River channel desilting device for water conservancy project

Abstract

The invention discloses a river channel desilting device for water conservancy projects, and belongs to the technical field of water conservancy projects, the river channel desilting device comprises a collecting box used for storing sludge, a sludge pump is fixedly mounted at the top of the collecting box, and a feeding pipe and a discharging pipe are respectively communicated in a feeding port and a discharging port of the sludge pump; the extraction mechanism is used for extracting sludge, and the extraction mechanism comprises a mounting seat, an extraction pipe and a connecting pipe; the dewatering mechanism is used for dewatering sludge and comprises a collecting hopper and a dewatering cylinder, a conveying shaft is rotatably mounted in the dewatering cylinder, a spiral auger is fixedly mounted on the outer side of the conveying shaft, and the collecting hopper is slidably connected to the upper portion of the dewatering cylinder. Through the cooperation of the extraction mechanism and the dehydration mechanism, automatic extraction and dehydration of river silt can be achieved, the crushing mechanism is matched to achieve cutting and scattering of the silt, the scattering effect can be adjusted according to the flowing degree of the silt, the fluidity of the silt is improved, silt blockage is avoided, and the desilting efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy projects, and in particular to a river channel desilting device for water conservancy projects. Background Art

[0002] Rivers are one of the most important means of transporting artificial and natural water sources in human history, and are widely used in agricultural irrigation and many other areas of life. Rivers are important channel structures in water conservancy projects, and play the role of transporting water, diverting water for power generation, and agricultural irrigation. However, after a period of time, silt will accumulate at the bottom of the river. If it is not cleared for a long time, it will cause blockage of the river, rising river water, and deterioration of water quality. Therefore, it is necessary to regularly dredge the river. Therefore, when dredging the river, a dredging device is needed.

[0003] In the process of extracting sludge by conventional river channel desilting equipment, the higher the concentration of solid particles in the river channel sludge, the worse its fluidity, which easily leads to blockage of pipes and pump bodies, and debris in the river channel entering the pump body will also cause blockage; therefore, we propose a river channel desilting device for water conservancy projects to solve this problem. Summary of the invention

[0004] The purpose of the present invention is to provide a river channel desilting device for water conservancy projects to solve the problems raised in the above background technology.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A river channel dredging device for water conservancy projects, comprising:

[0007] A collecting box is used to store sludge. A sludge pump is fixedly installed on the top of the collecting box. The feed inlet and the discharge outlet of the sludge pump are respectively connected to a feed pipe and a discharge pipe;

[0008] An extraction mechanism for extracting sludge, the extraction mechanism comprising a mounting seat, an extraction pipe and a connecting pipe, and a disassembling frame is fixedly connected to the outside of the extraction pipe, a connecting shaft is fixedly connected to the bottom of the disassembling frame, a disassembling rod is fixedly installed on the outside of the connecting shaft, an inner rotating piece is fixedly connected to the bottom end of the connecting shaft, a round cover is fixedly connected to the top of the mounting seat, the connecting pipe is fixedly connected to the inside of the round cover, and the extraction pipe is movably sleeved on the bottom end of the outside of the connecting pipe, a plurality of first varistors are fixedly connected to the inner wall of the top of the round cover, and the bottoms of the plurality of first varistors are fixedly connected to the same connecting frame, the connecting frame is rotatably sleeved on the outside of the extraction pipe, and the connecting pipe is slidably sleeved on the outside of the feeding pipe;

[0009] The dewatering mechanism is used for dewatering sludge. The dewatering mechanism comprises a collecting bucket and a dewatering cylinder. A conveying shaft is rotatably installed in the dewatering cylinder, a spiral auger is fixedly installed on the outer side of the conveying shaft, and the collecting bucket is slidably connected to the top of the dewatering cylinder.

[0010] Preferably, the dehydration mechanism further comprises a crushing mechanism, the crushing mechanism comprises a driving mechanism and a plurality of vertical shafts, the vertical shafts are rotatably connected to the inside of the mounting seat, a plurality of crushing knives are fixedly mounted on the outside of the vertical shafts, and an outer rotating piece is fixedly connected to the bottom end of the vertical shafts;

[0011] A small gear is fixedly connected to the top of the vertical shaft, a large gear is fixedly installed on the outside of the extraction tube, a plurality of small gears are meshed with the large gear, and the driving mechanism is used to drive one of the vertical shafts to rotate.

[0012] Preferably, the driving mechanism comprises a driving motor, a driving shaft, a driving disc, a connecting disc, an annular plate and two fixing plates, the driving motor is fixedly mounted on the top of the circular cover, the top end of the driving shaft is fixedly connected to the output shaft of the driving motor, and the bottom end of the driving shaft is fixedly connected to the top of the driving disc, the connecting disc is rotatably connected to the bottom of the driving disc, and the connecting disc is fixedly connected to the top of one of the vertical shafts;

[0013] Both sides of the bottom of the driving disk are provided with arc grooves, and two arc plates are fixedly installed on the top of the connecting disk. The two arc plates are respectively slidably connected in the corresponding arc grooves, and the front and rear sides of the arc plates are fixedly connected with compression springs, and the other end of the compression spring is fixedly connected to the inner wall of the corresponding arc groove;

[0014] The two fixing plates are fixedly connected to the top inner wall of the circular cover, and square holes are provided on both sides of the top of the annular plate. The two fixing plates are slidably connected to the corresponding square holes, and a transverse groove is provided on one side of one of the square holes. A pressure plate is slidably installed in the transverse groove. The pressure plate is integrally formed with a trapezoidal protrusion, and a return spring is fixedly connected to the other side of the pressure plate. The other end of the return spring is fixedly connected to the corresponding transverse groove. The first button and the second button are fixedly installed on the side walls of the two transverse grooves respectively.

[0015] The outer side of the driving disk is slidably connected with a plurality of push plates, the top of the connecting disk is fixedly installed with a connecting ring, the top of the connecting ring is provided with a plurality of arc-shaped grooves, the push plates are movably abutted in the corresponding arc-shaped grooves, and the top of the push plates is fixedly connected with an arc-shaped seat, the bottom of the annular plate is fixedly installed with an annular track, the arc-shaped seat is slidably sleeved on the outer side of the annular track, and the outer side of the push plates is fixedly connected with a connecting spring, and the top end of the connecting spring is fixedly connected to the outer side of the driving disk;

[0016] A connecting column is fixedly connected to the top of the connecting disk, and the connecting column is rotatably connected to the driving disk. The first varistor is connected in series to the circuit of the driving motor. After the annular plate moves up, it can push the two pressing plates to move and press the second button and the first button. When the first button is pressed, the driving motor is controlled to stop running.

[0017] A first protective cover is fixedly connected to the top of the circular cover, and the first protective cover is arranged on the outside of the driving motor.

[0018] Preferably, the bottom of the mounting seat is fixedly connected to a hemispherical mesh cover, a plurality of mesh holes are provided on the outer side of the hemispherical mesh cover, and a retaining net is fixedly connected inside the extraction pipe;

[0019] A fixing seat is fixedly installed on the outer side of the collecting box, the feed pipe is fixedly installed in the fixing seat, and two electric push rods are fixedly connected to the bottom of the fixing seat, the output ends of the two electric push rods are fixedly connected to the same driving ring, and the outer side of the connecting tube is fixedly sleeved with a mounting ring, the mounting ring is fixedly installed on the bottom of the driving disk by bolts, and guide columns are fixedly connected to the front and rear sides of the bottom of the fixing seat, the driving ring is slidably sleeved on the outer sides of the two guide columns, and when the second button is pressed, the output ends of the two electric push rods are controlled to extend and retract back and forth within a small range.

[0020] Preferably, a plurality of water leakage holes are opened on the outside of the dehydration cylinder, and one side of the dehydration cylinder is open, and the other side of the dehydration cylinder is fixedly connected with a conveying motor and a second protective cover, the conveying motor is arranged in the second protective cover, and one end of the conveying shaft is fixedly connected to one end of the conveying motor.

[0021] Preferably, an annular seat is fixedly installed on the outer side of the collecting bucket, a plurality of support springs are fixedly connected to the outer side of the annular seat, the bottom ends of the plurality of support springs are fixedly connected to the same support ring, and a damper is fixedly connected between the support ring and the annular seat, a plurality of second varistors are fixedly connected to the bottom of the support ring, the second varistors are fixedly connected to the top of the collecting box, a plurality of fixed rods are fixedly connected to the top of the collecting box, the annular seat and the support ring are slidably sleeved on the outer sides of the plurality of fixed rods, and the second varistors are connected in series to the circuit of the conveying motor.

[0022] Preferably, two hanging rings are fixedly installed on the outer side of the dehydration cylinder, the top of the hanging ring is fixedly connected to the top inner wall of the collection box, and the bottom of the collection box is fixedly installed with a base;

[0023] A drainage port is provided on one side of the collection box, and a guide groove is fixedly installed in the drainage port.

[0024] Preferably, a cylinder is fixedly connected to one side of the collection box, a push plate is slidably connected inside the collection box, the push plate is fixedly connected to the output end of the cylinder, and a plurality of pressure sensors are fixedly connected to the bottom inner wall of the collection box, the tops of the plurality of pressure sensors are fixedly connected to the same support plate, the pressure sensor is used to monitor the pressure on the support plate, and when the pressure value monitored by the pressure sensor reaches a preset value, the sludge pump is controlled to stop running;

[0025] A crossbeam is fixedly installed in the collecting box, and the push plate is slidably sleeved on the outer side of the crossbeam.

[0026] Preferably, a discharge port is provided on the other side of the collection box, a slide groove is provided on the top inner wall of the discharge port, a sealing door is slidably connected in the slide groove, a positioning spring is fixedly connected to the top of the sealing door, and the top of the positioning spring is fixedly connected to the collection box.

[0027] Preferably, a vertical spring is fixedly connected to the top of the connecting frame, the top of the vertical spring is fixedly connected to the top inner wall of the round cover, and a plurality of limit columns are fixedly connected to the top inner wall of the round cover, the connecting frame is slidably sleeved on the outer side of the limit column, and the bottom end of the limit column is integrally formed with a limit protrusion, and the limit protrusion movably abuts against the bottom of the connecting frame.

[0028] The beneficial effects of the present invention are:

[0029] 1. In the present invention, a river channel desilting device for water conservancy projects is placed next to the river channel silt accumulation site so that the extraction mechanism is located above the river channel silt accumulation site, and then the driving motor is started. The driving motor drives the driving disc to rotate through the driving shaft, and the driving disc drives the connecting disc to rotate through the cooperation of the compression spring and the arc plate. The connecting disc drives one of the small gears to rotate, and drives the extraction pipe and other vertical shafts to rotate through the meshing of the large gear and the small gear. The vertical shaft drives the crushing knife and the outer rotating piece to rotate, and the extraction pipe drives the shattering frame, the shattering rod, the connecting shaft and the inner rotating piece to rotate, and the electric push rod is started to drive the driving ring to move downward, and drives the extraction through the mounting ring. The mechanism moves downward, so that the extraction mechanism extends into the silt accumulation area in the river channel, so that the silt and solid impurities can be cut and crushed by the crushing knife, and the sludge can be broken up by the sludge breaking rod. By starting the sludge pump, negative pressure is generated in the feed pipe, and the sludge at the bottom of the extraction pipe is extracted, so that the sludge passes through the mesh cover, the filter net, the extraction pipe, the connecting pipe, the feed pipe and the discharge pipe into the collection bucket. The mesh cover performs preliminary filtering of large sludge and solid impurities, and the filter net further filters the sludge and impurities. The large sludge and solid impurities remaining under the filter net are gradually thrown away under the action of centrifugal force and are further broken up by the sludge breaking rack.

[0030] 2. In the present invention, in the river channel desilting device for water conservancy projects, when there are more solid impurities in the silt and the fluidity of the silt is poor, the silt accumulates on the surface of the filter screen, thereby increasing the filtering resistance of the filter screen, and pressing the first varistor to reduce the resistance of the first varistor. The first varistor is connected in series to the circuit of the driving motor, so that the power of the driving motor is increased, thereby increasing the rotation speed of the vertical axis and the extraction pipe, thereby improving the crushing and breaking up effect of the silt, thereby improving the fluidity of the silt and avoiding clogging the filter screen. The extraction pipe drives the filter screen to rotate at an increased speed, which can increase the centrifugal force of the silt remaining on the filter screen, thereby accelerating its throwing off and continuing to break it up, thereby avoiding clogging;

[0031] 3. In the present invention, the river channel desilting device for water conservancy projects drives the connecting disk to rotate through the driving disk, and the resistance of the connecting shaft and the extraction pipe to the silt is transmitted to the connecting disk, and the compression spring is compressed or stretched, and the driving disk and the connecting disk are relatively rotated. The worse the fluidity of the silt, the greater the deformation degree of the compression spring, and the greater the relative rotation angle between the driving disk and the connecting disk. When the connecting disk rotates relative to the driving disk, the connecting ring and the push plate will move relative to each other. The arc-shaped groove on the connecting ring pushes the push plate to move upward by abutting against the push plate, and the push plate drives the annular plate to move upward through the cooperation of the annular seat and the annular track. When the annular plate moves up to abut against the pressure plate below, the pressure plate is pushed to press the second button, controlling the output ends of the two electric push rods to extend and retract back and forth within a small range, thereby driving the extraction mechanism to break up the sludge while shaking up and down, thereby improving the sludge breaking effect. When the annular plate moves up to abut against the pressure plate above, the pressure plate is pushed to press the first button, controlling the sludge pump to stop running, thereby stopping the sludge extraction work, and by continuously crushing and breaking up the sludge, the rotational resistance of the connecting disk is reduced, thereby releasing the pressing of the first button, and the sludge pump restarts to extract the sludge, thereby avoiding blockage caused by extraction when the sludge fluidity is too large;

[0032] 4. In the present invention, the river channel desilting device for water conservancy projects collects silt through a collecting bucket and guides the sludge into a dewatering cylinder. The conveying motor drives the conveying shaft and the spiral auger to rotate, thereby conveying the silt to the left. During the conveying process, the water in the silt leaks out through the water leakage hole and is guided out through the guide groove. When the sludge stored in the collecting bucket increases, the pressure on the second varistor increases, thereby reducing the resistance in the circuit of the conveying motor and increasing the current, thereby increasing the power of the conveying motor, thereby improving the conveying speed, so as to avoid the accumulation of silt in the collecting bucket;

[0033] 5. In the present invention, in the river channel desilting device for water conservancy projects, the pressure sensor is used to monitor the pressure on the support plate. When the pressure value monitored by the pressure sensor reaches a preset value, the sludge pump is controlled to stop running, so that the sludge storage amount in the collection box can be monitored by the pressure sensor. When the preset amount is reached, the sludge pump is automatically controlled to stop the sludge extraction work, so that transportation can be convenient and blockage or difficulty in transportation caused by excessive loading can be avoided. The sealing door is pushed upward to open it, and the cylinder is started to drive the push plate to move horizontally, so that the sludge is pushed out from the discharge port, thereby realizing the discharge work;

[0034] 6. In the present invention, the river channel dredging device for water conservancy projects can realize automatic extraction and dehydration of river channel silt through the cooperation of the extraction mechanism and the dehydration mechanism, and can cooperate with the crushing mechanism to realize the cutting and breaking up of the silt, and can adjust the breaking up effect according to the flow degree of the silt, improve the fluidity of the silt, avoid silt blockage, and improve the dredging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic diagram of the three-dimensional structure of a river channel desilting device for water conservancy projects proposed by the present invention;

[0036] Figure 2 This is a schematic cross-sectional view of a river channel desilting device for water conservancy projects proposed by the present invention;

[0037] Figure 3 for Figure 2 A partial enlarged view of the first part;

[0038] Figure 4 for Figure 3 A partial enlarged view of part A;

[0039] Figure 5 for Figure 2 A partial enlarged view of the second part;

[0040] Figure 6 for Figure 2 A partial enlarged view of the third part;

[0041] Figure 7 for Figure 6 A partial enlarged view of part B;

[0042] Figure 8 This is a schematic diagram of a cross-sectional structure of a river channel desilting device for a water conservancy project proposed by the present invention;

[0043] Fig. 9 It is a three-dimensional structural schematic diagram of the extraction mechanism and the dehydration mechanism proposed by the present invention;

[0044] Fig.10 This is a schematic diagram of the three-dimensional structure of the dehydration mechanism and the guide groove proposed by the present invention;

[0045] Fig.11 A three-dimensional structural schematic diagram of a fixing fixture proposed in the present invention;

[0046] Fig.12 This is a schematic diagram of the three-dimensional structure of the mounting seat and the outer rotating piece proposed by the present invention;

[0047] Fig.13 This is a schematic diagram of the three-dimensional structure of the pulverizing mechanism proposed by the present invention;

[0048] Fig.14 This is a three-dimensional structural schematic diagram of the crushing mechanism proposed by the present invention from another perspective;

[0049] Fig.15 It is a partial three-dimensional structural schematic diagram of the pulverizing mechanism proposed by the present invention;

[0050] Fig.16 It is a schematic diagram of a partial three-dimensional structure of the driving mechanism proposed by the present invention;

[0051] Fig.17 It is a partial cross-sectional three-dimensional structural schematic diagram of the driving mechanism proposed by the present invention;

[0052] Fig.18 This is a schematic diagram of the three-dimensional structure of the drive disk, compression spring and arc plate proposed in the present invention.

[0053] In the figure: 1, collecting box; 101, base; 102, support plate; 103, pressure sensor; 2, sludge pump; 201, feed pipe; 202, discharge pipe; 3, fixed seat; 301, electric push rod; 302, drive ring; 4, mounting seat; 401, round cover; 5, inner rotating piece; 501, connecting shaft; 502, breaking rod; 503, breaking frame; 504, extraction pipe; 505, blocking net; 6, outer rotating piece; 601, vertical shaft; 602, crushing knife; 603, small gear; 604, large gear; 7, dewatering cylinder; 701, conveying shaft; 702, spiral auger; 703, conveying motor; 704, second protective cover; 8, collecting bucket; 801, annular seat; 802, support spring; 803, fixed rod; 804, second varistor; 805, damper; 806, support ring ;9. Connecting tube;901. Mounting ring;10. Push plate;1001. Cylinder;11. Sealing door;1101. Positioning spring;12. Guide groove;13. Connecting frame;1301. First varistor;1302. Limiting column;1303. Vertical spring;14. Connecting plate;1401. Connecting column;1402. Arc plate;1403. Connecting ring;1404. Arc groove;15. Driving motor;1501. First protective cover;1502. Driving shaft;16. Driving plate;17. Push plate;1701. Arc seat;1702. Connecting spring;18. Annular plate;1801. Annular track;19. Hemispherical mesh cover;20. Fixing plate;2001. First button;2002. Second button;2003. Pressing plate;2004. Reset spring;21. Compression spring. DETAILED DESCRIPTION

[0054] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0055] Reference Figure 1-Figure 18 , a river channel dredging device for water conservancy projects, comprising:

[0056] The collecting box 1 is used to store sludge. A sludge pump 2 is fixedly installed on the top of the collecting box 1. The feed inlet and the discharge outlet of the sludge pump 2 are respectively connected to a feed pipe 201 and a discharge pipe 202;

[0057] An extraction mechanism is used to extract sludge. The extraction mechanism includes a mounting seat 4, an extraction tube 504 and a connecting tube 9. A disassembling frame 503 is fixedly connected to the outer side of the extraction tube 504. A connecting shaft 501 is fixedly connected to the bottom of the disassembling frame 503. A disassembling rod 502 is fixedly installed on the outer side of the connecting shaft 501. An inner rotating piece 5 is fixedly connected to the bottom end of the connecting shaft 501. A round cover 401 is fixedly connected to the top of the mounting seat 4. The connecting tube 9 is fixedly connected to the inside of the round cover 401. The extraction tube 504 is movably sleeved on the outer bottom end of the connecting tube 9. A plurality of first varistors 1301 are fixedly connected to the inner wall of the top of the round cover 401. The bottoms of the plurality of first varistors 1301 are fixedly connected to the same connecting frame 13. The connecting frame 13 is rotatably sleeved on the outer side of the extraction tube 504. The connecting tube 9 is slidably sleeved on the outer side of the feed tube 201.

[0058] The dewatering mechanism is used for dewatering the sludge. The dewatering mechanism comprises a collecting bucket 8 and a dewatering cylinder 7. A conveying shaft 701 is rotatably installed in the dewatering cylinder 7. A spiral auger 702 is fixedly installed on the outer side of the conveying shaft 701. The collecting bucket 8 is slidably connected to the top of the dewatering cylinder 7.

[0059] In this embodiment, the dehydration mechanism also includes a crushing mechanism, which includes a driving mechanism and a plurality of vertical shafts 601, the vertical shafts 601 are rotatably connected to the inside of the mounting seat 4, a plurality of crushing knives 602 are fixedly installed on the outside of the vertical shaft 601, and an outer rotating blade 6 is fixedly connected to the bottom end of the vertical shaft 601, and the inner rotating blade 5 and the outer rotating blade 6 can achieve the mixing of sludge and water when rotating, thereby improving the fluidity of sludge and preventing sludge from agglomerating and making it difficult to extract;

[0060] A small gear 603 is fixedly connected to the top of the vertical shaft 601 , a large gear 604 is fixedly installed on the outer side of the extraction tube 504 , and a plurality of small gears 603 are meshed with the large gear 604 . The driving mechanism is used to drive one of the vertical shafts 601 to rotate.

[0061] In this embodiment, the driving mechanism includes a driving motor 15, a driving shaft 1502, a driving disk 16, a connecting disk 14, an annular plate 18 and two fixing plates 20. The driving motor 15 is fixedly mounted on the top of the circular cover 401, and the top end of the driving shaft 1502 is fixedly connected to the output shaft of the driving motor 15, and the bottom end of the driving shaft 1502 is fixedly connected to the top of the driving disk 16, the connecting disk 14 is rotatably connected to the bottom of the driving disk 16, and the connecting disk 14 is fixedly connected to the top of one of the vertical shafts 601;

[0062] Both sides of the bottom of the driving disk 16 are provided with arc grooves, and two arc plates 1402 are fixedly installed on the top of the connecting disk 14. The two arc plates 1402 are slidably connected in the corresponding arc grooves, and the front and rear sides of the arc plates 1402 are fixedly connected with compression springs 21, and the other end of the compression spring 21 is fixedly connected to the inner wall of the corresponding arc groove, so that the power transmission between the driving disk 16 and the connecting disk 14 is realized through the compression spring 21;

[0063] The two fixing plates 20 are fixedly connected to the top inner wall of the circular cover 401, and square holes are provided on both sides of the top of the annular plate 18. The two fixing plates 20 are slidably connected in the corresponding square holes, and a transverse groove is provided on one side of one of the square holes. A pressing plate 2003 is slidably installed in the transverse groove. The pressing plate 2003 is integrally formed with a trapezoidal protrusion, and a return spring 2004 is fixedly connected to the other side of the pressing plate 2003. The other end of the return spring 2004 is fixedly connected to the corresponding transverse groove. The first button 2001 and the second button 2002 are fixedly installed on the side walls of the two transverse grooves respectively.

[0064] The outer side of the driving disk 16 is slidably connected with a plurality of push plates 17, the top of the connecting disk 14 is fixedly installed with a connecting ring 1403, the top of the connecting ring 1403 is provided with a plurality of arc-shaped grooves 1404, the push plates 17 are movably abutted in the corresponding arc-shaped grooves 1404, and the top of the push plates 17 is fixedly connected with an arc-shaped seat 1701, the bottom of the annular plate 18 is fixedly installed with an annular track 1801, the arc-shaped seat 1701 is slidably sleeved on the outer side of the annular track 1801, and the outer side of the push plates 17 is fixedly connected with a connecting spring 1702, and the top end of the connecting spring 1702 is fixedly connected to the outer side of the driving disk 16;

[0065] A connecting column 1401 is fixedly connected to the top of the connecting disk 14, and the connecting column 1401 is rotatably connected to the driving disk 16. The first varistor 1301 is connected in series to the circuit of the driving motor 15. After the annular plate 18 moves upward, it can successively push the two pressing plates 2003 to move and press the second button 2002 and the first button 2001. When the first button 2001 is pressed, the sludge pump 2 is controlled to stop running;

[0066] A first protective cover 1501 is fixedly connected to the top of the circular cover 401 . The first protective cover 1501 is arranged on the outside of the driving motor 15 to achieve waterproof protection for the driving motor 15 .

[0067] In this embodiment, the bottom of the mounting base 4 is fixedly connected to a hemispherical mesh cover 19, and a plurality of mesh holes are provided on the outer side of the hemispherical mesh cover 19. The hemispherical mesh cover 19 can block the agglomerated sludge and solid impurities, and a blocking net 505 is fixedly connected inside the extraction pipe 504, and the blocking net 505 is used to filter the finer sludge blocks and solid impurities to prevent the sludge pump 2 from being blocked;

[0068] A fixing seat 3 is fixedly installed on the outer side of the collecting box 1, a feed pipe 201 is fixedly installed in the fixing seat 3, and two electric push rods 301 are fixedly connected to the bottom of the fixing seat 3, the output ends of the two electric push rods 301 are fixedly connected to the same driving ring 302, a mounting ring 901 is fixedly sleeved on the outer side of the connecting tube 9, the mounting ring 901 is fixedly installed on the bottom of the driving disk 16 by bolts, and guide columns are fixedly connected to the front and rear sides of the bottom of the fixing seat 3, the driving ring 302 is slidably sleeved on the outer sides of the two guide columns, thereby guiding the driving ring 302, and when the second button 2002 is pressed, the output ends of the two electric push rods 301 are controlled to extend and retract back and forth within a small range.

[0069] In this embodiment, a plurality of water leakage holes are provided on the outer side of the dehydration cylinder 7, and one side of the dehydration cylinder 7 is open. A conveying motor 703 and a second protective cover 704 are fixedly connected to the other side of the dehydration cylinder 7. The conveying motor 703 is arranged in the second protective cover 704, and one end of the conveying shaft 701 is fixedly connected to one end of the conveying motor 703.

[0070] In this embodiment, an annular seat 801 is fixedly installed on the outer side of the collecting bucket 8, and a plurality of support springs 802 are fixedly connected to the outer side of the annular seat 801, and the bottom ends of the plurality of support springs 802 are fixedly connected to the same support ring 806, and a damper 805 is fixedly connected between the support ring 806 and the annular seat 801, and a plurality of second varistors 804 are fixedly connected to the bottom of the support ring 806, and the second varistors 804 are fixedly connected to the top of the collecting box 1, and a plurality of fixed rods 803 are fixedly connected to the top of the collecting box 1, and the annular seat 801 and the support ring 806 are both slidably sleeved on the outer sides of the plurality of fixed rods 803, and the second varistors 804 are connected in series to the circuit of the conveying motor 703.

[0071] In this embodiment, two lifting rings are fixedly installed on the outer side of the dehydration cylinder 7, the top of the lifting ring is fixedly connected to the top inner wall of the collection box 1, and the bottom of the collection box 1 is fixedly installed with a base 101 to facilitate fixing the collection box 1 on the vehicle body or the construction ground;

[0072] A drainage port is provided on one side of the collection box 1 , and a guide groove 12 is fixedly installed in the drainage port to facilitate guiding the separated water to the outside of the collection box 1 .

[0073] In this embodiment, a cylinder 1001 is fixedly connected to one side of the collecting box 1, a push plate 10 is slidably connected inside the collecting box 1, the push plate 10 is fixedly connected to the output end of the cylinder 1001, and a plurality of pressure sensors 103 are fixedly connected to the bottom inner wall of the collecting box 1, and the tops of the plurality of pressure sensors 103 are fixedly connected to the same support plate 102, the pressure sensor 103 is used to monitor the pressure on the support plate 102, when the pressure value monitored by the pressure sensor reaches a preset value, the sludge pump 2 is controlled to stop running, so that the sludge storage amount in the collecting box 1 can be monitored by the pressure sensor 103, and when the preset amount is reached, the sludge pump 2 is automatically controlled to stop the sludge extraction work, so that the transportation can be convenient and the blockage or difficulty in transportation due to excessive loading can be avoided;

[0074] A crossbeam is fixedly installed in the collecting box 1, and the push plate 10 is slidably sleeved on the outer side of the crossbeam.

[0075] In this embodiment, a discharge port is provided on the other side of the collecting box 1, and a slide groove is provided on the top inner wall of the discharge port. A sealing door 11 is slidably connected in the slide groove, and a positioning spring 1101 is fixedly connected to the top of the sealing door 11. The top of the positioning spring 1101 is fixedly connected to the collecting box 1, and the sealing door 11 is positioned. The sealing door 11 can be pushed upward to open it, and the cylinder 1001 is started to drive the push plate 10 to move horizontally, thereby pushing the sludge out of the discharge port, thereby realizing the discharge work.

[0076] In this embodiment, the top of the connecting frame 13 is fixedly connected to a vertical spring 1303, the top of the vertical spring 1303 is fixedly connected to the top inner wall of the round cover 401, and a plurality of limit columns 1302 are fixedly connected to the top inner wall of the round cover 401, the connecting frame 13 is slidably sleeved on the outer side of the limit columns 1302, and the bottom end of the limit columns 1302 is integrally formed with a limit protrusion, and the limit protrusion movably abuts against the bottom of the connecting frame 13, thereby guiding, limiting and assisting in positioning the connecting frame 13.

[0077] In this embodiment, when in use, the device is placed next to the river channel silt accumulation place so that the extraction mechanism is located above the river channel silt accumulation place, and then the drive motor 15 is started, and the drive motor 15 drives the drive disk 16 to rotate through the drive shaft 1502, and the drive disk 16 drives the connecting disk 14 to rotate through the cooperation of the compression spring 21 and the arc plate 1402, and the connecting disk 14 drives one of the small gears 603 to rotate, and drives the extraction tube 504 and other vertical shafts 601 to rotate through the meshing of the large gear 604 and the small gear 603, and the vertical shaft 601 drives the crushing knife 602 and The outer rotating piece 6 rotates, and the extraction pipe 504 drives the breaking frame 503, the breaking rod 502, the connecting shaft 501 and the inner rotating piece 5 to rotate, and the electric push rod 301 is started to drive the driving ring 302 to move downward, and the extraction mechanism is driven to move downward through the mounting ring 901, so that the extraction mechanism extends into the silt accumulation place in the river channel, so that the silt and solid impurities can be cut and crushed by the crushing knife 602, and the breaking rod 502 breaks up the silt at the same time, and the sludge pump 2 is started to generate negative pressure in the feed pipe 201, and the sludge at the bottom of the extraction pipe 504 is extracted. The sludge passes through the mesh cover, the filter, the extraction pipe 504, the connection pipe 9, the feed pipe 201 and the discharge pipe 202 into the collecting bucket 8, the mesh cover performs preliminary filtering of solid impurities in the large sludge, the filter further filters the sludge and impurities, the large sludge and solid impurities remaining under the filter are gradually thrown away under the action of centrifugal force, and are further broken up by the breaking frame 503. When there are more solid impurities in the sludge and the fluidity of the sludge is poor, the sludge accumulates on the surface of the filter, thereby increasing the filtering resistance of the filter and applying pressure to the first pressure-sensitive electrode. The resistor 1301 is pressed, so that the resistance of the first piezoresistor 1301 decreases, and the first piezoresistor 1301 is connected in series to the circuit of the driving motor 15, so that the power of the driving motor 15 increases, thereby increasing the rotation speed of the vertical shaft 601 and the extraction pipe 504, thereby improving the crushing and breaking up effect of the sludge, thereby improving the fluidity of the sludge and avoiding clogging of the filter screen, and the extraction pipe 504 drives the filter screen to increase its rotation speed, which can increase the centrifugal force of the sludge remaining on the filter screen, thereby accelerating its throwing off and continuing to break up, thereby avoiding clogging;

[0078] When the driving disk 16 drives the connecting disk 14 to rotate, the resistance of the connecting shaft 501 and the extraction tube 504 to the sludge will be transmitted to the connecting disk 14, and the compression spring 21 will be compressed or stretched, so that the driving disk 16 and the connecting disk 14 will rotate relative to each other, and the worse the fluidity of the sludge, the greater the deformation degree of the compression spring 21 will be, and the relative rotation angle between the driving disk 16 and the connecting disk 14 will be increased. When the connecting disk 14 rotates relative to the driving disk 16, the connecting ring 1403 and the push plate 17 will move relative to each other. The arc groove 1404 on the connecting ring 1403 pushes the push plate 17 to move upward by abutting against the push plate 17. The push plate 17 drives the annular plate 18 to move upward through the cooperation between the annular seat 801 and the annular track 1801. When the annular When the plate 18 moves up to abut against the pressure plate 2003 below, the pressure plate 2003 is pushed to press the second button 2002, and the output ends of the two electric push rods 301 are controlled to extend and retract back and forth within a small range, thereby driving the extraction mechanism to shake up and down while breaking up the sludge, thereby improving the sludge breaking effect. When the annular plate 18 moves up to abut against the pressure plate 2003 above, the pressure plate 2003 is pushed to press the first button 2001, and the sludge pump 2 is controlled to stop running, thereby stopping the sludge extraction work, and by continuously crushing and breaking up the sludge, the rotational resistance of the connecting disk 14 is reduced, thereby releasing the pressing of the first button 2001, and the sludge pump 2 restarts to extract the sludge, thereby avoiding blockage caused by extraction when the sludge fluidity is too large;

[0079] The sludge is collected by the provided collecting bucket 8 and introduced into the dewatering cylinder 7. The conveying shaft 701 and the spiral auger 702 are driven to rotate by the conveying motor 703, so that the sludge is conveyed to the left. During the conveying process, the moisture in the sludge leaks out through the water leakage hole and is discharged through the guide groove 12. When the sludge stored in the collecting bucket 8 increases, the pressure on the second varistor 804 will increase, so that the resistance in the circuit of the conveying motor 703 is reduced and the current is increased, thereby increasing the power of the conveying motor 703, thereby improving the conveying speed, so as to avoid the accumulation of sludge in the collecting bucket 8.

[0080] The above is a detailed introduction to a river channel silting device for water conservancy projects provided by the present invention. Specific embodiments are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A river channel desilting device for water conservancy projects, characterized in that: include: A collecting box (1) for storing sludge, wherein a sludge pump (2) is fixedly mounted on the top of the collecting box (1), and a feed port and a discharge port of the sludge pump (2) are respectively connected to a feed pipe (201) and a discharge pipe (202); The extraction mechanism is used for extracting sludge, the extraction mechanism comprising a mounting seat (4), an extraction pipe (504) and a connecting pipe (9), and the outer side of the extraction pipe (504) is fixedly connected with a disassembly frame (503), the bottom of the disassembly frame (503) is fixedly connected with a connecting shaft (501), the outer side of the connecting shaft (501) is fixedly installed with a disassembly rod (502), the bottom end of the connecting shaft (501) is fixedly connected with an inner rotating piece (5), the top of the mounting seat (4) is fixedly connected with a round cover (401), and the connecting pipe (9) is fixedly connected with a round cover (401). The tube (9) is fixedly connected to the inside of the circular cover (401), and the extraction tube (504) is movably sleeved on the outer bottom end of the connection tube (9), a plurality of first varistors (1301) are fixedly connected to the top inner wall of the circular cover (401), and the bottoms of the plurality of first varistors (1301) are fixedly connected to the same connection frame (13), the connection frame (13) is rotatably sleeved on the outer side of the extraction tube (504), and the connection tube (9) is slidably sleeved on the outer side of the feed tube (201); A dewatering mechanism is used for dewatering sludge, the dewatering mechanism comprising a collecting bucket (8) and a dewatering cylinder (7), a conveying shaft (701) is rotatably mounted inside the dewatering cylinder (7), a spiral auger (702) is fixedly mounted on the outer side of the conveying shaft (701), and the collecting bucket (8) is slidably connected to the top of the dewatering cylinder (7).

2. A river channel desilting device for water conservancy projects according to claim 1, characterized in that: The demoulding mechanism also includes a crushing mechanism, which includes a driving mechanism and a plurality of vertical shafts (601), wherein the vertical shafts (601) are rotatably connected to the inside of the mounting seat (4), a plurality of crushing knives (602) are fixedly installed on the outside of the vertical shaft (601), and an outer rotating piece (6) is fixedly connected to the bottom end of the vertical shaft (601); A small gear (603) is fixedly connected to the top of the vertical shaft (601), a large gear (604) is fixedly installed on the outer side of the extraction tube (504), and a plurality of small gears (603) are meshed with the large gear (604). The driving mechanism is used to drive one of the vertical shafts (601) to rotate.

3. A river channel desilting device for water conservancy projects according to claim 2, characterized in that: The driving mechanism comprises a driving motor (15), a driving shaft (1502), a driving disk (16), a connecting disk (14), an annular plate (18) and two fixing plates (20); the driving motor (15) is fixedly mounted on the top of the circular cover (401) to which the driving motor (15) is fixedly connected, and the top end of the driving shaft (1502) is fixedly connected to the output shaft of the driving motor (15), and the bottom end of the driving shaft (1502) is fixedly connected to the top of the driving disk (16); the connecting disk (14) is rotatably connected to the bottom of the driving disk (16), and the connecting disk (14) is fixedly connected to the top of one of the vertical shafts (601); Both sides of the bottom of the driving disk (16) are provided with arc grooves, and two arc plates (1402) are fixedly installed on the top of the connecting disk (14), and the two arc plates (1402) are respectively slidably connected in the corresponding arc grooves, and the front and rear sides of the arc plate (1402) are fixedly connected with compression springs (21), and the other end of the compression spring (21) is fixedly connected to the inner wall of the corresponding arc groove; The two fixing plates (20) are fixedly connected to the top inner wall of the circular cover (401), and square holes are provided on both sides of the top of the annular plate (18). The two fixing plates (20) are respectively slidably connected in the corresponding square holes, and a transverse groove is provided on one side of one of the square holes. A pressure plate is slidably installed in the transverse groove. The pressure plate is integrally formed with a trapezoidal protrusion, and a reset spring (2004) is fixedly connected to the other side of the pressure plate. The other end of the reset spring (2004) is fixedly connected to the corresponding transverse groove. A first button (2001) and a second button (2002) are respectively fixedly installed on the side walls of the two transverse grooves. The outer side of the driving disk (16) is slidably connected with a plurality of push plates (17); the top of the connecting disk (14) is fixedly installed with a connecting ring (1403); the top of the connecting ring (1403) is provided with a plurality of arc-shaped grooves (1404); the push plate (17) is movably abutted in the corresponding arc-shaped grooves (1404); the top of the push plate (17) is fixedly connected with an arc-shaped seat (1701); the bottom of the annular plate (18) is fixedly installed with an annular track (1801); the arc-shaped seat (1701) is slidably sleeved on the outer side of the annular track (1801); the outer side of the push plate (17) is fixedly connected with a connecting spring (1702); the top end of the connecting spring (1702) is fixedly connected to the outer side of the driving disk (16); A connecting column (1401) is fixedly connected to the top of the connecting disk (14), and the connecting column (1401) is rotatably connected to the driving disk (16). The first varistor (1301) is connected in series to the circuit of the driving motor (15). After the annular plate (18) moves upward, it can push the two pressing plates to move and press the second button (2002) and the first button (2001). When the first button (2001) is pressed, the driving motor (15) is controlled to stop running. A first protective cover (1501) is fixedly connected to the top of the circular cover (401), and the first protective cover (1501) is arranged on the outside of the driving motor (15).

4. A river channel desilting device for water conservancy projects according to claim 3, characterized in that: The bottom of the mounting seat (4) is fixedly connected to a hemispherical mesh cover (19), a plurality of mesh holes are provided on the outer side of the hemispherical mesh cover (19), and a blocking net (505) is fixedly connected inside the extraction pipe (504); A fixing seat (3) is fixedly installed on the outer side of the collecting box (1), the feeding pipe (201) is fixedly installed in the fixing seat (3), and two electric push rods (301) are fixedly connected to the bottom of the fixing seat (3), and the output ends of the two electric push rods (301) are fixedly connected to the same driving ring (302), and the outer side of the connecting tube (9) is fixedly sleeved with a mounting ring (901), and the mounting ring (901) is fixedly installed on the bottom of the driving disk (16) by bolts, and the front and rear sides of the bottom of the fixing seat (3) are fixedly connected with guide columns, and the driving ring (302) is slidably sleeved on the outer sides of the two guide columns, and when the second button (2002) is pressed, the output ends of the two electric push rods (301) are controlled to extend and retract back and forth within a small range.

5. A river channel desilting device for water conservancy projects according to claim 1, characterized in that: The outer side of the dehydration cylinder (7) is provided with a plurality of water leakage holes, and one side of the dehydration cylinder (7) is open. The other side of the dehydration cylinder (7) is fixedly connected with a conveying motor (703) and a second protective cover (704). The conveying motor (703) is arranged in the second protective cover (704), and one end of the conveying shaft (701) is fixedly connected to one end of the conveying motor (703).

6. A river channel desilting device for water conservancy projects according to claim 1, characterized in that: An annular seat (801) is fixedly installed on the outer side of the collecting bucket (8), and a plurality of supporting springs (802) are fixedly connected to the outer side of the annular seat (801), and the bottom ends of the plurality of supporting springs (802) are fixedly connected to the same supporting ring (806), and a damper (805) is fixedly connected between the supporting ring (806) and the annular seat (801), and a plurality of second varistors (804) are fixedly connected to the bottom of the supporting ring (806), and the second varistors (804) are fixedly connected to the top of the collecting box (1), and a plurality of fixing rods (803) are fixedly connected to the top of the collecting box (1), and the annular seat (801) and the supporting ring (806) are both slidably sleeved on the outer sides of the plurality of fixing rods (803), and the second varistors (804) are connected in series to the circuit of the conveying motor (703).

7. A river channel desilting device for water conservancy projects according to claim 1, characterized in that: Two lifting rings are fixedly installed on the outer side of the dehydration cylinder (7), the tops of the lifting rings are fixedly connected to the top inner wall of the collection box (1), and the bottom of the collection box (1) is fixedly installed with a base (101); A drainage outlet is provided on one side of the collection box (1), and a guide groove (12) is fixedly installed in the drainage outlet.

8. A river channel desilting device for water conservancy projects according to claim 1, characterized in that: A cylinder (1001) is fixedly connected to one side of the collecting box (1), a push plate (10) is slidably connected inside the collecting box (1), the push plate (10) is fixedly connected to the output end of the cylinder (1001), and a plurality of pressure sensors (103) are fixedly connected to the inner wall of the bottom of the collecting box (1), the tops of the plurality of pressure sensors (103) are fixedly connected to the same support plate (102), the pressure sensor (103) is used to monitor the pressure applied to the support plate (102), and when the pressure value monitored by the pressure sensor reaches a preset value, the sludge pump (2) is controlled to stop running; A crossbeam is fixedly installed in the collection box (1), and the push plate (10) is slidably sleeved on the outer side of the crossbeam.

9. A river channel desilting device for water conservancy projects according to claim 1, characterized in that: A discharge port is provided on the other side of the collection box (1), a slide groove is provided on the top inner wall of the discharge port, a sealing door (11) is slidably connected in the slide groove, a positioning spring (1101) is fixedly connected to the top of the sealing door (11), and the top end of the positioning spring (1101) is fixedly connected to the collection box (1).

10. A river channel desilting device for water conservancy projects according to claim 1, characterized in that: The top of the connecting frame (13) is fixedly connected to a vertical spring (1303), the top end of the vertical spring (1303) is fixedly connected to the top inner wall of the round cover (401), and a plurality of limit columns (1302) are fixedly connected to the top inner wall of the round cover (401), the connecting frame (13) is slidably sleeved on the outer side of the limit columns (1302), and the bottom end of the limit column (1302) is integrally formed with a limit protrusion, and the limit protrusion movably abuts against the bottom of the connecting frame (13).

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