Dam protective net for water conservancy protection

By installing anchors and limiting plates in the reserved holes of the dam inclined surface, and using anti-corrosion coatings and polyethylene anti-corrosion layers, the problem of insufficient corrosion and elasticity of the dam protection net during long-term use is solved, and the ability of stable fixation of the protective net and adaptation to water level changes is achieved, and corrosion resistance and wear resistance are improved.

CN223033933UActive Publication Date: 2025-06-27HUBEI CENTURY XINCHENG WATER CONSERVANCY & HYDROPOWER ENG CO LTD
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Patent Information

Application Number
CN202421846815.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-06-27
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The existing dam protection nets are prone to corrosion during long-term use, and due to floating water levels, the protection nets need to be flexible and adjustable, but the prior art is difficult to meet these needs.

Method used

A dam protection net for water conservancy protection was designed. By installing anchors and limiting plates in the reserved holes on the dam, the protective net is fixed to the dam, and corrosion is prevented by using anti-corrosion coating and polyethylene anti-corrosion layer, while dispersing the water flow pressure through the wavy groove.

Benefits of technology

The protective net is stable and fixed and adaptable to water level changes. At the same time, the corrosion and wear resistance of the protective net are improved, ensuring the safety and stability of the dam.

✦ Generated by Eureka AI based on patent content.

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Abstract

The dam protective net for water conservancy protection comprises a dam body, a protective net body and preformed holes, the preformed holes are formed in the inclined face of the dam body, a plurality of sets of preformed holes are evenly arranged, the preformed holes are connected with the protective net body through ground anchors and limiting plates, and the protective net body is connected with the protective net body through the ground anchors and the limiting plates. The protective net body comprises a fixing frame and a connecting rope body. According to the dam protective net for water conservancy protection, the protective net body is connected with preformed holes in the slope of the dam body in a limiting mode through the ground anchors and the limiting plates, the protective net body is fixed, the multiple sets of preformed holes are formed in the slope of the dam body, and therefore the protective net body can be limited through the ground anchors and the preformed holes; the position of the protective net body can be adjusted according to the ground anchors and the preformed holes to adapt to the water level of the dam, the protective net body is prevented from being corroded through the anti-corrosion coating and the polyethylene anti-corrosion layer, the abrasion resistance of the protective net body is improved, and the water flow pressure is better dispersed through the wavy grooves.
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Description

Technical Field

[0001] The utility model relates to the field of protective nets, and more specifically, to a dam protective net for water conservancy protection. Background Art

[0002] A dam protective net is a mesh structure used to fix a dam and provide flood protection. Its main function is to prevent natural disasters such as water and waves from damaging the dam, ensuring the stability and safety of the dam. The dam protective net is usually made of metal or synthetic materials, which can resist natural damage, corrosion, and can withstand a certain degree of deformation without collapsing;

[0003] For example, the patent application No. CN202220875507.1 discloses a water conservancy river ecological governance protective net, which can prevent the stacked ecological protective nets from being loosened and falling into the river due to the impact force of the river water for a long time, and can prevent the dam from squeezing the stacked protective net walls to both sides due to large pressure, so as to better protect the ecological vegetation planted on the dam from being washed away by the river water; when the protective net is in use, it is necessary to fix the protective net to avoid the protective net falling off during the use process. And due to the prior art, it is necessary to avoid the protective net being corroded during long-term use. And the protective net is generally installed at the parallel position of the water surface. And due to the frequent fluctuation of the water level, the protective net needs to have elasticity and adjustability to adapt to the water level of the dam;

[0004] Therefore, a dam protective net for water conservancy protection is proposed to solve the above problems. Content of the Utility Model

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a dam protective net for water conservancy protection to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A dam protective net for water conservancy protection, including a dam body, a protective net body and reserved holes. The reserved holes are installed on the inclined surface of the dam body, and there are several groups of reserved holes, which are arranged evenly between the reserved holes. The reserved holes are connected with the protective net body through anchor bolts and limiting plates;

[0007] The protective net body includes a fixing frame and a connecting rope body. There are several groups of the connecting rope body, and several groups of the connecting rope body are arranged in a transverse and longitudinal staggered manner. Fixing frames are arranged at the joints between the connecting rope bodies. The fixing frame includes an upper limiting frame and a lower limiting frame. Semi-circular grooves are provided on the lower end face of the upper limiting frame and the upper end face of the lower limiting frame, and the semi-circular grooves cross to form a cross shape. The upper limiting frame and the lower limiting frame are connected in a position-limiting manner through bolt holes. The connecting rope body includes a steel wire and an anti-corrosion coating. The steel wire is installed inside the anti-corrosion coating, and Kevlar filler is filled between the steel wire and the anti-corrosion coating. A polyethylene anti-corrosion layer is provided on the outer diameter surface of the anti-corrosion coating.

[0008] Preferably, the anti-corrosion coating includes a topcoat, an intermediate coat, and a primer. Specifically, the topcoat is a vinyl resin material; specifically, the intermediate coat is an epoxy mica iron material; specifically, the primer is an organic epoxy zinc-rich material.

[0009] Preferably, the polyethylene anti-corrosion layer is composed of epoxy powder coating, adhesive, and polyethylene. The polyethylene is coated on the outer diameter surface of the anti-corrosion coating, and the epoxy powder coating is adhered to the outer diameter surface of the anti-corrosion coating through the adhesive.

[0010] Preferably, there are several groups of the reserved holes. Several groups of the reserved holes include longitudinal holes and transverse holes. The longitudinal holes and the transverse holes form an L shape. The limiting plate is connected in a position-limiting manner with the reserved holes through anchor bolts.

[0011] Preferably, there are several groups of the limiting plates, and the limiting plates are trapezoidal. The inclined surface of the limiting plate is attached to the inclined surface of the dam body. The reserved holes installed on the inclined surface of the dam body are all connected in a position-limiting manner with the anchor bolts.

[0012] Preferably, a wavy groove is provided on the side of the protective net body away from the dam body. The groove of the wavy groove is parallel to the horizontal plane. A reflective strip is provided at the edge of the protective net body.

[0013] The technical effects and advantages of the present utility model:

[0014] Compared with the prior art, in the dam protective net for water conservancy protection, the anchor bolts and the limiting plates in this device limit the connection between the protective net body and the reserved holes on the inclined surface of the dam body, thereby fixing the protective net body. Moreover, several groups of reserved holes are provided on the inclined surface of the dam body to limit the protective net body through the anchor bolts and the reserved holes. The protective net body can also adjust its position according to the anchor bolts and the reserved holes to adapt to the water level of the dam. In addition, the anti-corrosion coating and the polyethylene anti-corrosion layer are used to prevent the protective net body from being corroded and increase the wear resistance of the protective net body. At the same time, the wavy groove can better disperse the water flow pressure.

[0015] Compared with the prior art, when the dam protection net for water conservancy protection is in use, the protection net body is composed of multiple groups of fixing frames and connecting rope bodies, and there are several groups of connecting rope bodies. The several groups of connecting rope bodies are arranged horizontally and vertically in a staggered manner. Fixing frames are provided at the joints between the connecting rope bodies. The several groups of connecting rope bodies are limited and connected by an upper limiting frame and a lower limiting frame. Then, the protection net body is fixed at the reserved holes on the inclined surface of the dam body through anchor nails and limiting plates to limit this device.

[0016] Compared with the prior art, when the dam protection net for water conservancy protection is in use, the protection net body is composed of steel wires, an anti-corrosion coating, Kevlar fillers, and a polyethylene anti-corrosion layer. Among them, the topcoat, intermediate coat, and primer in the anti-corrosion coating play an anti-corrosion role. The Kevlar fillers further play a role in strengthening the connecting rope body. And the epoxy powder coating, adhesive, and polyethylene in the polyethylene anti-corrosion layer make this device wear-resistant. At the same time, since people may come into contact with the surface of the protection net, anti-slip treatment is carried out through the polyethylene anti-corrosion layer to prevent accidents. And the surface of the protection net body is provided with wavy grooves and reflective strips. The wavy grooves can better disperse the water flow pressure, and reflective strips are installed to play a warning role and remind people to pay attention to safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0018] Figure 2 It is a top-view structural schematic diagram of the protection net body of the present utility model.

[0019] Figure 3 It is a side-view structural schematic diagram of the dam body of the present utility model.

[0020] Figure 4 It is a side-view structural schematic diagram of the anchor nail of the present utility model.

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the connecting rope body of the present utility model.

[0022] Figure 6 It is a front-view structural schematic diagram of the fixing frame of the present utility model.

[0023] Figure 7 It is a side-view structural schematic diagram of the fixing frame of the present utility model.

[0024] Figure 8 It is a side-view structural schematic diagram of the wavy groove of the present utility model.

[0025] The reference numerals are: 1, the dam body; 2, the protection net body; 201, the fixing frame; 202, the connecting rope body; 203, the upper limit frame; 204, the lower limit frame; 205, the steel wire; 206, the anti-corrosion coating; 207, the Kevlar filler; 208, the polyethylene anti-corrosion layer; 3, the reserved hole; 4, the anchor bolt; 5, the limit plate; 6, the wavy groove. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0027] Embodiment 1

[0028] As shown in the attached Figures 1 to 3 The dam protection net for water conservancy protection shown in the figure includes a dam body 1, a protection net body 2 and a reserved hole 3. The reserved hole 3 is installed on the inclined surface of the dam body 1, and there are several groups of reserved holes 3, which are arranged evenly between the reserved holes 3. The reserved hole 3 is connected to the protection net body 2 through an anchor bolt 4 and a limit plate 5;

[0029] The protection net body 2 includes a fixing frame 201 and a connecting rope body 202. There are several groups of connecting rope bodies 202, and several groups of connecting rope bodies 202 are arranged horizontally and vertically in a staggered manner. Fixing frames 201 are provided at the joints between the connecting rope bodies 202. The fixing frame 201 includes an upper limit frame 203 and a lower limit frame 204, and semi-circular grooves are provided on the lower end surface of the upper limit frame 203 and the upper end surface of the lower limit frame 204, and the semi-circular grooves cross in a cross shape. The upper limit frame 203 and the lower limit frame 204 are connected by bolt holes for limiting. The connecting rope body 202 includes a steel wire 205 and an anti-corrosion coating 206. The steel wire 205 is installed inside the anti-corrosion coating 206, and a Kevlar filler 207 is filled between the steel wire 205 and the anti-corrosion coating 206. A polyethylene anti-corrosion layer 208 is provided on the outer diameter surface of the anti-corrosion coating 206.

[0030] Among them: The anchor bolts 4 and the limit plates 5 limit and connect the protective net body 2 with the reserved holes 3 on the inclined surface of the dam body 1, so as to fix the protective net body 2. And because there are several groups of reserved holes 3 on the inclined surface of the dam body 1, the protective net body 2 can be limited through the anchor bolts 4 and the reserved holes 3. The protective net body 2 can also adjust its position according to the anchor bolts 4 and the reserved holes 3, so as to adapt to the water level of the dam. And the protective net body 2 is prevented from being corroded by the anti-corrosion coating 206 and the polyethylene anti-corrosion layer 208, and the wear resistance of the protective net body 2 is increased. At the same time, the wavy grooves 6 can better disperse the water flow pressure. Since the protective net body 2 is composed of multiple groups of fixing frames 201 and connecting rope bodies 202, and there are several groups of connecting rope bodies 202, and several groups of connecting rope bodies 202 are arranged in a horizontal and vertical staggered manner, and fixing frames 201 are provided at the joints between the connecting rope bodies 202. The upper limit frame 203 and the lower limit frame 204 are used to limit and connect several groups of connecting rope bodies 202, and then the protective net body 2 is fixed at the reserved holes 3 on the inclined surface of the dam body 1 by using the anchor bolts 4 and the limit plates 5, so as to limit this device.

[0031] Embodiment 2

[0032] On the basis of Embodiment 1, the solution in Embodiment 1 is further refined and introduced in combination with the following specific working methods, as Figures 1 to 8 shown, and the details are described below:

[0033] As a preferred embodiment, the anti-corrosion coating 206 includes topcoat, intermediate coat and primer. The topcoat is specifically a vinyl resin material; the intermediate coat is specifically an epoxy mica iron material; the primer is specifically an organic epoxy zinc-rich material. The topcoat, intermediate coat and primer in the anti-corrosion coating 206 are used to play an anti-corrosion role, and the Kevlar filler 207 is further used to reinforce the connecting rope body 202.

[0034] As a preferred embodiment, the polyethylene anti-corrosion layer 208 is composed of epoxy powder coating, adhesive and polyethylene. The polyethylene is applied on the outer diameter surface of the anti-corrosion coating 206, and the epoxy powder coating is bonded to the outer diameter surface of the anti-corrosion coating 206 through the adhesive. And the epoxy powder coating, adhesive and polyethylene in the polyethylene anti-corrosion layer 208 make this device have a wear-resistant function. At the same time, people may come into contact with the surface of the protective net, and the polyethylene anti-corrosion layer 208 is used for anti-slip treatment to prevent accidents.

[0035] As a preferred embodiment, a plurality of groups of reserved holes 3 are provided, and the plurality of groups of reserved holes 3 include longitudinal holes and transverse holes, wherein the longitudinal holes and the transverse holes form an L shape. The limiting plate 5 is limit-connected to the reserved holes 3 through the anchor bolts 4 so as to limit-connect the protection net body 2, and through the L-shaped limiting method, the protection net body 2 is further limited and reinforced.

[0036] As a preferred embodiment, a plurality of groups of limiting plates 5 are provided, and the limiting plates 5 are trapezoidal. The inclined surface of the limiting plate 5 is attached to the inclined surface of the dam body 1. The reserved holes 3 installed on the inclined surface of the dam body 1 are all limit-connected to the anchor bolts 4 so that the protection net body 2 fits the inclined surface of the dam body 1, and then the protection net body 2 is installed.

[0037] As a preferred embodiment, a wavy groove 6 is provided on the surface of the protection net body 2 away from the dam body 1. The groove of the wavy groove 6 is parallel to the horizontal plane. A reflective strip is provided at the edge of the protection net body 2. The wavy groove 6 is used to better disperse the water flow pressure, and a reflective strip is installed to play a warning role and remind people to pay attention to safety.

[0038] The working process of the present utility model is as follows: When using this device, the protection net body 2 is composed of a plurality of groups of fixing frames 201 and connecting rope bodies 202. A plurality of groups of connecting rope bodies 202 are provided, and the plurality of groups of connecting rope bodies 202 are arranged horizontally and vertically in a staggered manner. Fixing frames 201 are provided at the joints between the connecting rope bodies 202. The upper limiting frame 203 and the lower limiting frame 204 are used to limit-connect the plurality of groups of connecting rope bodies 202. Then, the protection net body 2 is fixed at the reserved holes 3 on the inclined surface of the dam body 1 by using the anchor bolts 4 and the limiting plates 5. The protection net body 2 is composed of steel wires 205, an anti-corrosion coating 206, a Kevlar filler 207 and a polyethylene anti-corrosion layer 208. The topcoat, intermediate coat and primer in the anti-corrosion coating 206 are used to play an anti-corrosion role. The Kevlar filler 207 is further used to reinforce the connecting rope body 202. The epoxy powder coating, adhesive and polyethylene in the polyethylene anti-corrosion layer 208 make this device wear-resistant. At the same time, the surface of the protection net may be contacted by people, and the polyethylene anti-corrosion layer 208 is used for anti-slip treatment. The surface of the protection net body 2 is provided with a wavy groove 6 and a reflective strip. The wavy groove 6 is used to better disperse the water flow pressure, and a reflective strip is installed to play a warning role.

[0039] Finally: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A dam protection net for water conservancy protection, comprising a dam body (1), a protection net body (2) and a reserved hole (3), characterized in that: The reserved holes (3) are installed on the inclined surface of the dam body (1), and the reserved holes (3) are arranged in a plurality of groups. The reserved holes (3) are evenly arranged, and the reserved holes (3) are connected to the protective net body (2) through anchor nails (4) and limit plates (5); The protective net body (2) comprises a fixing frame (201) and a connecting rope body (202), wherein the connecting rope bodies (202) are provided in a plurality of groups, and the plurality of connecting rope bodies (202) are arranged in a staggered manner in the transverse and longitudinal directions, and the connecting parts between the connecting rope bodies (202) are all provided with fixing frames (201), and the fixing frames (201) comprise an upper limit frame (203) and a lower limit frame (204), and the lower end surface of the upper limit frame (203) and the upper end surface of the lower limit frame (204) are both A semicircular groove is provided, and the semicircular grooves are crossed in a cross shape. The upper limit frame (203) and the lower limit frame (204) are connected by bolt holes. The connecting rope body (202) includes a steel wire (205) and an anti-corrosion coating (206). The steel wire (205) is installed inside the anti-corrosion coating (206), and a Kevlar filler (207) is filled between the steel wire (205) and the anti-corrosion coating (206). The outer diameter surface of the anti-corrosion coating (206) is provided with a polyethylene anti-corrosion layer (208).

2. The dam protection net for water conservancy protection according to claim 1 is characterized by: The anti-corrosion coating (206) comprises a topcoat, an intermediate paint and a primer, wherein the topcoat is specifically an ethylene resin material; wherein the intermediate paint is specifically an epoxy micaceous iron material; and wherein the primer is specifically an organic epoxy zinc-rich material.

3. The dam protection net for water conservancy protection according to claim 1 is characterized by: The polyethylene anti-corrosion layer (208) comprises three layers of epoxy powder coating, adhesive and polyethylene, wherein the polyethylene is applied to the outer diameter surface of the anti-corrosion coating (206), and the epoxy powder coating is bonded to the outer diameter surface of the anti-corrosion coating (206) by the adhesive.

4. The dam protection net for water conservancy protection according to claim 1 is characterized by: The reserved holes (3) are provided in a plurality of groups, and the plurality of groups of the reserved holes (3) include longitudinal holes and transverse holes, wherein the longitudinal holes and the transverse holes form an L-shape, and the limiting plates (5) are connected to the reserved holes (3) in a limiting manner via anchor nails (4).

5. The dam protection net for water conservancy protection according to claim 1 is characterized by: The limiting plates (5) are provided in a plurality of groups, and the limiting plates (5) are trapezoidal in shape. The inclined surfaces of the limiting plates (5) are in contact with the inclined surfaces of the dam body (1), and the reserved holes (3) installed on the inclined surfaces of the dam body (1) are all connected to the anchor nails (4) in a limiting manner.

6. The dam protection net for water conservancy protection according to claim 1 is characterized by: A wavy groove (6) is provided on one side of the protective net body (2) away from the dam body (1); the groove of the wavy groove (6) is parallel to the horizontal plane; and a reflective strip is provided at the edge of the protective net body (2).

Citation Information

Patent Citations

  • Protective net for ecological management of water conservancy river channel

    CN218492418U