A water conservancy project pipeline dredging device

Abstract

The application is suitable for the technical field of hydraulic engineering construction, and provides a pipeline dredging device for hydraulic engineering, which comprises a fixing base, a rotating assembly for driving a rotating base to rotate is arranged on one side of the fixing base, walking assemblies are distributed on the outer wall of the fixing base, a knocking mechanism is installed at one end of the rotating base, and a cleaning mechanism is also installed on the rotating base, and the pipeline dredging device further comprises a pushing mechanism, the pushing mechanism comprises a first mounting base, a second mounting base, a first driving piece, a first transmission module, a connecting assembly and a pushing plate. In the pipeline dredging device for hydraulic engineering, the pushing mechanism is cooperated with the walking assemblies and the fixing base, so that the residual sludge in the pipeline can be discharged outside the pipeline along with the dredging device, the situation that the residual sludge in the pipeline needs to be cleaned separately is avoided, the efficiency and quality of pipeline dredging are improved, and the cost of pipeline dredging is reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of water conservancy construction, and particularly relates to a water conservancy pipeline dredging device. BACKGROUND

[0002] Water conservancy is an engineering built to control and distribute surface water and groundwater in nature to achieve the purpose of eliminating harm and benefiting. Only by building water conservancy projects can water flow be controlled to prevent flood disasters and water can be regulated and distributed to meet the needs of people's life and production for water resources. Water conservancy is an important part of the national construction process and is of great significance to the livelihood and development of the people. In water conservancy, the pipeline is one of the most basic parts. After long-term drainage, a large amount of silt will accumulate inside the pipeline, which may affect the normal discharge of water. Therefore, the silt inside the pipeline needs to be cleaned by a dredging device to ensure the dredging of the pipeline.

[0003] The existing pipeline dredging device is provided with a walking assembly, a scraper assembly, a rotating assembly and a cleaning cone. The walking assembly drives the whole device to move in the pipeline. The scraper assembly cleans the silt adhering to the inner wall of the pipeline. The rotating assembly cooperates with the cleaning cone to chisel the silt block accumulated in the pipeline, facilitating the dredging of the pipeline.

[0004] Although the existing device can scrape off the silt adhering to the inner wall of the pipeline and chisel the silt block accumulated in the pipeline, the silt treated by the existing device still remains in the pipeline after the treatment. The remaining silt needs to be cleaned by water or other auxiliary equipment, which not only is troublesome and affects the efficiency and quality of pipeline dredging, but also increases the cost of pipeline silt cleaning.

[0005] Therefore, in view of the above status, it is urgent to develop a water conservancy pipeline dredging device to overcome the deficiencies in current practical applications. SUMMARY

[0006] In view of the deficiencies in the prior art, the purpose of the embodiments of the present application is to provide a water conservancy pipeline dredging device to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0008] The utility model provides a water conservancy project pipeline dredging equipment, including fixed seat, one side of fixed seat is provided with the rotation component for driving rotation seat rotation, one side of rotation seat is installed on fixed seat through the sliding piece, the outer wall of fixed seat is distributed with the walking component for controlling equipment walking, one end of rotation seat is installed with the knocking mechanism for knocking the silt in pipeline, still be installed with the cleaning mechanism for removing the silt on the inner wall of pipeline on rotation seat, still include:

[0009] Push mechanism, the push mechanism includes first mounting seat, second mounting seat, first drive part, first transmission module, connecting component and push plate, the first mounting seat is fixed at one end of fixed seat, the second mounting seat is slidably arranged at one end of fixed seat on the same side of first mounting seat, the first drive part is fixed on the first mounting seat, one end of the first drive part is connected with a group of connecting components through the first transmission module, the connecting component is provided with a plurality of groups, the connecting component is installed on the first mounting seat and a plurality of second mounting seats respectively;

[0010] The connecting component includes first gear, connecting seat and second gear, the first gear and the second gear are movably installed on both ends of the connecting seat through the mounting shaft, the connecting seat is movably installed on the first mounting seat and a plurality of second mounting seats respectively, the mounting shaft on a group of first gears is connected with the first transmission module, the first gear is meshed with the adjacent second gear, the push plate is distributed with a plurality of groups, one end of a plurality of push plates is movably installed on the corresponding connecting seat, the other end of a plurality of push plates is rotatably connected with the adjacent push plate;

[0011] In the initial state, a plurality of push plates are in the folded state, when a plurality of push plates need to be unfolded, the first drive part drives a group of first gears to rotate through the first transmission module, a group of first gears simultaneously drive the connecting seat and the meshed second gear of the same group to rotate, the connecting seat of the same group drives the first gear adjacent to it to rotate through the second gear on one side, the second gear meshed with the first gear drives the connecting seat of the same group to rotate, a plurality of connecting seats drive the push plate of the same group to deflect, a plurality of push plates are unfolded around the fixed seat through the deflection mode, and the push plate pushes the silt in the pipeline to the outside of the pipeline through cooperation with the fixed seat and the walking component.

[0012] As a further technical solution of the application, the push plate is a fan-shaped plate structure.

[0013] As a further technical scheme of the present application, the walking assembly comprises telescopic members, a first connecting member, an adjusting seat and a walking wheel set, the telescopic members are distributed on the outer wall of the fixing seat, the output ends of the telescopic members are movably connected with the side wall of the adjusting seat through the first connecting member, one end of the adjusting seat is rotatably installed on the outer wall of the fixing seat, and the other end of the adjusting seat is provided with the walking wheel set for driving the fixing seat to move.

[0014] As a further technical scheme of the present application, the rotating assembly comprises a fourth driving member, a third transmission module and a rotating seat, the fourth driving member is installed in the fixing seat, the output end of the fourth driving member is connected with the rotating shaft on the rotating seat through the third transmission module, one end of the rotating shaft is movably installed in the fixing seat, and the rotating seat is fixed on the side wall of one end of the rotating seat.

[0015] As a further technical scheme of the present application, the cleaning mechanism comprises a control assembly, a sliding seat, a mounting member, an auxiliary member and a scraper, the control assembly is installed in the rotating seat, one end of the control assembly is threadedly connected with the sliding seat, the sliding seat is slidably installed on the inner wall of the rotating seat, one end of the mounting member is movably installed on the sliding seat, the other end of the mounting member extends to the outside of the rotating seat and is connected with the scraper, one end of the auxiliary member is movably installed on the inner wall of the rotating seat, and the other end of the auxiliary member is movably connected with the mounting member.

[0016] As a further technical scheme of the present application, the control assembly comprises a second driving member, a second transmission module and a screw rod, the second driving member and the screw rod are both installed in the rotating seat, the output end of the second driving member is connected with one end of the screw rod through the second transmission module, and the other end of the screw rod is threadedly connected with the sliding seat.

[0017] As a further technical scheme of the present application, the knocking mechanism comprises a driving assembly, a fixing member, a knocking cone, a first elastic member, a blocking ring and a second elastic member, the driving assembly is installed in the rotating seat, one end of the driving assembly is movably connected with the fixing member through the first elastic member, the fixing member is fixedly installed on the side wall of one end of the knocking cone, the outer wall of the fixing member is fixed with the blocking ring, the two sides of the blocking ring are movably connected with the inner wall of the rotating seat through the second elastic member, one end of the knocking cone is slidably installed in the rotating seat, and the other end of the knocking cone extends to the outside of the rotating seat.

[0018] As a further technical solution of the present invention, the driving component includes a third driving member, a first rotating member, a second connecting member and a third connecting member. The third driving member is fixed in the rotating seat. The first rotating member is installed on the output end of the third driving member. One end of the first rotating member is movably connected to one end of the third connecting member through the second connecting member. The other end of the third connecting member extends into the fixed member, and a first elastic member that movably contacts the inner wall of the fixed member is fitted on the other end of the third connecting member.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] In the initial state, the multiple sets of push plates are folded. When the multiple sets of push plates need to be unfolded, the first drive component drives a set of first gears to rotate through the first transmission module. The set of first gears simultaneously drives the connecting seat and the meshing second gear in the same group to rotate. The connecting seat in the same group drives the adjacent first gear to rotate through the second gear on one side. The second gear meshing with the first gear drives the connecting seat in the same group to rotate. The multiple sets of connecting seats drive the push plates in the same group to deflect. The multiple sets of push plates unfold around the fixed seat by deflection. The telescopic component drives the adjusting seat to rotate through the first connecting component. The adjusting seat rotates to make the walking wheel set contact with the inner wall of the pipe, so that the walking wheel set drives the fixed seat to move inside the pipe. The push plates, in cooperation with the fixed seat and the walking component, allow the residual sludge in the pipe to be discharged outside the pipe as the dredging equipment is removed, avoiding the need to clean the residual sludge in the pipe separately, improving the efficiency and quality of pipe dredging, and reducing the cost of pipe dredging.

[0021] To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of one side of the water conservancy pipeline dredging equipment provided in an embodiment of the present invention.

[0023] Figure 2 This is a cross-sectional view of the other side of the water conservancy pipeline dredging equipment provided in an embodiment of the present invention.

[0024] Figure 3 for Figure 2 Enlarged view of the structure at point A in the middle.

[0025] Figure 4 for Figure 2 Enlarged view of the structure at point B.

[0026] Figure 5 for Figure 2 Enlarged view of the structure at point C.

[0027] Reference numerals: 1 - Fixed base, 2 - Rotary base, 21 - Sliding member, 3 - Pushing mechanism, 31 - First mounting base, 32 - Second mounting base, 33 - First driving member, 34 - First transmission module, 35 - Connecting assembly, 351 - First gear, 352 - Connecting base, 353 - Second gear, 36 - Pushing plate, 4 - Walking assembly, 41 - Telescopic member, 42 - First connecting member, 43 - Adjusting base, 44 - Walking wheel set, 6 - Cleaning mechanism, 61 - Control assembly, 611 - Second driving member 612 - Second transmission module, 613 - Screw, 62 - Sliding seat, 63 - Mounting component, 64 - Auxiliary component, 65 - Scraper, 7 - Striking mechanism, 71 - Drive assembly, 711 - Third drive component, 712 - First rotating component, 713 - Second connecting component, 714 - Third connecting component, 72 - Fixing component, 73 - Striking cone, 74 - First elastic component, 75 - Blocking ring, 76 - Second elastic component, 8 - Rotating assembly, 81 - Fourth drive component, 82 - Third transmission module, 83 - Rotating seat. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0029] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0030] like Figures 1 to 5 As shown, a water conservancy engineering pipeline dredging device provided as an embodiment of the present invention includes a fixed base 1. A rotating assembly 8 for driving a rotating base 2 to rotate is provided on one side of the fixed base 1. One side of the rotating base 2 is slidably mounted on the fixed base 1 via a sliding member 21. A traveling assembly 4 for controlling the movement of the device is distributed on the outer wall of the fixed base 1. A striking mechanism 7 for striking the silt inside the pipeline is installed at one end of the rotating base 2. A cleaning mechanism 6 for removing silt from the inner wall of the pipeline is also installed on the rotating base 2. The device further includes:

[0031] The pushing mechanism 3 comprises a first mounting base 31, a second mounting base 32, a first driving piece 33, a first transmission module 34, a connecting assembly 35 and a pushing plate 36, the first mounting base 31 is fixed at one end of the fixed base 1, the second mounting base 32 is slidingly arranged at one end of the fixed base 1 at the same side of the first mounting base 31, the first driving piece 33 is fixed on the first mounting base 31, one end of the first driving piece 33 is connected with a group of the connecting assembly 35 through the first transmission module 34, the connecting assembly 35 is provided in multiple groups, and the connecting assembly 35 is respectively installed on the first mounting base 31 and the multiple groups of second mounting bases 32;

[0032] The connecting assembly 35 comprises a first gear 351, a connecting seat 352 and a second gear 353, the first gear 351 and the second gear 353 are movably installed on both ends of the connecting seat 352 through mounting shafts, the connecting seat 352 is movably installed on the first mounting base 31 and the multiple groups of second mounting bases 32, the mounting shaft on a group of the first gears 351 is connected with the first transmission module 34, the first gear 351 is in meshing connection with the adjacent second gear 353, and multiple groups of the pushing plate 36 are distributed, one end of the multiple groups of the pushing plate 36 is movably installed on the corresponding connecting seat 352, and the other end of the multiple groups of the pushing plate 36 is rotatably connected with the adjacent pushing plate 36.

[0033] As shown in Figure 1 and Figure 2 , as a preferred embodiment of the present application, the pushing plate 36 is a fan-shaped plate structure.

[0034] As shown in Figure 1 and Figure 2 , as a preferred embodiment of the present application, the walking assembly 4 comprises a telescopic piece 41, a first connecting piece 42, an adjusting seat 43 and a walking wheel set 44, the telescopic piece 41 is distributed on the outer wall of the fixed base 1, the output end of the telescopic piece 41 is movably connected with the side wall of the adjusting seat 43 through the first connecting piece 42, one end of the adjusting seat 43 is rotatably installed on the outer wall of the fixed base 1, and the walking wheel set 44 for driving the fixed base 1 to move is installed on the other end of the adjusting seat 43.

[0035] In the embodiment, in the initial state, the plurality of groups of the pushing plates 36 are in the folded state, when it is required to unfold the plurality of groups of the pushing plates 36, the first driving member 33 drives a group of the first gears 351 to rotate through the first transmission module 34, the group of the first gears 351 simultaneously drives the connecting seat 352 and the meshed second gear 353 of the same group to rotate, the connecting seat 352 of the same group drives the first gear 351 adjacent thereto to rotate through the second gear 353 on one side, the second gear 353 meshed with the first gear 351 drives the connecting seat 352 of the same group to rotate, the plurality of groups of the connecting seats 352 drive the pushing plates 36 of the same group to deflect, the plurality of groups of the pushing plates 36 are unfolded in the deflected manner around the fixed seat 1, the telescopic member 41 drives the adjusting seat 43 to rotate through the first connecting member 42, the adjusting seat 43 rotates in the manner to rotate the walking wheel set 44 to abut against the inner wall of the pipeline, so that the walking wheel set 44 drives the fixed seat 1 to move in the pipeline, the pushing plate 36 cooperates with the fixed seat 1 and the walking assembly 4, so that the residual silt in the pipeline can be discharged outside the pipeline along with the dredging equipment, avoiding the situation that the residual silt in the pipeline needs to be cleaned separately, improving the efficiency and quality of the pipeline dredging, and reducing the cost of the pipeline dredging.

[0036] In a preferred embodiment, the first mounting seat 31 and the second mounting seat 32 are preferably in the shape of a Z-shaped rod;

[0037] The first driving member 33 is preferably a servo motor;

[0038] The first transmission module 34 is preferably a belt transmission structure;

[0039] The telescopic member 41 is preferably an electric telescopic structure;

[0040] The first connecting member 42 is preferably in the shape of a block.

[0041] As shown in Figure 2 As a preferred embodiment of the present application, the rotating assembly 8 includes a fourth driving member 81, a third transmission module 82 and a rotating seat 83, the fourth driving member 81 is installed in the fixed seat 1, the output end of the fourth driving member 81 is connected with a rotating shaft on the rotating seat 83 through the third transmission module 82, one end of the rotating shaft is movably installed in the fixed seat 1, and the rotating seat 83 is fixed on the side wall of one end of the rotating seat 2.

[0042] As shown in Figure 2 and Figure 4As shown in the drawings, as a preferred embodiment of the present application, the cleaning mechanism 6 comprises a control assembly 61, a sliding seat 62, a mounting piece 63, an auxiliary piece 64 and a scraper 65, the control assembly 61 is mounted in the rotating seat 2, one end of the control assembly 61 is threadedly connected with the sliding seat 62, the sliding seat 62 is slidingly mounted on the inner wall of the rotating seat 2, one end of the mounting piece 63 is movably mounted on the sliding seat 62, the other end of the mounting piece 63 extends out of the rotating seat 2 and is connected with the scraper 65, one end of the auxiliary piece 64 is movably mounted on the inner wall of the rotating seat 2, the other end of the auxiliary piece 64 is movably connected with the mounting piece 63.

[0043] As shown in the drawings, Figure 2 and Figure 4 As shown in the drawings, as a preferred embodiment of the present application, the control assembly 61 comprises a second driving piece 611, a second transmission module 612 and a screw rod 613, the second driving piece 611 and the screw rod 613 are both mounted in the rotating seat 2, the output end of the second driving piece 611 is connected with one end of the screw rod 613 through the second transmission module 612, the other end of the screw rod 613 is threadedly connected with the sliding seat 62.

[0044] In this embodiment, when the fixed seat 1 moves in the pipeline, the fourth driving piece 81 drives the rotating seat 2 to rotate through the third transmission module 82 and the rotating seat 83, and the rotating seat 2 drives the scraper 65 to rotate, so that the scraper 65 can scrape off the sludge on the inner wall of the pipeline and make it fall to the bottom of the pipeline;

[0045] When it is necessary to adjust the position of the scraper 65, the second driving piece 611 drives the screw rod 613 to rotate through the second transmission module 612, the screw rod 613 drives the sliding seat 62 to move, and the sliding seat 62 drives one end of the mounting piece 63 to move, since one end of the auxiliary piece 64 is mounted on the inner wall of the rotating seat 2 and the other end of the auxiliary piece 64 is movably connected with the mounting piece 63, the sliding seat 62 drives the other end of the mounting piece 63 to move vertically through cooperation with the auxiliary piece 64, and the mounting piece 63 drives the scraper 65 to move vertically, so as to change the diameter of the scraper 65 when it moves in a circular manner, so that the scraper 65 can clean the inner wall of the pipeline with different diameters, improve the working efficiency and practicability of the equipment, and improve the cleaning efficiency and quality of the sludge in the pipeline.

[0046] In a preferred embodiment, the second driving piece 611 and the fourth driving piece 81 both preferably adopt a servo motor;

[0047] The second transmission module 612 preferably adopts a belt transmission structure;

[0048] The mounting piece 63 and the auxiliary piece 64 both preferably adopt a columnar structure;

[0049] The third transmission module 82 preferably adopts a gear transmission structure.

[0050] As shown in Figure 2 and Figure 5 , as a preferred embodiment of the present application, the knocking mechanism 7 comprises a driving assembly 71, a fixing member 72, a knocking cone 73, a first elastic member 74, a blocking ring 75 and a second elastic member 76, the driving assembly 71 is installed in the rotating seat 2, one end of the driving assembly 71 is movably connected with the fixing member 72 through the first elastic member 74, the fixing member 72 is fixedly installed on the side wall of one end of the knocking cone 73, the outer wall of the fixing member 72 is fixed with the blocking ring 75, the blocking ring 75 is movably connected with the inner wall of the rotating seat 2 through the second elastic member 76 on both sides, one end of the knocking cone 73 is slidably installed in the rotating seat 2, and the other end of the knocking cone 73 extends out of the rotating seat 2.

[0051] As shown in Figure 2 and Figure 5 , as a preferred embodiment of the present application, the driving assembly 71 comprises a third driving member 711, a first rotating member 712, a second connecting member 713 and a third connecting member 714, the third driving member 711 is fixed in the rotating seat 2, the output end of the third driving member 711 is installed with the first rotating member 712, one end of the first rotating member 712 is movably connected with one end of the third connecting member 714 through the second connecting member 713, the other end of the third connecting member 714 extends into the fixing member 72, and the other end of the third connecting member 714 is sleeved with the first elastic member 74 movably contacting with the inner wall of the fixing member 72.

[0052] In this embodiment, the rotating seat 2 drives the knocking mechanism 7 to move and rotate, the third driving member 711 drives the first rotating member 712 to rotate, the first rotating member 712 drives the third connecting member 714 to reciprocate through the second connecting member 713, the third connecting member 714 drives the fixing member 72 to reciprocate through the first elastic member 74, and the fixing member 72 drives the knocking cone 73 to reciprocate, so that the knocking cone 73 reciprocally knocks the sludge block in the pipeline in a rotating manner, which can realize rapid crushing of the sludge block in the pipeline and improve the efficiency and quality of pipeline dredging.

[0053] In a preferred embodiment, the third driving member 711 preferably adopts a servo motor;

[0054] The first rotating member 712, the second connecting member 713 and the third connecting member 714 all preferably adopt a rod-shaped structure;

[0055] The fixing member 72 preferably adopts a circular cylindrical structure;

[0056] The first elastic member 74 and the second elastic member 76 are preferably springs.

[0057] The above description is merely preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall fall within the scope of protection of the present application.

Claims

1. A hydraulic engineering pipeline dredging device, comprising a fixing base, one side of the fixing base is provided with a rotating assembly for driving the rotating base to rotate, one side of the rotating base is slidingly installed on the fixing base through a sliding piece, the outer wall of the fixing base is distributed with a walking assembly for controlling the walking of the device, one end of the rotating base is installed with a knocking mechanism for knocking the sludge in the pipeline, and the rotating base is also installed with a cleaning mechanism for cleaning the sludge on the inner wall of the pipeline. Also include: Push mechanism, the push mechanism includes first mounting seat, second mounting seat, first drive, first transmission module, connecting assembly and push plate, the first mounting seat is fixed in one end of the fixed seat, the second mounting seat is slidably arranged in one end of the fixed seat on the same side of the first mounting seat, the first drive is fixed on the first mounting seat, one end of the first drive is connected with a group of connecting assemblies through the first transmission module, the connecting assembly is provided with a plurality of groups, the connecting assembly is respectively installed on the first mounting seat and a plurality of second mounting seats; The connecting assembly includes a first gear, a connecting seat and a second gear, the first gear and the second gear are movably installed on both ends of the connecting seat through the mounting shaft, the connecting seat is movably installed on the first mounting seat and a plurality of second mounting seats, the mounting shaft on a group of first gears is connected with the first transmission module, the first gear is meshed and connected with the adjacent second gear, a plurality of groups of push plates are distributed, one end of a plurality of groups of push plates is movably installed on the corresponding connecting seat, the other end of a plurality of groups of push plates is rotatably connected with the adjacent push plate; The first drive drives a group of first gears to rotate through the first transmission module, a group of first gears simultaneously drives the connecting seat and the meshed second gear of the same group to rotate, the connecting seat of the same group drives the first gear adjacent to it to rotate through the second gear on one side, the second gear meshed with the first gear drives the connecting seat of the same group to rotate, a plurality of connecting seats drive the push plate of the same group to deflect, a plurality of push plates are unfolded around the fixed seat through deflection, the push plate pushes the sludge in the pipeline to the outside of the pipeline through cooperation with the fixed seat and the walking assembly.

2. The hydraulic engineering pipeline dredging apparatus of claim 1, wherein, The push plate is a fan-shaped plate structure.

3. The hydraulic engineering pipeline dredging apparatus of claim 1, wherein, The walking assembly includes an extension piece, a first connecting piece, an adjusting seat and a walking wheel set, the extension piece is distributed on the outer wall of the fixed seat, the output end of the extension piece is movably connected with the side wall of the adjusting seat through the first connecting piece, one end of the adjusting seat is rotatably installed on the outer wall of the fixed seat, the other end of the adjusting seat is provided with a walking wheel set for driving the fixed seat to move.

4. The hydraulic engineering pipeline dredging apparatus of claim 1, wherein, The rotating assembly includes a fourth drive, a third transmission module and a rotating seat, the fourth drive is installed in the fixed seat, the output end of the fourth drive is connected with the rotating shaft on the rotating seat through the third transmission module, one end of the rotating shaft is movably installed in the fixed seat, the rotating seat is fixed on the side wall of one end of the rotating seat.

5. The hydraulic engineering pipeline dredging apparatus of claim 1, wherein, The cleaning mechanism includes a control assembly, a sliding seat, a mounting piece, an auxiliary piece and a scraper, the control assembly is installed in the rotating seat, one end of the control assembly is threadedly connected with the sliding seat, the sliding seat is slidably installed on the inner wall of the rotating seat, one end of the mounting piece is movably installed on the sliding seat, the other end of the mounting piece extends to the outside of the rotating seat and is connected with the scraper, one end of the auxiliary piece is movably installed on the inner wall of the rotating seat, the other end of the auxiliary piece is movably connected with the mounting piece.

6. A hydraulic engineering pipe dredging apparatus according to claim 5, wherein, The control assembly comprises a second driving member, a second transmission module and a screw rod, the second driving member and the screw rod are both installed in a rotating seat, the output end of the second driving member is connected with one end of the screw rod through the second transmission module, and the other end of the screw rod is threadedly connected with the sliding seat.

7. The hydraulic engineering pipe dredging apparatus of claim 1, wherein, The knocking mechanism comprises a driving assembly, a fixing member, a knocking cone, a first elastic member, a blocking ring and a second elastic member, one end of the driving assembly is movably connected with the fixing member through the first elastic member, the fixing member is fixedly installed on the side wall of one end of the knocking cone, the outer wall of the fixing member is fixedly provided with the blocking ring, the two sides of the blocking ring are movably connected with the inner wall of the rotating seat through the second elastic member, one end of the knocking cone is slidably installed in the rotating seat, and the other end of the knocking cone extends out of the rotating seat.

8. A hydraulic engineering pipe dredging apparatus according to claim 7, characterised in that, The driving assembly comprises a third driving member, a first rotating member, a second connecting member and a third connecting member, the third driving member is fixed in the rotating seat, the output end of the third driving member is provided with the first rotating member, one end of the first rotating member is movably connected with one end of the third connecting member through the second connecting member, the other end of the third connecting member extends into the fixing member, and the other end of the third connecting member is provided with the first elastic member which movably contacts with the inner wall of the fixing member.

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