 202 , a hydraulic rod 203 and a base 204 , and one end of the shock absorbing spring 201 is fixedly disposed on the fixing ring 105 .

[0029] Through the above solution, by providing the shock absorbing spring 201, the movable baffle 101 can reduce the impact force of the water flow on the bridge pier.

[0030] In this embodiment, preferably, the other end of the shock absorbing spring 201 is fixedly disposed on the movable baffle 101 , and the spring rod 202 passes through the shock absorbing spring 201 .

[0031] Through the above solution, the spring rod 202 is provided so that the shock absorbing spring 201 will not be deformed in other directions.

[0032] In this embodiment, preferably, the spring rod 202 is fixedly arranged between the fixed ring 105 and the movable baffle 101, the hydraulic rod 203 is fixedly arranged on one side of the movable baffle 101, one end of the base 204 is fixedly arranged on the hydraulic rod 203, and the other end of the base 204 is fixedly arranged on the fixed ring 105.

[0033] Through the above solution, the hydraulic rod 203 is provided to further enhance the shock absorbing effect of the movable baffle 101 .

[0034] In this embodiment, preferably, the filling mechanism 3 includes an anti-corrosion layer 301, a waterproof layer 302, a reinforcement layer 303, a shock-absorbing layer 304 and a support layer 305, the anti-corrosion layer 301 is the outer side surface of the movable baffle 101, and the anti-corrosion layer 301 is fixedly arranged on the waterproof layer 302.

[0035] Through the above solution, by providing the anti-corrosion layer 301, the movable baffle 101 can reduce the corrosion of the baffle itself by impurities in the water.

[0036] In this embodiment, preferably, the reinforcing layer 303 is fixedly disposed on the waterproof layer 302 , the vibration reduction layer 304 is fixedly disposed on the reinforcing layer 303 , the supporting layer 305 is fixedly disposed on the vibration reduction layer 304 , and the supporting layer 305 is the inner side surface of the movable baffle 101 .

[0037] Through the above solution, by providing the vibration reduction layer 304, the movable baffle 101 itself can also reduce the impact force of the water flow.

[0038] When a bridge pier anti-scour and abrasion protection structure of the present embodiment is used, it is first installed on the bridge pier through the fixing ring 105, and then the fixing ring 105 is fixed by the connecting block 107 by tightening the bolt 109. The above operation makes the installation of the device more convenient and is also conducive to later maintenance and replacement. The combined action of the movable baffle 101, the shock-absorbing spring 201, and the hydraulic rod 203 enables the movable baffle 101 to reduce the impact of water flow on the bridge pier, and the design of the anti-corrosion layer 301 and other layers greatly improves the service life of the movable baffle 101.

[0039] 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 pier anti-scour and abrasion protection structure, comprising a main body mechanism (1), a shock absorbing mechanism (2) and a filling mechanism (3), characterized in that: The shock absorbing mechanism (2) is fixedly arranged on the main body mechanism (1), and the filling mechanism (3) is fixedly arranged inside the main body mechanism (1). The main body mechanism (1) comprises a movable baffle (101), a fixed baffle (102), a slide groove (103), a fixed block (104), a fixed ring (105), a sealing gasket (106), a connecting block (107), a threaded groove (108) and a bolt (109). The slide groove (103) is provided on the fixed baffle (102), and the movable baffle (101) is movably arranged on the fixed baffle (102) through the slide groove (103). On the fixed baffle (102), one end of the fixed block (104) is fixedly arranged on one side of the fixed baffle (102), and the other end of the fixed block (104) is fixedly arranged on the fixed ring (105), the fixed ring (105) is composed of two semicircular rings, the sealing gasket (106) is fixedly arranged at the connection port of the fixed ring (105), the connecting block (107) is fixedly arranged on the fixed ring (105), the thread groove (108) is opened inside the connecting block (107), and the bolt (109) is movably arranged on the thread groove (108).

2. The bridge pier anti-scouring and abrasion protection structure according to claim 1, characterized in that: The shock absorbing mechanism (2) comprises a shock absorbing spring (201), a spring rod (202), a hydraulic rod (203) and a base (204); one end of the shock absorbing spring (201) is fixedly arranged on a fixing ring (105).

3. The bridge pier anti-scouring and abrasion protection structure according to claim 2, characterized in that: The other end of the shock absorbing spring (201) is fixedly arranged on the movable baffle (101), and the spring rod (202) passes through the shock absorbing spring (201).

4. The bridge pier anti-scouring and abrasion protection structure according to claim 2, characterized in that: The spring rod (202) is fixedly arranged between the fixed ring (105) and the movable baffle (101), the hydraulic rod (203) is fixedly arranged on one side of the movable baffle (101), one end of the base (204) is fixedly arranged on the hydraulic rod (203), and the other end of the base (204) is fixedly arranged on the fixed ring (105).

5. The bridge pier anti-scouring and abrasion protection structure according to claim 1, characterized in that: The filling mechanism (3) comprises an anti-corrosion layer (301), a waterproof layer (302), a reinforcement layer (303), a shock-absorbing layer (304) and a support layer (305); the anti-corrosion layer (301) is the outer side surface of the movable baffle (101); and the anti-corrosion layer (301) is fixedly arranged on the waterproof layer (302).

6. The bridge pier anti-scouring and abrasion protection structure according to claim 5, characterized in that: The reinforcing layer (303) is fixedly arranged on the waterproof layer (302), the shock absorbing layer (304) is fixedly arranged on the reinforcing layer (303), the supporting layer (305) is fixedly arranged on the shock absorbing layer (304), and the supporting layer (305) is the inner side surface of the movable baffle (101).

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