Grille dam with water-driven stone crushing function and working method thereof

Abstract

The invention discloses a grating dam with a water-driven stone crushing function and a working method thereof, and belongs to the field of debris flow blocking dams, the grating dam comprises a grating dam body and buttresses arranged on the two sides of the grating dam body, the grating dam body is arranged in a containing groove in an overturning mode through an opening and closing assembly, and the containing groove is formed between the two buttresses; the grating dam body comprises a blocking dam movably connected with the opening and closing assembly and a stone crushing assembly vertically arranged in the blocking dam in a sliding mode through a lifting assembly, and the stone crushing assembly is of a water-driven type double-blade-net structure. By means of the grating dam with the water-driven stone crushing function and the working method of the grating dam, the objects can be effectively crushed into small particles, the dam body is prevented from being blocked, and the long-term using effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of debris flow retaining dams, and in particular to a grid dam with a water-driven stone crushing function and a working method thereof. Background Art

[0002] In mountainous areas or areas with complex geological conditions, debris flow disasters frequently occur, seriously threatening the safety of life and property of downstream residents. Due to the steep terrain, loose soil and insufficient vegetation cover in these areas, large-scale debris flow is easily triggered when it rains or melts snow. Debris flow not only carries a large amount of soil and sand, but also may be mixed with large objects such as trees and boulders, causing great destructive power to everything along the way.

[0003] Although traditional grid dams can effectively intercept large particles such as small stones and branches, they are unable to cope with larger stones and other solid objects. Once these large objects are intercepted, it is difficult to deal with them through conventional means, resulting in the gradual blockage of the dam body, affecting its long-term use effect. As the accumulation of materials increases, it will not only weaken the interception capacity of the grid dam, but may also cause new safety hazards due to the excessive load-bearing capacity of the structure.

[0004] More importantly, if large objects that are not broken up and decomposed in time are washed away in subsequent floods or other natural disasters, they will cause greater damage to downstream infrastructure. For example, huge rocks may hit and damage buildings such as bridges, roads, and houses, and may even cause river blockages, further exacerbating the impact of floods. In addition, the accumulation of large objects that have not been processed for a long time will also have a negative impact on the ecological environment. For example, they may hinder water flow, change the direction of the river, and thus affect the habitat of aquatic organisms; they may also block animal migration routes and destroy the local ecological balance. Summary of the invention

[0005] The purpose of the present invention is to provide a grid dam with water-driven gravel function and a working method thereof to solve the above technical problems.

[0006] To achieve the above object, the present invention provides a grid dam with a water-driven gravel function, comprising a grid dam body and piers arranged on both sides of the grid dam body, the grid dam body is turned over by an opening and closing assembly and arranged in a receiving groove, and the receiving groove is opened between the two piers;

[0007] The grid dam body comprises a retaining dam movably connected to the opening and closing assembly and a crushing assembly vertically slidably arranged inside the retaining dam via a lifting assembly, wherein the crushing assembly is a water-driven double-blade mesh structure.

[0008] Preferably, the water-driven double-blade net structure comprises a mounting tube, a plurality of electromagnetic coils arranged vertically in parallel in a linear array inside the mounting tube, two permanent magnets symmetrically arranged on both sides of the bottom end of the mounting tube via an elastic component, and a plurality of worm gear generators fixed at the bottom end of the mounting tube between the two permanent magnets, each worm gear generator being electrically connected to the corresponding electromagnetic coil after passing through a rectifier and an inverter in turn;

[0009] The two permanent magnets located on both sides of the installation tube have opposite magnetic properties. The bottom ends of the two permanent magnets are connected to the knife net through elastic components. The knife net is provided with flow holes, and the knife net is provided with blades around the flow holes.

[0010] Preferably, the elastic component is a plurality of springs arranged in a linear array.

[0011] Preferably, the opening and closing assembly includes a plurality of opening and closing hydraulic cylinders arranged in a linear array, the cylinder bodies of the opening and closing hydraulic cylinders are vertically rotatably disposed inside the accommodating grooves, and the piston rods of the opening and closing hydraulic cylinders are vertically rotatably connected to one side of the retaining dam.

[0012] Preferably, the top of the retaining dam flipped into the accommodating groove is flush with the top of the accommodating groove.

[0013] Preferably, the lifting assembly is a multi-stage hydraulic cylinder.

[0014] A working method of a grid dam with a water-driven gravel function, comprising the following steps:

[0015] When a debris flow disaster occurs, the opening and closing hydraulic cylinder is first started, the piston rod of the opening and closing hydraulic cylinder is extended, and the retaining dam is flipped upward until the retaining dam remains vertical, and the opening and closing hydraulic cylinder is closed; then the multi-stage hydraulic cylinder is opened, the piston rod of the multi-stage hydraulic cylinder is extended, and the water-driven double knife net structure is pushed out from the inside of the retaining dam, and the multi-stage hydraulic cylinder is closed; when the debris flow arrives, it first contacts the retaining dam for primary sedimentation, and when the liquid level is higher than the worm gear generator, it drives the worm gear generator to rotate, and then outputs alternating current to the electromagnetic coil through the rectifier and inverter in turn, and the electromagnetic coil generates an alternating magnetic field and acts on the permanent magnets on both sides thereof, so that the permanent magnets on both sides are subjected to magnetic forces in different directions, thereby driving the two knife nets to move in different directions, thereby realizing the cutting and crushing of the stones, and the crushed stones then enter the containing tank through the flow hole for secondary sedimentation, and finally flow out clear water.

[0016] Therefore, the present invention adopts the above-mentioned grid dam with water-driven gravel function and its working method, which has the following beneficial effects:

[0017] 1. The turbine generator converts the kinetic energy of water into electrical energy to power the stone crushing components. There is no need to lay additional cables or install external power equipment, which reduces construction and maintenance costs.

[0018] 2. Through the combination of primary sedimentation and secondary sedimentation, the grid dam can effectively intercept and precipitate stones and impurities in the debris flow, ensure the outflow of clear water, reduce the impact on the downstream environment, and help protect the ecological balance;

[0019] 3. The water-driven double-blade net structure uses the electric energy generated by the worm gear generator to drive the electromagnetic coil, which then drives the permanent magnet and the blade net to move through the magnetic force to achieve the cutting and crushing of stones. This mechanism is not only energy-saving and environmentally friendly (using the water flow of the debris flow to drive the worm gear generator), but also highly efficient (the alternating magnetic field generated by the electromagnetic coil can quickly drive the blade net to move), so that large objects can be processed in time, reducing the risk of structural damage caused by blockage, and extending the service life of the entire grid dam system;

[0020] 4. The grille dam body is flipped and set in the receiving groove through the opening and closing components. This design allows the grille dam to be stored when not needed, saving space, not affecting the normal use of the road, and facilitating maintenance and repair. The gravel assembly is vertically slid inside the retaining dam through the lifting assembly. This hidden design not only protects the gravel assembly, but also ensures that it can quickly start working when needed.

[0021] In summary, the grid dam with water-driven gravel function described in the present invention not only solves the problems existing in traditional grid dams, but also introduces advanced technologies such as self-power supply, which significantly improves the ability of disaster prevention and mitigation.

[0022] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a grid dam with a water-driven gravel function in use state of the present invention;

[0024] Figure 2 This is a distribution diagram of magnetic lines of force generated by the electromagnetic coil of a grid dam with water-driven stone crushing function according to the present invention.

[0025] Reference numerals

[0026] 1. Pier; 2. Mounting block; 3. Mounting cylinder; 4. Permanent magnet; 5. Knife net; 6. Worm gear generator; 7. Multi-stage hydraulic cylinder; 8. Opening and closing hydraulic cylinder; 9. Accommodation groove; 10. Retaining dam; 11. Electromagnetic coil. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages disclosed in the embodiments of the present invention clearer, the embodiments of the present invention are further described in detail in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the embodiments of the present invention and are not used to limit the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions.

[0028] It should be noted that the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or server that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or inherent to these processes, methods, products or devices.

[0029] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] like Figure 1 and Figure 2 As shown, a grid dam with a water-driven gravel function comprises a grid dam body and piers 1 arranged on both sides of the grid dam body. The grid dam body is turned over by an opening and closing assembly and arranged in a receiving groove 9. The receiving groove 9 is opened between the two piers 1.

[0031] The grid dam body includes a retaining dam 10 movably connected to the opening and closing assembly and a stone crushing assembly vertically slidably arranged on the retaining dam through a lifting assembly; the stone crushing assembly inside 10 is a water-driven double-blade net structure.

[0032] Preferably, the water-driven double knife net structure includes a mounting cylinder 3, a plurality of electromagnetic coils 11 vertically arranged in parallel in a linear array inside the mounting cylinder 3, two permanent magnets 4 symmetrically arranged on both sides of the bottom end of the mounting cylinder 3 via an elastic component, and a plurality of worm gear generators 6 fixed at the bottom end of the mounting cylinder 3 between the two permanent magnets 4, each worm gear generator 6 is electrically connected to the corresponding electromagnetic coil 11 after passing through a rectifier and an inverter in sequence; the two permanent magnets 4 located on both sides of the mounting cylinder 3 have opposite magnetic properties, and the bottom ends of the two permanent magnets 4 are connected to the knife net 5 via an elastic component, a circulation hole is provided on the knife net 5, and blades are provided around the knife net 5 facing the circulation hole.

[0033] Mounting blocks 2 are fixed at both ends of the mounting tube 3, and the mounting blocks 2 are fixedly connected to the top output end of the lifting assembly.

[0034] It should be noted that the above-mentioned electronic components are mature products on the market. This embodiment only needs to purchase them and connect them according to the instructions. No improvement is made to them, so their circuit connection structure and principle will not be described in detail here.

[0035] The elastic component is a plurality of springs arranged in a linear array.

[0036] The opening and closing assembly includes a plurality of opening and closing hydraulic cylinders 8 arranged in a linear array. The cylinder bodies of the opening and closing hydraulic cylinders 8 are vertically rotatably arranged inside the accommodating groove 9. The piston rods of the opening and closing hydraulic cylinders 8 are vertically rotatably connected to one side of the retaining dam 10.

[0037] The top of the retaining dam 10 that is turned over and enters the accommodating groove 9 is flush with the top of the accommodating groove 9, so that when the debris flow does not occur, it acts as a road plate and does not affect the normal use of the road. The lifting component is a multi-stage hydraulic cylinder 7.

[0038] A working method of a grid dam with a water-driven gravel function, comprising the following steps:

[0039] When a debris flow disaster occurs, first start the opening and closing hydraulic cylinder 8, the piston rod of the opening and closing hydraulic cylinder 8 extends, and the retaining dam 10 is flipped upward until the retaining dam 10 is reached; 10 remains vertical, and the opening and closing hydraulic cylinder 8 is closed; then the multi-stage hydraulic cylinder 7 is opened, the piston rod of the multi-stage hydraulic cylinder 7 extends, and the water-driven double-knife net structure is pushed out from the inside of the retaining dam 10, and the multi-stage hydraulic cylinder 7 is closed; when the debris flow arrives, it first contacts the retaining dam 10, and primary sedimentation is carried out. When the liquid level is higher than the worm gear generator 6, it drives the worm gear generator 6 to rotate, and then is rectified in sequence. The device and the inverter output alternating current to the electromagnetic coil 11, which generates an alternating magnetic field and acts on the permanent magnets 4 on both sides thereof, so that the permanent magnets 4 on both sides are subjected to magnetic forces in different directions, thereby driving the two knife nets 5 to move in different directions, thereby realizing the cutting and crushing of the stones. The crushed stones then enter the containing tank 9 through the flow holes for secondary sedimentation, and finally clear water flows out. That is, in this embodiment, the containing tank 9 can be used as a retaining dam when no debris flow occurs; 10, and can also be used as a sedimentation tank when a debris flow occurs.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A grid dam with water-driven gravel function, characterized in that: It includes a grid dam body and piers arranged on both sides of the grid dam body. The grid dam body is turned over and arranged in a receiving groove through an opening and closing assembly. The receiving groove is opened between the two piers. The grid dam body comprises a retaining dam movably connected to the opening and closing assembly and a crushing assembly vertically slidably arranged inside the retaining dam via a lifting assembly, wherein the crushing assembly is a water-driven double-blade mesh structure.

2. The grid dam with water-driven gravel function according to claim 1, characterized in that: The water-driven double-blade net structure includes a mounting tube, a plurality of electromagnetic coils vertically arranged in parallel in a linear array inside the mounting tube, two permanent magnets symmetrically arranged on both sides of the bottom end of the mounting tube through an elastic component, and a plurality of worm gear generators fixed at the bottom end of the mounting tube between the two permanent magnets, each worm gear generator is electrically connected to the corresponding electromagnetic coil after passing through a rectifier and an inverter in turn; The two permanent magnets located on both sides of the installation tube have opposite magnetic properties. The bottom ends of the two permanent magnets are connected to the knife net through elastic components. The knife net is provided with flow holes, and the knife net is provided with blades around the flow holes.

3. The grid dam with water-driven gravel function according to claim 2, characterized in that: The elastic component is a plurality of springs arranged in a linear array.

4. The grid dam with water-driven gravel function according to claim 3, characterized in that: The opening and closing assembly includes a plurality of opening and closing hydraulic cylinders arranged in a linear array, the cylinder bodies of the opening and closing hydraulic cylinders are vertically rotatably arranged inside the accommodating grooves, and the piston rods of the opening and closing hydraulic cylinders are vertically rotatably connected to one side of the retaining dam.

5. The grid dam with water-driven gravel function according to claim 4, characterized in that: The top of the retaining dam flipped into the accommodating groove is flush with the top of the accommodating groove.

6. The grid dam with water-driven gravel function according to claim 5, characterized in that: The lifting assembly is a multi-stage hydraulic cylinder.

7. A method for operating a grid dam with a water-driven gravel function according to claim 6, characterized in that: The following steps are involved: When a debris flow disaster occurs, the opening and closing hydraulic cylinder is first started, the piston rod of the opening and closing hydraulic cylinder is extended, and the retaining dam is flipped upward until the retaining dam remains vertical, and the opening and closing hydraulic cylinder is closed; then the multi-stage hydraulic cylinder is opened, the piston rod of the multi-stage hydraulic cylinder is extended, and the water-driven double knife net structure is pushed out from the inside of the retaining dam, and the multi-stage hydraulic cylinder is closed; when the debris flow arrives, it first contacts the retaining dam for primary sedimentation, and when the liquid level is higher than the worm gear generator, it drives the worm gear generator to rotate, and then outputs alternating current to the electromagnetic coil through the rectifier and inverter in turn, and the electromagnetic coil generates an alternating magnetic field and acts on the permanent magnets on both sides thereof, so that the permanent magnets on both sides are subjected to magnetic forces in different directions, thereby driving the two knife nets to move in different directions, realizing the cutting and crushing of the stones, and the crushed stones then enter the containing tank through the flow hole for secondary sedimentation, and finally flow out clear water.

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