CN210713010U - Self-cleaning auger silt suction device suitable for underwater dredging robot - Google Patents
Self-cleaning auger silt suction device suitable for underwater dredging robot Download PDFInfo
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- CN210713010U CN210713010U CN201921330812.7U CN201921330812U CN210713010U CN 210713010 U CN210713010 U CN 210713010U CN 201921330812 U CN201921330812 U CN 201921330812U CN 210713010 U CN210713010 U CN 210713010U
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Abstract
The application discloses a self-cleaning auger silt suction device suitable for an underwater desilting robot. This technical scheme improves through the auger structure to current desilting robot under water, promptly: through improving the structure of the structural hollow shaft of hank dragon, the design of hollow shaft makes and to hold rivers in it and pass through, through linking to each other with outside high pressure water pump for spray nozzle on the hollow shaft can spray high-pressure rivers, thereby realizes the washing to hollow shaft and first helical blade and second helical blade on it.
Description
Technical Field
The disclosure generally relates to the technical field of underwater dredging robots, in particular to a self-cleaning auger silt suction device suitable for an underwater dredging robot.
Background
Dredging and decontaminating river channels and ponds are a great problem for physical and mental health of urban and town residents and environmental protection in cities and countryside. The traditional dredging method in China is 'man-sea' construction with combined operation of shovels, vehicles and pumps. Although partial mechanical operation is available, the system mechanization of the whole process of excavation and transportation to loading and unloading is not realized. Therefore, the dredging efficiency is low, the labor intensity is high, and the health of constructors is greatly influenced due to the severe operation environment. Particularly, in the last two decades, along with the continuous acceleration of the industrialized process of China and the high-speed development of economy, the accumulation of silt, blockage and pollution of the river channel are more serious. The national policies and efforts for pollution control and environmental protection are also continuously strengthened. The people's demands and awareness for environmental protection are also getting stronger and stronger. Under the actual situation, the society urgently needs a modern and efficient dredging device.
For solving above-mentioned technical problem, the design has the structure of many money desilting robots under water among the prior art, and its overall structure all includes: adopt crawler-type running gear and cutter-suction type desilting mode, though these some technical scheme have solved above-mentioned technical problem to a certain extent, in-service use, the problem of its timely clearance difficulty of inhaling the silt structure is not properly solved, awaits urgent need to improve.
Disclosure of Invention
In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a self-cleaning auger suction device suitable for an underwater dredging robot, which can complete the task of collecting sludge and clean an auger in time so as to achieve the long-time and high-efficiency dredging function of the dredging robot, compared with the prior art.
The utility model provides a self-cleaning auger inhale silt device suitable for desilting machine people under water, includes: the device comprises a protective cover, a hollow shaft bridged in the protective cover, and a first helical blade and a second helical blade which are fixedly connected to the outer wall of the hollow shaft; the protective cover includes: the hollow shaft is provided with a first side plate parallel to the axis of the hollow shaft, two second side plates symmetrically arranged at two ends of the first side plate, and a top plate fixedly connected with the upper edges of the first side plate and the two second side plates respectively; the hollow shaft is bridged between the two second side plates and is fixedly connected with the second side plates on the corresponding sides of the hollow shaft through sealing bearings respectively; one end of the hollow shaft exposed outside the second side plate is connected with an external water pump through a first pipeline; the side wall of the hollow shaft is provided with a plurality of spray nozzles which are distributed along the axial direction of the hollow shaft, and the spray nozzles are communicated with the inside of the hollow shaft; a first side plate of the protective cover is provided with a pumping port which is connected with an external pipeline through a second pipeline and a submersible sewage pump; the first helical blade and the second helical blade are symmetrically arranged and have opposite rotating directions.
According to the technical scheme provided by the embodiment of the application, the pumping port is positioned in the middle of the first side plate, and a grid sieve plate covers the pumping port; the grid deck includes: the vertical screen bar comprises a grizzly ring which can be fixedly connected with the edge of the pumping opening, a horizontal screen bar which is bridged in the grizzly ring, and a vertical screen bar which is perpendicular to the horizontal screen bar and is bridged in the grizzly ring.
According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: cleaning the ring; grid sieve pore channels are distributed on the grid sieve plate in an annular array manner; the cleaning ring is integrally of an annular structure and is sleeved on the outer wall of the grid sieve plate; the cleaning ring is hollow inside and cleaning bulges communicated with the inside of the cleaning ring are distributed on the cleaning ring relatively close to the side wall of the grating plate in an annular array manner; the cleaning bulges are exactly in one-to-one correspondence with the grid sieve pore channels; a water inlet is arranged on the cleaning ring relatively far away from the side wall of the grid sieve plate and is communicated with an external water supply pipeline through a third pipeline; the third pipeline extends along the first side plate and is fixedly connected with the first side plate.
According to the technical scheme provided by the embodiment of the application, a connecting convex column is further arranged in the middle of the lattice sieve plate and is connected with an auxiliary fan through a bearing; the auxiliary fan includes: the auxiliary sleeve is connected with the connecting convex column through a sealing bearing, and the at least two fan blades are arranged on the periphery of the auxiliary sleeve in an annular array manner; and a spraying nozzle which is opposite to the auxiliary fan and is positioned between the first helical blade and the second helical blade is arranged on the side wall of the hollow shaft.
According to the technical scheme provided by the embodiment of the application, a plurality of partition thorns extending along the normal direction of the fan blade are distributed on the side wall of the fan blade relatively close to the hollow shaft; the segmentation thorn includes: the fan blade comprises a hollow segmentation column fixedly connected with the side wall of the fan blade and a spine matched and connected with the segmentation column; a through hole is formed in the free end of the dividing column, and one end, relatively close to the dividing column, of the protruding thorn enters the through hole; one end of the spurs entering the segmentation column is provided with an anti-falling sheet with the diameter larger than that of the through holes, and the anti-falling sheet is sleeved with a spring; the free end of the spring is abutted to the inner bottom wall of the segmentation column; when the spurs receive external pressure, the spurs move towards the direction close to the segmentation columns; when the external pressure is removed, the spurs are restored to the original positions under the action of the springs.
According to the technical scheme provided by the embodiment of the application, a circle of elastic telescopic sealing sleeve is annularly arranged at the edge of the through hole, and the free end of the sealing sleeve is fixedly connected with the side wall of the spur; when the spurs receive external pressure, the spurs move towards the direction close to the segmentation columns and the sealing sleeves are compressed; when the external pressure is removed, the spurs are restored to the initial position under the action of the spring and the sealing sleeve.
According to the technical scheme provided by the embodiment of the application, a crushing ring fixedly connected with the side wall of the hollow shaft is arranged between the first helical blade and the second helical blade; the crushing ring is sleeved on the side wall of the hollow shaft, and the side wall of the hollow shaft is provided with crushing thorns distributed in an annular array.
According to the technical scheme provided by the embodiment of the application, the crushing thorn comprises: the crushing column is fixedly connected with the side wall of the crushing ring, and the crushing piece is fixedly connected with the free end of the crushing column; the crushing pieces are obliquely arranged on the crushing column and the inclination angle of all the crushing pieces relative to the crushing column is the same.
According to the technical scheme provided by the embodiment of the application, the crushing ring is also provided with a water spraying hole for water flow to penetrate through, and the water spraying hole is opposite to the spraying nozzle on the hollow shaft;
the water spray holes are also covered with a water dispersion cover with a hemispherical structure, and the water dispersion cover is provided with water dispersion holes.
To sum up, this application discloses a self-cleaning auger suction silt device suitable for desilting machine people under water. This technical scheme improves through the auger structure to current desilting robot under water, promptly: through improving the structure of the structural hollow shaft of hank dragon, the design of hollow shaft makes and to hold rivers in it and pass through, through linking to each other with outside high pressure water pump for spray nozzle on the hollow shaft can spray high-pressure rivers, thereby realizes the washing to hollow shaft and first helical blade and second helical blade on it.
Still further improve the safety cover of auger structure on the desilting robot under water in this application, add the design of check sieve in the pumping port on it. On one hand, the design of the protective cover can prevent the auger mechanism from causing excessive interference to the surrounding water area; on the other hand, the design of grid sieve plate can differentiate the silt that the auger carried to improve the efficiency of inhaling the silt.
On the basis of the technical scheme, in order to optimize the practical use effect of the grid sieve plate, the application also provides a further improved scheme. Based on the improvement of this technical scheme, compare in prior art, can carry out timely washing to the auger when accomplishing the task of collecting silt to reach the long-time high efficiency desilting function of desilting robot, be suitable for using widely.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of a self-cleaning auger sludge suction device in the present application;
FIG. 2 is a schematic top view of the self-cleaning auger sludge suction device in the present application;
FIG. 2-1 is a schematic diagram of the auger of FIG. 2;
FIG. 3 is a schematic structural view of the panel of FIG. 2;
FIG. 4 is a schematic view of the lattice panel of FIG. 2 mated with the cleaning ring;
FIG. 5 is a schematic view of the construction of the grizzly screen and attached fan of FIG. 2;
FIG. 6 is a schematic view of the construction of the grizzly screen and attached fan of FIG. 2 (split spines);
FIG. 6-1 is a schematic view of the structure of the segmentation spine of FIG. 6;
FIG. 6-2 is a schematic view of the structure of the segmentation spine of FIG. 6;
FIG. 7 is a schematic structural plan view (crushing ring) of the self-cleaning auger sludge suction device in the present application;
FIG. 7-1 is a schematic view of the structure of the crushing ring of FIG. 7;
fig. 7-2 is a schematic view of the structure of the crushing ring of fig. 7.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Please refer to fig. 1 and fig. 2, which discloses a self-cleaning auger silt suction device suitable for an underwater silt cleaning robot.
Silt device is inhaled to self-cleaning auger suitable for desilting machine people under water includes: the device comprises a protective cover 1, a hollow shaft 2 bridged in the protective cover 1, and a first helical blade 3 and a second helical blade 4 fixedly connected to the outer wall of the hollow shaft 2.
Wherein:
the protective cover is a peripheral structure of the device and is used for limiting the working space of the device so as to prevent secondary interference to surrounding water areas. The structure is as follows:
the protective cover 1 includes: the hollow shaft 2 comprises a first side plate 5 parallel to the axis of the hollow shaft, two second side plates 6 symmetrically arranged at two ends of the first side plate 5, and a top plate 7 fixedly connected with the upper edges of the first side plate 5 and the two second side plates 6 respectively.
Hollow shaft, the key part of this device. The connection relation between the protective cover and the protective cover is as follows:
the hollow shaft 2 is bridged between the two second side plates 6 and is fixedly connected with the second side plates 6 on the corresponding sides through sealing bearings respectively.
On the one hand, the driving mechanism drives the first spiral blade and the second spiral blade to rotate, and the sludge covered by the protective cover is conveyed to the center of the protective cover, so that the pumping port is matched with the second pipeline and the submersible sewage pump to remove the sludge to an external pipeline.
A first helical blade 3 and a second helical blade 4 are fixedly connected to the outer wall of the hollow shaft; the first helical blade 3 and the second helical blade 4 are symmetrically arranged and have opposite rotation directions. Based on the design, after the hollow shaft is started, under the rotation of the hollow shaft, the first helical blade 3 and the second helical blade 4 with opposite rotation directions convey the sludge covered by the protective cover to the center position of the protective cover.
And a pumping port 9 which is connected with an external pipeline through a second pipeline and a submersible sewage pump is arranged on the first side plate 5 of the protective cover 1. Due to the design, the sludge conveyed to the middle position of the protective cover just corresponds to the pumping port.
The second pipeline is connected with the pumping port, and the second pipeline is connected with an external pipeline. And (4) starting the submersible sewage pump, and sucking the sludge to the pumping port, the second pipeline and the external pipeline in sequence under the pressure provided by the submersible sewage pump so as to be discharged.
Specifically, the second pipeline is connected with an inlet of the submersible sewage pump, and the external pipeline is connected with an outlet of the submersible sewage pump, so as to realize the above functions. The submersible sewage pump may be specifically mounted on the frame of the dredging robot.
On the other hand, the hollow shaft is hollow, the side wall of the hollow shaft is provided with a plurality of spraying nozzles communicated with the inside of the hollow shaft, one end of the hollow shaft is connected with an external high-pressure water pump through a first pipeline, self-cleaning of the hollow shaft can be achieved, and the actual use efficiency of the hollow shaft is improved.
Referring to fig. 2-1, one end of the hollow shaft 2 exposed outside the second side plate 6 is connected to an external water pump through a first pipeline; a plurality of spray nozzles 8 which are axially arranged along the side wall of the hollow shaft 2 are arranged on the side wall of the hollow shaft 2, and the spray nozzles 8 are communicated with the inside of the hollow shaft 2; based on the design, the volume of the hollow cavity in the hollow shaft is not required to be too large, the spraying nozzle can have enough depth to be fixed on the side wall of the hollow shaft, and the height difference between the top of the spraying nozzle and the side wall of the hollow shaft after the spraying nozzle is installed is not larger than the height of the first helical blade or the second helical blade.
The pressure of water flow in the hollow shaft can be guaranteed not to be reduced by the closed space in the hollow shaft, and the hollow shaft is connected with the high-pressure water pump through the sealing bearing, so that the hollow shaft can still be normally connected with the high-pressure water pump when rotating. After the high-pressure water pump introduces external water flow into the hollow shaft through the first pipeline, the first helical blade and the second helical blade can be cleaned through the spray nozzle arranged on the side wall of the hollow shaft.
Please refer to the second embodiment described in fig. 3.
The design of the pumping port is optimized in this embodiment. The method comprises the following specific steps:
the pumping port 9 is positioned in the middle of the first side plate 5, and a grid sieve plate 10 covers the pumping port 9; the lattice panel 10 includes: the device comprises a grizzly ring 11 which can be fixedly connected with the edge of the pumping port 9, a cross screen bar 12 which is bridged in the grizzly ring 11, and a longitudinal screen bar 13 which is perpendicular to the cross screen bar 12 and is bridged in the grizzly ring 11.
In this embodiment, a lattice plate 10 is provided at the side of the pumping port relatively close to the hollow shaft.
The grid sieve plate can differentiate sludge so that the sludge can enter the second pipeline and the external pipeline through the pumping port under the action of the submersible sewage pump more smoothly.
The principle is as follows:
horizontal grizzly strip and the vertical grizzly strip on the check sieve can cut the silt piece via the check sieve, prevent to form great silt piece and cause the jam of pumping port in pumping port department.
Optionally, both the horizontal screen bars and the vertical screen bars can be provided with curved screen pieces 121, and once the submersible sewage pump is started, the curved screen pieces 121 can perform a better slitting effect on the sludge blocks when the sludge is sucked into the second pipeline through the pumping port under the pressure provided by the submersible sewage pump.
Please refer to the third embodiment described in fig. 4.
The design of the cleaning ring is provided in this embodiment. The method comprises the following specific steps:
further comprising: a cleaning ring 14; grid sieve pore passages 15 are distributed on the grid sieve plate 10 in an annular array manner; the cleaning ring 14 is of an annular structure integrally and is sleeved on the outer wall of the lattice sieve plate 10; the cleaning ring 14 is hollow inside, and cleaning protrusions 16 communicated with the inside of the cleaning ring 14 are distributed on the cleaning ring relatively close to the side wall of the lattice plate 10 in an annular array manner; the cleaning bulges 16 are exactly in one-to-one correspondence with the grid sieve pore passages 15; a water inlet 17 is arranged on the side wall of the cleaning ring 14, which is relatively far away from the grid sieve plate 10, and the water inlet 17 is communicated with an external water supply pipeline through a third pipeline; the third pipeline extends along the first side plate 5 and is fixedly connected with the first side plate 5.
In this embodiment, a cleaning ring is additionally arranged on the pumping port, and the purpose of the cleaning ring is as follows: the lattice screen plate can be cleaned by means of an external water flow.
The specific structure and mounting position thereof are as shown above.
The principle is as follows:
introduce rivers to the clean intra-annular of hollow through outside water supply pipe, then, get into the grid sieve pore on the grid sieve board via the clean arch on it, can clean horizontal grating, the vertical grating of its annex in the grid sieve pore certainly, to a certain extent, it is long when the actual desilting that can prolong the grid sieve to improve whole desilting device's work efficiency.
For fixed third pipeline, fix it in this implementation on first curb plate, the third pipeline runs through first curb plate links to each other with the outside water supply pipeline, the outside water supply pipeline includes: and an external water supply pump.
Of course, the third pipeline and the first pipeline can be connected with an external high-pressure water pump through a three-way pipe.
Please refer to fig. 5 for a fourth embodiment.
In this embodiment, a design of the auxiliary fan is provided. The method comprises the following specific steps:
in any preferred embodiment, a connecting convex column 18 is further arranged in the middle of the lattice plate 10, and the connecting convex column 18 is connected with an auxiliary fan 19 through a bearing; the sub fan 19 includes: an auxiliary sleeve 20 connected with the connecting convex column 18 through a sealing bearing and at least two fan blades 21 arranged around the auxiliary sleeve 20 in an annular array manner; and a spraying nozzle 8 which is right corresponding to the auxiliary fan 19 and is positioned between the first helical blade 3 and the second helical blade 4 is arranged on the side wall of the hollow shaft 2.
In this embodiment, the design of the auxiliary fan is added in the center of the grid plate 10, and the purpose is as follows: the auxiliary fan can rotate around the connecting convex column in the middle of the lattice sieve plate, and can cut sludge blocks attached to the transverse sieve strips and the longitudinal sieve strips which can be covered by the auxiliary fan again in the rotating process of the auxiliary fan so as to effectively clean the auxiliary fan.
The specific structure and mounting position of the sub-fan are as shown above.
In the above-mentioned design, the subsidiary fan does not dispose independent power supply unit, and the principle of its design lies in, starts stealthily dirty pump, and silt will be under the pressure that stealthily dirty pump provided, and in the in-process that silt was attracted to get into the second pipeline by the pump sending mouth, silt can not be attracted to the second pipeline once, and at the in-process that silt got into, the dispersed sludge cake can follow different angle contact flabellum to drive the rotation that the flabellum has certain angle, and then play further and cut the effect, improve desilting efficiency.
In this embodiment, the auxiliary fan is not required to rotate continuously, but the two fan blades can rotate at a certain angle when contacting different external forces.
In addition, when the spray nozzle on the hollow shaft sprays the water flow in the hollow shaft to the fan blades, the fan blades can also rotate at a certain angle, and the sludge attached to the grid sieve plate can also be cleaned through the water flow dispersed by the fan blades.
It should be noted that:
FIG. 5 is only used for illustrating the installation position of the auxiliary fan, the size ratio of the auxiliary fan to the grid sieve plate is not limited by FIG. 5, in a specific application, the number of the fan blades of the auxiliary fan is not required to be large so as to avoid adverse effects on the whole silt suction process, and 2-3 fan blades are optimal; in addition, the width of the fan blade is not required to be too wide, and is not larger than the width of the transverse screen bars or the longitudinal screen bars optimally.
Preferably, referring to fig. 6 and 6-1, the structure of the fan blade is designed in a detailed manner in this embodiment.
The fan blade 21 is provided with a plurality of split thorns 23 which extend along the normal direction of the fan blade 21 and are distributed on the side wall relatively close to the hollow shaft 2.
The design purpose of the segmentation thorn is as follows: the sludge can be further prevented from forming larger sludge blocks which are inconvenient to pass through at the grid plates.
The dividing spine 23 includes: a hollow dividing column 231 fixedly connected with the side wall of the fan blade 21 and a spur 232 matched with the dividing column 231; a through hole is formed at the free end of the dividing column 231, and one end of the spur 232 relatively close to the dividing column 231 enters the through hole; one end of the spur 232 entering the dividing column 231 is provided with an anti-falling sheet 233 with the diameter larger than that of the through hole, and the anti-falling sheet 233 is sleeved with a spring 234; the free end of the spring 234 abuts against the inner bottom wall of the dividing post 231.
Based on the above design, when the bur 232 receives external pressure, it will move toward the direction of the dividing column 231; when the external pressure is removed, the prongs 232 return to the original position under the action of the spring 234.
Starting the submersible sewage pump, wherein the convex columns on the partition thorns are subjected to external pressure in the process that the sludge is sucked from the pumping port into the second pipeline under the pressure provided by the submersible sewage pump; when the sludge attached to the spurs disappears, i.e., the external pressure disappears. In the whole process, the design of the segmentation thorns can assist in the segmentation of the sludge blocks.
Referring to fig. 6-2, in order to prevent the mud from affecting the cooperation between the stabs and the split columns, in the present embodiment, a circle of elastic retractable sealing sleeve 24 is annularly disposed at the edge of the through hole, and the free end of the sealing sleeve 24 is fixedly connected to the side wall of the stabs 232.
Based on the design, the elastic telescopic sealing sleeve can effectively prevent the silt from influencing the matching of the spurs and the split columns, and when the spurs 232 receive external pressure, the spurs move towards the direction close to the split columns 231 and the sealing sleeve 24 is compressed; when the external pressure is removed, the prongs 232 return to their original position under the action of the spring 234 and the sealing sleeve 24.
Referring to fig. 7, in any preferred embodiment, a crushing ring 25 fixedly connected to the side wall of the hollow shaft 2 is disposed between the first helical blade 3 and the second helical blade 4; the crushing ring 25 is sleeved on the side wall of the hollow shaft 2, and the side wall of the crushing ring is provided with crushing thorns 26 distributed in an annular array.
Based on the design, the design of the broken thorns can also achieve the slitting effect on the sludge blocks so as to be beneficial to the sludge blocks to pass through the pumping openings.
Referring to any one of the preferred embodiments of fig. 7-1, the breaking thorn 26 includes: a crushing column 27 fixedly connected with the side wall of the crushing ring 25 and a crushing sheet 28 fixedly connected with the free end of the crushing column 27; the crushing blades 28 are arranged obliquely on the crushing column 27 and all the crushing blades 28 are inclined at the same angle relative to the crushing column 27.
Based on above-mentioned design, broken post plays the supporting role of basis to can extend certain working space, when the hollow shaft is rotatory, broken piece that broken post drove on it can be sprinkled its near silt piece, so as to do benefit to silt to run through the check sieve.
In addition, the crushing pieces are not vertically installed on the crushing column, but are obliquely installed on the crushing column, and the crushing pieces with certain inclination angles can scatter the sludge at the tangential angle, so that the situation that the crushing pieces are completely silted up by the sludge to cause the crushing ring to be incapable of operating is effectively prevented.
Referring to fig. 7-2, in a preferred embodiment, the crushing ring 25 is further provided with water spraying holes 29 for water to pass through, and the water spraying holes 29 are opposite to the spraying nozzles 8 on the hollow shaft 2; the water spraying holes 29 are further covered with a water dispersing cover 30 with a hemispherical structure, and water dispersing holes 31 are formed in the water dispersing cover 30.
Based on above-mentioned design, use the spray nozzle on broken ring and the hollow shaft jointly, can utilize the scattered water cover and the last scattered water pore pair to further disperse from the rivers that spray nozzle jetted in, conveniently reach better cleaning performance under the condition that does not hinder the spray nozzle operation.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (9)
1. The utility model provides a silt device is inhaled to self-cleaning auger suitable for desilting machine people under water which characterized in that:
the method comprises the following steps: the device comprises a protective cover (1), a hollow shaft (2) bridged in the protective cover (1), and a first helical blade (3) and a second helical blade (4) which are fixedly connected to the outer wall of the hollow shaft (2);
the protective cover (1) comprises: the hollow shaft is characterized by comprising a first side plate (5) parallel to the axis of the hollow shaft (2), two second side plates (6) symmetrically arranged at two ends of the first side plate (5), and a top plate (7) fixedly connected with the upper edges of the first side plate (5) and the two second side plates (6) respectively;
the hollow shaft (2) is bridged between the two second side plates (6) and is respectively and fixedly connected with the second side plates (6) on the corresponding sides through sealing bearings; one end of the hollow shaft (2) exposed outside the second side plate (6) is connected with an external water pump through a first pipeline;
a plurality of spray nozzles (8) which are axially arranged along the side wall of the hollow shaft (2) are arranged on the side wall of the hollow shaft (2), and the spray nozzles (8) are communicated with the inside of the hollow shaft (2);
a pumping port (9) connected with an external pipeline through a second pipeline and a submersible sewage pump is arranged on the first side plate (5) of the protective cover (1);
the first helical blade (3) and the second helical blade (4) are symmetrically arranged and have opposite rotating directions.
2. The self-cleaning auger sludge suction device suitable for the underwater dredging robot as claimed in claim 1, which is characterized in that:
the pumping port (9) is positioned in the middle of the first side plate (5), and a grid sieve plate (10) covers the pumping port (9);
the grid deck (10) comprises: the device comprises a grizzly ring (11) which can be fixedly connected with the edge of the pumping port (9), a transverse screen bar (12) which is bridged in the grizzly ring (11), and a longitudinal screen bar (13) which is perpendicular to the transverse screen bar (12) and is bridged in the grizzly ring (11).
3. The self-cleaning auger sludge suction device suitable for the underwater dredging robot as claimed in claim 2, which is characterized in that:
further comprising: a cleaning ring (14);
grid sieve pore channels (15) are distributed on the grid sieve plate (10) in an annular array;
the cleaning ring (14) is integrally of an annular structure and is sleeved on the outer wall of the lattice sieve plate (10); the cleaning ring (14) is hollow, and cleaning protrusions (16) communicated with the inside of the cleaning ring (14) are distributed on the cleaning ring (14) in an annular array manner relatively close to the side wall of the lattice sieve plate (10); the cleaning bulges (16) are exactly in one-to-one correspondence with the grid pore passages (15);
a water inlet (17) is formed in the side wall, far away from the grid sieve plate (10), of the cleaning ring (14), and the water inlet (17) is communicated with an external water supply pipeline through a third pipeline; the third pipeline extends along the first side plate (5) and is fixedly connected with the first side plate (5).
4. The self-cleaning auger sludge suction device suitable for the underwater dredging robot as claimed in claim 3, which is characterized in that:
a connecting convex column (18) is also arranged in the middle of the lattice sieve plate (10), and the connecting convex column (18) is connected with an auxiliary fan (19) through a bearing;
the auxiliary fan (19) includes: the fan comprises an auxiliary sleeve (20) connected with a connecting convex column (18) through a sealing bearing and at least two fan blades (21) arranged around the auxiliary sleeve (20) in an annular array manner;
and a spraying nozzle (8) which is right corresponding to the auxiliary fan (19) and is positioned between the first helical blade (3) and the second helical blade (4) is arranged on the side wall of the hollow shaft (2).
5. The self-cleaning auger sludge suction device suitable for the underwater dredging robot as claimed in claim 4, which is characterized in that:
a plurality of dividing thorns (23) extending along the normal direction of the fan blade (21) are distributed on the side wall of the fan blade (21) relatively close to the hollow shaft (2);
the cutting spine (23) comprises: a hollow dividing column (231) fixedly connected with the side wall of the fan blade (21) and a spur (232) matched and connected with the dividing column (231);
a through hole is formed in the free end of the dividing column (231), and one end, relatively close to the dividing column (231), of the protruding spine (232) enters the through hole;
one end of the protruding thorn (232) entering the dividing column (231) is provided with an anti-falling sheet (233) with the diameter larger than that of the through hole, and the anti-falling sheet (233) is sleeved with a spring (234); the free end of the spring (234) abuts against the inner bottom wall of the partition column (231);
when the spurs (232) receive external pressure, the spurs move towards the direction close to the segmentation columns (231); when the external pressure is removed, the spurs (232) return to the original position under the action of the spring (234).
6. The self-cleaning auger sludge suction device suitable for the underwater dredging robot as claimed in claim 5, which is characterized in that:
a circle of elastic telescopic sealing sleeve (24) is annularly arranged at the edge of the through hole, and the free end of the sealing sleeve (24) is fixedly connected with the side wall of the spur (232);
when the spurs (232) receive external pressure, the spurs move towards the direction close to the dividing columns (231) and the sealing sleeve (24) is compressed; when the external pressure is removed, the spurs (232) are restored to the original position under the action of the spring (234) and the sealing sleeve (24).
7. The self-cleaning auger sludge suction device suitable for the underwater dredging robot as claimed in claim 6, which is characterized in that:
a crushing ring (25) fixedly connected with the side wall of the hollow shaft (2) is arranged between the first helical blade (3) and the second helical blade (4);
the crushing ring (25) is sleeved on the side wall of the hollow shaft (2) and the side wall of the crushing ring is provided with crushing thorns (26) distributed in an annular array.
8. The self-cleaning auger sludge suction device suitable for the underwater dredging robot as claimed in claim 7, which is characterized in that: the breakup thorn (26) comprises: a crushing column (27) fixedly connected with the side wall of the crushing ring (25) and a crushing sheet (28) fixedly connected with the free end of the crushing column (27);
the crushing pieces (28) are obliquely arranged on the crushing column (27) and the inclination angle of all the crushing pieces (28) relative to the crushing column (27) is the same.
9. The self-cleaning auger sludge suction device suitable for the underwater dredging robot according to claim 8, which is characterized in that: the crushing ring (25) is also provided with a water spraying hole (29) for water flow to penetrate through, and the water spraying hole (29) is opposite to the spraying nozzle (8) on the hollow shaft (2);
the water spray holes (29) are also covered with a water dispersion cover (30) with a hemispherical structure, and water dispersion holes (31) are arranged on the water dispersion cover (30).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921330812.7U CN210713010U (en) | 2019-08-16 | 2019-08-16 | Self-cleaning auger silt suction device suitable for underwater dredging robot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921330812.7U CN210713010U (en) | 2019-08-16 | 2019-08-16 | Self-cleaning auger silt suction device suitable for underwater dredging robot |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374159A (en) * | 2019-08-16 | 2019-10-25 | 河北工业大学 | Self-cleaning auger silt dredging device suitable for underwater desilting machine people |
| CN111705722A (en) * | 2020-07-03 | 2020-09-25 | 浙江星莱和农业装备有限公司 | Road surface silt collection device for agricultural machinery |
| CN111733746A (en) * | 2020-07-03 | 2020-10-02 | 浙江星莱和农业装备有限公司 | Height-adjustable's road surface silt recovery unit for agricultural machinery |
| CN115030253A (en) * | 2022-06-22 | 2022-09-09 | 河南省广宇建设集团有限公司 | Hydraulic engineering desilting device |
-
2019
- 2019-08-16 CN CN201921330812.7U patent/CN210713010U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374159A (en) * | 2019-08-16 | 2019-10-25 | 河北工业大学 | Self-cleaning auger silt dredging device suitable for underwater desilting machine people |
| CN111705722A (en) * | 2020-07-03 | 2020-09-25 | 浙江星莱和农业装备有限公司 | Road surface silt collection device for agricultural machinery |
| CN111733746A (en) * | 2020-07-03 | 2020-10-02 | 浙江星莱和农业装备有限公司 | Height-adjustable's road surface silt recovery unit for agricultural machinery |
| CN115030253A (en) * | 2022-06-22 | 2022-09-09 | 河南省广宇建设集团有限公司 | Hydraulic engineering desilting device |
| CN115030253B (en) * | 2022-06-22 | 2024-01-16 | 河南省广宇建设集团有限公司 | Hydraulic engineering dredging device |
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