CN219430857U - Quick switching device for upper suction port and lower suction port of double-lug axle bridge - Google Patents
Quick switching device for upper suction port and lower suction port of double-lug axle bridge Download PDFInfo
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- CN219430857U CN219430857U CN202320194105.XU CN202320194105U CN219430857U CN 219430857 U CN219430857 U CN 219430857U CN 202320194105 U CN202320194105 U CN 202320194105U CN 219430857 U CN219430857 U CN 219430857U
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Abstract
The utility model discloses a quick switching device for upper and lower suction ports of a double-lug axle bridge, which comprises a hose, an upper suction port short pipe, an upper suction port cabin penetrating pipe, a lower suction port short pipe and a lower suction port cabin penetrating pipe; the hose inlet is connected with the bridge mud pipe outlet, the upper suction port cabin penetrating pipe outlet is connected with the mud pipe inlet in the upper suction port cabin, and the lower suction port cabin penetrating pipe outlet is connected with the mud pipe inlet in the lower suction port cabin; when the trunnion of the bridge is hinged on the trunnion of the bridge, the outlet of the hose is connected with the inlet of the upper suction inlet short pipe, and the outlet of the upper suction inlet short pipe is connected with the inlet of the upper suction inlet cabin penetrating pipe; when the trunnion of the bridge is at the lower hinging point of the trunnion of the bridge, the hose outlet is connected with the inlet of the short pipe of the lower suction port, and the outlet of the short pipe of the lower suction port is tightly connected with the inlet of the cabin penetrating pipe of the lower suction port through the inclined end face. According to the utility model, underwater bolt disassembly and assembly of a diver or dock switching are not needed, and a shipman can quickly switch the upper suction port and the lower suction port according to construction requirements on a construction site, so that the adaptability, convenience and economy of ship construction are improved.
Description
Technical Field
The utility model relates to the technical field of dredging engineering, in particular to a quick switching device for an upper suction port and a lower suction port of a double-lug axle bridge.
Background
In recent years, with the rapid development of the dredging industry, the dredging depth of a port channel is increased, and new requirements are placed on the maximum dredging depth of a cutter suction dredger, and especially the maximum dredging depth of a large cutter suction dredger is often more than 30 meters. In order to shorten the bridge length and meet the optimal digging angle, the double-lug axle bridge technology is gradually applied, namely, the positions of the hinge points of the upper bridge trunnion and the lower bridge trunnion are arranged on the ship body, and the bridge can be switched according to different digging requirements. The ship body end of the double-trunnion bridge frame technology is necessarily provided with an upper suction port and a lower suction port of the mud pipe in the cabin, the bridge frame mud pipe and the mud pipe in the cabin are connected through flange bolts at present, the lower suction port of the mud pipe in the cabin is below a waterline, if the upper suction port and the lower suction port of the mud pipe in the cabin are required to be switched, divers are required to assist or dock operation is required, so that the operation convenience is poor, and the performance of a ship is restricted. Therefore, it is necessary to design a quick switching device for the upper and lower suction ports of the double-lug axle bridge.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a quick switching device for the upper and lower suction ports of a double-lug axle bridge, which solves the problem that the upper and lower suction ports of the double-lug axle bridge cannot be quickly switched on a construction site.
The utility model is realized in such a way that the quick switching device of the upper suction port and the lower suction port of the double-lug axle bridge comprises a hose, an upper suction port short pipe, an upper suction port cabin penetrating pipe, a lower suction port short pipe and a lower suction port cabin penetrating pipe; the hose inlet is connected with the bridge mud pipe outlet, the upper suction port cabin penetrating pipe outlet is connected with the mud pipe inlet in the upper suction port cabin, and the lower suction port cabin penetrating pipe outlet is connected with the mud pipe inlet in the lower suction port cabin;
when the trunnion of the bridge is hinged on the trunnion of the bridge, the hose outlet is connected with the inlet of the upper suction inlet short pipe, and the outlet of the upper suction inlet short pipe is connected with the inlet of the upper suction inlet cabin penetrating pipe;
when the trunnion of the bridge is at the lower hinging point of the trunnion of the bridge, the hose outlet is connected with the inlet of the short pipe of the lower suction port, and the outlet of the short pipe of the lower suction port is tightly connected with the inlet of the cabin penetrating pipe of the lower suction port through the inclined end face.
In the above technical solution, preferably, when the trunnion of the bridge is hinged on the trunnion of the bridge, the hose outlet is connected with the inlet of the upper suction nozzle short pipe through a flange bolt, the outlet of the upper suction nozzle short pipe is connected with the inlet of the upper suction nozzle cabin penetrating pipe through a flange bolt, and the outlet of the upper suction nozzle cabin penetrating pipe is connected with the inlet of the upper suction nozzle cabin internal mud pipe through a flange bolt.
In the above technical solution, preferably, when the trunnion of the bridge is at the pivot point below the trunnion of the bridge, the hose outlet is connected with the inlet of the short pipe of the lower suction port through a flange bolt, and the outlet of the pipe penetrating the lower suction port is connected with the inlet of the mud pipe in the cabin of the lower suction port through a flange bolt.
In the above technical scheme, preferably, the device further comprises a compression bar, wherein the compression bar can stretch along the axial direction of the compression bar, ear plates with round holes are arranged at two ends of the compression bar, and the ear plates at the bottom end of the compression bar are hinged with the top of the short pipe of the lower suction port; in the up-down switching process of the bridge trunnion, the lug plate at the top end of the pressure rod is hinged with the bridge lug plate and is used for temporarily fixing the short pipe of the lower suction port to prevent the short pipe from shifting under the bending resilience force of the hose; when the bridge trunnion is switched to the lower hinge point, the bridge trunnion is hinged with the ship body lug plate and is used for providing downward pressing force for the lower suction port short pipe through the increase of the length of the pressing rod.
In the above technical solution, it is further preferable that the telescopic power of the compression bar is hydraulic drive or manual.
In the above technical scheme, it is further preferable that the top of the lower suction port short tube is provided with a connecting lug plate, the middle part of the connecting lug plate is provided with a lower suction port short tube lug plate round hole, and the connecting lug plate is hinged with the lug plate at the bottom end of the compression bar through a pin shaft.
In the above technical scheme, preferably, the included angle between the outlet end face of the lower suction nozzle short pipe and the axis of the pipeline is smaller than 90 degrees, the included angle between the inlet end face of the lower suction nozzle cabin penetrating pipe and the outlet end face of the lower suction nozzle short pipe is consistent with the included angle between the inlet end face of the lower suction nozzle short pipe and the axis of the pipeline, and the outlet of the lower suction nozzle short pipe is attached to the inlet of the lower suction nozzle cabin penetrating pipe along with the rotation of the bridge frame and is tightly pressed through the compression bar.
In the above technical scheme, preferably, the left and right sides of the short pipe of the lower suction port are fixedly provided with sliding blocks, and the outer end surfaces of the two sliding blocks are in a V shape; the left side and the right side of the short pipe of the lower suction port are provided with guide rails matched with the sliding blocks, the guide rails are fixed on the ship body, the matched end surfaces of the guide rails and the sliding blocks are in a V shape, and the V-shaped angles of the outer end surfaces of the guide rails are consistent with the V-shaped angles of the outer end surfaces of the sliding blocks.
In the above technical solution, preferably, concave grooves are formed around the outlet end face of the lower suction nozzle short tube, a sealing member is installed in the concave grooves, and a small part of the sealing member protrudes out of the outlet end face of the lower suction nozzle short tube.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the quick switching device for the upper suction port and the lower suction port of the double-lug axle bridge, the inclined end surfaces between the short pipe of the lower suction port and the cabin penetrating pipe of the lower suction port can be attached along with the rotation of the bridge, so that pipelines of the lower suction port are communicated, and underwater disassembly bolts or dock switching of divers are not needed; the crewman can be according to the quick switching of construction demand upper and lower suction inlet at job site, has improved adaptability, convenience and the economic nature of boats and ships construction.
Drawings
FIG. 1 is a schematic diagram of a pipeline connection of a switching device provided by an embodiment of the utility model at a hinge point position on a bridge trunnion;
FIG. 2 is a schematic diagram of pipeline connection of a switching device at a hinge point position under a bridge trunnion according to an embodiment of the present utility model;
FIG. 3 is an exploded view of a pipe connection of a switching device according to an embodiment of the present utility model at a hinge point on a trunnion of a bridge;
FIG. 4 is an exploded view of a pipe connection of a switching device according to an embodiment of the present utility model at a hinge point position below a trunnion of a bridge;
fig. 5 is a schematic structural diagram of a compression bar according to an embodiment of the present utility model;
FIG. 6 is a front view of a lower suction nozzle stub provided by an embodiment of the present utility model;
FIG. 7 is an enlarged partial schematic view of the outlet end face of the lower suction nozzle stub according to an embodiment of the present utility model;
FIG. 8 is a side view of a lower suction nozzle stub provided in accordance with an embodiment of the present utility model;
FIG. 9 is a schematic diagram of a switching procedure from an upper suction port to a lower suction port of a switching device according to an embodiment of the present utility model;
FIG. 10 is a schematic diagram II of a procedure of switching from an upper suction port to a lower suction port in the switching device according to the embodiment of the present utility model;
FIG. 11 is a schematic diagram of a switching procedure from an upper suction port to a lower suction port of the switching device according to the embodiment of the present utility model.
In the figure: 1. a hose; 1-1, hose inlet; 1-2, hose outlet; 2. a short pipe of the upper suction port; 2-1, inlet of short pipe of upper suction port; 2-2, outlet of short pipe of upper suction port; 3. the upper suction port penetrates through the cabin tube; 3-1, an upper suction port cabin penetrating pipe inlet; 3-2, an upper suction port cabin penetrating pipe outlet; 4. a short pipe of the lower suction port; 4-1, inlet of short pipe of lower suction port; 4-2, outlet of short pipe of lower suction port; 4-3, a concave groove; 4-4, a sealing member; 4-5, sliding blocks; 4-5-1, the outer end face of the sliding block; 4-6, connecting the ear plates; 4-6-1, a short pipe ear plate round hole of the lower suction port; 5. a lower suction port cabin penetrating pipe; 5-1, a lower suction port cabin penetrating pipe inlet; 5-2, a cabin penetrating pipe outlet of the lower suction port; 6. a compression bar; 6-1, an ear plate I; 6-2, an ear plate II; 7. a guide rail; 7-1, the outer end face of the guide rail; 8. a bridge mud pipe; 8-1, a bridge mud pipe outlet; 9. a mud pipe in the upper suction port cabin; 9-1, a mud pipe in the upper suction port cabin is imported; 10. a mud pipe in the lower suction port cabin; 10-1, a mud pipe in a lower suction port cabin is imported; 11. a hinge point is arranged on the bridge trunnion; 12. a lower hinge point of the bridge trunnion; 13. a bulkhead; 14. a bridge; 15. maintaining the trunnion hinge point; 16. bridge ear plate; 17. hull ear plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the examples and the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," "an," "the" and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1 to 8, an embodiment of the present utility model provides a quick switching device for upper and lower suction ports of a bridge frame with two ears, which comprises a hose 1, an upper suction port short pipe 2, an upper suction port cabin penetrating pipe 3, a lower suction port short pipe 4, a lower suction port cabin penetrating pipe 5, a compression bar 6, a guide rail 7, a bridge mud pipe 8, an upper suction port cabin mud pipe 9, a lower suction port cabin mud pipe 10, a bridge trunnion upper hinge point 11, a bridge trunnion lower hinge point 12, a maintenance trunnion hinge point 15, a bridge lug plate 16 and a hull lug plate 17.
The hose inlet 1-1 is connected with the bridge mud pipe outlet 8-1 through flange bolts, and the upper suction port cabin penetrating pipe outlet 3-2 is connected with the upper suction port cabin inner mud pipe inlet 9-1 through flange bolts. The lower suction port cabin penetrating pipe outlet 5-2 is connected with the lower suction port cabin inner mud pipe inlet 10-1 through flange bolts, and the pipeline is connected when the ship leaves the factory and is not changed along with the switching of the upper suction port and the lower suction port.
As shown in fig. 1 and 3, when the trunnion of the bridge 14 is at the position of the hinge point 11 on the bridge trunnion, the hose 1 and the upper suction port penetration pipe 3 are connected by using the upper suction port short pipe 2; the hose outlet 1-2 is connected with the upper suction inlet short pipe inlet 2-1 through a flange bolt, the upper suction inlet short pipe outlet 2-2 is connected with the upper suction inlet cabin penetrating pipe inlet 3-1 through a flange bolt, and the upper suction inlet cabin penetrating pipe outlet 3-2 is connected with the upper suction inlet cabin inner mud pipe inlet 9-1 through a flange bolt.
As shown in fig. 2 and 4, the hose 1 and the lower suction port transom tube 5 are connected using the lower suction port nipple 4 when the trunnion of the bridge 14 is at the bridge trunnion lower hinge point 12. The hose outlet 1-2 is connected with the lower suction inlet short pipe inlet 4-1 through a flange bolt, the lower suction inlet short pipe outlet 4-2 is connected with the lower suction inlet cabin penetrating pipe inlet 5-1 through an inclined end face in a pressing mode, and the lower suction inlet cabin penetrating pipe outlet 5-2 is connected with the lower suction inlet cabin inner mud pipe inlet 10-1 through a flange bolt.
As shown in fig. 5, the compression bar 6 may extend and retract along the axial direction, and the extension and retraction power of the compression bar 6 is hydraulic drive or manual. The two ends of the pressure rod 6 are provided with ear plates with round holes, namely an ear plate I6-1 positioned at the top end of the pressure rod and an ear plate II 6-2 positioned at the bottom end of the pressure rod, wherein the ear plate II 6-2 is hinged with a connecting ear plate 4-6 at the top of the lower suction port short tube 4, and in the process of switching a bridge trunnion up and down, the ear plate I6-1 at the other end is hinged with a bridge ear plate 16 and is used for temporarily fixing the lower suction port short tube 4 to prevent the lower suction port short tube 4 from shifting under the bending resilience force of a hose; is hinged with the ship body ear plate 17 after being switched to the bridge trunnion lower hinge point 12 and is used for providing downward pressing force for the lower suction nozzle stub 4 through the increase of the length of the pressing rod 6.
As shown in FIG. 6, the top of the lower suction nozzle short tube 4 is provided with a connecting lug plate 4-6, the middle part of the connecting lug plate 4-6 is provided with a lower suction nozzle short tube lug plate round hole 4-6-1, and the connecting lug plate 4-6 is hinged with a lug plate two 6-2 through a pin shaft.
As shown in fig. 2, 4 and 6, the included angle a between the end surface of the outlet 4-2 of the short pipe at the lower suction inlet and the axis of the pipeline is smaller than 90 degrees. As shown in fig. 2, the included angle c between the end surface of the lower suction port cabin penetrating pipe inlet 5-1 and the axis of the pipeline is smaller than 90 degrees, and the included angle between the end surface of the lower suction port cabin penetrating pipe inlet 5-1 and the end surface of the lower suction port short pipe outlet 4-2 is consistent with the axis of the pipeline. The lower suction inlet short pipe outlet 4-2 rotates along with the bridge 14 to be attached to the lower suction inlet cabin penetrating pipe inlet 5-1 and is pressed by the pressing rod 6.
As shown in FIG. 8, the left side and the right side of the short pipe 4 of the lower suction port are fixedly provided with sliding blocks 4-5, and the outer end surfaces 4-5-1 of the two sliding blocks are V-shaped and form an included angle b. The left side and the right side of the short pipe 4 of the lower suction port are provided with guide rails 7 matched with the sliding blocks 4-5, the guide rails 7 are fixed on a ship body, the left side and the right side of the guide rails 7 are matched with the sliding blocks 4-5, the end surfaces of the guide rails are V-shaped, and the V-shaped angle d of the outer end surfaces 7-1 of the guide rails is consistent with the V-shaped angle b of the outer end surfaces 4-5-1 of the sliding blocks. The lower suction inlet short pipe 4 is guided by the V-shaped end face of the guide rail 7 and the V-shaped end face 4-5-1 of the sliding block 4-5 in the process of rotating along with the bridge. When the V-shaped end face of the sliding block 4-5 is attached to the V-shaped end face of the guide rail 7, the end face of the lower suction port short pipe outlet 4-2 is attached to the end face of the lower suction port cabin penetrating pipe inlet 5-1, and the lower suction port short pipe 4 is communicated with the lower suction port cabin penetrating pipe 5 in a centering manner.
As shown in FIG. 7, concave grooves 4-3 are formed around the end face of the lower suction nozzle stub outlet 4-2, a sealing element 4-4 is arranged in the concave grooves 4-3, a small part of the sealing element 4-4 protrudes out of the end face of the lower suction nozzle stub outlet 4-2, and when the end face of the lower suction nozzle stub outlet 4-2 is pressed with the end face of the lower suction nozzle cabin penetrating pipe inlet 5-1, the sealing element 4-4 is compressed, so that a pipeline is sealed.
As shown in fig. 9 to 11, the specific procedure of switching from the upper suction port to the lower suction port is as follows, taking the upper suction port-to-lower suction port switching procedure as an example:
a) The end of the hose outlet 1-2 is temporarily fixed on a bridge 14 to prevent the hose 1 from rebounding, and the connecting bolts between the two ends of the upper suction nozzle short tube 2 and the hose 1 and the upper suction nozzle cabin penetrating tube 3 are removed to hang out the upper suction nozzle short tube 2.
b) The bridge is lowered to align the maintaining trunnion hinge point 15 with the shaft hole of the ship body and the maintaining trunnion is inserted. The inlet 4-1 end of the short pipe of the lower suction port is connected with the outlet 1-2 end of the hose by flange bolts. The second end ear plate 6-2 of the pressure lever 6 is hinged with the connecting ear plate 4-6 at the top of the short pipe 4 of the lower suction port, the first ear plate 6-1 at the top of the pressure lever 6 is hinged with the bridge ear plate 16, and the hose 1 is removed for temporary fixation.
c) The rotating trunnion at the upper trunnion hinge point 11 of the bridge is pulled out to rotate the bridge clockwise about the service trunnion hinge point 15. The short pipe 4 of the lower suction port rotates along with the bridge frame and is centered with the cabin penetrating pipe 5 of the lower suction port under the guiding action of the slide block 4-5 and the V-shaped end face of the guide rail 7. The end face of the lower suction nozzle short pipe outlet 4-2 is completely attached to the end face of the lower suction nozzle cabin penetrating pipe inlet 5-1, and the sealing piece 4-4 is extruded, so that the pipeline is sealed. The first lug plate 6-1 at the top end of the pressing rod 6 is detached from the bridge lug plate 16 and hinged and fixed on the ship body lug plate 17, and the length of the pressing rod 6 is adjusted, so that the pressing rod 6 presses the lower suction port short pipe 4. The rotary trunnion is inserted into the shaft hole of the lower hinge point 12 of the bridge trunnion, the maintenance trunnion is withdrawn, and the upper suction port is switched to the lower suction port.
Similarly, the lower suction opening-to-suction opening switching process is opposite to the upper suction opening-to-suction opening switching process.
According to the quick switching device for the upper suction port and the lower suction port of the double-lug axle bridge, the inclined end surfaces between the short pipe of the lower suction port and the cabin penetrating pipe of the lower suction port can be attached along with the rotation of the bridge, so that pipelines of the lower suction port are communicated, and underwater disassembly bolts or dock switching of divers are not needed; the crewman can be according to the quick switching of construction demand upper and lower suction inlet at job site, has improved adaptability, convenience and the economic nature of boats and ships construction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments may be modified or some or all of the technical features may be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the present utility model.
Claims (9)
1. The quick switching device for the upper suction port and the lower suction port of the double-lug axle bridge is characterized by comprising a hose, an upper suction port short pipe, an upper suction port cabin penetrating pipe, a lower suction port short pipe and a lower suction port cabin penetrating pipe; the hose inlet is connected with the bridge mud pipe outlet, the upper suction port cabin penetrating pipe outlet is connected with the mud pipe inlet in the upper suction port cabin, and the lower suction port cabin penetrating pipe outlet is connected with the mud pipe inlet in the lower suction port cabin;
when the trunnion of the bridge is hinged on the trunnion of the bridge, the hose outlet is connected with the inlet of the upper suction inlet short pipe, and the outlet of the upper suction inlet short pipe is connected with the inlet of the upper suction inlet cabin penetrating pipe;
when the trunnion of the bridge is at the lower hinging point of the trunnion of the bridge, the hose outlet is connected with the inlet of the short pipe of the lower suction port, and the outlet of the short pipe of the lower suction port is tightly connected with the inlet of the cabin penetrating pipe of the lower suction port through the inclined end face.
2. The quick change over device for a double-shaft bridge upper and lower suction ports according to claim 1, wherein when the bridge trunnion is hinged on the bridge trunnion, the hose outlet is connected with the upper suction port short pipe inlet through a flange bolt, the upper suction port short pipe outlet is connected with the upper suction port cabin penetrating pipe inlet through a flange bolt, and the upper suction port cabin penetrating pipe outlet is connected with the upper suction port cabin inner mud pipe inlet through a flange bolt.
3. The quick change over device for a suction port and a suction port on a bridge of a double-shaft according to claim 1, wherein when the trunnion of the bridge is at a lower hinge point of the trunnion of the bridge, the hose outlet is connected with the inlet of the short pipe of the lower suction port through a flange bolt, and the outlet of the pipe penetrating the lower suction port is connected with the inlet of the mud pipe in the cabin of the lower suction port through a flange bolt.
4. The quick switching device for the upper suction port and the lower suction port of the double-lug axle bridge frame according to claim 1, further comprising a pressure lever, wherein the pressure lever can stretch along the axial direction of the pressure lever, two ends of the pressure lever are provided with ear plates with round holes, and the ear plates at the bottom end of the pressure lever are hinged with the top of the short pipe of the lower suction port; in the up-down switching process of the bridge trunnion, the lug plate at the top end of the pressure rod is hinged with the bridge lug plate and is used for temporarily fixing the short pipe of the lower suction port to prevent the short pipe from shifting under the bending resilience force of the hose; when the bridge trunnion is switched to the lower hinge point, the bridge trunnion is hinged with the ship body lug plate and is used for providing downward pressing force for the lower suction port short pipe through the increase of the length of the pressing rod.
5. The quick change over device for a suction port of a bridge of a double-shaft as claimed in claim 4, wherein the telescopic power of the compression bar is hydraulic driving or manual.
6. The quick switching device for the upper suction port and the lower suction port of the double-lug axle bridge frame according to claim 4, wherein a connecting lug plate is arranged at the top of the short tube of the lower suction port, a round hole of the lug plate of the short tube of the lower suction port is arranged in the middle of the connecting lug plate, and the connecting lug plate is hinged with the lug plate at the bottom end of the pressure rod through a pin shaft.
7. The quick switching device for the upper suction port and the lower suction port of the double-lug axle bridge frame according to claim 1, wherein the included angle between the outlet end face of the lower suction port short pipe and the axis of the pipeline is smaller than 90 degrees, the included angle between the inlet end face of the lower suction port cabin penetrating pipe and the outlet end face of the lower suction port short pipe is consistent with the axis of the pipeline, and the outlet of the lower suction port short pipe is attached to the inlet of the lower suction port cabin penetrating pipe along with the rotation of the bridge frame and is pressed by a pressing rod.
8. The quick switching device for the upper suction port and the lower suction port of the double-lug axle bridge frame according to claim 1, wherein the left side and the right side of the short pipe of the lower suction port are fixedly provided with sliding blocks, and the outer end surfaces of the two sliding blocks are V-shaped; the left side and the right side of the short pipe of the lower suction port are provided with guide rails matched with the sliding blocks, the guide rails are fixed on the ship body, the matched end surfaces of the guide rails and the sliding blocks are in a V shape, and the V-shaped angles of the outer end surfaces of the guide rails are consistent with the V-shaped angles of the outer end surfaces of the sliding blocks.
9. The quick switching device for the upper suction port and the lower suction port of the double-lug axle bridge frame according to claim 1, wherein concave grooves are formed in the periphery of the outlet end face of the short pipe of the lower suction port, sealing elements are arranged in the concave grooves, and small parts of the sealing elements protrude out of the outlet end face of the short pipe of the lower suction port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320194105.XU CN219430857U (en) | 2023-02-10 | 2023-02-10 | Quick switching device for upper suction port and lower suction port of double-lug axle bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320194105.XU CN219430857U (en) | 2023-02-10 | 2023-02-10 | Quick switching device for upper suction port and lower suction port of double-lug axle bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219430857U true CN219430857U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320194105.XU Active CN219430857U (en) | 2023-02-10 | 2023-02-10 | Quick switching device for upper suction port and lower suction port of double-lug axle bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219430857U (en) |
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2023
- 2023-02-10 CN CN202320194105.XU patent/CN219430857U/en active Active
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