Water conservancy project drainage channel cleaning device

Abstract

The invention relates to the technical field of drainage channels, in particular to a hydraulic engineering drainage channel cleaning device which comprises a drainage channel, a fishing device, a driving device and a recycling device. The drainage channel comprises a main water channel and an auxiliary water channel, the auxiliary water channel is arranged on one side of the main water channel, and the two ends of the auxiliary water channel communicate with the main water channel. The fishing device comprises a rotating shaft, a mounting frame and a fishing claw, the rotating shaft is rotationally connected to the side wall of the main water channel, the mounting frame is mounted on the rotating shaft, and the fishing claw is fixedly connected to the mounting frame. The driving device comprises a driving shaft, driving blades and a transmission part, the driving shaft is rotationally connected to the side wall of the auxiliary canal in the horizontal direction, the driving blades are fixedly connected to the driving shaft, one end of the transmission part is connected with the driving shaft, and the other end of the transmission part is connected with the rotating shaft. The recycling device is mounted on the mounting frame so as to collect the sundries fished on the fishing claws, and the device has the effect of cleaning the sundries in the water channel under the condition that the water flow velocity of the main water channel is guaranteed.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of drainage channels, in particular to a water conservancy drainage channel cleaning device. BACKGROUND

[0002] The drainage channel is a channel for guiding water flow, which is usually used to drain the ground runoff caused by excessive rainfall, or to drain the excess water in the farmland and surface soil, and to guide them to rivers, lakes or other water bodies to prevent floods and waterlogging.

[0003] The drainage channel needs to cover a large area to collect and transport water in farmland or urban drainage systems, and with the long-term use of the drainage channel, the sundries in the channel will be connected over time, which may cause the channel to be blocked and affect the drainage effect. The currently disclosed filter partition for garden construction drainage channel includes a drainage channel body, a plurality of equally spaced installation frames are fixedly connected in the inner cavity of the drainage channel body, a cavity is formed in the inner cavity of the installation frame, a filter screen frame is movably connected in the inner cavity of the cavity, and a filter screen is fixedly connected in the inner cavity of the filter screen frame.

[0004] In view of the related technology in the above, the filter partition will accumulate a large amount of sundries during long-term use, which will reduce the water flow rate and flow through the filter partition, resulting in poor drainage effect. SUMMARY

[0005] In order to ensure the cleaning of sundries in the water channel under the condition of water flow rate of the drainage channel, the application provides a water conservancy drainage channel cleaning device.

[0006] The water conservancy drainage channel cleaning device provided by the application adopts the following technical scheme:

[0007] A water conservancy drainage channel cleaning device comprises:

[0008] The drainage channel comprises a main water channel and an auxiliary water channel, the auxiliary water channel is arranged on one side of the main water channel, and the two ends of the auxiliary water channel are respectively communicated with the main water channel;

[0009] The fishing device comprises a rotating shaft, a mounting frame and a fishing claw, the rotating shaft is horizontally rotatably connected to the side wall of the main water channel, the length direction of the rotating shaft is perpendicular to the length direction of the main water channel, the mounting frame is mounted on the rotating shaft, and the fishing claw is fixedly connected to the mounting frame in the direction perpendicular to the axis of the rotating shaft;

[0010] The driving device comprises a driving shaft, a driving blade and a transmission member, the driving shaft is horizontally connected to the side wall of the auxiliary water channel, the driving blade is fixedly connected to the driving shaft, one end of the transmission member is connected to the driving shaft, and the other end is connected to the rotating shaft, so that the driving shaft rotates to drive the rotating shaft to rotate reversely.

[0011] The recovery device is installed on the mounting frame and is located between the rotating shaft and the fishing claw, and is used to collect sundries fished by the fishing claw.

[0012] By adopting the above technical scheme, when the drainage channel is used for drainage, water flows through the main water channel and the auxiliary water channel, the water flowing through the auxiliary water channel drives the driving shaft to rotate through the driving blade, the driving shaft rotates to drive the rotating shaft to rotate reversely through the transmission member, and the rotating shaft rotates reversely to drive the mounting frame and the fishing claw to rotate reversely, so that the rotating direction of the fishing claw at the water flow contact position is opposite to the flowing direction of the water flow, thereby facilitating the fishing claw to fish the sundries floating in the water flow, and when the fishing claw rotates to the upper position, the fished sundries are affected by gravity and fall onto the recovery device, thereby reducing the problem of water flow speed reduction caused by the attachment of the sundries to the fishing claw.

[0013] The rotation of the driving blade driven by the water flow utilizes the cooperation of the driving shaft, the transmission member, the rotating shaft and the mounting frame to enable the fishing claw to fish the sundries in the main water channel and to continuously transfer the fished sundries to the recovery device during the rotating fishing process, thereby avoiding the attachment of the sundries and ensuring the cleaning of the sundries in the water channel under the condition of the water flow speed of the drainage channel.

[0014] Optionally, a limiting table is fixedly connected below the fishing claw, the limiting table is located between the two ends of the auxiliary water channel communicated with the main water channel, and a sediment pool is formed in the bottom of the auxiliary water channel.

[0015] By adopting the above technical scheme, the limiting table is arranged to facilitate the water flow in the main water channel to pass through the auxiliary water channel, and the sediments in the water flow can also be blocked by the limiting table to flow into the auxiliary water channel and finally be deposited in the sediment pool in the bottom of the auxiliary water channel.

[0016] Optionally, the upper surface of the limiting table is arranged in an inner concave arc shape to enable the fishing claw to abut against the upper surface of the limiting table and rotate around the rotating shaft.

[0017] By adopting the above technical scheme, the limiting table in the inner concave arc shape enables the fishing claw to abut against the limiting table more closely and the fishing effect is better.

[0018] Optionally, the mounting frame is provided in plurality, the plurality of mounting frames are uniformly distributed around the rotating shaft, the fishing claws are correspondingly mounted on the mounting frames, and at least one of the fishing claws is located in the concave arc of the upper surface of the limiting table.

[0019] By adopting the above technical scheme, the plurality of fishing claws are provided, so that the fishing is more sufficient, and at least one of the fishing claws is located in the concave arc of the upper surface of the limiting table, thereby avoiding the omission of sundries from the gap between adjacent fishing claws, so that the fishing of the fishing claws is more clean.

[0020] Optionally, the fishing claw comprises a plurality of uniformly distributed intercepting rods, one end of the intercepting rod is fixedly connected to the mounting frame, the other end is bent towards the rotating direction of the mounting frame, and the intercepting rods on adjacent mounting frames are arranged in a staggered manner.

[0021] By adopting the above technical scheme, the intercepting rods on adjacent mounting frames are arranged in a staggered manner, so that the intercepting rods can greatly improve the fishing efficiency, and the bent intercepting rods reduce the possibility of sundries falling from the intercepting rods after the sundries are fished.

[0022] Optionally, the recycling device comprises a recycling box, one side of the recycling box is provided with an opening, one end of the recycling box is fixedly connected with a rotating pin, the other end is provided with a mounting hole, the rotating pin is close to the opening of the recycling box, the rotating pin and the mounting hole are coaxially arranged, the rotating pin is inserted into the mounting frame, the mounting frame is provided with a mounting piece, the mounting piece is used for being inserted into the mounting hole, so that the recycling box is rotatably connected to the mounting frame.

[0023] By adopting the above technical scheme, the cooperation of the rotating pin, the mounting hole and the mounting piece makes the recycling box always face upward on one side during the rotation of the rotating shaft, so that the sundries on the fishing claws are easily fallen into the recycling box when the recycling box is rotated to the upper side, and the sundries in the recycling box are not easily spilled out when the recycling box is rotated to the lower side.

[0024] Optionally, the mounting piece comprises a mounting pin, a reset spring and a pull ring, the mounting pin is slidably connected to the mounting frame, one end of the reset spring is fixedly connected to the mounting pin, the other end is abutted to the mounting frame, so as to drive the mounting pin to be inserted into the mounting hole, and the pull ring is mounted on the end of the mounting pin away from the mounting hole.

[0025] By adopting the above technical scheme, the cooperation of the mounting pin, the reset spring and the pull ring facilitates the disassembly and installation of the recycling box, so as to facilitate the cleaning of the sundries in the recycling box.

[0026] Optionally, a sediment drain is installed in the sediment pool, and the sediment pool and the sediment drain are both arranged in an inclined manner.

[0027] By using the above technical scheme, the sediment drain is arranged to facilitate the cleaning of the sediment in the sediment pool.

[0028] Optionally, a flow limiting door is installed at the water inlet through which the auxiliary water channel communicates with the main water channel, and a float is installed on the flow limiting door, so that when the water level of the main water channel is lower than the limiting platform, the flow limiting door blocks the water inlet through which the auxiliary water channel communicates with the main water channel, and when the water level of the main water channel is higher than the limiting platform, the water inlet through which the auxiliary water channel communicates with the main water channel is communicated.

[0029] By using the above technical scheme, the flow limiting door is arranged to not only avoid the flow of the upper layer of the water flow into the auxiliary water channel when the water level of the water flow is high, but also avoid the water flow flowing out of the auxiliary water channel when the water level of the water flow is too low, thereby preventing the auxiliary water channel from being blocked.

[0030] Optionally, the transmission member includes a driving gear and a transmission gear, the driving gear is coaxially and fixedly connected with the driving shaft, the transmission gear is coaxially and fixedly connected with the rotating shaft, and the driving gear is engaged with the transmission gear.

[0031] By using the above technical scheme, when the water flow of the auxiliary water channel drives the driving shaft to rotate through the driving blade, the driving shaft drives the driving gear to rotate, the driving gear drives the engaged transmission gear to rotate, the rotating direction of the driving gear is opposite to that of the transmission gear, the transmission gear reverses to drive the rotating shaft to reverse, and the rotating shaft drives the mounting frame and the fishing claw to reverse, so that the fishing claw can smoothly fish the sundries in the main water channel.

[0032] In summary, the present application has at least one of the following beneficial technical effects: 1. By cooperating the drainage channel, the main water channel, the auxiliary water channel, the rotating shaft, the mounting frame, the fishing claw, the driving shaft, the driving blade, the transmission member, and the recycling device, the driving blade is driven to rotate by the water flow, the driving shaft, the transmission member, the rotating shaft, and the mounting frame are cooperated to enable the fishing claw to fish the sundries in the main water channel, and the fishing claw is continuously transferred to the recycling device during the rotating fishing process, thereby avoiding the attachment of the sundries and achieving the effect of cleaning the sundries in the water channel under the condition of ensuring the flow rate of the water flow in the drainage channel; 2. By cooperating the main water channel, the auxiliary water channel, the sediment pool, the limiting platform, the flow limiting door, and the float, the upper layer of the sundries in the water flow is flowed into the main water channel for fishing, and the sediment in the water flow is flowed into the auxiliary water channel and deposited in the sediment pool at the bottom of the auxiliary water channel. 3, through the installation frame, recycling box, rotating pin, mounting hole, mounting pin, reset spring and the cooperation of the pull ring, recycling box is convenient for dismounting and installing, so as to facilitate the cleaning of the sundries in the recycling box. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a structural schematic diagram of a water conservancy drainage channel cleaning device in the embodiment of the application.

[0034] Figure 2 is a structural schematic diagram of another view of a water conservancy drainage channel cleaning device in the embodiment of the application.

[0035] Figure 3 is a structural schematic diagram of an auxiliary water channel in the embodiment of the application.

[0036] Figure 4 is a structural schematic diagram of a salvage device in the embodiment of the application.

[0037] Figure 5 is Figure 4 a sectional view at A-A in FIG.

[0038] Figure 6 is Figure 5 an enlarged view at B in FIG.

[0039] BRIEF DESCRIPTION OF DRAWINGS 1, drainage channel; 11, main water channel; 12, auxiliary water channel; 121, sedimentation tank; 122, sedimentation leak; 2, salvage device; 21, rotating shaft; 22, mounting frame; 23, salvage claw; 231, intercepting rod; 3, driving device; 31, driving shaft; 32, driving blade; 33, transmission member; 331, driving gear; 332, transmission gear; 4, recycling device; 41, recycling box; 42, rotating pin; 43, mounting hole; 44, mounting member; 441, mounting pin; 442, reset spring; 443, pull ring; 5, limiting table; 6, flow limiting door; 61, floating block; 7, counterweight strip. DETAILED DESCRIPTION

[0040] The application will be further described below in conjunction with the accompanying drawings. Figures 1-6 The application will be further described below in conjunction with the accompanying drawings.

[0041] The application discloses a water conservancy drainage channel cleaning device.

[0042] Reference is made to Figure 1The utility model provides a water conservancy project drainage ditch cleaning device, including drainage ditch 1, salvage device 2, drive arrangement 3 and recycling device 4, drainage ditch 1 includes main water channel 11 and auxiliary water channel 12, auxiliary water channel 12 sets up in one side of main water channel 11, and the both ends of auxiliary water channel 12 are communicated with main water channel 11 respectively, salvage device 2 includes rotating shaft 21, mounting bracket 22 and salvage claw 23, rotating shaft 21 is horizontally rotatably connected on the side wall of main water channel 11, and the length direction of rotating shaft 21 is perpendicular to the length direction of main water channel 11, mounting bracket 22 is installed on rotating shaft 21, and salvage claw 23 is fixedly connected on mounting bracket 22 perpendicularly to the axis direction of rotating shaft 21, drive arrangement 3 includes drive shaft 31, drive blade 32 and transmission part 33, drive shaft 31 is horizontally rotatably connected on the side wall of auxiliary water channel 12, drive blade 32 is fixedly connected on drive shaft 31, one end of transmission part 33 is connected with drive shaft 31, and the other end is connected with rotating shaft 21, so that drive shaft 31 rotation drives rotating shaft 21 reverse rotation, recycling device 4 is installed on mounting bracket 22, and recycling device 4 is located between rotating shaft 21 and salvage claw 23.

[0043] Water flow through auxiliary water channel 12 drives drive shaft 31 to rotate through drive blade 32, drive shaft 31 rotates and drives rotating shaft 21 to reverse rotation through transmission part 33, rotating shaft 21 reverse rotation drives mounting bracket 22 and salvage claw 23 to reverse rotation simultaneously, so that the rotation direction of salvage claw 23 at the contact with water flow is opposite to the flow direction of water flow, thereby facilitating salvage claw 23 to salvage the sundries floating in the water flow of main water channel 11, and when salvage claw 23 rotates to the upper side, the sundries salvaged by salvage claw 23 drop on recycling device 4 under the action of gravity, thereby reducing the problem that the water flow velocity slows down due to the sundries adhering to salvage claw 23, and further achieving the effect of cleaning the sundries in water channel under the condition of guaranteeing the water flow velocity of main water channel 11.

[0044] The transmission part 33 in the embodiment includes drive gear 331 and transmission gear 332, and other embodiments can also use multiple transmission chains or transmission belts for transmission. In the embodiment, drive gear 331 and transmission gear 332 are used, and the diameter of drive gear 331 is greater than that of transmission gear 332, so that drive gear 331 is more easily driven to rotate transmission gear 332.

[0045] Drive gear 331 is coaxially fixedly connected with drive shaft 31, transmission gear 332 is coaxially fixedly connected with rotating shaft 21, and drive gear 331 is engaged with transmission gear 332, so that drive blade 32 drives drive shaft 31 to rotate, and drive shaft 31 is more easily driven to rotate rotating shaft 21 through the transmission of drive gear 331 and transmission gear 332.

[0046] When the water flow of the auxiliary water channel 12 drives the driving shaft 31 to rotate through the driving blade 32, the driving shaft 31 drives the driving gear 331 to rotate, the driving gear 331 drives the transmission gear 332 to rotate in a meshing mode, the rotation direction of the driving gear 331 is opposite to that of the transmission gear 332, the transmission gear 332 reversely drives the rotating shaft 21 to reverse, and the rotating shaft 21 reversely drives the mounting frame 22 and the fishing claw 23 to reverse, so that the fishing claw 23 can smoothly fish the sundries in the main water channel 11.

[0047] The lower portion of the fishing claw 23 is fixedly connected with the limiting table 5, the limiting table 5 is located between the two ends of the auxiliary water channel 12 communicating with the main water channel 11, and the limiting table 5 is arranged to facilitate the water flow in the main water channel 11 to pass through the auxiliary water channel 12, so that the water flow in the auxiliary water channel 12 is faster, and thus the driving blade 32 can be more stably impacted by the water flow.

[0048] With reference to Figure 2 and Figure 3 Meanwhile, due to the arrangement of the limiting table 5, the deposits in the water flow are blocked by the limiting table 5 and flow into the auxiliary water channel 12, so that in the embodiment, the bottom of the auxiliary water channel 12 is provided with a deposit pool 121, the deposits in the water flow are deposited by the blocking of the driving blade 32 and finally collected in the deposit pool 121 at the bottom of the auxiliary water channel 12, so as to avoid the deposits in the water flow from being deposited in the main water channel 11 in the subsequent flowing process and causing the main water channel 11 to be blocked.

[0049] In an optional embodiment, the deposit pool 121 is provided with a deposit drain 122, one side of the deposit pool 121 and the deposit drain 122 is arranged in an inclined mode, and the inclined sides of the deposit pool 121 and the deposit drain 122 are in close contact with each other. The arrangement of the deposit drain 122 facilitates the cleaning of the deposits in the deposit pool 121.

[0050] Meanwhile, in order to avoid the sundries floating in the main water channel 11 from flowing into the auxiliary water channel 12 and then flowing into the subsequent drainage channel 1, in the embodiment, a flow limiting door 6 is arranged at the water inlet of the auxiliary water channel 12 communicating with the main water channel 11, the flow limiting door 6 is vertically inserted into the inner wall of the main water channel 11, the flow limiting door 6 is provided with a floating block 61, and the floating block 61 and the bottom of the flow limiting door 6 are located on different planes, so that when the water level of the main water channel 11 is lower than that of the limiting table 5, the flow limiting door 6 just blocks the water inlet of the auxiliary water channel 12 communicating with the main water channel 11, and when the water level is too low, the water flow carrying the sundries flows from the auxiliary water channel 12, which causes the auxiliary water channel 12 to be blocked.

[0051] The floating block 61 is arranged in the main water channel 11, so that the floating block 61 can move up and down with the water level of the main water channel 11. When the water level of the main water channel 11 is higher than the limiting table 5, the floating force of the floating block 61 can drive the limiting door 6 to move upwards, so that the auxiliary water channel 12 is communicated with the water inlet of the main water channel 11. At this time, the limiting door 6 at the bottom of the floating block 61 can also block the sundries in the upper layer of the water flow, so as to avoid the sundries in the upper layer of the water flow flowing into the auxiliary water channel 12.

[0052] The mounting frame 22 is provided in plurality. In the embodiment, the mounting frame 22 is provided in four. In other embodiments, three or five mounting frames can be provided according to the size of the drainage channel 1.

[0053] The four mounting frames 22 are uniformly distributed around the rotating shaft 21, and the fishing claws 23 are one-to-one corresponding to the mounting frames 22. The four fishing claws 23 can make the fishing more sufficient.

[0054] Referring to Figure 4 and Figure 5 , the fishing claw 23 includes a plurality of uniformly distributed intercepting rods 231. One end of the intercepting rod 231 is fixedly connected to the mounting frame 22, and the other end is bent towards the rotating direction of the mounting frame 22. The bent intercepting rod 231 reduces the possibility of sundries falling from the intercepting rod 231 after fishing.

[0055] In an optional embodiment, the intercepting rods 231 on adjacent mounting frames 22 are arranged in staggered positions. The staggered arrangement of the intercepting rods 231 on adjacent mounting frames 22 can greatly improve the fishing efficiency.

[0056] In the embodiment, the upper surface of the limiting table 5 is arranged in a concave arc shape. The limiting table 5 arranged in a concave arc shape is used for the intercepting rod 231 to fit the upper surface of the limiting table 5 to rotate around the rotating shaft 21. At least one fishing claw 23 is located in the concave arc shape of the upper surface of the limiting table 5. By arranging at least one fishing claw 23 in the concave arc shape of the upper surface of the limiting table 5, the sundries can be prevented from missing from the gap between adjacent fishing claws 23, so that the fishing claws 23 can fish more cleanly.

[0057] The recycling device 4 comprises a recycling box 41, one side of the recycling box 41 is provided with an opening, and a filter hole is formed in the side of the recycling box 41 away from the opening. One end of the recycling box 41 is fixedly connected with a rotating pin 42, the other end is provided with a mounting hole 43, and the rotating pin 42 is coaxially arranged with the mounting hole 43 and is inserted into the mounting frame 22, the mounting frame 22 is provided with a mounting piece 44 which is inserted into the mounting hole 43. The recycling box 41 is rotatably connected with the mounting frame 22 by the rotating pin 42 and the mounting piece 44, so that the recycling box 41 is always upward during the rotation of the rotating shaft 21, so that the sundries on the fishing claw 23 can easily fall into the recycling box 41 when the recycling box 41 is rotated to the upper side, and the sundries in the recycling box 41 are not easy to spill out when the recycling box 41 is rotated to the lower side.

[0058] In an optional embodiment, the bottom of the recycling box 41 is fixedly connected with a counterweight strip 7, which increases the weight of the bottom of the recycling box 41, so that the recycling box 41 always maintains an opening upward state during the rotation of the rotating shaft 21.

[0059] Referring to Figure 5 and Figure 6 , the mounting piece 44 in this embodiment comprises a mounting pin 441, a return spring 442 and a pull ring 443, the mounting pin 441 is slidably connected to the mounting frame 22, one end of the return spring 442 is fixedly connected to the mounting pin 441, and the other end abuts against the mounting frame 22, the mounting pin 441 is inserted into the mounting hole 43 by the elastic driving of the return spring 442, and the pull ring 443 is installed at the end of the mounting pin 441 away from the mounting hole 43. The cooperation of the mounting pin 441, the return spring 442 and the pull ring 443 facilitates the disassembly and installation of the recycling box 41, thereby facilitating the cleaning of the sundries in the recycling box 41.

[0060] When the recycling box 41 needs to be disassembled and cleaned, the pull ring 443 is pulled to compress the return spring 442, so that the mounting pin 441 is separated from the mounting hole 43, at this time the recycling box 41 can be directly moved to separate the rotating pin 42 from the mounting frame 22, thereby completing the disassembly and cleaning of the recycling box 41.

[0061] When the recycling box 41 needs to be installed, the pull ring 443 is pulled to compress the return spring 442, the rotating pin 42 at one end of the recycling box 41 is inserted into the mounting frame 22, then the mounting hole 43 at the other end of the recycling box 41 is aligned with the mounting pin 441, the pull ring 443 is slowly released to slowly reset the return spring 442, so that the mounting pin 441 is inserted into the mounting hole 43, thereby completing the installation of the recycling box 41.

[0062] The implementation principle of the water conservancy drainage ditch cleaning device is as follows: when the drainage ditch 1 is draining, water flows through the main water channel 11 and the auxiliary water channel 12, and when the water flows to the limiting table 5, the upper floating debris in the water flow flows above the limiting table 5, and the sediment in the water flow flows into the auxiliary water channel 12 along the water flow under the limiting of the limiting table 5, and the water flow flowing through the auxiliary water channel 12 drives the driving shaft 31 to rotate, and at the same time, the water flow collides with the driving blade 32, which is easy to cause the sediment carried by the water flow to deposit, and finally collected in the sediment leakage 122.

[0063] The driving shaft 31 drives the driving gear 331 to rotate synchronously, the driving gear 331 drives the transmission gear 332 to rotate reversely, the transmission gear 332 drives the rotating shaft 21 to rotate reversely, and the rotating shaft 21 drives the mounting frame 22 and the fishing claw 23 to rotate reversely, so that the fishing claw 23 reversely rotates to fish the debris in the water flow above the limiting table 5, and each time when the fishing claw 23 rotates to the upper side, the debris fished by the fishing claw 23 falls into the recycling box 41 under the influence of gravity, thereby reducing the problem of slow water flow speed caused by the debris adhering to the fishing claw 23.

[0064] Through the rotation of the driving blade 32 driven by the water flow, and the cooperation of the driving shaft 31, the driving gear 331, the transmission gear 332, the rotating shaft 21 and the mounting frame 22, the fishing claw 23 fishes the debris in the main water channel 11, and the fishing claw 23 constantly transfers the fished debris to the recycling box 41 during the rotation and fishing, thereby avoiding the adhesion of the debris, and ensuring the cleaning of the debris in the water channel under the condition of the water flow speed of the drainage ditch 1.

[0065] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A hydraulic drainage channel cleaning device, characterised in that, The utility model relates to a drainage ditch (1) and salvage device (2) and drive device (3) and recovery device (4) and limiting platform (5) and depositing pool (121), including: Drainage ditch (1), including main water ditch (11) and auxiliary water ditch (12), the auxiliary water ditch (12) is arranged in one side of the main water ditch (11), and the both ends of auxiliary water ditch (12) are communicated with the main water ditch (11) respectively, Salvage device (2), including rotating shaft (21), mounting bracket (22) and salvage claw (23), the rotating shaft (21) is horizontally rotatably connected on the side wall of the main water ditch (11), and the length direction of rotating shaft (21) is perpendicular to the length direction of the main water ditch (11), the mounting bracket (22) is installed on the rotating shaft (21), the salvage claw (23) is fixedly connected on the mounting bracket (22) perpendicularly to the axis direction of the rotating shaft (21), Drive device (3), including drive shaft (31), drive blade (32) and transmission part (33), the drive shaft (31) is rotatably connected on the side wall of the auxiliary water ditch (12) in horizontal direction, the drive blade (32) is fixedly connected on the drive shaft (31), one end of transmission part (33) is connected with the drive shaft (31), and the other end is connected with the rotating shaft (21), so that the drive shaft (31) rotates and drives the rotating shaft (21) to rotate reversely, Recovery device (4) is installed on the mounting bracket (22), and the recovery device (4) is located between the rotating shaft (21) and the salvage claw (23), and the recovery device (4) is used for collecting sundries salvaged on the salvage claw (23).

2. The hydraulic drainage channel cleaning device of claim 1, wherein: The lower surface of the salvage claw (23) is fixedly connected with a limiting platform (5), the limiting platform (5) is located between the two ends of the auxiliary water ditch (12) communicated with the main water ditch (11), and a depositing pool (121) is formed in the bottom of the auxiliary water ditch (12).

3. The hydraulic engineering drainage channel cleaning device according to claim 2, characterized in that: The upper surface of the limiting platform (5) is concave and arc-shaped, so that the salvage claw (23) can rotate around the rotating shaft (21) while abutting against the upper surface of the limiting platform (5).

4. The hydraulic engineering drainage channel cleaning device according to claim 3, characterized in that: The mounting bracket (22) is provided in plurality, the plurality of mounting brackets (22) are uniformly distributed around the rotating shaft (21), the salvage claw (23) is installed on the mounting bracket (22) one by one, and at least one salvage claw (23) is located in the concave arc-shaped upper surface of the limiting platform (5).

5. The hydraulic engineering drainage channel cleaning device according to claim 4, characterized in that: The salvage claw (23) comprises a plurality of evenly distributed intercepting rods (231), one end of the intercepting rod (231) is fixedly connected to the mounting bracket (22), the other end is bent towards the direction of rotation of the mounting bracket (22), and the intercepting rods (231) on adjacent mounting brackets (22) are arranged in a staggered manner.

6. A drainage channel cleaning device for water engineering works according to any one of claims 1 to 5, characterised in that: The recycling device (4) comprises a recycling box (41), one side of the recycling box (41) is provided with an opening, one end of the recycling box (41) is fixedly connected with a rotating pin (42), the other end is provided with a mounting hole (43), and the rotating pin (42) is close to the opening of the recycling box (41). The rotating pin (42) is coaxially arranged with the mounting hole (43), the rotating pin (42) is inserted into the mounting frame (22), the mounting frame (22) is provided with a mounting piece (44), and the mounting piece (44) is used for being inserted into the mounting hole (43), so that the recycling box (41) is rotatably connected to the mounting frame (22).

7. The hydraulic engineering drainage channel cleaning device according to claim 6, characterized in that: The mounting piece (44) comprises a mounting pin (441), a reset spring (442) and a pull ring (443), the mounting pin (441) is slidably connected to the mounting frame (22), one end of the reset spring (442) is fixedly connected with the mounting pin (441), the other end abuts against the mounting frame (22), so as to drive the mounting pin (441) to be inserted into the mounting hole (43), and the pull ring (443) is installed at one end of the mounting pin (441) away from the mounting hole (43).

8. The hydraulic drainage channel cleaning device of claim 2, wherein: The deposition tank (121) is provided with a deposition hole (122), and one side of the deposition tank (121) and the deposition hole (122) is inclined.

9. The hydraulic drainage channel cleaning device of claim 2, wherein: The auxiliary water channel (12) is provided with a flow limiting door (6) at the water inlet communicated with the main water channel (11), and the flow limiting door (6) is provided with a floating block (61). When the water level of the main water channel (11) is lower than the limiting table (5), the flow limiting door (6) blocks the water inlet communicated with the main water channel (11). When the water level of the main water channel (11) is higher than the limiting table (5), the water inlet communicated with the main water channel (11) is communicated.

10. The hydraulic drainage channel cleaning device of claim 1, wherein: The transmission member (33) comprises a driving gear (331) and a transmission gear (332), the driving gear (331) is coaxially fixedly connected with the driving shaft (31), the transmission gear (332) is coaxially fixedly connected with the rotating shaft (21), and the driving gear (331) is engaged with the transmission gear (332).

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