Multi-stage river channel desilting device

Abstract

The utility model relates to the technical field of dredging equipment, and discloses a multi-stage river channel dredging device which comprises a ship body, a guide seat is fixedly installed on the ship body, a depth adjusting pipe is movably installed on the guide seat, a lifting driving assembly is installed on the side wall of the guide seat, and the depth adjusting pipe is movably installed on the guide seat. The lifting driving assembly drives the depth adjusting pipe to ascend and descend to adjust the dredging depth. The lower end of the depth adjusting pipe movably penetrates through the guide seat and extends to the lower side of the ship body, the first pump machine can suck sludge into the feeding port, objects larger than the inner diameter of the first pump machine are filtered through the filtering port, and the situation that large objects enter the first pump machine, and consequently equipment is damaged or blocked can be effectively avoided; the driving motor can drive the driving shaft and the second gear to rotate, the second gear drives the teeth and the rotating ring which are connected in an engaged mode to rotate, substances in the feeding port are smashed through the blades in the rotating ring, and filtered objects can be cleaned in time.

Description

Technical Field

[0001] The utility model relates to the technical field of dredging equipment, in particular to a multi-stage river channel dredging device. Background Art

[0002] River regulation, also known as "riverbed management", is an engineering measure to control and transform the river. Scour and siltation often occur in natural rivers, which are prone to water disasters and hinder the development of water conservancy. In order to meet the requirements of eliminating hazards and promoting benefits, appropriate measures must be taken to regulate the river, including projects such as guidance, dredging and bank protection. When regulating the river, the first thing to do is to use dredging ships to clean the riverbed silt.

[0003] In the prior art, a multi-stage river sludge recovery and treatment device with an authorization announcement number of CN210065507U includes a river dredging hull, a primary sludge recovery box, a secondary sludge dewatering device and an adsorption mechanism, wherein a primary sludge recovery box is fixedly installed on the top of the river dredging hull, and two primary sludge recovery boxes are provided, and the two primary sludge recovery boxes are symmetrically arranged on both sides of the top of the river dredging hull, and a secondary sludge dewatering device is installed on the river dredging hull between the two primary sludge recovery boxes, and a sewage suction pump is fixedly installed on the top of the two primary sludge recovery boxes, which effectively improves the ecological environment of the river, realizes river sludge recovery and treatment, realizes multi-stage sludge dewatering and recovery, reduces the carrying weight of the river dredging hull, and does not require mechanical dehydration, reduces the energy consumption and cost of sludge recovery and treatment, and performs filtration, adsorption and purification during dehydration to improve the water quality of the river.

[0004] In the above technical solution, during dredging, since aquatic plant roots and a large amount of impurities will remain in the silt, if the silt is directly sucked into the pump and the pipeline, it will easily cause blockage and affect the dredging work of the equipment. For this reason, we have proposed a multi-stage river dredging device. Utility Model Content

[0005] The utility model provides a multi-stage river channel dredging device, which solves the technical problem that during dredging, waterweed roots and stems and a large amount of impurities may remain in the silt, and if the silt is directly sucked into the pump and the pipeline, it may easily cause blockage, thereby affecting the dredging work of the equipment.

[0006] In order to solve the above technical problems, the utility model provides a multi-stage river channel dredging device, comprising a hull, a guide seat is fixedly installed on the hull, a depth adjustment tube is movably installed on the guide seat, a lifting drive assembly is installed on the side wall of the guide seat, and the lifting drive assembly drives the depth adjustment tube to lift and lower to adjust the dredging depth;

[0007] The lower end of the depth adjustment tube movably passes through the guide seat and extends to the lower side of the hull. A first pump is installed at the lower end of the depth adjustment tube, and a filter assembly is installed at the feed end of the first pump.

[0008] Preferably, the lifting drive assembly includes a guide rail fixedly mounted on the outer wall of the depth adjustment tube, and the guide rail is slidably connected to the inside of the guide seat.

[0009] Preferably, a groove is vertically opened on the outer surface of the guide rail, a rack is fixedly installed in the groove of the guide rail, one side of the rack is meshed with a driving gear, one side of the driving gear is provided with a height adjustment motor, the height adjustment motor is installed on the outside of the guide seat, and the output end of the height adjustment motor is fixedly connected to the driving gear.

[0010] Preferably, the filter assembly includes a feed pipe, the lower end of which is closed, a plurality of filter ports are opened through the outer wall of the feed pipe, an outer shell is fixedly sleeved on the outside of the feed pipe, and a feed port is formed between the inner wall of the shell and the outer wall of the feed pipe.

[0011] Preferably, a swivel is rotatably mounted on the inner wall of the outer shell, and a plurality of blades are fixedly mounted on the inner wall of the swivel.

[0012] Preferably, teeth are fixedly mounted along the edge of the inner wall of the rotating ring, one side of the teeth is meshingly connected with a second gear, a driving shaft is fixedly mounted on the second gear, and one end of the driving shaft is rotatably extended to the outside of the housing.

[0013] Preferably, a driving motor is fixedly mounted on the outside of the housing, and an output end of the driving motor is fixedly connected to a driving shaft.

[0014] Compared with the related art, the multi-stage river channel dredging device provided by the utility model has the following beneficial effects:

[0015] 1. The multi-stage river dredging device, when in use, the first pump can suck the silt into the feed port, and filter objects larger than its inner diameter through the filter port, which can effectively prevent larger objects from entering the first pump and causing damage or blockage to the equipment.

[0016] 2. The multi-stage river channel dredging device can use a driving motor to drive the driving shaft and the second gear to rotate, and the second gear drives the meshing teeth and the rotating ring to rotate. The blade inside the rotating ring can crush the material inside the feed port, so that the filtered objects can be cleaned in time.

[0017] 3. When using the multi-stage river dredging device, the height adjustment motor drives the driving gear to rotate, and the driving gear drives the rack and the guide rail to move up and down, so as to adjust the position of the lower end of the depth adjustment pipe, thereby adjusting it according to the position of the river silt and improving the use range of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a multi-stage river channel dredging device;

[0019] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 A schematic diagram of the structure of the hull bottom of the heat energy recovery component of the multi-stage river dredging device;

[0021] Figure 4 It is a schematic diagram of the top view of the structure of the first pump and the filter assembly of the multi-stage river channel desilting device;

[0022] Figure 5 for Figure 4 Schematic diagram of the structure of the cross section at BB.

[0023] Numbers in the figure: 1. hull; 2. guide seat; 3. depth adjustment tube; 4. lifting drive assembly; 41. guide rail; 42. rack; 43. driving gear; 44. height adjustment motor; 5. first pump; 6. filter assembly; 61. feed pipe; 62. housing; 63. feed port; 64. filter port; 65. swivel; 66. blade; 67. teeth; 68. second gear; 69. drive shaft; 610. drive motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1, by Figure 1-5 The utility model provides a multi-stage river channel dredging device, comprising a hull 1, a guide seat 2 is fixedly mounted on the hull 1, a depth adjustment tube 3 is movably mounted on the guide seat 2, a lifting drive assembly 4 is mounted on the side wall of the guide seat 2, and the lifting drive assembly 4 drives the depth adjustment tube 3 to lift and lower to adjust the dredging depth;

[0026] The lower end of the depth adjustment pipe 3 movably passes through the guide seat 2 and extends to the lower side of the hull 1 . A first pump 5 is installed at the lower end of the depth adjustment pipe 3 , and a filter assembly 6 is installed at the feed end of the first pump 5 .

[0027] In this embodiment, the lifting drive assembly 4 includes a guide rail 41 fixedly installed on the outer wall of the depth adjustment tube 3, the guide rail 41 is slidably connected to the inside of the guide seat 2, and a groove is vertically opened on the outer surface of the guide rail 41. A rack 42 is fixedly installed in the groove of the guide rail 41, and a driving gear 43 is meshed and connected to one side of the rack 42. A height adjustment motor 44 is provided on one side of the driving gear 43. The height adjustment motor 44 is installed on the outside of the guide seat 2, and the output end of the height adjustment motor 44 is fixedly connected to the driving gear 43. When in use, the driving gear 43 is driven to rotate by the height adjustment motor 44, and the rack 42 and the guide rail 41 are driven to move up and down by the driving gear, so as to adjust the position of the lower end of the depth adjustment tube 3, thereby adjusting according to the position of the river silt, thereby improving the use range of the equipment.

[0028] In this embodiment, the filter assembly 6 includes a feed pipe 61, the lower end of the feed pipe 61 is in a closed state, and a plurality of filter ports 64 are opened through the outer wall of the feed pipe 61. The outside of the feed pipe 61 is fixedly sleeved with an outer shell 62, and a feed port 63 is formed between the inner wall of the outer shell 62 and the outer wall of the feed pipe 61. When in use, the first pump 5 can suck sludge into the feed port 63, and filter objects larger than its inner diameter through the filter port 64, which can effectively prevent larger objects from entering the first pump 5 and causing damage or blockage to the equipment.

[0029] In this embodiment, a swivel 65 is rotatably installed on the inner wall of the outer shell 62, a plurality of blades 66 are fixedly installed on the inner wall of the swivel 65, teeth 67 are fixedly installed along the edge of the inner wall of the swivel 65, one side of the teeth 67 is meshingly connected with a second gear 68, a driving shaft 69 is fixedly installed on the second gear 68, one end of the driving shaft 69 is rotatably extended to the outside of the outer shell 62, a driving motor 610 is fixedly installed on the outside of the outer shell 62, and the output end of the driving motor 610 is fixedly connected to the driving shaft 69. After the root and stem parts of the plant are filtered inside the feed port 63, the driving motor 610 can drive the driving shaft 69 and the second gear 68 to rotate, and the meshing teeth 67 and the swivel 65 are driven to rotate by the second gear 68, and the materials inside the feed port 63 are crushed by the blades 66 inside the swivel 65, so that the filtered objects can be cleaned in time.

[0030] The working principle of this utility model:

[0031] When in use, the first pump 5 can suck the sludge into the feed port 63 and filter objects larger than its inner diameter through the filter port 64, which can effectively prevent larger objects from entering the first pump 5 and causing damage or blockage to the equipment.

[0032] The driving motor 610 can drive the driving shaft 69 and the second gear 68 to rotate, and the second gear 68 drives the meshing teeth 67 and the rotating ring 65 to rotate, and the blade 66 inside the rotating ring 65 can crush the material inside the feed port 63, so that the filtered objects can be cleaned in time.

[0033] When in use, the height adjustment motor 44 drives the driving gear 43 to rotate, and the driving gear drives the rack 42 and the guide rail 41 to move up and down, so as to adjust the position of the lower end of the depth adjustment tube 3, thereby adjusting it according to the position of the river silt and improving the use range of the equipment.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-stage river channel dredging device, comprising a hull (1), a guide seat (2) fixedly mounted on the hull (1), a depth adjustment tube (3) movably mounted on the guide seat (2), characterized in that: A lifting drive assembly (4) is installed on the side wall of the guide seat (2), and the lifting drive assembly (4) drives the depth adjustment pipe (3) to lift and lower to adjust the dredging depth; The lower end of the depth adjustment tube (3) movably passes through the guide seat (2) and extends to the lower side of the hull (1). A first pump (5) is installed at the lower end of the depth adjustment tube (3), and a filter assembly (6) is installed at the feed end of the first pump (5).

2. The multi-stage river channel dredging device according to claim 1, characterized in that: The lifting drive assembly (4) comprises a guide rail (41) fixedly mounted on the outer wall of the depth adjustment tube (3), and the guide rail (41) is slidably connected to the inside of the guide seat (2).

3. The multi-stage river channel dredging device according to claim 2, characterized in that: A groove is vertically formed on the outer surface of the guide rail (41), a rack (42) is fixedly installed in the groove of the guide rail (41), one side of the rack (42) is meshedly connected with a driving gear (43), one side of the driving gear (43) is provided with a height adjustment motor (44), the height adjustment motor (44) is installed on the outside of the guide seat (2), and the output end of the height adjustment motor (44) is fixedly connected to the driving gear (43).

4. The multi-stage river channel dredging device according to claim 3, characterized in that: The filter assembly (6) comprises a feed pipe (61), the lower end of the feed pipe (61) is in a closed state, a plurality of filter ports (64) are provided through the outer wall of the feed pipe (61), an outer shell (62) is fixedly sleeved on the outside of the feed pipe (61), and a feed port (63) is formed between the inner wall of the outer shell (62) and the outer wall of the feed pipe (61).

5. The multi-stage river channel dredging device according to claim 4, characterized in that: A rotating ring (65) is rotatably mounted on the inner wall of the outer shell (62), and a plurality of blades (66) are fixedly mounted on the inner wall of the rotating ring (65).

6. The multi-stage river channel desilting device according to claim 5, characterized in that: A tooth (67) is fixedly mounted on the inner wall of the rotating ring (65), one side of the tooth (67) is meshingly connected with a second gear (68), a driving shaft (69) is fixedly mounted on the second gear (68), and one end of the driving shaft (69) is rotatably extended to the outside of the housing (62).

7. The multi-stage river channel desilting device according to claim 6, characterized in that: A driving motor (610) is fixedly mounted on the outside of the housing (62), and an output end of the driving motor (610) is fixedly connected to a driving shaft (69).

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