River channel dredging equipment with pre-crushing device

Abstract

The utility model discloses river channel dredging equipment with a pre-crushing device, which comprises a ship body, a conveying pipe is mounted at the bottom of the ship body, a cutter suction head is mounted at the bottom end of the conveying pipe, a submersible motor is fixedly mounted on the surface of the conveying pipe through bolts, and the submersible motor is connected with the pre-crushing device. An output shaft of the submersible motor penetrates into an inner cavity of the conveying pipe and is fixedly connected with a first bevel gear, the inner wall of the conveying pipe is fixedly connected with a supporting disc, and the inner wall of the supporting disc is rotationally connected with a sleeve. A first bevel gear is driven by a submersible motor to rotate, so that the first bevel gear drives a sleeve and a rotating rod to rotate through a second bevel gear and a third bevel gear respectively, the sleeve and the rotating rod both drive cutting blades to rotate through lantern rings, and then the two cutting blades coaxially rotate in different directions and pre-crush foreign matter entering a conveying pipe; therefore, the purpose of pre-crushing the foreign matters entering the pipeline to prevent the foreign matters from blocking the inner cavity of the conveying pipeline can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of river channel desilting, in particular to a river channel desilting equipment with a pre-crushing device. Background Art

[0002] River dredging generally refers to the management of river silt, which is usually done by using mechanical equipment to stir the silt deposited on the riverbed into turbid muddy water, then collecting the muddy water and separating the silt from the muddy water. River dredging is of great significance for increasing the river's capacity, improving the river's water quality and protecting the ecological environment.

[0003] River dredging requires the use of river dredging ships. The silt is stirred and sucked into the pipeline through the suction head equipped at the end of the conveying pipeline. Since there are foreign objects such as branches or woven belts at the bottom of the river, foreign objects entering the pipeline may cause blockage in the inner cavity of the conveying pipeline. Therefore, a river dredging equipment with a pre-crushing device is needed to pre-crush foreign objects entering the pipeline to avoid foreign objects clogging the inner cavity of the conveying pipeline. Utility Model Content

[0004] The purpose of the utility model is to provide a river channel dredging equipment with a pre-crushing device to pre-crush foreign matter entering the pipeline to avoid the foreign matter clogging the inner cavity of the conveying pipeline, so as to solve the technical problems raised by the above background technology.

[0005] The utility model solves the above-mentioned technical problems with a technical solution as follows: a river dredging equipment with a pre-crushing device, comprising a hull: a conveying pipe is installed at the bottom of the hull, a suction head is installed at the bottom end of the conveying pipe, a submersible motor is fixedly installed on the surface of the conveying pipe by bolts, the output shaft of the submersible motor penetrates the inner cavity of the conveying pipe and is fixedly connected to a bevel gear one, the inner wall of the conveying pipe is fixedly connected to a support plate, the inner wall of the support plate is rotatably connected to a sleeve, the inner wall of the sleeve is rotatably connected to a rotating rod, the surfaces of the sleeve and the rotating rod are both provided with rings, the surfaces of the rings are welded with cutting blades, the ends of the sleeve and the rotating rod are respectively fixedly connected to a bevel gear two and a bevel gear three, and the rotating rod is rotatably connected to the bevel gear two.

[0006] Preferably, a bolt rod is provided through the outer side of the collar, the end of the bolt rod extends to the inner cavity of the collar, and the bolt rod is threadedly connected to the collar.

[0007] Preferably, a protrusion is integrally formed on the inner wall of the collar, and limiting grooves are provided on the surfaces of the sleeve and the rotating rod.

[0008] Preferably, the protrusion is slidably connected to the inner wall of the limiting groove.

[0009] Preferably, the bevel gear two and the bevel gear three are both meshed with the bevel gear one.

[0010] Preferably, a protective shell is fixedly connected to the surface of the transmission pipe by bolts, and the protective shell cover is closed on the outside of the submersible motor.

[0011] 1. The beneficial effect of the utility model is as follows: the utility model drives the bevel gear 1 to rotate through the submersible motor, so that the bevel gear 1 drives the casing and the rotating rod to rotate through the bevel gear 2 and the bevel gear 3 respectively, so that the casing and the rotating rod drive the cutting blade to rotate through the collar, and then the two cutting blades can rotate coaxially in different directions and pre-crush the foreign matter entering the transmission pipe, so as to achieve the purpose of pre-crushing the foreign matter entering the pipeline to avoid the foreign matter blocking the inner cavity of the transmission pipeline.

[0012] 2. The utility model facilitates the installation and fixing of the collar by setting the bolt rod, thereby facilitating the disassembly and assembly of the collar during subsequent maintenance, and the structure is simple.

[0013] 3. The utility model limits the installation and fixation of the collar by using the protrusion and the limiting groove in coordination, thereby avoiding the occurrence of rotational displacement of the collar after installation.

[0014] 4. The utility model protects the submersible motor by setting a protective shell, thereby preventing hard objects in the river from hitting the submersible motor, thereby increasing the service life of the submersible motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] in:

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0017] Figure 2 This is an embodiment of the utility model Figure 1 A partial enlarged view of point A;

[0018] Figure 3 This is a three-dimensional schematic diagram of a support plate and a sleeve in one embodiment of the utility model;

[0019] Figure 4 The figure is a three-dimensional schematic diagram of a rotating rod and a sleeve ring according to an embodiment of the utility model.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Hull, 2. Transmission pipe, 3. Suction head, 4. Submersible motor, 5. Bevel gear 1, 6. Support plate, 7. Casing, 8. Rotating rod, 9. Ring, 10. Cutting blade, 11. Bolt rod, 12. Bump, 13. Limiting groove, 14. Bevel gear 2, 15. Bevel gear 3, 16. Casing. DETAILED DESCRIPTION

[0022] Hereinafter, embodiments of the river channel desilting equipment with a pre-crushing device of the present invention will be described with reference to the accompanying drawings.

[0023] Embodiment 1:

[0024] Figure 1-4 The utility model shows a river channel dredging device with a pre-crushing device according to an embodiment of the present invention, which includes a hull 1: a conveying pipe 2 is installed at the bottom of the hull 1, a suction head 3 is installed at the bottom end of the conveying pipe 2, a submersible motor 4 is fixedly installed on the surface of the conveying pipe 2 by bolts, the output shaft of the submersible motor 4 penetrates into the inner cavity of the conveying pipe 2 and is fixedly connected with a bevel gear 5, a support plate 6 is fixedly connected to the inner wall of the conveying pipe 2, a sleeve 7 is rotatably connected to the inner wall of the support plate 6, a rotating rod 8 is rotatably connected to the inner wall of the sleeve 7, a collar 9 is provided on the surface of the sleeve 7 and the rotating rod 8, a cutting blade 10 is welded on the surface of the collar 9, a bolt rod 11 is penetrated and provided on the outer side of the collar 9, and the end of the bolt rod 11 extends to the sleeve The inner cavity of the ring 9 is threadedly connected with the bolt rod 11, and the setting of the bolt rod 11 makes it easy to install and fix the ring 9, so as to facilitate the disassembly and assembly of the ring 9 during subsequent maintenance, and the structure is simple. The inner wall of the ring 9 is integrally formed with a protrusion 12, and the surfaces of the sleeve 7 and the rotating rod 8 are provided with a limiting groove 13. Through the coordinated use of the protrusion 12 and the limiting groove 13, the installation and fixation of the ring 9 are limited, and the rotation displacement of the ring 9 after installation is avoided. The protrusion 12 is slidably connected to the inner wall of the limiting groove 13, and the ends of the sleeve 7 and the rotating rod 8 are respectively fixedly connected with bevel gear 2 14 and bevel gear 3 15, and the rotating rod 8 is rotationally connected with bevel gear 2 14.

[0025] Embodiment 2:

[0026] Figure 1-4The utility model shows a river channel dredging device with a pre-crushing device according to an embodiment of the present invention, which comprises a hull 1: a conveying pipe 2 is installed at the bottom of the hull 1, a suction head 3 is installed at the bottom end of the conveying pipe 2, a submersible motor 4 is fixedly installed on the surface of the conveying pipe 2 by bolts, the output shaft of the submersible motor 4 penetrates the inner cavity of the conveying pipe 2 and is fixedly connected with a bevel gear 5, a support plate 6 is fixedly connected to the inner wall of the conveying pipe 2, a sleeve 7 is rotatably connected to the inner wall of the support plate 6, a rotating rod 8 is rotatably connected to the inner wall of the sleeve 7, and a collar 9 is provided on the surface of the sleeve 7 and the rotating rod 8. A cutting blade 10 is welded to the surface of the collar 9, and the ends of the sleeve 7 and the rotating rod 8 are respectively fixedly connected with bevel gear 2 14 and bevel gear 3 15, which are both meshed with bevel gear 1 5. The rotating rod 8 is rotatably connected to bevel gear 2 14, and a protective shell 16 is fixedly connected to the surface of the transmission pipe 2 by bolts. The protective shell 16 covers the outside of the submersible motor 4. By setting the protective shell 16, the submersible motor 4 is protected, thereby preventing hard objects in the river from hitting the submersible motor 4, thereby improving the service life of the submersible motor 4.

[0027] Working principle: When the utility model is used, the user sucks the silt at the bottom of the river into the conveying pipe 2 through the suction head 3. During this process, foreign objects such as branches or woven bags may enter the conveying pipe 2. At this time, the submersible motor 4 is turned on to drive the bevel gear 1 5 to rotate, so that the bevel gear 1 5 drives the casing 7 and the rotating rod 8 to rotate through the bevel gear 2 14 and the bevel gear 3 15 respectively, so that the casing 7 and the rotating rod 8 both drive the cutting blade 10 to rotate through the collar 9, and then the two cutting blades 10 can rotate coaxially in different directions and pre-crush the foreign objects entering the conveying pipe 2, reducing the possibility of foreign objects blocking the inner cavity of the conveying pipe 2, and realizing the pre-crushing of foreign objects entering the pipeline to avoid the situation where foreign objects block the inner cavity of the conveying pipeline.

[0028] To sum up: the river dredging equipment with a pre-crushing device drives the bevel gear 1 5 to rotate through the submersible motor 4, so that the bevel gear 1 5 drives the casing 7 and the rotating rod 8 to rotate through the bevel gear 2 14 and the bevel gear 3 15 respectively, so that the casing 7 and the rotating rod 8 both drive the cutting blade 10 to rotate through the collar 9, and then the two cutting blades 10 can rotate coaxially and in opposite directions and pre-crush the foreign matter entering the transmission pipe 2, so as to achieve the purpose of pre-crushing the foreign matter entering the pipeline to avoid the foreign matter clogging the inner cavity of the transmission pipeline.

Claims

1. A river channel dredging equipment with a pre-crushing device, characterized in that: The invention comprises a hull (1): a conveying pipe (2) is installed at the bottom of the hull (1), a suction head (3) is installed at the bottom end of the conveying pipe (2), a submersible motor (4) is fixedly installed on the surface of the conveying pipe (2) by means of bolts, an output shaft of the submersible motor (4) penetrates the inner cavity of the conveying pipe (2) and is fixedly connected to a bevel gear one (5), a support plate (6) is fixedly connected to the inner wall of the conveying pipe (2), a sleeve (7) is rotatably connected to the inner wall of the support plate (6), a rotating rod (8) is rotatably connected to the inner wall of the sleeve (7), a sleeve (9) is rotatably connected to the inner wall of the sleeve (7), a sleeve ring (9) is provided on the surface of the sleeve (7) and the rotating rod (8), a cutting blade (10) is welded on the surface of the sleeve ring (9), a bevel gear two (14) and a bevel gear three (15) are fixedly connected to the ends of the sleeve (7) and the rotating rod (8) respectively, and the rotating rod (8) is rotatably connected to the bevel gear two (14).

2. A river channel dredging equipment with a pre-crushing device according to claim 1, characterized in that: A bolt rod (11) is provided through the outer side of the collar (9), the end of the bolt rod (11) extends to the inner cavity of the collar (9), and the bolt rod (11) is threadedly connected to the collar (9).

3. A river channel dredging equipment with a pre-crushing device according to claim 2, characterized in that: The inner wall of the collar (9) is integrally formed with a protrusion (12), and the surfaces of the sleeve (7) and the rotating rod (8) are both provided with a limiting groove (13).

4. A river channel dredging equipment with a pre-crushing device according to claim 3, characterized in that: The protrusion (12) is slidably connected to the inner wall of the limiting groove (13).

5. A river channel dredging equipment with a pre-crushing device according to claim 4, characterized in that: The bevel gear 2 (14) and the bevel gear 3 (15) are both meshed with the bevel gear 1 (5).

6. A river channel dredging equipment with a pre-crushing device according to claim 5, characterized in that: A protective shell (16) is fixedly connected to the surface of the transmission pipe (2) by means of bolts, and the protective shell (16) covers the outside of the submersible motor (4).

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