Channel desilting device for municipal water conservancy project

Abstract

The utility model discloses a channel desilting device for municipal hydraulic engineering, which relates to the technical field of municipal hydraulic engineering and comprises a desilting pipeline, one end of the desilting pipeline is provided with a crushing component, and the interior of the desilting pipeline is provided with a sludge conveying component. And the crushing assembly comprises a rotating disc, a transmission rod is fixedly connected to the middle of one side of the rotating disc, and a crushing motor is fixedly connected to the end, away from the rotating disc, of the transmission rod. The crushing motor drives the rotating disc and the crushing teeth to rotate, sludge is stirred, impurities in the sludge are crushed, meanwhile, the spiral conveyor, the conveying belt and other assemblies are matched, the crushed sludge is conveyed and transferred in time, the sludge can be effectively cleaned in the dredging process, the dredging efficiency is improved, and the dredging effect is enhanced; and the closing plate separates the crushing motor from the crushing assembly, so that the crushing motor can be prevented from being influenced by excessive sludge, the effect of protecting the equipment is achieved, and the service life of the equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of municipal water conservancy, specifically relates to a channel dredging device for municipal water conservancy engineering. BACKGROUND

[0002] With the development of the times, the concept of environmental protection is more and more popular in people's minds; the construction speed of municipal water conservancy develops faster and faster, but in the problem of channel dredging of municipal water conservancy, due to the use of the present stage of the dredging tool process, such as vibration rod dredging or stirring shaft rotation dredging method, mixed with stagnant water and washed away, similar cleaning method is easy to be wrapped by sundries in the silt, causing slow silt cleaning and dredging, especially for silt accumulation in the pipe of relatively long length, silt cannot be pushed and dredged, therefore, a channel dredging device for municipal water conservancy engineering is needed to realize faster silt cleaning.

[0003] The prior art discloses a channel dredging device for municipal water conservancy engineering, which comprises a dredging pipeline, a crushing plate, a stirring knife, a pull rod and a conical pipeline.

[0004] However, the prior art is inconvenient for transferring silt after crushing and cleaning the silt, so that the silt is still accumulated in the channel, and additional equipment is needed to transfer the silt, which reduces the overall construction efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a channel dredging device for municipal water conservancy engineering to solve the problems in the background art.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of:

[0007] A channel dredging device for municipal water conservancy engineering, comprising a dredging pipeline, one end of the dredging pipeline is provided with a crushing assembly, and the inside of the dredging pipeline is provided with a silt conveying assembly.

[0008] The crushing assembly comprises a rotating disc, a transmission rod fixedly connected in one side of the rotating disc, a crushing motor fixedly connected to one end of the transmission rod away from the rotating disc, and crushing teeth fixedly connected to the side of the rotating disc away from the transmission rod.

[0009] The silt conveying assembly is used for conveying the silt cleaned by the crushing assembly into the inside of the dredging pipeline, and comprises a screw conveyor, the outer wall of the screw conveyor being rotatably sleeved with a conveying cylinder, and a conveying belt being arranged below one end of the conveying cylinder.

[0010] The further improvement of the technical scheme of the utility model lies in that the bottom surface of the conveying cylinder close to one end is provided with a discharging port.

[0011] The further improvement of the technical scheme of the utility model lies in that the outer wall of the conveying cylinder is fixedly connected with a conveying positioning frame, and the conveying positioning frame is fixedly connected to the inner wall of the dredging pipeline.

[0012] The further improvement of the technical scheme of the utility model lies in that the outer wall of the transmission rod is rotatably connected with a sealing plate through a sealing shaft, the sealing plate is located between the crushing assembly and the crushing motor, and the outer wall of the sealing plate is fixedly connected to the inner wall of the dredging pipeline.

[0013] The further improvement of the technical scheme of the utility model lies in that the upper surface of the dredging pipeline close to one end is provided with a receiving groove.

[0014] The further improvement of the technical scheme of the utility model lies in that the bottom surface of the dredging pipeline is fixedly connected with a movable bottom wheel, the top of the dredging pipeline close to one end is provided with a receiving groove, and the inner wall of the receiving groove is fixedly connected with a reinforcing rod.

[0015] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0016] The utility model provides a channel dredging device for municipal water conservancy project, through driving rotating disc and crushing teeth to rotate by crushing motor, stirring and crushing sundries in silt, and cooperation of screw conveyor, conveying belt and other components, conveying and transferring silt crushed in time, can effectively clean silt in the process of dredging, improve dredging efficiency and enhance dredging effect.

[0017] The utility model provides a channel dredging device for municipal water conservancy project, and the sealing plate blocks the crushing motor and the crushing assembly, can avoid that too much silt influences the crushing motor, plays the role of protecting equipment, prolongs equipment service life, and the receiving groove can receive silt when too much silt, makes silt enter screw conveyor import region quickly, guarantees the smooth progress of dredging work. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural detail schematic diagram of the utility model;

[0020] Figure 3 It is a crushing assembly structural schematic diagram of the utility model;

[0021] Figure 4 It is a right view structural schematic diagram of the utility model.

[0022] In the figure: 1, dredging pipeline; 2, crushing assembly; 3, receiving groove; 4, closing plate; 5, crushing motor; 6, screw conveyor; 7, conveying cylinder; 8, discharge port; 9, conveying belt; 10, conveying positioning frame; 11, reinforcing rod; 12, transmission rod; 13, rotary disc; 14, crushing tooth; 15, mobile bottom wheel. DETAILED DESCRIPTION

[0023] In the description of the utility model, it also needs to be explained that, unless there is explicit provision and limitation, the terms "arrangement", "installation", "connection" and "connection" should be broadly understood, for example, it can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through intermediate medium, and can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] The utility model will be further described in detail in combination with examples as follows:

[0025] Example 1

[0026] As shown in Figures 1-4 The utility model provides a channel dredging device for municipal water conservancy project, including dredging pipeline 1, the one end of dredging pipeline 1 is provided with crushing assembly 2, the inside of dredging pipeline 1 is provided with silt conveying assembly.

[0027] Crushing assembly 2 includes rotary disc 13, one side in rotary disc 13 is fixedly connected with transmission rod 12, the one end of transmission rod 12 away from rotary disc 13 is fixedly connected with crushing motor 5, and the one side of rotary disc 13 away from transmission rod 12 is fixedly connected with crushing tooth 14.

[0028] The model of the crushing motor 5 is Y160L-4, and the rated power is 15 kW, and the rated rotating speed is 1500 rpm. The motor has an overload protection function. When the load exceeds the rated value, the motor is automatically powered off to avoid damage. The control mode of the motor adopts variable frequency speed regulation. The rotating speed can be flexibly adjusted in the range of 500-1200 rpm according to the hardness and thickness of the sludge to achieve the best crushing effect. The motor is fixed outside the dredging pipeline 1 through a motor base. The motor base is connected with the dredging pipeline 1 by bolts. The number of connecting bolts is 4 to ensure firm installation.

[0029] The sludge conveying assembly is used to convey the sludge cleaned by the crushing assembly 2 to the inside of the dredging pipeline 1. The sludge conveying assembly includes a screw conveyor 6. The outer wall of the screw conveyor 6 is rotatably sleeved with a conveying cylinder 7. A conveying belt 9 is arranged below one end of the conveying cylinder 7. The screw blade of the screw conveyor 6 is made of manganese steel with a thickness of 8 mm, which has good wear resistance. The diameter of the screw blade is 30 cm, and the pitch is 25 cm. This design can ensure high conveying efficiency when conveying sludge. The length of the screw conveyor 6 is determined according to the internal dimensions of the dredging pipeline 1. Generally, it is 2-3 meters. Its two ends are fixed on the inner wall of the conveying cylinder 7 through bearing seats. The bearing seat adopts a sealed deep groove ball bearing with a model of 6206, which can effectively prevent sludge from entering the bearing interior and affecting the operation of the equipment. The driving motor of the screw conveyor 6 has a model of Y90L-4 and a rated power of 1.5 kW. It drives the main shaft of the screw conveyor 6 to rotate through a chain with a model of 12A and a pitch of 19.05 mm. The number of chain links is determined according to actual installation requirements. Generally, it is 80-120 links.

[0030] The rotating disc 13 is made of high-strength alloy steel with a diameter of 60 cm and a thickness of 10 cm to ensure that it can withstand large torque without deforming at high speed. Its surface is treated for wear resistance to further improve the service life. The fixed connection between the rotating disc 13 and the transmission rod 12 adopts high-strength bolt fastening. The number of bolts is 8, which are evenly distributed at the connection part to ensure stable connection and prevent loosening during high-speed rotation.

[0031] The crushing teeth 14 are made of hard alloy. Their shape can be manufactured as sharp triangles with a tooth tip angle of 60 degrees. This shape can efficiently cut into sludge and break down debris. The crushing teeth 14 are evenly distributed radially on the rotating disc 13. The included angle between adjacent crushing teeth is 30 degrees. The length of each crushing tooth is 15 cm, which gradually shortens from the edge of the rotating disc to the center to adapt to the crushing needs at different radii. The crushing teeth 14 are fixed on the rotating disc 13 by welding. The welding process adopts argon arc welding to ensure the welding strength and sealing to prevent falling off during work.

[0032] The bottom surface of the conveying cylinder 7 close to one end is provided with a discharging port 8. The conveying cylinder 7 is made of stainless steel and has a thickness of 5 mm, and has good corrosion resistance. The inner diameter of the conveying cylinder 7 is 5 cm larger than the diameter of the spiral blade of the spiral conveyor 6, so that the spiral blade can rotate freely in the cylinder without friction with the cylinder wall. The length of the conveying cylinder 7 is slightly longer than that of the spiral conveyor 6, generally 10-15 cm, and the two ends are fixed on the conveying positioning frame 10 by welding. The end of the conveying cylinder 7 close to the discharging port 8 is provided with a guide plate inside, and the guide plate is made of the same material as the conveying cylinder 7, and has an inclined arc shape with an angle of 45 degrees, which can guide the sludge to be smoothly discharged from the discharging port 8.

[0033] Example 2

[0034] As Figures 1-4 shown, on the basis of example 1, the utility model provides a technical scheme: preferably, the outer wall of the conveying cylinder 7 is fixedly connected with the conveying positioning frame 10, and the conveying positioning frame 10 is fixedly connected to the inner wall of the dredging pipeline 1.

[0035] The outer wall of the transmission rod 12 is rotatably connected with the sealing plate 4 through a sealing shaft, the sealing plate 4 is located between the crushing assembly 2 and the crushing motor 5, and the outer wall of the sealing plate 4 is fixedly connected with the inner wall of the dredging pipeline 1.

[0036] The sealing shaft is made of rubber sealing material and is provided with multiple sealing rings inside, and the material of the sealing ring is polytetrafluoroethylene, which can effectively prevent the sludge and water from entering the rotating connection between the transmission rod and the sealing plate 4, and ensure the normal operation of the transmission system. The outer diameter of the sealing shaft is 8 cm, and the inner diameter is matched with the transmission rod 12, and the sealing shaft is tightly sleeved on the transmission rod 12 through interference fit during installation.

[0037] The upper surface of the dredging pipeline 1 close to one end is provided with a receiving groove 3.

[0038] The bottom surface of the dredging pipeline 1 is fixedly connected with a mobile bottom wheel 15, and the top of the dredging pipeline 1 close to one end is provided with a receiving groove 3, and the inner wall of the receiving groove 3 is fixedly connected with a reinforcing rod 11.

[0039] The working principle of the channel dredging device for municipal water conservancy projects will be described below.

[0040] As Figures 1-4 shown, in use, the external power source starts the crushing motor 5, at this time the crushing motor 5 drives the rotating disc 13 to rotate through the transmission rod 12, and the rotating disc 13 drives the crushing teeth 14 to rotate, and the sludge is stirred, and the impurities are crushed at the same time.

[0041] In the process of stirring the sludge by the crushing assembly 2, the screw conveyor 6 is started to convey the crushed sludge and pour the sludge into the conveying belt 9 through the discharge port 8, and the conveying belt 9 is started to convey the sludge poured by the screw conveyor 6 to the tail of the dredging pipeline 1, so that the sludge can be conveyed and transferred in the process of dredging, and the dredging efficiency and effect are improved.

[0042] The receiving groove 3 can receive the sludge when the sludge is too much, so that the sludge can quickly enter the inlet area of the screw conveyor 6. The closure plate 4 can block the crushing motor 5 and the crushing assembly 2 to avoid the influence of too much sludge.

[0043] The above is a detailed description of the general utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A channel dredging device for municipal water conservancy projects, comprising a dredging pipe (1), characterized in that: One end of the dredging pipe (1) is provided with a crushing component (2), and the inside of the dredging pipe (1) is provided with a sludge conveying component; The crushing assembly (2) includes a rotating disk (13), a transmission rod (12) is fixedly connected to the middle of one side of the rotating disk (13), a crushing motor (5) is fixedly connected to the end of the transmission rod (12) away from the rotating disk (13), and crushing teeth (14) are fixedly connected to the side of the rotating disk (13) away from the transmission rod (12). The sludge conveying assembly is used to convey the sludge cleaned by the crushing assembly (2) to the interior of the sludge dredging pipe (1). The sludge conveying assembly includes a screw conveyor (6), and a conveying cylinder (7) is rotatably sleeved on the outer wall of the screw conveyor (6). A conveyor belt (9) is provided below one end of the conveying cylinder (7).

2. The channel dredging device for municipal water conservancy projects according to claim 1, characterized in that: The conveying cylinder (7) has a discharge port (8) on its bottom surface near one end.

3. The channel dredging device for municipal water conservancy projects according to claim 1, characterized in that: The outer wall of the conveying cylinder (7) is fixedly connected to a conveying positioning frame (10), which is fixedly connected to the inner wall of the dredging pipe (1).

4. The channel dredging device for municipal water conservancy projects according to claim 1, characterized in that: The outer wall of the transmission rod (12) is rotatably connected to a sealing plate (4) via a sealing shaft. The sealing plate (4) is located between the crushing assembly (2) and the crushing motor (5). The outer wall of the sealing plate (4) is fixedly connected to the inner wall of the dredging pipe (1).

5. A channel dredging device for municipal water conservancy projects according to claim 1, characterized in that: The dredging pipe (1) has a receiving groove (3) on the upper surface near one end.

6. A channel dredging device for municipal water conservancy projects according to claim 1, characterized in that: The bottom surface of the dredging pipe (1) is fixedly connected with a movable bottom wheel (15), and a receiving groove (3) is opened at the top of the dredging pipe (1) near one end. A reinforcing rod (11) is fixedly connected to the inner wall of the receiving groove (3).

Images