Municipal engineering ditch sludge removing device

Abstract

The invention discloses a municipal engineering ditch sludge removing device, and relates to the technical field of sludge removing devices.The municipal engineering ditch sludge removing device comprises a crawler-type vehicle body, a material box is fixedly installed at the top of the crawler-type vehicle body, a positioning frame is fixedly installed in an inner cavity of the material box, and a fixing support is fixedly installed on one side of the material box; according to the municipal engineering ditch sludge removing device, the sludge removing unit is arranged, the output ends of the two sides of a double-shaft motor are used for driving two first gears to rotate, the angle of the adjusting support and the angle of the first auger rod can be adjusted, the sludge removing efficiency is improved, and the sludge removing efficiency is improved. After the first auger rod rotates to a designated position, the output end of the first motor drives the first auger rod to rotate, the interior of the ditch can be scattered, then the scattered sludge is pumped into the material box through the first sludge pump, the sludge can be temporarily stored, and therefore follow-up sludge conveying and discharging are facilitated.

Description

Technical Field

[0001] The present invention belongs to the technical field of silt removal devices, and particularly relates to a silt removal device for ditches in municipal engineering. Background Art

[0002] As an important part of the urban drainage system, municipal engineering ditches are responsible for collecting and transporting rainwater and sewage. They are key links in the urban water cycle and play an important role in maintaining the urban ecological balance, preventing waterlogging, and protecting water resources. With the acceleration of the urbanization process, the problem of ditch silt has become increasingly prominent, and it is necessary to use dredging devices to dredge it.

[0003] Traditional dredging methods mainly rely on manual labor and simple machinery, such as using equipment like excavators and bulldozers for dredging. This method is inefficient, has a large labor intensity, and is difficult to adapt to complex underwater environments and terrains. At the same time, secondary pollution may occur during manual dredging, which has a negative impact on water quality and the ecosystem.

[0004] Combining the above problems, we will find that when the existing silt removal devices on the market are in use, it is very difficult to avoid the above-mentioned problems at the same time. And even if they can be solved, external tools need to be used in cooperation to solve them, thus failing to achieve the desired effect. Therefore, we propose a silt removal device for ditches in municipal engineering. Summary of the Invention

[0005] In order to solve the above problems existing in the prior art, the purpose of the present invention is to provide a silt removal device for ditches in municipal engineering to solve the problems raised in the above background art.

[0006] The technical solution adopted by the present invention is as follows:

[0007] A silt removal device for ditches in municipal engineering, including a crawler vehicle body. A material box is fixedly installed on the top of the crawler vehicle body. A positioning frame is fixedly installed in the inner cavity of the material box. A fixed bracket is fixedly installed on one side of the material box. A first sludge pump is fixedly installed inside the fixed bracket. The output end of the first sludge pump is fixedly communicated with a discharge pipe. One end of the discharge pipe extends into the inner cavity of the material box. A silt cleaning and extending mechanism is arranged in the inner cavity of the positioning frame;

[0008] The silt cleaning and extending mechanism includes a silt cleaning unit, which is arranged inside the positioning frame and is used for dispersing the silt;

[0009] The silt cleaning and extending mechanism further includes an extending unit, which is arranged on one side of the material box and is used in cooperation with the silt cleaning unit to expand the silt cleaning range;

[0010] The surface of the material box is provided with a material conveying and discharging mechanism, and the material conveying and discharging mechanism is used in conjunction with a dredging and extension mechanism, and the material conveying and discharging mechanism is used to discharge the sludge inside the material box.

[0011] As a preferred embodiment of the present invention, the dredging unit includes a dual-axis motor, which is fixedly installed in the inner cavity of the positioning frame, and the output ends on both sides of the dual-axis motor pass through the positioning frame and are fixedly connected to the first gear, the surface of the first gear is meshingly connected to the second gear, and the number of the second gears is two, and a transmission rod is fixedly connected between the opposite sides of the two second gears, and the surface movable sleeve of the transmission rod is provided with two limit blocks, one side of the limit block is fixedly connected to the surface of the material box, and the surface fixed sleeve of the transmission rod is provided with an adjustment bracket, and one side of the adjustment bracket is fixedly installed with the first motor, the output end of the first motor passes through the inner side of the adjustment bracket and is fixedly connected to the first auger rod, and one end of the first auger rod passes through the outer side of the adjustment bracket and is fixedly connected to the first synchronous wheel.

[0012] As a preferred solution of the present invention, the surface fixing sleeve of the first motor is provided with a positioning ring, and one side of the positioning ring is fixedly connected to the surface of the adjusting bracket.

[0013] As a preferred embodiment of the present invention, the extension unit includes a guide shell, which is fixedly mounted on the surface of the adjusting bracket, and a positioning rod is rotatably mounted in the inner cavity of the guide shell, both ends of the positioning rod are fixedly connected with a first bevel gear, the surface of the first bevel gear is meshingly connected with a second bevel gear, the bottom of the second bevel gear is fixedly connected with a second auger rod, the surface of the second auger rod is rotatably connected with a limit plate through a bearing, one side of the limit plate is fixedly connected to the surface of the guide shell, the surface of the positioning rod is fixedly sleeved with a second synchronous wheel, and the surface of the second synchronous wheel is transmission connected to the first synchronous wheel through a belt.

[0014] As a preferred embodiment of the present invention, the bottom of the second auger rod is rotatably connected to a limit rod via a bearing, the inner cavity of the limit rod is slidably connected to a guide frame via an axle pin, a retaining frame is fixedly installed on one side of the guide frame, and one side of the retaining frame is fixedly connected to the surface of the material box.

[0015] As a preferred embodiment of the present invention, the feeding and discharging mechanism includes a positioning plate and a second motor. Both the positioning plate and the second motor are fixedly installed on the surface of the material box. A second sludge pump is fixedly installed on the top of the positioning plate. The input end of the second sludge pump is fixedly communicated with a guide pipe. One end of the guide pipe penetrates into the inner cavity of the material box. The output end of the second motor penetrates into the inner cavity of the material box and is fixedly connected to a first stirring rod. One end of the first stirring rod penetrates to the outside of the material box and is fixedly connected to a third synchronous pulley. The surface of the third synchronous pulley is connected to a fourth synchronous pulley through a belt. One side of the fourth synchronous pulley is fixedly connected to a second stirring rod. One end of the second stirring rod penetrates to the inner wall of the material box and is rotatably connected to the inner wall of the material box through a bearing. Stirring blades are fixedly sleeved on the surfaces of the first stirring rod and the second stirring rod. The stirring blades are located in the inner cavity of the material box. The number of the stirring blades is several.

[0016] As a preferred embodiment of the present invention, two support frames are fixedly connected to the bottom of the positioning plate. One side of the support frame is fixedly connected to the surface of the material box.

[0017] As a preferred embodiment of the present invention, a connecting flange is fixedly sleeved on the surface of the output end of the second sludge pump. The material of the connecting flange is metal.

[0018] As a preferred embodiment of the present invention, a flow guide plate is fixedly installed in the inner cavity of the material box. The flow guide plate is located at the bottom of the stirring blades.

[0019] As a preferred embodiment of the present invention, a limit sleeve is movably sleeved on the surface of the discharge pipe. The limit sleeve is fixedly installed on the top of the positioning frame.

[0020] The beneficial effects of the present invention are as follows:

[0021] 1. By setting the dredging unit, the two first gears are driven to rotate by the output ends on both sides of the double-shaft motor, so that the angles of the adjusting bracket and the first auger rod can be adjusted. After the first auger rod rotates to the specified position, the output end of the first motor drives the first auger rod to rotate, so that the inside of the ditch can be broken up. Subsequently, the first sludge pump is used to pump the broken-up sludge into the material box, and the sludge can be temporarily stored, thus facilitating the subsequent transportation and discharge of the sludge.

[0022] 2. By setting the extension unit, when the first auger rod in the dredging unit rotates, it will drive the two second auger rods to rotate. The second auger rods arranged on both sides can be used to clean the sludge on both sides of the ditch, thereby improving the cleaning efficiency and quality of the ditch sludge.

[0023] 3. By setting up the feeding and discharging mechanism, the present invention can drive the first stirring rod, the second stirring rod and the stirring blades to rotate by means of the second motor, so as to break up the sludge inside the material box. Subsequently, the second sludge pump is used to extract and transport the sludge inside the material box to the connected pipeline, enabling centralized storage of the sludge and avoiding secondary pollution caused by sludge discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 is a cross-sectional view of the overall structure of the present invention;

[0026] Figure 3 is a cross-sectional view of the sludge cleaning and extending mechanism of the present invention;

[0027] Figure 4 is a schematic diagram of the structure of the extending unit of the present invention;

[0028] Figure 5 is a schematic diagram of the structure of the material box and the feeding and discharging mechanism of the present invention;

[0029] Figure 6 is a schematic diagram of the structure of the conveying and discharging mechanism and the guide plate of the present invention.

[0030] In the figure: 1 - crawler vehicle body; 11 - material box; 12 - positioning frame; 13 - fixed bracket; 14 - first sludge pump; 15 - discharge pipe; 16 - guide plate; 17 - limit sleeve; 2 - sludge cleaning and extending mechanism; 21 - sludge cleaning unit; 2101 - double-shaft motor; 2102 - first gear; 2103 - second gear; 2104 - transmission rod; 2105 - limit block; 2106 - adjusting bracket; 2107 - first motor; 2108 - first auger rod; 2109 - first synchronous pulley; 2110 - positioning ring; 22 - extending unit; 2201 - guide housing; 2202 - positioning rod; 2203 - first bevel gear; 2204 - second bevel gear; 2205 - second auger rod; 2206 - limit plate; 2207 - second synchronous pulley; 2208 - limit rod; 2209 - guide frame; 2210 - retaining frame; 3 - feeding and discharging mechanism; 301 - positioning plate; 302 - second motor; 303 - second sludge pump; 304 - guide pipe; 305 - first stirring rod; 306 - third synchronous pulley; 307 - fourth synchronous pulley; 308 - second stirring rod; 309 - stirring blade; 310 - support frame; 311 - connecting flange. DETAILED DESCRIPTION OF THE INVENTION

[0031] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. The components of the embodiments of the present invention described and illustrated herein can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention. It should be noted that, without conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0033] Embodiment 1:

[0034] As Figures 1 to 6 shown, the present invention provides a technical solution: a device for removing silt from a ditch in a municipal engineering project, including a crawler vehicle body 1. A material box 11 is fixedly installed on the top of the crawler vehicle body 1. A positioning frame 12 is fixedly installed in the inner cavity of the material box 11. A fixed bracket 13 is fixedly installed on one side of the material box 11. A first sludge pump 14 is fixedly installed inside the fixed bracket 13. The output end of the first sludge pump 14 is fixedly connected to a discharge pipe 15. One end of the discharge pipe 15 extends into the inner cavity of the material box 11. A silt removal extension mechanism 2 is arranged in the inner cavity of the positioning frame 12;

[0035] The silt removal extension mechanism 2 includes a silt removal unit 21. The silt removal unit 21 is arranged inside the positioning frame 12 and is used for dispersing the silt.

[0036] As a further limitation of the dredging extension mechanism 2 of the present invention, the dredging unit 21 includes a biaxial motor 2101. The biaxial motor 2101 is fixedly installed in the inner cavity of the positioning frame 12. The output ends on both sides of the biaxial motor 2101 penetrate through the positioning frame 12 and are fixedly connected with first gears 2102. The surfaces of the first gears 2102 are meshed with second gears 2103. The number of the second gears 2103 is two. A transmission rod 2104 is fixedly connected between the opposite sides of the two second gears 2103. Two limit blocks 2105 are movably sleeved on the surface of the transmission rod 2104. One side of the limit block 2105 is fixedly connected with the surface of the material box 11. An adjustment bracket 2106 is fixedly sleeved on the surface of the transmission rod 2104. A first motor 2107 is fixedly installed on one side of the adjustment bracket 2106. The output end of the first motor 2107 penetrates to the inner side of the adjustment bracket 2106 and is fixedly connected with a first auger rod 2108. One end of the first auger rod 2108 penetrates to the outer side of the adjustment bracket 2106 and is fixedly connected with a first synchronous pulley 2109; by setting the dredging unit 21, the output ends on both sides of the biaxial motor 2101 are used to drive the two first gears 2102 to rotate, so as to adjust the angles of the adjustment bracket 2106 and the first auger rod 2108. After the first auger rod 2108 rotates to a specified position, the output end of the first motor 2107 drives the first auger rod 2108 to rotate, so as to disperse the inside of the ditch. Then, the first mud pump 14 is used to pump the dispersed silt into the material box 11, so as to temporarily store the silt, thus facilitating the subsequent transportation and discharge of the silt.

[0037] A positioning ring 2110 is fixedly sleeved on the surface of the first motor 2107. One side of the positioning ring 2110 is fixedly connected with the surface of the adjustment bracket 2106; by setting the positioning ring 2110, the first motor 2107 can be fixed, thereby improving the stability of the use of the first motor 2107.

[0038] The specific implementation method of this embodiment is as follows: when in use, the staff puts the dredging equipment into the ditch, and then uses the external control switch to start the dual-axis motor 2101, the output ends on both sides of the dual-axis motor 2101 drive the two first gears 2102 to rotate, the two first gears 2102 drive the two second gears 2103 to rotate when rotating, the two second gears 2103 drive the transmission rod 2104 to rotate when rotating, the transmission rod 2104 drives the adjustment bracket 2106 to rotate when rotating, and the adjustment bracket 2106 drives the first auger rod 2108 to move when rotating, which can be used for The height of the first auger rod 2108 is adjusted. When the first auger rod 2108 rotates to the specified position, the staff uses the external control switch to start the crawler body 1 and the first motor 2107. The crawler body 1 drives the material box 11 and the dredging extension mechanism 2 to move inside the ditch. The output end of the first motor 2107 drives the first auger rod 2108 and the first synchronous wheel 2109 to rotate, which can break up the sludge inside the ditch. Then the first mud pump 14 is started, and the first mud pump 14 extracts the broken up sludge into the inner cavity of the material box 11, thereby realizing temporary storage of the sludge and facilitating subsequent sludge transportation and discharge.

[0039] Embodiment 2:

[0040] like Figures 1 to 4 As shown, the present invention provides a technical solution: a municipal engineering ditch silt removal device. The present invention makes corresponding improvements to the technical problems mentioned in the background technology. The dredging extension mechanism 2 also includes an extension unit 22, and the extension unit 22 is arranged on one side of the material box 11. The extension unit 22 is used in conjunction with the dredging unit 21, and the extension unit 22 is used to expand the dredging range.

[0041] As a further limitation of the dredging extension mechanism 2 of the present invention, the extension unit 22 includes a guide shell 2201, which is fixedly mounted on the surface of the adjustment bracket 2106, and a positioning rod 2202 is rotatably mounted in the inner cavity of the guide shell 2201. Both ends of the positioning rod 2202 are fixedly connected to a first bevel gear 2203, and the surface of the first bevel gear 2203 is meshingly connected to a second bevel gear 2204. The bottom of the second bevel gear 2204 is fixedly connected to a second auger rod 2205, and the surface of the second auger rod 2205 is rotatably connected to the limited The positioning plate 2206, one side of the limit plate 2206 is fixedly connected to the surface of the guide shell 2201, the surface of the positioning rod 2202 is fixedly sleeved with a second synchronous wheel 2207, and the surface of the second synchronous wheel 2207 is connected to the first synchronous wheel 2109 through a belt transmission; by setting the extension unit 22, when the first auger rod 2108 in the dredging unit 21 rotates, it will drive the two second auger rods 2205 to rotate, and the second auger rods 2205 set on both sides can be used to clean the silt on both sides of the ditch, thereby improving the cleaning efficiency and quality of the ditch silt.

[0042] The bottom of the second auger rod 2205 is rotatably connected to a limit rod 2208 through a bearing. A guide frame 2209 is slidably connected to the inner cavity of the limit rod 2208 through a pin. A retaining frame 2210 is fixedly installed on one side of the guide frame 2209. One side of the retaining frame 2210 is fixedly connected to the surface of the material box 11. By arranging the cooperation of the limit rod 2208, the guide frame 2209 and the retaining frame 2210, when the angle of the dredging unit 21 is adjusted, the adjusting bracket 2106 will drive one end of the second auger rod 2205 to move. At this time, the guide frame 2209 can limit it, thereby improving the stability of its angle adjustment.

[0043] The specific implementation manner of this embodiment is as follows: When the adjusting bracket 2106 in the dredging unit 21 rotates, it drives the guide shell 2201 to move. When the guide shell 2201 moves, it drives one end of the two second auger rods 2205 to move. At this time, the other ends of the two second auger rods 2205 drive the limit rod 2208 to slide in the inner cavity of the guide frame 2209. At the same time, when the first synchronous wheel 2109 in the dredging unit 21 rotates, it drives the belt to transmit power. When the belt transmits power, it drives the second synchronous wheel 2207 to rotate. When the second synchronous wheel 2207 rotates, it drives the positioning rod 2202 to rotate. When the positioning rod 2202 rotates, it drives the two first bevel gears 2203 to rotate. When the two first bevel gears 2203 rotate, they drive the two second bevel gears 2204 to rotate. When the two second bevel gears 2204 rotate, they drive the two second auger rods 2205 to rotate. When the two second auger rods 2205 rotate, they can break up the silt on both sides of the ditch, thereby improving the cleaning efficiency and quality of the ditch silt.

[0044] Embodiment 3:

[0045] As Figure 1 、 Figure 2 、 Figure 5 and Figure 6 , the present invention provides a technical solution: A municipal engineering ditch silt removal device. The present invention makes corresponding improvements to the technical problems mentioned in the background art. A material conveying and discharging mechanism 3 is arranged on the surface of the material box 11. The material conveying and discharging mechanism 3 is used in cooperation with the dredging extension mechanism 2. The material conveying and discharging mechanism 3 is used for outputting the silt inside the material box 11.

[0046] As a further limitation of the feeding and discharging mechanism 3 of the present invention, the feeding and discharging mechanism 3 includes a positioning plate 301 and a second motor 302. Both the positioning plate 301 and the second motor 302 are fixedly installed on the surface of the material box 11. A second sludge pump 303 is fixedly installed on the top of the positioning plate 301. The input end of the second sludge pump 303 is fixedly communicated with a guide pipe 304. One end of the guide pipe 304 penetrates into the inner cavity of the material box 11. The output end of the second motor 302 penetrates into the inner cavity of the material box 11 and is fixedly connected with a first stirring rod 305. One end of the first stirring rod 305 penetrates to the outside of the material box 11 and is fixedly connected with a third synchronous pulley 306. The surface of the third synchronous pulley 306 is connected with a fourth synchronous pulley 307 through a belt. One side of the fourth synchronous pulley 307 is fixedly connected with a second stirring rod 308. One end of the second stirring rod 308 penetrates to the inner wall of the material box 11 and is rotatably connected with the inner wall of the material box 11 through a bearing. Stirring blades 309 are fixedly sleeved on the surfaces of the first stirring rod 305 and the second stirring rod 308. The stirring blades 309 are located in the inner cavity of the material box 11. The number of the stirring blades 309 is several. By setting the feeding and discharging mechanism 3, the second motor 302 is used to drive the first stirring rod 305, the second stirring rod 308 and the stirring blades 309 to rotate, so that the sludge inside the material box 11 can be broken up. Then, the second sludge pump 303 is used to extract and transport the sludge inside the material box 11 to the connected pipeline, so that the sludge can be centrally stored, avoiding secondary pollution caused by sludge discharge.

[0047] Two support frames 310 are fixedly connected to the bottom of the positioning plate 301. One side of the support frames 310 is fixedly connected with the surface of the material box 11. By setting the support frames 310, the positioning plate 301 can be supported and fixed, thereby improving the stability of the positioning plate 301 during use.

[0048] A connecting flange 311 is fixedly sleeved on the surface of the output end of the second sludge pump 303. The connecting flange 311 is made of metal. By setting the connecting flange 311, it is convenient for the staff to connect the output end of the second sludge pump 303, thereby improving the quality and efficiency of sludge transportation.

[0049] A guide plate 16 is fixedly installed in the inner cavity of the material box 11. The guide plate 16 is located at the bottom of the stirring blades 309. By setting the guide plate 16, the sludge in the inner cavity of the material box 11 can be guided, thereby improving the sludge discharge efficiency.

[0050] A limiting sleeve 17 is movably sleeved on the surface of the discharge pipe 15. The limiting sleeve 17 is fixedly installed on the top of the positioning frame 12. By setting the limiting sleeve 17, the discharge pipe 15 can be limited, thereby improving the stability of the discharge pipe 15 during use.

[0051] The specific implementation manner of this embodiment is as follows: When the silt content inside the material box 11 reaches the designated position, the staff uses an external control switch to start the second motor 302. The output end of the second motor 302 drives the first stirring rod 305 to rotate. When the first stirring rod 305 rotates, it drives the third synchronous pulley 306 to rotate. When the third synchronous pulley 306 rotates, it drives the belt to transmit power. When the belt transmits power, it drives the fourth synchronous pulley 307 to rotate. When the fourth synchronous pulley 307 rotates, it drives the second stirring rod 308 to rotate. When the first stirring rod 305 and the second stirring rod 308 rotate, they drive the stirring blades 309 on their surfaces to rotate, which can disperse the silt inside the material box 11. Subsequently, the staff uses an external control switch to start the second sludge pump 303, and the second sludge pump 303 pumps the silt in the inner cavity of the material box 11 to the external conveying pipe, enabling the transportation and transfer of the silt.

[0052] The present invention is not limited to the above optional implementation manners. Anyone can obtain other various forms of products under the inspiration of the present invention. However, no matter what changes are made in its shape or structure, as long as the technical solutions fall within the scope defined by the claims of the present invention, they are all within the protection scope of the present invention.

Claims

1. A municipal engineering ditch silt removal device, comprising a crawler-type vehicle body (1), characterized in that: A material box (11) is fixedly mounted on the top of the crawler vehicle body (1), a positioning frame (12) is fixedly mounted in the inner cavity of the material box (11), a fixed bracket (13) is fixedly mounted on one side of the material box (11), a first mud pump (14) is fixedly mounted on the inner side of the fixed bracket (13), an output end of the first mud pump (14) is fixedly connected to a discharge pipe (15), one end of the discharge pipe (15) extends to the inner cavity of the material box (11), and a dredging extension mechanism (2) is provided in the inner cavity of the positioning frame (12); The silt removal extension mechanism (2) comprises a silt removal unit (21), the silt removal unit (21) is arranged on the inner side of the positioning frame (12), and the silt removal unit (21) is used to break up the silt; The dredging extension mechanism (2) further comprises an extension unit (22), wherein the extension unit (22) is arranged on one side of the material box (11), and the extension unit (22) is used in conjunction with the dredging unit (21), and the extension unit (22) is used to expand the dredging range; The surface of the material box (11) is provided with a material conveying and discharging mechanism (3), and the material conveying and discharging mechanism (3) is used in conjunction with the dredging and extension mechanism (2). The material conveying and discharging mechanism (3) is used to discharge the sludge inside the material box (11).

2. A municipal engineering ditch silt removal device according to claim 1, characterized in that: The dredging unit (21) comprises a dual-axis motor (2101), the dual-axis motor (2101) is fixedly mounted in the inner cavity of the positioning frame (12), the output ends on both sides of the dual-axis motor (2101) penetrate the positioning frame (12) and are fixedly connected to a first gear (2102), the surface of the first gear (2102) is meshingly connected to a second gear (2103), the number of the second gears (2103) is two, a transmission rod (2104) is fixedly connected between opposite sides of the two second gears (2103), and the surface of the transmission rod (2104) is movably sleeved with two A limit block (2105) is provided, one side of the limit block (2105) is fixedly connected to the surface of the material box (11), the surface of the transmission rod (2104) is fixedly sleeved with an adjustment bracket (2106), one side of the adjustment bracket (2106) is fixedly installed with a first motor (2107), the output end of the first motor (2107) passes through the inner side of the adjustment bracket (2106) and is fixedly connected to a first auger rod (2108), and one end of the first auger rod (2108) passes through the outer side of the adjustment bracket (2106) and is fixedly connected to a first synchronous wheel (2109).

3. A municipal engineering ditch silt removal device according to claim 2, characterized in that: A positioning ring (2110) is provided on the surface fixing sleeve of the first motor (2107), and one side of the positioning ring (2110) is fixedly connected to the surface of the adjustment bracket (2106).

4. A municipal engineering ditch silt removal device according to claim 1, characterized in that: The extension unit (22) comprises a guide shell (2201), wherein the guide shell (2201) is fixedly mounted on the surface of the adjustment bracket (2106), a positioning rod (2202) is rotatably mounted in the inner cavity of the guide shell (2201), both ends of the positioning rod (2202) are fixedly connected with a first bevel gear (2203), the surface of the first bevel gear (2203) is meshingly connected with a second bevel gear (2204), the bottom of the second bevel gear (2204) is fixedly connected with a second auger rod (2205), the surface of the second auger rod (2205) is rotatably connected to a limit plate (2206) via a bearing, one side of the limit plate (2206) is fixedly connected to the surface of the guide shell (2201), a second synchronous wheel (2207) is fixedly sleeved on the surface of the positioning rod (2202), and the surface of the second synchronous wheel (2207) is transmission-connected to the first synchronous wheel (2109) via a belt.

5. A municipal engineering ditch silt removal device according to claim 4, characterized in that: The bottom of the second auger rod (2205) is rotatably connected to a limit rod (2208) via a bearing, the inner cavity of the limit rod (2208) is slidably connected to a guide frame (2209) via an axle pin, a retaining frame (2210) is fixedly installed on one side of the guide frame (2209), and one side of the retaining frame (2210) is fixedly connected to the surface of the material box (11).

6. A municipal engineering ditch silt removal device according to claim 1, characterized in that: The material conveying and discharging mechanism (3) comprises a positioning plate (301) and a second motor (302), the positioning plate (301) and the second motor (302) are both fixedly mounted on the surface of the material box (11), a second mud pump (303) is fixedly mounted on the top of the positioning plate (301), an input end of the second mud pump (303) is fixedly connected to a material guide pipe (304), one end of the material guide pipe (304) penetrates into the inner cavity of the material box (11), an output end of the second motor (302) penetrates into the inner cavity of the material box (11) and is fixedly connected to a first stirring rod (305), one end of the first stirring rod (305) penetrates into the inner cavity of the material box (11), A third synchronous wheel (306) is fixedly connected to the outer side of the material box (11); the surface of the third synchronous wheel (306) is connected to the fourth synchronous wheel (307) via a belt drive; one side of the fourth synchronous wheel (307) is fixedly connected to a second stirring rod (308); one end of the second stirring rod (308) penetrates the inner wall of the material box (11) and is rotatably connected to the inner wall of the material box (11) via a bearing; stirring blades (309) are fixedly sleeved on the surfaces of the first stirring rod (305) and the second stirring rod (308); the stirring blades (309) are located in the inner cavity of the material box (11); and the number of the stirring blades (309) is multiple.

7. A municipal engineering ditch silt removal device according to claim 6, characterized in that: Two support frames (310) are fixedly connected to the bottom of the positioning plate (301), and one side of the support frame (310) is fixedly connected to the surface of the material box (11).

8. A municipal engineering ditch silt removal device according to claim 6, characterized in that: A connecting flange (311) is provided on the surface fixing sleeve of the output end of the second mud pump (303), and the connecting flange (311) is made of metal.

9. A municipal engineering ditch silt removal device according to claim 1, characterized in that: A guide plate (16) is fixedly installed in the inner cavity of the material box (11), and the guide plate (16) is located at the bottom of the stirring blade (309).

10. A municipal engineering ditch silt removal device according to claim 1, characterized in that: A movable sleeve (17) is provided on the surface of the discharge pipe (15), and the limiting sleeve (17) is fixedly mounted on the top of the positioning frame (12).

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