Anti-scouring structure of spur dike head

Abstract

The utility model discloses a spur dike head anti-scouring structure, which belongs to the technical field of water conservancy protection and comprises a dike body, a water tank is arranged on the upper end face of the dike body, a dike head is arranged on the front end face of the dike body, a top flow guide structure is arranged on the upper end face of the dike head, and a containing groove is formed in the front end face of the dike head. According to the spur dike, the multiple sets of top flow guide structures are arranged on the upper end face of the spur dike head, in this way, when water flow scours the spur dike head, the top flow guide structures can dredge and disperse impact force of the water flow, and therefore impact on the spur dike head is reduced; the gravel blocks are blocked through the steel bar structures, so that when water flow impacts the front end face of the dam head, the gravel blocks can move or rotate in the containing groove in a small range, impact of the water flow can be well dispersed, and the dam head is protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water conservancy protection technical field, concretely relates to a kind of mule dam head erosion-preventing structure. BACKGROUND

[0002] The mule dam head is the important component in mule dam structure, and the main function is to protect river bank from being directly eroded by flow and being damaged by scouring, and also plays a role in improving channel, maintaining river and protecting water ecological diversity.

[0003] Since the existing mule dam is mostly realized by the construction operation of mule dam through the way of pouring concrete after reinforcing pre-set support, but under the action of water flow impact, the head and body of mule dam are easily damaged by water flow, especially the concrete at the head of mule dam is easily washed away, therefore, the existing mule dam head structure needs to be improved. UTILITY MODEL CONTENT

[0004] To solve the problems raised in the above background art, the utility model provides a kind of mule dam head erosion-preventing structure, which has the characteristics of better erosion-preventing effect on the mule dam head and longer overall service life of the mule dam head.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of mule dam head erosion-preventing structure, including dam body, the upper end surface of the dam body is provided with water tank, the front end surface of dam body is provided with dam head, the upper end surface of dam head is provided with top flow guide structure, the front end surface of dam head is provided with accommodating groove, the front end surface of accommodating groove is provided with reinforcing structure, the side end surface of dam body is provided with side flow guide structure, and the inside of accommodating groove is loaded with gravel.

[0006] Preferably, the top flow guide structure includes square flow guide groove and sharp taper flow guide groove, the upper end surface of dam head is provided with square flow guide groove, and the upper end surface of dam head is provided with sharp taper flow guide groove at the upper part of square flow guide groove.

[0007] Preferably, the reinforcing structure includes horizontal reinforcing mesh and vertical reinforcing mesh, the front end surface of accommodating groove is provided with vertical reinforcing mesh, the side of vertical reinforcing mesh is provided with horizontal reinforcing mesh in mesh structure, and horizontal reinforcing mesh and vertical reinforcing mesh are both arranged on the front end surface of dam head by the way of pre-embedding concrete.

[0008] Preferably, the side flow guide structure includes arc-shaped groove, arc-shaped protrusion, chamfer structure and side flow guide protrusion, the side end surface of dam body is provided with side flow guide protrusion, the upper end edge of side flow guide protrusion is provided with chamfer structure, the outermost side of side flow guide protrusion is provided with arc-shaped protrusion, and the side of side flow guide protrusion close to the front side of arc-shaped protrusion is provided with arc-shaped groove.

[0009] Compared with the prior art, the utility model has the advantages that:

[0010] The utility model discloses a plurality of top flow guide structures are set up on the upper end face of the head of the dyke, so that when the water flow washes the head, the top flow guide structure can disperse the impact force of the water flow, thereby reducing the impact on the head, the accommodating groove is set up on the front end face of the head, and the rubble is filled in the accommodating groove, and the rubble is blocked by the reinforcing structure, so that when the water flow impacts the front end face of the head, the rubble can move or rotate in the accommodating groove, so that the impact of the water flow can be dispersed, thereby protecting the head, in addition, the side flow guide structure is arranged on the side of the dyke body, and the structure can make the water flow disperse to both sides when impacting the dyke body, thereby protecting the side of the dyke body. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0012] Figure 2 It is the plan view of the utility model;

[0013] Figure 3 It is the side view of the utility model;

[0014] Figure 4 It is the utility model Figure 3 The enlarged view of A in the utility model;

[0015] In the drawing: 1, dyke body;2, water tank;3, head;4, top flow guide structure;41, square flow guide groove;42, pointed cone flow guide groove;5, reinforcing structure;51, horizontal steel mesh;52, longitudinal steel mesh;6, accommodating groove;7, side flow guide structure;71, arc-shaped recess;72, arc-shaped convex;73, chamfer structure;74, side flow guide convex;8, rubble. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the range of the utility model protection.

[0017] Please refer to Figures 1-4The utility model provides the following technical scheme: a kind of spur dike head scouring-preventing structure, including dam body 1, water tank 2 is set in the upper end surface of dam body 1, dam head 3 is set in the front end surface of dam body 1, top flow guide structure 4 is set in the upper end surface of dam head 3, receiving groove 6 is set in the front end surface of dam head 3, reinforcing structure 5 is set in the front end surface of receiving groove 6, side end surface of dam body 1 is provided with side flow guide structure 7, and gravel block 8 is loaded in the inside of receiving groove 6.

[0018] Specifically, top flow guide structure 4 includes square flow guide groove 41 and sharp taper flow guide groove 42, square flow guide groove 41 is set in the upper end surface of dam head 3, sharp taper flow guide groove 42 is set in the upper part of square flow guide groove 41,

[0019] By adopting the above technical scheme, by the top flow guide structure 4 composed of square flow guide groove 41 and sharp taper flow guide groove 42, when the water flow scouring dam head 3, the top flow guide structure 4 can disperse the impact force of water flow, thereby reducing the impact on dam head 3.

[0020] Specifically, reinforcing structure 5 includes horizontal steel mesh 51 and longitudinal steel mesh 52, longitudinal steel mesh 52 is set in the front end surface of receiving groove 6, horizontal steel mesh 51 is set in the side of longitudinal steel mesh 52 in the form of net structure, horizontal steel mesh 51 and longitudinal steel mesh 52 are set in the front end surface of dam head 3 by the way of concrete embedding,

[0021] By adopting the above technical scheme, by the reinforcing structure 5 composed of horizontal steel mesh 51 and longitudinal steel mesh 52, and by setting receiving groove 6 in the front end surface of dam head 3, and filling gravel block 8 in the inside of receiving groove 6, gravel block 8 is blocked by reinforcing structure 5, so when the water flow impacts the front end surface of dam head 3, gravel block 8 has small range of movement space and rotation space in the inside of receiving groove 6, so it can be well dispersed because of water flow impact, thereby protecting dam head 3.

[0022] Specifically, side flow guide structure 7 includes arc-shaped groove 71, arc-shaped protrusion 72, chamfer structure 73 and side flow guide protrusion 74, side flow guide protrusion 74 is set in the side end surface of dam body 1, chamfer structure 73 is set at the upper end edge of side flow guide protrusion 74, arc-shaped protrusion 72 is set at the outermost side of side flow guide protrusion 74, arc-shaped groove 71 is set at the front side of side flow guide protrusion 74 close to arc-shaped protrusion 72,

[0023] Through adopting the above technical scheme, through the side flow guide structure 7 composed of the arc-shaped groove 71, the arc-shaped protrusion 72, the chamfer structure 73 and the side flow guide protrusion 74, the structure can make the water flow disperse to both sides when impacting the dam body 1, thereby protecting the side of the dam body 1, and through the chamfer structure 73 arranged at the upper end edge of the side flow guide protrusion 74, the existence of the corner structure can be avoided to make the concrete at the corner of the dam body 1 be washed away.

[0024] The working principle and use process of the utility model are as follows: when the utility model is used, through the top flow guide structure 4 composed of the square flow guide groove 41 and the pointed cone flow guide groove 42, when the water flow washes the dam head 3, the top flow guide structure 4 can disperse the impact force of the water flow, thereby reducing the impact on the dam head 3, through the steel bar structure 5 composed of the horizontal steel bar net 51 and the longitudinal steel bar net 52, and through the accommodating groove 6 arranged at the front end face of the dam head 3, and the rubble block 8 filled in the accommodating groove 6, the rubble block 8 is blocked by the steel bar structure 5, when the water flow impacts the front end face of the dam head 3, the rubble block 8 has a small range of moving space and rotating space in the accommodating groove 6, so that the water flow impact can be well dispersed, thereby protecting the dam head 3, through the side flow guide structure 7 composed of the arc-shaped groove 71, the arc-shaped protrusion 72, the chamfer structure 73 and the side flow guide protrusion 74, the structure can make the water flow disperse to both sides when impacting the dam body 1, thereby protecting the side of the dam body 1, and through the chamfer structure 73 arranged at the upper end edge of the side flow guide protrusion 74, the existence of the corner structure can be avoided to make the concrete at the corner of the dam body 1 be washed away.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A structure for protecting the head of a groyne from erosion, comprising a groyne body (1), characterised in that: The upper end face of the dam body (1) is provided with a water groove (2), the front end face of the dam body (1) is provided with a dam head (3), the upper end face of the dam head (3) is provided with a top flow guide structure (4), the front end face of the dam head (3) is provided with a containing groove (6), the front end face of the containing groove (6) is provided with a steel bar structure (5), the side end face of the dam body (1) is provided with a side flow guide structure (7), and the containing groove (6) is loaded with gravel blocks (8).

2. A structure for preventing scour at the head of a groyne according to claim 1, wherein: The top flow guide structure (4) comprises a square flow guide groove (41) and a sharp taper flow guide groove (42), the upper end face of the dam head (3) is provided with the square flow guide groove (41), and the upper end face of the dam head (3) is provided with the sharp taper flow guide groove (42) at the upper part of the square flow guide groove (41).

3. The jetting prevention structure for the head of a groyne according to claim 1, characterized in that: The steel bar structure (5) comprises a horizontal steel bar net (51) and a vertical steel bar net (52), the front end face of the containing groove (6) is provided with the vertical steel bar net (52), the side edges of the vertical steel bar net (52) are provided with the horizontal steel bar net (51) in a net structure, and the horizontal steel bar net (51) and the vertical steel bar net (52) are both arranged on the front end face of the dam head (3) by means of concrete pre-burial.

4. The jetting prevention structure for the head of a groyne according to claim 1, characterized by: The side flow guide structure (7) comprises an arc-shaped groove (71), an arc-shaped protrusion (72), a chamfer structure (73) and a side flow guide protrusion (74), the side end face of the dam body (1) is provided with the side flow guide protrusion (74), the upper end edge of the side flow guide protrusion (74) is provided with the chamfer structure (73), the outermost side of the side flow guide protrusion (74) is provided with the arc-shaped protrusion (72), and the side edge of the side flow guide protrusion (74) is provided with the arc-shaped groove (71) on the front side close to the arc-shaped protrusion (72).

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