CN215976820U

CN215976820U - Toe interlocking block for underwater scour prevention of pier

Info

Publication number: CN215976820U
Application number: CN202122460553.3U
Authority: CN
Inventors: 谢华亮; 韩志远; 杨光; 周瑞琦; 李怀远; 李文丹; 左书华
Original assignee: Tianjin Research Institute for Water Transport Engineering MOT
Current assignee: Tianjin Research Institute for Water Transport Engineering MOT
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-08
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a toe interlocking block for underwater scour prevention of a pier, which comprises a body, wherein any end of the lower end surface of the body is fixedly connected with a toe, a plurality of ground thorns are fixedly connected to the lower end surface array of the toe, and the outer wall of each ground thorn is provided with anti-pulling components at equal intervals in the circumferential direction; the connecting cable is fixed in the body, four ends of the connecting cable respectively extend out of four sides of the body, and the tail end of the connecting cable is fixedly connected with a connecting part; the connecting parts on the adjacent bodies are detachably connected. The utility model has simple structure, convenient manufacture and simple and easy use, can effectively improve the impact resistance of the device under the action of the water flow on the seabed, reduces the scouring force of the water flow on the bridge pier, improves the stability of the bridge pier and prolongs the service life of the bridge.

Description

Toe interlocking block for underwater scour prevention of pier

Technical Field

The utility model relates to the technical field of protection engineering, in particular to a toe interlocking block for preventing underwater scour of a pier.

Background

At present, more and more sea-crossing bridges are built to be communicated, and after the bridges are built, besides the natural evolution of seabed, the local scouring of the piers caused by the water flow due to the interference of the piers on the water flow and the movement of silt can influence the stability of the piers and threaten the safety of the bridges. The pier protection engineering measures researched in recent years mainly protect against riprap or precast concrete blocks, but the blocks are not connected with each other in the bottom protection process, the composed bottom protection structure is loose, and after the pier is subjected to the long-term action of power such as ocean currents, waves and the like, the pier is often damaged, so that the bottom protection effect is invalid.

In the prior art, a soft body row of a concrete interlocking block is adopted for pier protection, the soft body row consists of arrangement and ballast, the ballast arranged on the arrangement is the concrete interlocking block with an embedded rope, and the concrete interlocking block is fixed with the arrangement into a whole by penetrating a binding ring on a reinforcing band through the rope. However, the existing concrete interlocking blocks are basically regular cuboid or cube structures, a plurality of interlocking blocks are connected with each other and are pressed and arranged only by self gravity, when the existing concrete interlocking blocks meet the action of uneven seabed and large bottom flow velocity, the anti-impact performance is reduced, the overall stability of the row body is affected, and once the local damage occurs, the structural instability can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a toe interlocking block for preventing underwater scour of a pier, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a toe interlocking block for underwater scour prevention of a pier, which comprises a body, wherein any end of the lower end surface of the body is fixedly connected with a toe, a plurality of ground thorns are fixedly connected to the lower end surface array of the toe, and the outer wall of each ground thorn is provided with anti-pulling components at equal intervals in the circumferential direction;

a connecting cable is fixed in the body, four ends of the connecting cable respectively extend out of four sides of the body, and a connecting part is fixedly connected to the tail end of the connecting cable; the connecting parts on the adjacent bodies are detachably connected.

Preferably, the anti-pulling assembly comprises an anti-pulling groove formed in the outer wall of the ground thorn, anti-pulling teeth are hinged to the bottom end of the anti-pulling groove, and a first spring is connected between the anti-pulling teeth and the bottom surface of the anti-pulling groove; the top in resistance to plucking groove be provided with the joint subassembly that resistance to plucking groove corresponds the setting, the joint subassembly with the outer terminal surface butt of resistance to plucking tooth.

Preferably, the clamping assembly comprises a clamping groove formed in the outer wall of the ground thorn, and the clamping groove and the anti-pulling groove are correspondingly arranged; a transverse sheet is connected in the clamping groove in a sliding mode, and a second spring is fixedly connected between the top end of the transverse sheet and the top end of the clamping groove; the bottom end of the transverse piece is fixedly connected with a blocking piece, the blocking piece is in sliding contact with the outer wall of the ground thorn, and one end, facing the ground thorn, of the blocking piece is abutted to the top end of the anti-pulling tooth.

Preferably, the toes are in the shape of a right trapezoid, the long side of the right trapezoid is fixedly connected with the bottom surface of the body, and the right-angle side of the right angle is flush with the side edge of the body; the length of the toe is the same as the length of the body.

Preferably, connecting portion include the adjusting part and the coupling assembling of mutual rigid coupling, the adjusting part is kept away from coupling assembling's one end with the terminal rigid coupling of connecting cable, it is adjacent coupling assembling on the body can dismantle the connection.

Preferably, the adjusting part include with the first screw rod of connecting cable rigid coupling, first screw rod threaded connection has the one end of adjusting the seat, the other end threaded connection of adjusting the seat has the one end of second screw rod, the second screw rod is kept away from adjust the seat one end with the coupling assembling rigid coupling.

Preferably, the connecting assembly comprises a connecting ring fixedly connected with the second screw rod, and the connecting rings of the connecting assemblies on the adjacent bodies are detachably connected; the connecting ring comprises a fixed semi-ring and a movable semi-ring which are hinged, and the fixed semi-ring and the movable semi-ring form a complete circular ring; the fixed half ring is fixedly connected with the second screw rod, one end of the movable half ring is hinged with the end part of the fixed half ring, and the other end of the movable half ring is in limit contact with the fixed half ring.

Preferably, the body and the toe are integrally cast and formed, the connecting cable is embedded in the body and integrally formed with the body, and the root of the ground thorn is embedded in the toe and integrally formed with the toe.

The utility model discloses the following technical effects: the utility model discloses an underwater anti-scouring interlocking block body for a pier, wherein a convex toe is fixedly connected to the lower end of a cuboid body, and when the underwater anti-scouring interlocking block body is used, the toe is inserted into sediment on the sea bottom, so that the anti-scouring capability of the body under the action of water flow is improved; a plurality of ground thorns are fixedly connected below the toes, so that the toes are more easily inserted into the sediment on the seabed, and the uplift resistance of the ground thorns is improved by the uplift components on the thorns simultaneously, so that the bonding property of the body and the seabed is improved; the connecting parts of the adjacent bodies are detachably connected with each other through the connecting cables, a plurality of bodies form a chain structure, the stress is dispersed, the whole impact resistance is improved, the purpose of reducing the size of the bodies can be finally achieved, materials are saved, and the cost is reduced. The utility model has simple structure, convenient manufacture and simple and easy use, can effectively improve the impact resistance of the device under the action of the water flow on the seabed, reduces the scouring force of the water flow on the bridge pier, improves the stability of the bridge pier and prolongs the service life of the bridge.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a three-dimensional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural diagram of a connecting portion according to the present invention;

FIG. 4 is a schematic structural view of the present invention;

FIG. 5 is an enlarged view of a portion of A in FIG. 4;

wherein, 1, a body; 2. a toe; 3. a connecting cable; 4. puncturing with the ground; 5. a connecting portion; 41. an anti-plucking component; 411. an anti-pulling groove; 412. anti-tooth pulling; 413. a first spring; 42. a clamping assembly; 421. a clamping groove; 422. a transverse sheet; 423. a second spring; 424. a baffle plate; 51. an adjustment assembly; 511. a first screw; 512. an adjusting seat; 513. a second screw; 52. a connecting assembly; 521. a stationary half ring; 522. a movable half ring; 523. a torsion spring; 524. and (4) locking buckles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-5, the utility model provides a toe interlocking block for underwater scour prevention of a pier, which comprises a body 1, wherein a toe 2 is fixedly connected to any end of the lower end face of the body 1, a plurality of ground thorns 4 are fixedly connected to the lower end face array of the toe 2, and anti-pulling components 41 are arranged on the outer wall of each ground thorn 4 at equal intervals in the circumferential direction;

a connecting cable 3 is fixed in the body 1, four ends of the connecting cable 3 respectively extend out from four sides of the body 1, and the tail end of the connecting cable 3 is fixedly connected with a connecting part 5; the connecting parts 5 on the adjacent bodies 1 are detachably connected.

According to the device, the convex toe 2 is fixedly connected to the lower end of the cuboid body 1, and when the device is used, the toe 2 is inserted into sediment on the seabed, so that the impact resistance of the body 1 under the action of water flow is improved; a plurality of ground thorns 4 are fixedly connected below the toes 2, so that the toes 2 are easier to insert into seabed sediment, and simultaneously the uplift resistance of the ground thorns 4 is increased by the uplift components 41 on the thorns 4, and the bonding property of the body 1 and the seabed is further improved; the adjacent bodies 1 are detachably connected with each other through the connecting parts 5 of the connecting cables 3, the bodies 1 form a chain structure, stress is dispersed, the overall impact resistance is improved, and finally the purpose of reducing the size of the bodies 1 can be achieved, so that materials are saved, and the cost is reduced.

In a further optimized scheme, the anti-pulling component 41 comprises an anti-pulling groove 411 arranged on the outer wall of the ground thorn 4, an anti-pulling tooth 412 is hinged to the bottom end of the anti-pulling groove 411, and a first spring 413 is connected between the anti-pulling tooth 412 and the bottom surface of the anti-pulling groove 411; the top end of the anti-pulling groove 411 is provided with a clamping assembly 42 which is arranged corresponding to the anti-pulling groove 411, and the clamping assembly 42 is abutted to the outer end face of the anti-pulling tooth 412. In an initial state, the clamping assembly 42 presses the anti-pulling teeth 412 in the anti-pulling grooves 411, the first spring 413 is in a compressed state, and when the ground spurs 4 are inserted into the sediment on the sea floor, the sediment on the sea floor pushes the clamping assembly 42 to slide upwards, so that the clamping assembly 42 is separated from the anti-pulling teeth 412 and the anti-pulling teeth 412 are not clamped any more; the first spring 413 rebounds to push the anti-pulling tooth 412 to rotate outwards the anti-pulling slot 411 by taking the hinge shaft at the lower end of the anti-pulling tooth 412 as the center, the top end of the anti-pulling tooth 412 pops out of the anti-pulling slot 411, and when the ground thorn 4 is pulled outwards, the anti-pulling tooth 412 opens towards the periphery, so that the anti-pulling capacity of the ground thorn 4 is increased.

In a further optimized scheme, the clamping assembly 42 comprises a clamping groove 421 formed in the outer wall of the ground spine 4, and the clamping groove 421 is arranged corresponding to the anti-pulling groove 411; a transverse piece 422 is slidably connected in the clamping groove 421, and a second spring 423 is fixedly connected between the top end of the transverse piece 422 and the top end of the clamping groove 421; a blocking piece 424 is fixedly connected to the bottom end of the transverse piece 422, the blocking piece 424 is in sliding contact with the outer wall of the ground thorn 4, and one end, facing the ground thorn 4, of the blocking piece 424 is abutted to the top end of the anti-pulling tooth 412. When the ground thorn 4 is inserted into the sediment, the bottom end of the cross piece 422 contacts the sediment and is pushed by the sediment to slide upwards along the clamping groove 421, the blocking piece 424 is driven to slide upwards, and finally the blocking piece 424 is separated from the anti-pulling tooth 412, so that the anti-pulling tooth is automatically ejected out, and the anti-pulling force of the ground thorn 4 is increased.

According to the further optimized scheme, the toe 2 is in a right trapezoid shape, the long side of the right trapezoid is fixedly connected with the bottom surface of the body 1, and the right-angle side of the right trapezoid is flush with the side edge of the body 1; the length of the toe 2 is the same as the length of the body 1. The section of the toe 2 is a trapezoid with a wide upper part and a narrow lower part, and after being laid on the seabed, the trapezoidal toe 2 can be pricked into the sediment of the seabed by means of the self gravity, so that the impact resistance under the action of water flow is improved.

In a further optimized scheme, the connecting part 5 comprises an adjusting component 51 and a connecting component 52 which are fixedly connected with each other, one end of the adjusting component 51, which is far away from the connecting component 52, is fixedly connected with the tail end of the connecting cable 3, and the connecting components 52 on the adjacent bodies 1 are detachably connected.

In a further optimized scheme, the adjusting assembly 51 comprises a first screw 511 fixedly connected with the connecting cable 3, the first screw 511 is in threaded connection with one end of an adjusting seat 512, the other end of the adjusting seat 512 is in threaded connection with one end of a second screw 513, and one end of the second screw 513, which is far away from the adjusting seat 512, is fixedly connected with the connecting assembly 52.

Further, the rotation directions of the first screw 511 and the second screw 513 are opposite, and when the adjusting base 512 rotates, the first screw 511 and the second screw 513 move relatively or back to back, and perform symmetrical movement, so that the adjustment is facilitated.

In a further optimized scheme, the connecting assembly 52 comprises a connecting ring fixedly connected with the second screw 513, and the connecting rings of the connecting assemblies 52 on the adjacent bodies 1 are detachably connected; the connecting ring comprises a fixed half ring 521 and a movable half ring 522 which are hinged, and the fixed half ring 521 and the movable half ring 522 form a complete circular ring shape; the fixed half ring 521 is fixedly connected with the second screw 513, one end of the movable half ring 522 is hinged with the end part of the fixed half ring 521, and the other end of the movable half ring 522 is in limit contact with the fixed half ring 521. When the device is used, one end of the movable half ring 522, which is released from the limit of the fixed half ring 521, is pressed inwards, so that the movable half ring 522 rotates inwards to form a gap, adjacent connecting rings are connected in a buckling mode conveniently, adjacent bodies 1 are connected to form a whole, and the fixing performance of the device is improved.

Furthermore, a torsion spring 523 is arranged at the hinged position of the fixed half ring 521 and the movable half ring 522, so that the movable half ring 522 is convenient to reset; the locking buckle 524 is arranged at one end of the fixed half ring 521, which is in limit contact with the movable half ring 522, so that the movable half ring 522 is prevented from being mistakenly touched to be opened, and the connection is prevented from being separated.

Further optimize the scheme,

body

1 and 2 integrative casting shaping of toe, connecting cable 3 and body 1 are pre-buried in body 1 and with body 1 integrated into one piece, and the root of ground thorn 4 is pre-buried in 2 and with 2 integrated into one piece of toe. The device is integrally cast and formed, and the integrity is strong.

The using method comprises the following steps:

according to the submarine environment and the hydrological characteristics of the pier in the place, the specific size of the proper toe 2 is selected, wherein the specific size comprises the length, the width, the height and the gradient of the inclined edge of the toe 2, and then the toe 2 is integrally cast and molded through a mold.

The device is sunk to the seabed by selecting a proper position, the ground thorns 4 are downwards inserted into the seabed in the sinking process, and the seabed sediment pushes the clamping component 42 to slide upwards, so that the clamping component 42 is separated from the anti-pulling teeth 412 and the anti-pulling teeth 412 are not clamped any more; the first spring 413 rebounds to push the anti-pulling tooth 412 to rotate towards the outside of the anti-pulling slot 411 by taking the hinge shaft at the lower end of the anti-pulling tooth 412 as a center, and the top end of the anti-pulling tooth 412 pops out of the anti-pulling slot 411; the downward pressure continues until the toe 2 also penetrates the sediment in the sea floor. The rest of the apparatus is then again submerged into the sea floor at a position close to the first submerged body 1 and then connected by the connection 5.

Then, the rest devices are sequentially sunk into the seabed and are sequentially connected to form a whole, so that the impact resistance under the action of water flow is improved.

The utility model has simple structure, convenient manufacture and simple and easy use, can effectively improve the impact resistance of the device under the action of the water flow on the seabed, reduces the scouring force of the water flow on the bridge pier, improves the stability of the bridge pier and prolongs the service life of the bridge.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides a take toe interlocking block that is used for pier underwater scour prevention which characterized in that: the device comprises a body (1), wherein any end of the lower end face of the body (1) is fixedly connected with a toe (2), the lower end face of the toe (2) is fixedly connected with a plurality of ground thorns (4) in an array manner, and the outer wall of each ground thorn (4) is provided with anti-pulling components (41) at equal intervals in the circumferential direction;

a connecting cable (3) is fixed in the body (1), four ends of the connecting cable (3) respectively extend out of four sides of the body (1), and the tail end of the connecting cable (3) is fixedly connected with a connecting part (5); the connecting parts (5) on the adjacent bodies (1) are detachably connected.

2. The toe interlocking block for underwater bridge pier scour prevention according to claim 1, wherein: the anti-pulling assembly (41) comprises an anti-pulling groove (411) formed in the outer wall of the ground thorn (4), anti-pulling teeth (412) are hinged to the bottom end of the anti-pulling groove (411), and a first spring (413) is connected between the anti-pulling teeth (412) and the bottom surface of the anti-pulling groove (411); the top of resistance to plucking groove (411) be provided with resistance to plucking groove (411) correspond joint subassembly (42) that sets up, joint subassembly (42) with the outer terminal surface butt of resistance to plucking tooth (412).

3. The toe interlocking block for underwater bridge pier scour prevention according to claim 2, wherein: the clamping assembly (42) comprises a clamping groove (421) formed in the outer wall of the ground thorn (4), and the clamping groove (421) is arranged corresponding to the anti-pulling groove (411); a transverse piece (422) is connected in the clamping groove (421) in a sliding manner, and a second spring (423) is fixedly connected between the top end of the transverse piece (422) and the top end of the clamping groove (421); the bottom end of the transverse piece (422) is fixedly connected with a blocking piece (424), the blocking piece (424) is in sliding contact with the outer wall of the ground thorn (4), and one end, facing the ground thorn (4), of the blocking piece (424) is abutted to the top end of the anti-pulling tooth (412).

4. The toe interlocking block for underwater bridge pier scour prevention according to claim 1, wherein: the toe (2) is in a right trapezoid shape, the long side of the right trapezoid is fixedly connected with the bottom surface of the body (1), and the right-angle side of the right angle is flush with the side edge of the body (1); the length of the toe (2) is the same as the length of the body (1).

5. The toe interlocking block for underwater bridge pier scour prevention according to claim 1, wherein: connecting portion (5) are including adjusting part (51) and coupling assembling (52) of mutual rigid coupling, adjusting part (51) are kept away from the one end of coupling assembling (52) with the terminal rigid coupling of connecting cable (3), adjacent coupling assembling (52) on body (1) can dismantle the connection.

6. The toe interlock block for underwater bridge pier scour prevention according to claim 5, wherein: adjusting part (51) including with first screw rod (511) of connecting cable (3) rigid coupling, first screw rod (511) threaded connection has the one end of adjusting seat (512), the other end threaded connection of adjusting seat (512) has the one end of second screw rod (513), second screw rod (513) keep away from adjust the one end of seat (512) with coupling assembling (52) rigid coupling.

7. The toe interlock block for underwater bridge pier scour prevention according to claim 6, wherein: the connecting assembly (52) comprises a connecting ring fixedly connected with the second screw (513), and the connecting rings of the connecting assemblies (52) on the adjacent bodies (1) are detachably connected; the connecting ring comprises a fixed half ring (521) and a movable half ring (522) which are hinged, and the fixed half ring (521) and the movable half ring (522) form a complete circular ring shape; the fixed half ring (521) is fixedly connected with the second screw (513), one end of the movable half ring (522) is hinged to the end of the fixed half ring (521), and the other end of the movable half ring (522) is in limit contact with the fixed half ring (521).

8. The toe interlocking block for underwater bridge pier scour prevention according to claim 1, wherein: the body (1) and the toe (2) are integrally cast and formed, the connecting cable (3) is embedded in the body (1) and integrally formed with the body (1), and the root of the ground thorn (4) is embedded in the toe (2) and integrally formed with the toe (2).