CN220394692U - Underwater dredge pump of trailing suction hopper dredger - Google Patents
Underwater dredge pump of trailing suction hopper dredger Download PDFInfo
- Publication number
- CN220394692U CN220394692U CN202322283434.4U CN202322283434U CN220394692U CN 220394692 U CN220394692 U CN 220394692U CN 202322283434 U CN202322283434 U CN 202322283434U CN 220394692 U CN220394692 U CN 220394692U
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- pump
- wall
- mud
- transmission shaft
- motor
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- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007790 scraping Methods 0.000 abstract description 9
- 239000002689 soil Substances 0.000 abstract description 8
- 238000005086 pumping Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of dredgers, and discloses an underwater dredger pump of a trailing suction hopper dredger, which comprises: the novel rotary mud scraping device comprises a pump shell and a motor, wherein the motor is fixedly arranged on one side of the pump shell, a transmission shaft is connected to the inner wall of the pump shell through a bearing and a rotary seal in a rotating mode, the transmission shaft is fixedly connected with the output end of the motor through a coupler, a screen plate is fixedly connected to one side of the pump shell, a crushing cylinder is fixedly arranged on one side, close to the screen plate, of the pump shell, a mud scraping knife is fixedly connected to the outer wall of the transmission shaft, a connecting frame is fixedly sleeved on the outer wall of the transmission shaft, a throwing block is connected to the inner wall of the connecting frame in a rotating mode, and impact teeth are integrally arranged on the inner wall of the crushing cylinder. According to the underwater dredger pump of the drag suction dredger, the swing blocks can be driven to continuously impact the passing mud through the rotation of the connecting frame, the mud entering the pump shell is smashed in advance, the hard soil blocks are prevented from easily clamping the pump wheel, and the stable operation of the mud during pumping is guaranteed.
Description
Technical Field
The utility model relates to the technical field of dredgers, in particular to an underwater dredger pump of a trailing suction hopper dredger.
Background
The drag suction dredger is one of suction dredgers, and is operated in a mode of sucking mud and sailing by a drag head arranged on two sides or at the tail of a ship body, the drag is used for scarifying, a bottom mud cabin is arranged in the ship, the cabin volume represents the size of the ship, the drag suction dredger is a large self-propelled and bin-mounted dredger provided with drag head dredgers and hydraulic suction devices, when dredging, the drag suction pipe is put down to the river bottom, the vacuum effect of a mud pump is used for absorbing mud from the river bottom through the drag head and a mud suction pipe to enter a mud cabin of the dredger, after the mud cabin is full, a mud door is started to discharge mud in a mud throwing area, or the dredger directly discharges the dredged mud outside the ship, the effective dredger can suck the mud unloaded in the mud cabin by itself, has good sailing performance, can self-load and self-unload, and is in a working state, no positioning device is needed, and the drag suction dredger is suitable for dredging and maintenance and dredging of a port without a shield, and has highest efficiency when dredging.
If the suction hopper dredger excavates deeply, when the mud is conveyed through the dredger, the inside of the mud can be provided with a plurality of hard soil blocks, and as the dredger pumps the mud up immediately, a plurality of hard soil blocks are not too much wetted to be softened and loosened, and the soil blocks can easily block the pump wheel after entering the dredger, so that the normal operation of the dredger is influenced, therefore, the underwater dredger of the suction hopper dredger is needed, so that the mud entering the pump shell can be crushed in advance, the hard soil blocks are prevented from easily blocking the pump wheel, and the stable operation of the mud during pumping is ensured.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an underwater dredge pump of a trailing suction hopper dredger, which solves the problems mentioned in the background.
The utility model provides the following technical scheme: an underwater dredge pump for a suction dredge comprising: the novel rotary mud scraping device comprises a pump shell and a motor, wherein the motor is fixedly arranged on one side of the pump shell, a transmission shaft is connected to the inner wall of the pump shell through a bearing and a rotary seal in a rotating mode, the transmission shaft is fixedly connected with the output end of the motor through a coupler, a screen plate is fixedly connected to one side of the pump shell, a crushing cylinder is fixedly arranged on one side, close to the screen plate, of the pump shell, a mud scraping knife is fixedly connected to the outer wall of the transmission shaft, a connecting frame is fixedly sleeved on the outer wall of the transmission shaft, a throwing block is connected to the inner wall of the connecting frame in a rotating mode, and impact teeth are integrally arranged on the inner wall of the crushing cylinder.
Preferably, the surface of the sieve plate is provided with sieve holes in a penetrating way.
Preferably, the outer wall of the transmission shaft is fixedly provided with a pump wheel, and the pump wheel is positioned in the pump shell.
Preferably, the outer wall of the motor is provided with a protective shell, the protective shell is fixedly connected with the pump shell, and a sealing gasket is arranged between the protective shell and the pump shell.
Preferably, the inner wall fixedly connected with support frame of crushing section of thick bamboo, and the surface of support frame runs through and has seted up into mud mouth, and the inner wall of support frame is connected with the one end rotation of transmission shaft through the bearing.
Preferably, the outer wall of the mud scraping knife is in sliding connection with the outer wall of the sieve plate.
Compared with the prior art, the utility model has the following beneficial effects:
this dredge's dredge is inhaled to harrow dredge's underwater dredge pump through pump case, motor, transmission shaft, sieve, crushing section of thick bamboo, mud scraping sword, link, getting rid of piece and striking tooth that set up, can drive through the rotation of link and get rid of the piece and constantly form the striking to the mud of process, smash the mud that gets into the pump case in advance, avoid the hard soil piece to block the pump impeller easily, stable operation when guaranteeing mud pumping.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic view of the structure of the connector of the present utility model at the position of the connector;
fig. 4 is a schematic view of the crushing cylinder structure of the utility model.
In the figure: 1. a pump housing; 2. a motor; 3. a transmission shaft; 4. a sieve plate; 5. a crushing cylinder; 6. a mud scraper; 7. a connecting frame; 8. a throwing block; 9. striking the teeth; 10. a pump wheel; 11. a protective shell; 12. a sealing gasket; 13. a support frame; 14. a mud inlet; 15. and (5) screening holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an underwater dredge pump for a suction dredge includes: the pump casing 1 and the motor 2, motor 2 fixed mounting is in one side of pump casing 1, the inner wall of pump casing 1 is connected with transmission shaft 3 through bearing and rotary seal rotation, and transmission shaft 3 passes through shaft coupling and the output fixed connection of motor 2, one side fixedly connected with sieve 4 of pump casing 1, one side fixed mounting that pump casing 1 is close to sieve 4 has crushing section of thick bamboo 5, the outer wall fixedly connected with of transmission shaft 3 scrapes mud sword 6, connecting frame 7 has been cup jointed to the outer wall fixed of transmission shaft 3, the inner wall rotation of connecting frame 7 is connected with the piece 8 that gets rid of, the inner wall integral type of crushing section of thick bamboo 5 is provided with striking tooth 9, pump casing 1 through setting up, motor 2, transmission shaft 3, sieve 4, crushing section of thick bamboo 5, scrape mud sword 6, link 7, get rid of piece 8 and striking tooth 9, can drive through the rotation of link 7 and get rid of piece 8 to the continuous striking that forms of mud that passes through, smash in advance the mud that gets into pump casing 1, avoid the hard soil piece to block pump wheel 10 easily, stable operation when guaranteeing mud pumping.
Wherein; the surface of the screen plate 4 is perforated with screening holes 15 in order to block oversized earth pieces from entering the pump housing 1.
Wherein; the outer wall of the drive shaft 3 is fixedly provided with a pump wheel 10, and the pump wheel 10 is positioned inside the pump casing 1 so as to pump mud.
Wherein; the outer wall of the motor 2 is provided with a protective shell 11, the protective shell 11 is fixedly connected with the pump shell 1, and a sealing gasket 12 is arranged between the protective shell 11 and the pump shell 1 so as to improve the sealing performance inside the protective shell 11.
Wherein; the inner wall fixedly connected with support frame 13 of crushing section of thick bamboo 5, and the surface of support frame 13 runs through and has seted up into mud mouth 14, and the inner wall of support frame 13 is connected with the one end rotation of transmission shaft 3 through the bearing to the tip of transmission shaft 3 forms the support.
Wherein; the outer wall of the mud scraping knife 6 is in sliding connection with the outer wall of the sieve plate 4 so as to scrape the outer surface of the sieve plate 4, and the blocking of the sieve holes 15 caused by excessive aggregation of soil blocks at the periphery of the sieve holes 15 is avoided.
When the novel grinding machine is used, the motor 2 is started, the motor 2 drives the transmission shaft 3 to rotate, the transmission shaft 3 drives the pump wheel 10, the mud scraping knife 6 and the connecting frame 7 to rotate, negative pressure is formed in the middle through centrifugal action when the pump wheel 10 rotates, positive pressure is formed around, accordingly mud is continuously sucked into the middle and pushed to the periphery and is not pumped out of the output end of the pump shell 1, the mud firstly enters the inside of the grinding cylinder 5 when being sucked, the connecting frame 7 drives the throwing block 8 to throw, the throwing block 8 which is thrown breaks hard earth blocks into mud, then the mud penetrates into the inside of the pump shell 1 along with the mud, the uncrushed earth blocks cannot penetrate through the sieve holes 15, the throwing block 8 continues to throw the impact inside the grinding cylinder 5 until the mud can be fused into the mud to penetrate through the sieve holes 15, and meanwhile, the mud scraping knife 6 continuously scrapes the outer surface of the sieve plate 4, excessive aggregation of the earth blocks around the sieve holes 15 is avoided, and the earth blocks are prevented from blocking the sieve holes 15.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An underwater dredge pump for a suction dredge, comprising: pump case (1) and motor (2), motor (2) fixed mounting is in one side of pump case (1), the inner wall of pump case (1) is connected with transmission shaft (3) through bearing and rotary seal rotation, and transmission shaft (3) are through the output fixed connection of shaft coupling and motor (2), one side fixedly connected with sieve (4) of pump case (1), one side fixed mounting that pump case (1) is close to sieve (4) has crushing section of thick bamboo (5), the outer wall fixedly connected with mud scraper (6) of transmission shaft (3), link (7) have been cup jointed to the outer wall of transmission shaft (3) is fixed, the inner wall rotation of link (7) is connected with gets rid of piece (8), the inner wall integral type of crushing section of thick bamboo (5) is provided with striking tooth (9).
2. An underwater dredge pump for a suction dredge according to claim 1, characterized in that the surface of the screen deck (4) is perforated with screen holes (15).
3. An underwater dredge pump for a suction dredge according to claim 1, characterized in that the outer wall of the drive shaft (3) is fixedly provided with a pump wheel (10), and that the pump wheel (10) is located inside the pump housing (1).
4. The underwater dredge pump of a drag suction dredger according to claim 1, characterized in that the outer wall of the motor (2) is provided with a protecting shell (11), the protecting shell (11) is fixedly connected with the pump shell (1), and a sealing gasket (12) is arranged between the protecting shell (11) and the pump shell (1).
5. The underwater dredge pump of a drag suction dredger according to claim 1, characterized in that the inner wall of the crushing cylinder (5) is fixedly connected with a supporting frame (13), the surface of the supporting frame (13) is provided with a mud inlet (14) in a penetrating way, and the inner wall of the supporting frame (13) is rotatably connected with one end of the transmission shaft (3) through a bearing.
6. An underwater dredge pump for a suction dredge according to claim 1, characterized in that the outer wall of the dredge scraper blade (6) is slidingly connected with the outer wall of the screen deck (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322283434.4U CN220394692U (en) | 2023-08-24 | 2023-08-24 | Underwater dredge pump of trailing suction hopper dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322283434.4U CN220394692U (en) | 2023-08-24 | 2023-08-24 | Underwater dredge pump of trailing suction hopper dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220394692U true CN220394692U (en) | 2024-01-26 |
Family
ID=89615731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322283434.4U Active CN220394692U (en) | 2023-08-24 | 2023-08-24 | Underwater dredge pump of trailing suction hopper dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394692U (en) |
-
2023
- 2023-08-24 CN CN202322283434.4U patent/CN220394692U/en active Active
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