Dredging suction head

Abstract

The utility model relates to the technical field of hydraulic engineering, in particular to a dredging suction head which comprises a dredging suction pipe, a mounting seat is fixedly connected to the front end of the dredging suction pipe, a mounting groove is formed in the front end of the mounting seat, limiting grooves are formed in the left portion and the right portion of the outer surface of the mounting seat, and the two limiting grooves are communicated with the interior of the mounting groove. And a mounting mechanism is connected into the mounting groove in a clamping manner. According to the dredging suction head, the suction head can be conveniently and rapidly installed, labor and time cost consumption caused by tedious installation and disassembly is reduced, equipment replacement and adjustment time can be shortened, dredging operation can be conducted more coherently, the engineering period is shortened, and the working efficiency is improved. Different types of suction heads can be rapidly switched according to different dredging tasks and working conditions, the suction head can better adapt to the complex and changeable underwater environment, when the suction head breaks down or needs to be maintained, the suction head can be rapidly detached for treatment, and the overall construction progress is not delayed.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy engineering, in particular to a dredging suction head. Background Art

[0002] The dredging suction head is an important component of dredging equipment. It is usually installed on dredging vessels such as dredgers and silt clearing ships to suck up silt, sand, rocks and other materials from the bottom of the water.

[0003] During the use of the existing dredging suction head, the dredging suction head is generally installed on the dredging suction pipe by bolts, which is cumbersome to install and easy to cause blockage. It is inconvenient to disassemble, dredge or repair and maintain it. Therefore, we have launched a new dredging suction head. Utility Model Content

[0004] The main purpose of the utility model is to provide a dredging suction head, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A dredging suction head comprises a dredging suction pipe, wherein a mounting seat is fixedly connected to the front end of the dredging suction pipe, a mounting slot is provided at the front end of the mounting seat, limiting slots are provided on the left and right parts of the outer surface of the mounting seat, both limiting slots are communicated with the interior of the mounting slot, a mounting mechanism is snap-connected to the interior of the mounting slot, a connecting tube is fixedly connected to the front end of the mounting mechanism, and a suction mechanism is fixedly connected to the front end of the connecting tube.

[0007] Preferably, the mounting mechanism includes a mounting ring, a sealing ring is fixedly connected to the rear end of the mounting ring, movable grooves are provided in the inner left and right parts of the mounting ring, sliding grooves are provided in the upper groove walls and lower groove walls of the two movable grooves, springs are fixedly connected to the inner walls of the two movable grooves, movable blocks are fixedly connected to the ends of the two springs away from the inner walls of the movable grooves, sliders are fixedly connected to the upper and lower ends of the two movable blocks, and limited blocks are fixedly connected to the ends of the two movable blocks away from the springs.

[0008] Preferably, the mounting ring is snap-connected with the mounting groove, and the front end of the mounting ring is fixedly connected with the connecting tube, and the outer surfaces of the two movable blocks are movably connected with the inner walls of the two movable grooves respectively.

[0009] By adopting the above technical solution: the mounting ring is snap-fitted into the mounting groove, so that the suction head can be initially mounted.

[0010] Preferably, the rear end of the sealing ring is tightly fitted with the rear wall of the installation groove, and the four sliding blocks are respectively slidably connected with the corresponding sliding grooves.

[0011] By adopting the above technical solution: the sealing ring is in close contact with the rear groove wall of the installation groove, so as to provide connection sealing.

[0012] Preferably, the two limit blocks are respectively connected through the two movable grooves, and one end of the two limit blocks away from the movable block is respectively connected through the two limit grooves.

[0013] By adopting the above technical solution: the two limit blocks are inserted and popped out from the two limit grooves respectively, so that the suction head can be easily and quickly installed.

[0014] Preferably, the suction mechanism comprises a suction head, a filter screen is arranged on the inner wall of the suction head, a plurality of elastic rods are fixedly connected to the front end of the suction head, and a bottoming ring is fixedly connected to the front ends of the plurality of elastic rods.

[0015] Preferably, the rear end of the suction head is fixedly connected to the connecting tube, and the filter screen is located at the front inner part of the suction head.

[0016] By adopting the above technical solution: the filter net can effectively block larger stones, garbage and other impurities from entering the dredging system, avoid damage to the equipment, extend the service life of the equipment, prevent excessive impurities from being mixed with silt and being sucked away, make the dredged material purer, and improve the dredging effect.

[0017] Preferably, the plurality of elastic rods are distributed in a ring array.

[0018] By adopting the above technical solution: when the suction head contacts the bottom of the water, the elastic rod can play a buffering effect, reduce the direct hard collision between the suction head and the bottom of the water, reduce the impact and wear on the suction head and related components, and extend its service life.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1. By placing the suction head in front of the mounting seat and pressing the two limit blocks into the two movable grooves respectively, the two limit blocks squeeze the spring and move into the two movable grooves, and then the mounting ring is clamped into the mounting groove, so that the sealing ring fits tightly with the rear groove wall of the mounting groove, the sealing of the installation connection can be improved. At the same time, the two limit blocks pop out from the two limit grooves respectively under the elastic reset of the spring, so that the suction head can be easily and quickly installed, reducing the labor and time cost consumption caused by the cumbersome installation and disassembly, and can reduce the equipment replacement and adjustment time, so that the dredging operation can be carried out more coherently, shortening the engineering cycle, and can quickly switch different types of suction heads according to different dredging tasks and working conditions, so as to better adapt to the complex and changeable underwater environment. When the suction head fails or needs maintenance, it can be quickly disassembled for processing without delaying the overall construction progress;

[0021] 2. By setting a filter inside the suction head, it can effectively block larger stones, garbage and other impurities from entering the dredging system, avoid damage to the equipment, extend the service life of the equipment, prevent excessive impurities from being mixed with silt and other impurities and being sucked up, make the dredged materials purer, improve the dredging effect, and prevent large particles of impurities from entering subsequent transportation pipelines, treatment facilities, etc., reduce the probability of blockage and failure, and set an elastic rod and a bottom ring under the suction head. When the suction head touches the bottom of the water, the elastic rod can play a buffering effect, reduce the direct hard collision between the suction head and the bottom of the water, reduce the impact and wear of the suction head and related components, and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a dredging suction head of the utility model;

[0023] Figure 2 This is a schematic diagram of the disassembly structure of a dredging suction head of the utility model;

[0024] Figure 3 This is a schematic diagram of the overall structure of a mounting mechanism of a dredging suction head of the utility model;

[0025] Figure 4 The utility model is a schematic diagram of the overall structure of the suction mechanism of the dredging suction head.

[0026] In the figure: 1. dredging suction pipe; 2. mounting seat; 3. mounting groove; 4. limiting groove; 5. mounting mechanism; 51. mounting ring; 52. sealing ring; 53. movable groove; 54. slide groove; 55. spring; 56. movable block; 57. slider; 58. limiting block; 6. connecting tube; 7. suction mechanism; 71. suction head; 72. filter screen; 73. elastic rod; 74. bottoming ring. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0028] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] See also Figure 1-4 , the utility model provides a technical solution:

[0031] A dredging suction head comprises a dredging suction pipe 1, the front end of which is fixedly connected to a mounting seat 2, the front end of which is provided with a mounting groove 3, the left and right outer surfaces of the mounting seat 2 are provided with limiting grooves 4, the two limiting grooves 4 are both connected to the inside of the mounting groove 3, the inside of the mounting groove 3 is snap-connected with a mounting mechanism 5, the front end of the mounting mechanism 5 is fixedly connected to a connecting tube 6, and the front end of the connecting tube 6 is fixedly connected to a suction mechanism 7.

[0032] In this embodiment, the mounting mechanism 5 includes a mounting ring 51, a sealing ring 52 is fixedly connected to the rear end of the mounting ring 51, a movable groove 53 is provided in the left and right parts of the mounting ring 51, and a sliding groove 54 is provided in the upper and lower groove walls of the two movable grooves 53. The inner walls of the two movable grooves 53 are fixedly connected with springs 55, and the ends of the two springs 55 away from the inner walls of the movable grooves 53 are fixedly connected with movable blocks 56, and the upper and lower ends of the two movable blocks 56 are fixedly connected with sliders 57, and the two movable blocks 56 are away from the springs 55. One end of each is fixedly connected to a limiting block 58, the mounting ring 51 is snap-connected to the mounting groove 3, and the front end of the mounting ring 51 is fixedly connected to the connecting tube 6, the outer surfaces of the two movable blocks 56 are movably connected to the inner walls of the two movable grooves 53 respectively, the rear end of the sealing ring 52 is tightly fitted with the rear groove wall of the mounting groove 3, the four sliding blocks 57 are slidably connected to the corresponding sliding grooves 54 respectively, the two limiting blocks 58 are respectively inserted and connected with the two movable grooves 53, and the ends of the two limiting blocks 58 away from the movable blocks 56 are respectively inserted and connected with the two limiting grooves 4.

[0033] Through the above scheme: by placing the suction head 71 in front of the mounting seat 2, and pressing the two limit blocks 58 into the two movable grooves 53 respectively, the two limit blocks 58 squeeze the spring 55 and move into the two movable grooves 53, and then the mounting ring 51 is snapped into the mounting groove 3, so that the sealing ring 52 fits tightly with the rear groove wall of the mounting groove 3, the sealing performance of the installation connection can be improved, and at the same time, the two limit blocks 58 are respectively popped out from the two limit grooves 4 under the elastic reset of the spring 55, so that the suction head 71 is convenient for quick installation, reducing the labor and time cost consumption caused by the cumbersome installation and disassembly, and can quickly switch different types of suction heads according to different dredging tasks and working conditions, better adapt to the complex and changeable underwater environment, and when the suction head fails or needs maintenance, it can be quickly disassembled for processing without delaying the overall construction progress.

[0034] In this embodiment, the suction mechanism 7 includes a suction head 71, a filter screen 72 is arranged on the inner wall of the suction head 71, a plurality of elastic rods 73 are fixedly connected to the front end of the suction head 71, a bottoming ring 74 is fixedly connected to the front ends of the plurality of elastic rods 73, the rear end of the suction head 71 is fixedly connected to the connecting tube 6, the filter screen 72 is located in the front inner part of the suction head 71, and the plurality of elastic rods 73 are distributed in a circular array.

[0035] Through the above scheme: by setting a filter net 72 inside the suction head 71, it can effectively block larger stones, garbage and other impurities from entering the dredging system, avoid damage to the equipment, extend the service life of the equipment, prevent excessive impurities from being mixed with silt and the like and being sucked up, make the dredged material purer, improve the dredging effect, avoid large particles of impurities from entering subsequent transportation pipelines, processing facilities, etc., reduce the probability of blockage and failure, and an elastic rod and a bottom contact ring are set under the suction head. When the suction head 71 contacts the bottom of the water, the elastic rod 73 can play a buffering effect, reduce the direct hard collision between the suction head 71 and the bottom of the water, reduce the impact and wear of the suction head 71 and related components, and extend its service life.

[0036] It should be noted that the utility model is a dredging suction head. During use, first, align the suction head 71 with the front end of the mounting seat 2, then press the two limit blocks 58 inward to move it along the direction of the movable groove 53 and compress the spring 55, and then accurately snap the mounting ring 51 into the mounting groove 3 to ensure that the sealing ring 52 is tightly fitted with the rear groove wall of the mounting groove 3, thereby enhancing the sealing performance of the installation connection. When the mounting ring 51 is successfully inserted, due to the elastic force of the spring 55, the two limit blocks 58 will automatically pop out of the limit groove 4 to lock the mounting ring 51, thereby realizing the rapid installation of the suction head 71, which not only simplifies the steps of installation and disassembly, but also greatly reduces the labor and time costs consumed by cumbersome operations. In dredging operations, being able to quickly replace and adjust equipment components is crucial to improving work efficiency. Through the installation mechanism, the replacement of the suction head 71 can be completed in a short time, reducing the equipment replacement and adjustment time, and ensuring that dredging operations can be carried out continuously and efficiently. In addition, in order to meet the needs of different dredging tasks and working conditions, different types of suction heads 71 ​​can be quickly switched according to actual needs to adapt to the complex and changeable underwater environment. A filter screen 72 is arranged inside the suction head 71. The filter screen 72 can effectively block larger stones, garbage and other impurities from entering the dredging system, thereby avoiding damage to the equipment and extending the service life of the equipment. At the same time, it can also prevent excessive impurities from being mixed with silt and the like and being sucked up, making the dredged material purer and improving the dredging effect. An elastic rod 73 and a bottom contact ring 74 are also installed under the suction head 71. When the suction head 71 contacts the bottom of the water, the elastic rod 73 can play a buffering role, reducing the direct hard collision between the suction head 71 and the bottom of the water, thereby reducing the impact and wear on the equipment and extending its service life. In general, the entire dredging suction head not only improves the working efficiency and safety of the dredging equipment, but also reduces the maintenance cost of the equipment, providing a strong guarantee for the smooth progress of the dredging project.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A dredging suction head, comprising a dredging suction pipe (1), characterized in that: The front end of the dredging suction pipe (1) is fixedly connected to a mounting seat (2), the front end of the mounting seat (2) is provided with a mounting groove (3), the left and right outer surfaces of the mounting seat (2) are provided with limiting grooves (4), the two limiting grooves (4) are both connected to the inside of the mounting groove (3), the inside of the mounting groove (3) is snap-fitted with a mounting mechanism (5), the front end of the mounting mechanism (5) is fixedly connected to a connecting tube (6), and the front end of the connecting tube (6) is fixedly connected to a suction mechanism (7); The mounting mechanism (5) comprises a mounting ring (51), a sealing ring (52) is fixedly connected to the rear end of the mounting ring (51), a movable groove (53) is provided at the inner left and inner right parts of the mounting ring (51), a sliding groove (54) is provided at the upper groove wall and the lower groove wall of the two movable grooves (53), a spring (55) is fixedly connected to the inner groove wall of the two movable grooves (53), one end of the two springs (55) away from the inner groove wall of the movable groove (53) is fixedly connected to a movable block (56), the upper and lower ends of the two movable blocks (56) are fixedly connected to a sliding block (57), and one end of the two movable blocks (56) away from the spring (55) is fixedly connected to a limiting block (58).

2. A dredging suction head according to claim 1, characterized in that: The mounting ring (51) is snap-connected with the mounting groove (3), and the front end of the mounting ring (51) is fixedly connected with the connecting tube (6), and the outer surfaces of the two movable blocks (56) are movably connected with the inner walls of the two movable grooves (53) respectively.

3. A dredging suction head according to claim 1, characterized in that: The rear end of the sealing ring (52) is tightly fitted with the rear groove wall of the installation groove (3), and the four sliding blocks (57) are respectively slidably connected with the corresponding sliding grooves (54).

4. A dredging suction head according to claim 1, characterized in that: The two limit blocks (58) are respectively connected through the two movable grooves (53), and one end of the two limit blocks (58) away from the movable block (56) is respectively connected through the two limit grooves (4).

5. The dredging suction head according to claim 1, characterized in that: The suction mechanism (7) comprises a suction head (71), the inner wall of which is provided with a filter screen (72), a front end of which is fixedly connected to a plurality of elastic rods (73), and a bottom contact ring (74) is commonly fixedly connected to the front ends of the plurality of elastic rods (73).

6. A dredging suction head according to claim 5, characterized in that: The rear end of the suction head (71) is fixedly connected to the connecting tube (6), and the filter screen (72) is located at the front part inside the suction head (71).

7. A dredging suction head according to claim 5, characterized in that: The plurality of elastic rods (73) are distributed in a ring array.

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