River channel dredging equipment for hydraulic engineering

Abstract

The utility model relates to the field of river channel desilting equipment, in particular to river channel desilting equipment for a water conservancy project, and aims to solve the technical problems that the desilting equipment is often inconvenient to enter water when facing a vertical river channel, and the equipment is possibly damaged by impact force generated when the desilting equipment enters the water rigidly. According to the technical scheme, the river channel dredging equipment for the water conservancy project comprises a ship body, a mud pump, a sludge stirring structure, a ship body lifting structure and a crawler belt; the protective grating is arranged at the opening in the front side of the collector, large and hard substances in sludge are prevented from damaging the spiral blade, the dredging equipment can freely float up and down through the ship body lifting structure, the buoyancy of the ship body is adjusted through the high-pressure air tank and the air storage tank, and the dredging efficiency is improved. The ship body can automatically float to the water surface after completing desilting work, the process of recycling equipment after operation is facilitated, buoyancy can be provided when the equipment enters water, and the purpose of preventing the equipment from being damaged due to hard water entering is achieved.

Description

Technical Field

[0001] The utility model relates to the field of river channel desilting equipment, in particular to a river channel desilting equipment for water conservancy projects. Background Art

[0002] In water conservancy projects, river dredging equipment is widely used in water conservancy projects and environmental protection. They can effectively clean up the silt and debris in the river, ensure the smooth flow of the river and the safety of water quality. At the same time, these equipment also have the advantages of easy operation, high dredging efficiency and wide operating range, which can greatly improve the efficiency and effectiveness of river dredging work.

[0003] River dredging equipment for water conservancy projects is an important tool to ensure the smooth flow of rivers and the safety of water quality. When selecting and using these equipment, it is necessary to comprehensively consider and select according to the specific dredging needs and scenarios. At present, rivers are divided into rivers with protective slopes and vertical rivers. Most underwater river dredging equipment can easily handle sloping rivers. However, when facing vertical rivers, dredging equipment is often not convenient to enter the water. At the same time, the impact force generated when entering the water hard may cause damage to the equipment.

[0004] Therefore, in order to address the problem that the above-mentioned dredging equipment is often inconvenient to enter the water when facing a vertical river channel, and the impact force generated when entering the water may cause damage to the equipment, a river dredging equipment for water conservancy projects can be designed to dredge the vertical river channel and protect the equipment when it is launched into the water. Utility Model Content

[0005] In order to overcome the problem that dredging equipment is often inconvenient to enter the water when facing a vertical river channel, and the impact force generated when entering the water hard may cause damage to the equipment.

[0006] The technical solution of the utility model is: a river channel dredging equipment for water conservancy projects, including a hull, a mud pump, a mud stirring structure, a hull lifting structure and a crawler; the mud pump is fixedly connected to the upper end of the bottom plate of the hull, the mud stirring structure is rotatably connected to the front side of the hull, the hull lifting structure is fixedly connected to the upper end of the rear side of the bottom plate of the hull, the hull lifting structure is arranged on both sides of the rear side of the mud pump, and the crawler is fixedly connected to the bottom of the ship plate of the hull.

[0007] Preferably, a protective grille is provided at the opening of the collector on the front side of the sludge stirring structure to prevent larger and harder materials in the sludge from damaging the spiral blades. The sludge stirring structure changes the angle through the rotating arm and the hydraulic rod to obtain a larger cleaning range. A searchlight is provided on the rotating arm to illuminate the underwater and explore the underwater environment. The dredge pump is a combination of a centrifugal pump and a screw pump. The dredging efficiency is improved under the drive of a waterproof motor. A propeller is provided at the bottom of the rear side of the hull to provide a driving force when the dredging equipment floats on the water surface, approaches the shore, and then takes the equipment out by a crane. The hull lifting structure adjusts the buoyancy of the hull through a high-pressure gas tank and an air storage tank, so that the hull can float to the water surface by itself after the dredging work is completed, which is convenient for the process of recovering the equipment after the operation. Buoyancy can also be provided when the equipment is launched to prevent damage to the equipment caused by hard entry into the water. The air storage tank can also be set at the four corners of the hull to improve the stability of the hull when the hull is inflated and floated and filled with water and sunk, thereby avoiding the occurrence of forward tilting and capsizing.

[0008] Preferably, the hull includes a bottom plate, a ship plate, a fixing ring, a rotating shaft, a propeller and a protective ring; the ship plate is fixedly connected to the lower end of the bottom plate, the fixing ring is fixedly connected to the upper end of the bottom plate, the rotating shaft is rotatably connected to the rear side of the ship plate, the propeller is fixedly connected to the rotating shaft, a protective ring is arranged outside the propeller, the protective ring is fixedly connected to the rear side of the ship plate, the ship plate contains an air chamber, which can provide buoyancy for the entire equipment together with the air storage tank, a fixing ring is fixedly connected to the bottom plate, the fixing ring is used to fix the mud pump, and can also be used as a buckle when the equipment is towed by a crane, and the propeller on the rear side can generate forward thrust to the hull, so as to reach the designated dredging location faster.

[0009] Preferably, the mud pump includes a waterproof motor, a spiral pump, a centrifugal pump and an output pipe; the centrifugal pump is fixedly connected to the front side of the waterproof motor, the spiral pump is fixedly connected to the front side of the centrifugal pump, and the output pipe is fixedly connected to the upper outlet of the centrifugal pump. The spiral pump and the centrifugal pump can be used together to improve the efficiency of mud extraction. The waterproof motor ensures that the equipment can run smoothly underwater. The output pipe can be connected to a pipe of the same caliber to discharge the cleaned sludge in a centralized manner.

[0010] Preferably, the sludge stirring structure includes a collector, a spiral blade, a protective grille and a transmission pipe; the spiral blade is rotatably connected to the inside of the collector, the protective grille is fixedly connected to the opening of the collector, the transmission pipe is fixedly connected to the upper end of the middle part of the collector, and a protective grille is provided at the front opening of the collector to prevent larger and harder substances in the sludge from damaging the spiral blade.

[0011] Preferably, the sludge stirring structure includes a trapezoidal block, a hydraulic rod, a rotating arm and a searchlight; the trapezoidal block is fixedly connected to the bottom plate, the rear end of the rotating arm is rotatably connected to the trapezoidal block, the front end of the rotating arm is fixedly connected to the upper end of the collector, the hydraulic rod is arranged between the ship board and the rotating arm, the searchlight is fixedly connected to the outside of the rotating arm, the searchlight can illuminate the underwater to facilitate the exploration of the underwater environment, and the rotating arm allows the collector to adjust the angle to obtain a larger cleaning range.

[0012] Preferably, the hull lifting structure includes a bracket, a high-pressure gas tank, a protective ring, a conversion valve and a gas hose; the bracket is fixedly connected to the rear side of the bottom plate, the high-pressure gas tank is fixedly connected to the middle of the bottom plate, a protective ring is arranged outside the high-pressure gas tank, the conversion valve is fixedly connected to the left side of the high-pressure gas tank, and three gas hoses are fixedly connected under the conversion valve. High-pressure air can be stored in the high-pressure gas tank, and air is input into the gas tank through the conversion valve and the gas hose to discharge water in the gas tank, thereby achieving a floating effect. Floating to the surface facilitates the crane to lift it out of the river.

[0013] Preferably, the hull lifting structure includes a large gas tank, a drainage hole, an exhaust hole, an air supply hole and a small gas tank; the large gas tank is fixedly connected to the upper end of the bracket, the drainage hole is arranged at the lower end of the left side of the large gas tank, the exhaust hole is arranged at the upper end of the large gas tank, the air supply hole is arranged on the left side of the large gas tank, and the small gas tank is fixedly connected to both sides of the bottom plate. Air is introduced into the gas tank to prevent the dredging equipment from entering the water hard, so that the water slowly flows into the gas tank and slowly sinks to the bottom of the river channel to protect the equipment from damage.

[0014] Beneficial effects of the utility model:

[0015] 1. The angle of the collector can be changed by rotating the arm and the hydraulic rod to obtain a larger cleaning range. The rotating arm is equipped with a searchlight to illuminate the underwater and explore the underwater environment. The buoyancy of the hull is adjusted by the high-pressure gas tank and the gas storage tank, so that the hull can float to the surface of the water by itself after the dredging work is completed. A propeller is set at the bottom of the rear side of the hull to provide propulsion when the dredging equipment floats on the water surface, which is convenient for the process of recovering the equipment after the operation;

[0016] 2. A protective grille is installed at the opening of the collector on the front side of the sludge stirring structure to prevent the larger and harder substances in the sludge from damaging the spiral blades;

[0017] 3. The buoyancy of the hull is adjusted by high-pressure gas tanks and gas storage tanks, which can provide buoyancy when the dredging equipment is launched into the water to prevent damage to the equipment caused by hard entry into the water; BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 What is shown is a schematic diagram of the overall three-dimensional structure of the river channel dredging equipment for water conservancy projects of the utility model;

[0019] Figure 2What is shown is a schematic diagram of the side plane structure of the river channel dredging equipment for water conservancy projects of the utility model;

[0020] Figure 3 What is shown is a schematic diagram of the three-dimensional structure of the hull of the river channel dredging equipment for water conservancy projects of the utility model;

[0021] Figure 4 What is shown is a three-dimensional structural schematic diagram of a mud pump for river channel desilting equipment used in water conservancy projects of the utility model;

[0022] Figure 5 What is shown is a three-dimensional structural schematic diagram of the silt stirring structure of the river channel silting equipment for water conservancy engineering of the utility model;

[0023] Figure 6 What is shown is a three-dimensional structural schematic diagram of the hull lifting structure of the river channel dredging equipment for water conservancy engineering of the utility model;

[0024] Explanation of reference numerals: 5, crawler; 101, bottom plate; 102, ship plate; 103, fixing ring; 104, rotating shaft; 105, propeller; 106, protective ring; 201, waterproof motor; 202, screw pump; 203, centrifugal pump; 204, output pipe; 301, collector; 302, screw blade; 303, protective grille; 304, transmission pipe; 305, trapezoidal block; 306, hydraulic rod; 307, rotating arm; 308, searchlight; 401, bracket; 402, high-pressure gas tank; 403, protective ring; 404, conversion valve; 405, gas hose; 406, large gas tank; 407, drainage hole; 408, exhaust hole; 409, gas hole; 410, small gas tank; DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0026] See also Figure 1-Figure 2In this embodiment, the utility model provides a river channel dredging equipment for water conservancy projects, including a hull, a mud pump, a sludge stirring structure, a hull lifting structure and a crawler 5; the mud pump is fixedly connected to the upper end of the bottom plate 101 of the hull, the sludge stirring structure is rotatably connected to the front side of the hull, the hull lifting structure is fixedly connected to the upper end of the rear side of the bottom plate 101 of the hull, the hull lifting structure is arranged on both sides of the rear side of the mud pump, the crawler 5 is fixedly connected to the bottom of the ship board 102 of the hull, and a protective grille 303 is arranged at the opening of the collector 301 on the front side of the sludge stirring structure to prevent larger and harder substances in the sludge from damaging the spiral blade 302. The sludge stirring structure is through a rotating arm 307 and a hydraulic rod 306. The angle can be changed to obtain a larger cleaning range. A searchlight 308 is arranged on the rotating arm 307 to illuminate the underwater and explore the underwater environment. The mud pump is a combination of a centrifugal pump 203 and a screw pump 202. Driven by the waterproof motor 201, the dredging efficiency is improved. A propeller 105 is arranged at the bottom of the rear side of the hull to provide a driving force when the dredging equipment floats on the water surface, approaches the shore, and then the equipment is taken out by a crane. The hull lifting structure adjusts the buoyancy of the hull through the high-pressure gas tank 402 and the gas storage tank, so that the hull can float to the water surface by itself after the dredging work is completed, which is convenient for the process of recovering the equipment after the operation. It can also provide buoyancy when the equipment is launched to prevent damage to the equipment caused by hard entry into the water.

[0027] See also Figure 3-Figure 4 In this embodiment, the hull includes a bottom plate 101, a ship plate 102, a fixing ring 103, a rotating shaft 104, a propeller 105 and a protective ring 106; the ship plate 102 is fixedly connected to the lower end of the bottom plate 101, the fixing ring 103 is fixedly connected to the upper end of the bottom plate 101, the rotating shaft 104 is rotatably connected to the rear side of the ship plate 102, the propeller 105 is fixedly connected to the rotating shaft 104, a protective ring 106 is arranged outside the propeller 105, and the protective ring 106 is fixedly connected to the rear side of the ship plate 102, the ship plate 102 contains an air chamber, which can provide buoyancy for the overall equipment together with the air storage tank, and a fixing ring 103 is fixedly connected to the bottom plate 101, and the fixing ring 103 is used to fix the dredge pump. , and it can also be used as a buckle when the equipment is towed by a crane. The propeller 105 on the rear side can generate forward thrust on the hull, so that it can reach the designated dredging location faster. The dredge pump includes a waterproof motor 201, a spiral pump 202, a centrifugal pump 203 and an output pipe 204; the centrifugal pump 203 is fixedly connected to the front side of the waterproof motor 201, the spiral pump 202 is fixedly connected to the front side of the centrifugal pump 203, and the output pipe 204 is fixedly connected to the upper outlet of the centrifugal pump 203. The spiral pump 202 and the centrifugal pump 203 can be used together to improve the efficiency of dredging. The waterproof motor 201 ensures that the equipment can run smoothly underwater, and the output pipe 204 can be connected to a pipe of the same caliber to discharge the cleaned sludge in a centralized manner.

[0028] See also Figure 5In this embodiment, the sludge stirring structure includes a collector 301, a spiral blade 302, a protective grille 303, a transmission pipe 304, a trapezoidal block 305, a hydraulic rod 306, a rotating arm 307 and a searchlight 308; the spiral blade 302 is rotatably connected to the inside of the collector 301, the protective grille 303 is fixedly connected to the opening of the collector 301, the transmission pipe 304 is fixedly connected to the middle upper end of the collector 301, and the protective grille 303 is arranged at the front opening of the collector 301 to prevent the larger and harder particles in the sludge from being transported to the sludge. The spiral blade 302 is damaged by the material, the trapezoidal block 305 is fixedly connected to the bottom plate 101, the rear end of the rotating arm 307 is rotatably connected to the trapezoidal block 305, the front end of the rotating arm 307 is fixedly connected to the upper end of the collector 301, the hydraulic rod 306 is arranged between the shipboard 102 and the rotating arm 307, the searchlight 308 is fixedly connected to the outer side of the rotating arm 307, the searchlight 308 can illuminate the underwater to facilitate the exploration of the underwater environment, and the rotating arm 307 allows the collector 301 to adjust the angle to obtain a larger cleaning range.

[0029] See also Figure 6 In this embodiment, the hull lifting structure includes a bracket 401, a high-pressure gas tank 402, a protection ring 403, a conversion valve 404, a gas hose 405, a large gas storage tank 406, a drainage hole 407, an exhaust hole 408, a gas hole 409 and a small gas storage tank 410; the bracket 401 is fixedly connected to the rear side of the bottom plate 101, the high-pressure gas tank 402 is fixedly connected to the middle of the bottom plate 101, a protection ring 403 is arranged outside the high-pressure gas tank 402, the conversion valve 404 is fixedly connected to the left side of the high-pressure gas tank 402, and three gas hoses 405 are fixedly connected under the conversion valve 404. The high-pressure gas tank 402 can store high-pressure air. Air is input into the gas tank through the conversion valve 404 and the gas hose 405 to discharge the water in the gas tank to achieve the floating effect. It is convenient for the crane to lift it out of the river channel when it floats to the surface. The large gas tank 406 is fixedly connected to the upper end of the bracket 401, the drainage hole 407 is arranged at the lower end of the left side of the large gas tank 406, the exhaust hole 408 is arranged at the upper end of the large gas tank 406, the gas hole 409 is arranged on the left side of the large gas tank 406, and the small gas tank 410 is fixedly connected to both sides of the bottom plate 101. Air is introduced into the gas tank to prevent the dredging equipment from entering the water hard, so that the water slowly flows into the gas tank and slowly sinks to the bottom of the river channel to protect the equipment from damage.

[0030] When working, if it is a sloping river channel, it directly enters the river channel through the crawler 5. If it is a vertical river channel, the dredging equipment is placed into the river channel through a crane. High-pressure air is stored in the high-pressure gas tank 402. When the dredging equipment descends, the drainage holes 407 and the exhaust holes 408 of the large gas tank 406 and the small gas tank 410 are open when entering the water. Water flows slowly into the gas tank to prevent the dredging equipment from entering the water hard and protect the equipment. After the dredging equipment reaches the bottom of the river channel, the angle is changed by the rotating arm 307 and the hydraulic rod 306 to meet the requirements. The front spiral blade 302 rotates to stir the water flow near the collector 301 while bringing up the bottom silt. The protective grille 303 prevents some larger and harder substances from damaging the spiral blade 302. The centrifugal pump 203 and the spiral pump 202 are The waterproof motor 201 rotates under the power to suck the silt and water into the pump body through the transmission pipe 304, and then discharges it through the output pipe 204. The output pipe 204 is connected to the collection point or the shore to discharge the silt. After the dredging work is completed, the exhaust hole 408 on the gas tank is closed when it is necessary to float, and air is transported into the gas tank through the air delivery hole 409 to discharge the moisture in the gas storage to increase the buoyancy to achieve the floating effect and reach the water surface. If it is a vertical river channel, the dredging equipment can be lifted away from the river channel by a crane. If it is a sloping river channel, the propeller 105 on the rear side of the hull can be used to provide power to push the dredging equipment to the shore for recovery. The gas tank can also be set at the four corners of the hull. When the hull is inflated to float and filled with water to sink, the stability of the hull is improved to avoid the occurrence of forward tilting and capsizing.

[0031] Through the above steps, a protective grille 303 is provided at the opening of the collector 301 on the front side of the sludge stirring structure to prevent larger and harder materials in the sludge from damaging the spiral blade 302. The sludge stirring structure changes the angle through the rotating arm 307 and the hydraulic rod 306 to obtain a larger cleaning range. A searchlight 308 is provided on the rotating arm 307 to illuminate the underwater and explore the underwater environment. The dredging pump is a combination of a centrifugal pump 203 and a spiral pump 202. Driven by the waterproof motor 201, the dredging efficiency is improved. A propeller 105 is provided at the bottom of the rear side of the hull to provide a driving force when the dredging equipment floats on the water surface, approaches the shore, and then takes the equipment out by a crane. The hull lifting structure adjusts the buoyancy of the hull through the high-pressure gas tank 402 and the gas storage tank, so that the hull can float to the water surface by itself after the dredging work is completed, which is convenient for the process of recovering the equipment after the operation. It can also provide buoyancy when the equipment is launched to prevent hard entry into the water from causing damage to the equipment.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A river channel desilting equipment for water conservancy projects, comprising a crawler (5); characterized in that: It also includes a hull, a dredge pump, a sludge stirring structure and a hull lifting structure; the dredge pump is fixedly connected to the upper end of the bottom plate (101) of the hull, the sludge stirring structure is rotatably connected to the front side of the hull, the hull lifting structure is fixedly connected to the upper end of the rear side of the bottom plate (101) of the hull, the hull lifting structure is arranged on both sides of the rear side of the dredge pump, and the crawler (5) is fixedly connected to the bottom of the shipboard (102) of the hull.

2. The river channel desilting equipment for water conservancy projects according to claim 1 is characterized in that: The hull comprises a bottom plate (101), a ship plate (102), a fixing ring (103), a rotating shaft (104), a propeller (105) and a protective ring (106); the ship plate (102) is fixedly connected to the lower end of the bottom plate (101), the fixing ring (103) is fixedly connected to the upper end of the bottom plate (101), the rotating shaft (104) is rotatably connected to the rear side of the ship plate (102), the propeller (105) is fixedly connected to the rotating shaft (104), a protective ring (106) is arranged outside the propeller (105), and the protective ring (106) is fixedly connected to the rear side of the ship plate (102).

3. The river channel desilting equipment for water conservancy projects according to claim 2 is characterized in that: The mud pump comprises a waterproof motor (201), a screw pump (202), a centrifugal pump (203) and an output pipe (204); the centrifugal pump (203) is fixedly connected to the front side of the waterproof motor (201), the screw pump (202) is fixedly connected to the front side of the centrifugal pump (203), and the output pipe (204) is fixedly connected to the upper outlet of the centrifugal pump (203).

4. The river channel desilting equipment for water conservancy projects according to claim 3 is characterized in that: The sludge stirring structure comprises a collector (301), a spiral blade (302), a protective grille (303) and a transmission pipe (304); the spiral blade (302) is rotatably connected to the inside of the collector (301), the protective grille (303) is fixedly connected to the opening of the collector (301), and the transmission pipe (304) is fixedly connected to the upper end of the middle part of the collector (301).

5. The river channel desilting equipment for water conservancy projects according to claim 4 is characterized in that: The sludge stirring structure comprises a trapezoidal block (305), a hydraulic rod (306), a rotating arm (307) and a searchlight (308); the trapezoidal block (305) is fixedly connected to the bottom plate (101), the rear end of the rotating arm (307) is rotatably connected inside the trapezoidal block (305), the front end of the rotating arm (307) is fixedly connected to the upper end of the collector (301), the hydraulic rod (306) is arranged between the shipboard (102) and the rotating arm (307), and the searchlight (308) is fixedly connected to the outer side of the rotating arm (307).

6. The river channel desilting equipment for water conservancy projects according to claim 5 is characterized by: The hull lifting structure comprises a bracket (401), a high-pressure gas tank (402), a protection ring (403), a conversion valve (404) and a gas delivery hose (405); the bracket (401) is fixedly connected to the rear side of a bottom plate (101), the high-pressure gas tank (402) is fixedly connected to the middle of the bottom plate (101), a protection ring (403) is arranged outside the high-pressure gas tank (402), the conversion valve (404) is fixedly connected to the left side of the high-pressure gas tank (402), and three gas delivery hoses (405) are fixedly connected under the conversion valve (404).

7. The river channel desilting equipment for water conservancy projects according to claim 6, characterized in that: The hull lifting structure comprises a large gas storage tank (406), a drainage hole (407), an exhaust hole (408), an air supply hole (409) and a small gas storage tank (410); the large gas storage tank (406) is fixedly connected to the upper end of the bracket (401), the drainage hole (407) is arranged at the lower end of the left side of the large gas storage tank (406), the exhaust hole (408) is arranged at the upper end of the large gas storage tank (406), the air supply hole (409) is arranged at the left side of the large gas storage tank (406), and the small gas storage tank (410) is fixedly connected to both sides of the bottom plate (101).

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