Dredging device for water conservancy project

Abstract

The utility model discloses a desilting device for hydraulic engineering, which belongs to the technical field of hydraulic engineering and comprises a desilting ship, a mounting frame is arranged at one end of the desilting ship, an adjustable desilting mechanism is arranged in the middle of the mounting frame, and a filtering and draining mechanism is arranged at the top of the desilting ship. The adjustable desilting mechanism comprises a hydraulic push rod arranged in the middle of the mounting frame, the output end of the hydraulic push rod is fixedly connected with an adjusting frame, two desilting cylinders are fixedly connected to the side wall of the adjusting frame, and rotating shafts are connected to the middles of the desilting cylinders through bearings. The height of the desilting cylinder is adjusted by arranging the adjustable desilting mechanism, desilting and conveying of silt with different depths are achieved, the silt can be pre-smashed before being pumped, the silt pumping efficiency is improved, the pumped silt is filtered by arranging the filtering and draining mechanism, and the silt pumping efficiency is improved. And water in the sludge is filtered out, so that the sludge cleaning efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy engineering technical field especially is related to a water conservancy engineering is with dredging device. BACKGROUND

[0002] In water conservancy engineering, dredging work is the key link to ensure water flow and normal operation of water conservancy facilities. Especially in reservoirs, river channels, dams and other water conservancy projects, long-term operation or affected by external factors, silt will continue to accumulate, which not only affects the flow rate and water level of water flow, but also may cause the blockage of the dam and damage to the equipment, thereby threatening the safety and functionality of water conservancy projects, therefore, regular dredging of water conservancy projects is a necessary measure to ensure project safety and improve water resource utilization efficiency.

[0003] Most of the existing dredging devices directly use dredging pumps to extract and clean the silt, but the silt contains some large and heavy soil blocks, and the dredging pump cannot effectively extract these soil blocks, resulting in incomplete dredging process and reduced dredging efficiency, which is not conducive to the construction of water conservancy projects.

[0004] The existing patent (publication number: CN216108701U) is a dredging device for water conservancy engineering, which includes a base, a support on the base, a collection tank for collecting silt, a silt pump on the support, a silt pipe, a silt suction pipe and a silt suction structure on the silt suction pipe, the silt suction structure includes a silt suction box on the silt suction pipe, a silt suction bucket on the silt suction box, a silt crushing shaft in the silt suction bucket, a silt crushing paddle on the silt crushing shaft, a silt crushing groove on the silt crushing paddle, a silt crushing gear on the silt crushing shaft, a driven bevel gear on one silt crushing gear, a driving shaft on the base, a driving motor for driving the driving shaft to rotate, a driving bevel gear on the driving shaft and a dredging assembly for silt.

[0005] To solve the above problems, the existing patent provides a solution, but it cannot adjust the depth of the silt suction structure into the water, resulting in the problem of not being able to adjust the dredging of silt at different depths, and the existing dredging device cannot pre-crush the silt, which makes it difficult to suck out and transport the silt due to the silt deposited at the bottom of the riverbed.

[0006] Therefore, a dredging device for water conservancy engineering is proposed. Utility model content

[0007] The utility model discloses a dredging device for water conservancy project can solve the existing dredging device for water conservancy project cannot adjust the depth of suction sludge structure in water, resulting in cannot adjust the problem of the silt of different depth and carry out dredging, and the existing dredging device cannot carry out the pre-smashing treatment of silt, and the silt is difficult to be sucked out and transported due to the deposition of silt at the bottom of riverbed.

[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a dredging device for water conservancy project, including dredging ship, one end of dredging ship is provided with mounting bracket, the middle part of mounting bracket is provided with adjustable dredging mechanism, and the top of dredging ship is provided with filter drainage mechanism.

[0009] The adjustable dredging mechanism includes a hydraulic push rod arranged in the middle part of the mounting bracket, the output end of the hydraulic push rod is fixedly connected with an adjusting frame, two dredging barrels are fixedly connected on the side wall of the adjusting frame, a rotating shaft is connected with the middle part of the dredging barrel through a bearing, a screw conveyor is arranged on the side wall of the rotating shaft, a first motor is bolted on the top of the dredging barrel, the output end of the first motor is fixedly connected with the rotating shaft, a bucket is fixedly connected with the bottom of the dredging barrel, a smashing shaft is connected with the middle part of the bucket through a bearing, a plurality of smashing impellers are fixedly connected on the side wall of the smashing shaft, a second motor is bolted on the side wall of the bucket, and the output end of the second motor is fixedly connected with the smashing shaft.

[0010] Preferably, the filter drainage mechanism includes a filter box arranged on the top of the dredging ship, a support frame is arranged in the filter box, a filter screen is arranged in the middle part of the support frame, liquid discharge pipes are arranged at both ends of the filter box, the liquid discharge pipes are located below the support frame, a silt discharge pipe is arranged on the top of the dredging barrel, and the silt discharge pipe is arranged obliquely.

[0011] Preferably, a mud pumping device is arranged on the top of the dredging ship, the input end of the mud pumping device is connected with the filter box in a penetrating mode, the output end of the mud pumping device is provided with a horizontal pipe, and a mud injection pipe is arranged on the side wall of the horizontal pipe.

[0012] Preferably, a telescopic corrugated pipe is arranged at the bottom of the silt discharge pipe, a connecting frame is fixedly connected on the side wall of the filter box, and the connecting frame is fixedly connected with the telescopic corrugated pipe.

[0013] Preferably, a sealing cover is bolted on the side wall of the bucket, the second motor is located in the sealing cover, and the top of the sealing cover is fixedly connected with an air exchange pipe.

[0014] Preferably, a filter screen cover is fixedly connected on the top of the air exchange pipe, and a waterproof roof is fixedly connected on the top of the filter screen cover.

[0015] Preferably, the middle part of the mounting frame is fixedly connected with two guide rods, and the adjusting frame is movably connected with the guide rods.

[0016] Preferably, a metal mesh is fixedly connected to the inner wall of the bucket, and the metal mesh is arranged in an arc shape.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1. The adjustable dredging mechanism is provided, the height of the dredging cylinder is adjusted, the silt of different depths is dredged and transported, the silt is pre-crushed before being extracted, the efficiency of silt extraction is improved, the height of the adjusting frame is adjusted through the push-pull transportation of the hydraulic push rod, the dredging cylinder can be deep into the riverbed at different depths, the dredging depth and range can be flexibly adjusted through the hydraulic push rod and the dredging cylinder with adjustable height, thereby meeting the dredging needs of different water areas, the combination of the auger and the bucket can efficiently shovel and crush the sediments, the efficiency of dredging is improved, the second motor at the bottom of the bucket drives the crushing shaft to rotate, the crushing impeller fixedly arranged on the crushing shaft crushes the blocky silt, the smooth transportation of the silt is ensured, the crushed silt is discharged through the inclined silt discharge pipe at the top of the dredging cylinder, and subsequent processing is facilitated.

[0019] 2. The filter drainage mechanism is provided, the extracted silt is filtered, the water in the silt is filtered out, and the efficiency of silt cleaning is improved, specifically, after the silt enters the filter box, solid-liquid separation is performed through the filter screen plate arranged on the supporting frame, the separated water is discharged through the liquid discharge pipe, and the solid silt remains in the filter box. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is the overall structure view of the present application;

[0022] Figure 2 It is the structure schematic view of the adjustable dredging mechanism in the present application;

[0023] Figure 3 It is the front view structure schematic view of the present application;

[0024] Figure 4 It is the present application Figure 3A-A is a schematic diagram of a cross section of a perspective view;

[0025] Figure 5 The utility model discloses Figure 3 B-B is a schematic diagram of a cross section of a perspective view.

[0026] Explanation of reference signs:

[0027] 1, dredging ship;2, mounting rack;3, adjustable dredging mechanism;4, filter drainage mechanism;31, hydraulic push rod;32, adjusting frame;33, dredging cylinder;34, rotating shaft;35, auger;36, first motor;37, bucket;38, crushing shaft;39, crushing impeller;310, second motor;41, filter box;42, support frame;43, filter screen plate;44, liquid discharge pipe;45, dredging pipe;5, mud pump;6, cross pipe;7, mud injection pipe;8, telescopic bellows;9, connecting frame;10, sealing cover;11, air pipe;12, filter screen cover;13, waterproof roof;14, guide rod;15, metal mesh. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1 to 5 The utility model provides a technical scheme:

[0030] A dredging device for hydraulic engineering, including dredging ship 1, the one end of dredging ship 1 is provided with mounting rack 2, the middle part of mounting rack 2 is provided with adjustable dredging mechanism 3, and the top of dredging ship 1 is provided with filter drainage mechanism 4;

[0031] Adjustable dredging mechanism 3 including setting in the middle part of mounting rack 2 hydraulic push rod 31, the output end of hydraulic push rod 31 is fixedly connected with adjusting frame 32, and the side wall of adjusting frame 32 is fixedly connected with two dredging cylinders 33, the middle part bearing of dredging cylinder 33 is connected with rotating shaft 34, and the side wall of rotating shaft 34 is provided with auger 35, the top of dredging cylinder 33 is bolted with first motor 36, the output end of first motor 36 is fixedly connected with rotating shaft 34, the bottom of dredging cylinder 33 is fixedly connected with bucket 37, the middle part bearing of bucket 37 is connected with crushing shaft 38, a plurality of crushing impellers 39 are fixedly connected on the side wall of crushing shaft 38, the side wall of bucket 37 is bolted with second motor 310, and the output end of second motor 310 is fixedly connected with crushing shaft 38.

[0032] Specifically, asFigure 5 As shown in the figure, the side wall of the bucket 37 is bolted with a sealing cover 10, the second motor 310 is located inside the sealing cover 10, and the top of the sealing cover 10 is fixedly connected to the air pipe 11.

[0033] Specifically, as shown in the figure, Figure 5 As shown in the figure, the top of the air pipe 11 is fixedly connected with a filter screen cover 12, and the top of the filter screen cover 12 is fixedly connected with a waterproof top 13.

[0034] Specifically, as shown in the figure, Figure 4 As shown in the figure, the middle of the mounting frame 2 is fixedly connected with two guide rods 14, and the adjusting frame 32 is movably connected with the guide rods 14.

[0035] Specifically, as shown in the figure, Figure 5 As shown in the figure, the inner wall of the bucket 37 is fixedly connected with a metal screen 15, and the metal screen 15 is arranged in an arc shape.

[0036] In use, first, the bucket 37 at the bottom of the dredging cylinder 33 is driven to rotate by the second motor 310 on the side wall thereof, the pulverizing shaft 38, and the pulverizing impeller 39 fixedly connected with the pulverizing shaft 38, so as to pulverize the mud, especially the large pieces of mud or stones, which are rolled in, to ensure that they can be smoothly conveyed. The first motor 36 is started to drive the rotating shaft 34 in the middle of the dredging cylinder 33 to rotate, thereby driving the auger 35 to rotate, effectively rolling the mud in the riverbed or lake bottom into the dredging cylinder 33, and discharging the mud through the mud discharge pipe 45. The adjusting frame 32 and the cleaning cylinder thereon are driven by the hydraulic push rod 31 to be adjusted up and down or in angle, so as to adapt to the dredging requirements of different depths. The sealing cover 10 on the side wall of the bucket 37 not only provides protection for the second motor 310 to prevent it from being damaged due to direct exposure to harsh environments, but also communicates with the external environment through the air pipe 11 to meet the heat dissipation requirements of the motor during operation. The filter screen cover 12 and the waterproof top 13 at the top of the air pipe 11 are designed to further ensure that external impurities and moisture cannot enter the sealing cover 10, affecting the normal operation of the motor. The movable connection of the guide rods 14 in the middle of the mounting frame 2 with the adjusting frame 32 provides stable guidance and support for the up and down or angle adjustment of the dredging cylinder 33, ensuring the accuracy and safety of the dredging operation. The arc-shaped metal screen 15 fixedly connected to the inner wall of the bucket 37 helps to further break up the lumps in the mud and prevent large objects from blocking the dredging cylinder 33.

[0037] Specifically, as shown in the figure, Figure 4 As shown in the figure, the filter drainage mechanism 4 includes a filter box 41 arranged at the top of the dredging ship 1, a support frame 42 arranged inside the filter box 41, a filter screen plate 43 arranged in the middle of the support frame 42, and a liquid discharge pipe 44 arranged at both ends of the filter box 41, the liquid discharge pipe 44 being located below the support frame 42. The top of the dredging cylinder 33 is provided with a mud discharge pipe 45, and the mud discharge pipe 45 is arranged in an inclined manner.

[0038] Specifically, as shown in Figure 3 The top of the dredging ship 1 is provided with a mud pumping pump 5, the input end of the mud pumping pump 5 is connected with the filter box 41 in a through manner, and the output end of the mud pumping pump 5 is provided with a horizontal pipe 6, and the side wall of the horizontal pipe 6 is provided with a mud spraying pipe 7.

[0039] Specifically, as shown in Figure 4 The bottom of the dredging pipe 45 is provided with a telescopic bellows 8, the side wall of the filter box 41 is fixedly connected with a connecting frame 9, and the connecting frame 9 is fixedly connected with the telescopic bellows 8.

[0040] In use, the discharged sludge enters the filter drainage mechanism 4, specifically, the sludge first enters the filter box 41, and the solid-liquid separation is performed by the filter screen 43 in the middle of the support frame 42, the separated water is discharged through the liquid discharge pipe 44, and the solid sludge is left in the filter box 41. In order to further improve the continuity and efficiency of sludge treatment, the top of the dredging ship 1 is provided with a mud pumping pump 5, the mud pumping pump 5 is connected with the filter box 41 in a through manner, the filtered sludge is pumped to the horizontal pipe 6, and the mud spraying pipe 7 on the side wall of the horizontal pipe 6 can uniformly spray the sludge to the designated area, which is convenient for subsequent collection and treatment. Through the setting of the telescopic bellows 8 and the connecting frame 9, the bottom of the dredging pipe 45 of the dredging cylinder 33 is always located inside the filter box 41.

[0041] By adopting the above technical scheme, the problem that the existing dredging device for water conservancy projects cannot adjust the depth of the mud suction structure into the water, resulting in the problem that the dredging of sludge with different depths cannot be adjusted, is solved. At the same time, the existing dredging device cannot pre-crush the sludge, and the sludge is difficult to be sucked out and transported due to the deposition of the sludge at the bottom of the riverbed.

[0042] Working principle: in use, first through the hydraulic push rod 31 drive adjusting frame 32 and its on clean cylinder up and down or angle adjustment, to adapt to different depth of dredging needs, located in the bottom of dredging cylinder 33 bucket 37 through its sidewall on the second motor 310 drive pulverizer shaft 38 rotation, pulverizer shaft 38 fixed on the pulverizing impeller 39 of the sludge into the crushing processing especially for large sludge or stone, to ensure that it can be smoothly delivered, the first motor 36 start, drive the rotating shaft 34 in the middle of dredging cylinder 33 rotation, in turn drive auger 35 rotation, effectively into the sludge of riverbed or lake bottom into the dredging cylinder 33, and through the dredging pipe 45, the sludge first into the filter box 41, by the support frame 42 middle filter screen 43 solid-liquid separation, separated out by the liquid discharge pipe 44, while the solid sludge is left in the filter box 41, in order to further improve the continuity and efficiency of sludge treatment, dredging ship 1 top is provided with mud pump 5, mud pump 5 through the input end and filter box 41 through connection, after filtering sludge pumping to the horizontal pipe 6, the horizontal pipe 6 side wall on the mud pipe 7 can be evenly sprayed to the designated area, sludge, for subsequent collection and processing.

[0043] Finally, it should be noted that: the above examples are used to illustrate the technical scheme of the utility model, rather than limit it; although the utility model is described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. A device for dredging waterworks, comprising a dredging boat (1), characterized in that: One end of the dredging ship (1) is provided with a mounting frame (2), the middle part of the mounting frame (2) is provided with an adjustable dredging mechanism (3), and the top of the dredging ship (1) is provided with a filtering drainage mechanism (4). The adjustable dredging mechanism (3) comprises a hydraulic push rod (31) arranged in the middle part of the mounting frame (2), the output end of the hydraulic push rod (31) is fixedly connected with an adjusting frame (32), two dredging barrels (33) are fixedly connected on the side wall of the adjusting frame (32), a rotating shaft (34) is connected with the middle part of the dredging barrel (33) through a bearing, a auger (35) is arranged on the side wall of the rotating shaft (34), a first motor (36) is bolted to the top of the dredging barrel (33), the output end of the first motor (36) is fixedly connected with the rotating shaft (34), a bucket (37) is fixedly connected to the bottom of the dredging barrel (33), a crushing shaft (38) is connected with the middle part of the bucket (37) through a bearing, a plurality of crushing impellers (39) are fixedly connected on the side wall of the crushing shaft (38), a second motor (310) is bolted to the side wall of the bucket (37), and the output end of the second motor (310) is fixedly connected with the crushing shaft (38).

2. The device for dredging according to claim 1, characterized in that: The filtering drainage mechanism (4) comprises a filter box (41) arranged on the top of the dredging ship (1), a supporting frame (42) is arranged in the filter box (41), a filter screen (43) is arranged in the middle part of the supporting frame (42), two liquid discharge pipes (44) are arranged at two ends of the filter box (41), the liquid discharge pipes (44) are located below the supporting frame (42), a dredging pipe (45) is arranged at the top of the dredging barrel (33), and the dredging pipe (45) is arranged obliquely.

3. The device for dredging according to claim 2, characterized in that: The top of the dredging ship (1) is provided with a mud pump (5), the input end of the mud pump (5) is connected with the filter box (41) in a penetrating manner, the output end of the mud pump (5) is provided with a cross pipe (6), and the side wall of the cross pipe (6) is provided with a mud injection pipe (7).

4. The device for dredging according to claim 2, characterized in that: The bottom of the dredging pipe (45) is provided with a telescopic corrugated pipe (8), the side wall of the filter box (41) is fixedly connected with a connecting frame (9), and the connecting frame (9) is fixedly connected with the telescopic corrugated pipe (8).

5. The device for dredging according to claim 1, characterized in that: The side wall of the bucket (37) is bolted with a sealing cover (10), the second motor (310) is located in the sealing cover (10), and the top of the sealing cover (10) is fixedly connected with an air exchange pipe (11).

6. The device for dredging according to claim 5, characterized in that: The top of the air exchange pipe (11) is fixedly connected with a filter screen cover (12), and the top of the filter screen cover (12) is fixedly connected with a waterproof roof (13).

7. The device for dredging according to claim 1, characterized in that: The middle part of the mounting frame (2) is fixedly connected with two guide rods (14), and the adjusting frame (32) is movably connected with the guide rods (14).

8. The device for dredging according to claim 1, characterized in that: The inner wall of the bucket (37) is fixedly connected with a metal mesh (15), and the metal mesh (15) is arranged in an arc shape.

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