CN216077608U - Submerged pump for ship - Google Patents
Submerged pump for ship Download PDFInfo
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- CN216077608U CN216077608U CN202121633379.1U CN202121633379U CN216077608U CN 216077608 U CN216077608 U CN 216077608U CN 202121633379 U CN202121633379 U CN 202121633379U CN 216077608 U CN216077608 U CN 216077608U
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- pump
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- submerged
- pipe
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Abstract
The utility model discloses a marine submerged pump which comprises a motor, a mounting plate and a pump body, wherein the motor is mounted on the mounting plate through a motor base, a motor shaft of the motor is connected with a pump shaft through a coupler, the pump shaft is mounted in a pump bracket, a pump pipe is arranged outside the pump shaft below the mounting plate, the lower end of the pump pipe is provided with the pump body, the lower end of the pump body is provided with a pump inlet, the same side of the pump body is connected with a liquid outlet pipe, and the upper end of the liquid outlet pipe is provided with a pump outlet. The submerged pump does not need bearing support under liquid, and a plurality of bearing bushes are adopted for supporting, so that the problem of frequent replacement of the bearing is solved, and the problem that a long-shaft submerged pump is easy to vibrate is solved; the whole machine has no asbestos seal and gasket, accords with the CCS standard, and has a structural length reaching the submerged insertion depth of 3-6 meters.
Description
Technical Field
The utility model belongs to the technical field of submerged circulating pumps, and particularly relates to a submerged pump for a ship.
Background
The submerged pump is a vertical pump which immerses the flow passage components such as an impeller, a pump body and the like in the materials to be conveyed and is connected with a motor.
The submerged pump for the ship used at present is a high-speed submerged pump (2900rpm), the submerged insertion length needs a long time, a pump shaft structure of a shaft is formed by connecting multiple shafts, when the submerged pump works, due to long-term high-speed operation, the pump shaft and a bearing bush are quickly abraded, the vibration of the pump can be caused, the acting force of radial vibration causes the upper bearing to be damaged, the lower bearing bush is quickly abraded, the pump cannot normally run, meanwhile, the shaft, the impeller and the pump body of the pump can also be seriously abraded, the service life of the pump is greatly reduced, and the pump can be quickly scrapped. Meanwhile, the deck of the ship shakes together due to the powerful vibration of the pump, so that serious potential safety hazards exist.
The existing submerged pump is sealed by adopting a packing, the packing is a graphite asbestos packing, and friction heat is generated by high-speed operation. And the sealing gaskets on the contact surfaces of the pump body, the pump pipe and the like also use asbestos gaskets. It does not meet CCS marine standards due to its flammability.
Disclosure of Invention
The utility model aims to provide a marine submerged pump to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a marine submerged pump, includes motor 1, mounting panel 2 and the pump body 3, motor 1 installs on mounting panel 2 through motor cabinet 4 and pump support 13, motor shaft 5 of motor 1 is connected with pump shaft 7 through shaft coupling 6, pump shaft 7 is installed in the pump support, is located the pump spindle below the mounting panel 2 is equipped with pump pipe 8 outward the lower extreme of pump pipe 8 is equipped with the pump body 3 the lower extreme of the pump body 3 is equipped with pump inlet 10 same one side of the pump body 3 is connected with drain pipe 11, the upper end of drain pipe 11 is equipped with pump outlet 12.
The utility model is further improved in that: the pump design speed was 1450rpm with equivalent pump performance parameters.
The utility model is further improved in that: the pump shaft 7 is a whole shaft.
The utility model is further improved in that: a sealing system 9 is arranged on a pump shaft 7 positioned at the upper end of the mounting plate 2, and a filling material in the sealing system 9 is a non-asbestos tetrafluoro packing.
The utility model is further improved in that: drain pipe 11 is L shape drain pipe, the lower extreme of L shape drain pipe is connected in one side of the pump body 3, and the other end runs through mounting panel 2 and is connected with pump export 12, makes the weight of drain pipe 11 not add on the pump.
The utility model is further improved in that: the pump pipe 8 is composed of a plurality of sections of branch pipes 81, and a bearing culvert 82 is arranged between two adjacent branch pipes 81, so that the stability of operation is ensured, and the pump shaft 7 does not vibrate during operation.
The utility model has the technical effects and advantages that:
on the premise of ensuring the performance parameters of the whole submerged pump for the ship, the rotating speed of the pump is reduced from 2900rpm to 1450rpm, so that the whole pump runs stably, and the service life of the pump is prolonged by more than 3 times; the pump shaft is a whole shaft, so that the concentricity and the rigidity of the pump shaft are improved, and the problem of frequent replacement of a bearing bush is solved; the whole machine does not need asbestos sealing and gaskets, and meets the CCS marine product standard; the pump pipe is composed of a plurality of sections of branch pipes, a bearing culvert is additionally arranged between adjacent branch pipes to support the pump shaft, and the stability of multiple pivots ensures that the submerged pump has no vibration in the operation process, so that the structural length can reach the submerged insertion depth of 3-6 meters.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference numbers in the figures: the pump comprises a motor 1, a motor 2, a mounting plate 3, a pump body 3, a motor seat 4, a motor shaft 5, a coupling 6, a pump shaft 7, a pump pipe 8, a sealing system 9, a pump inlet 10, a liquid outlet pipe 11, a pump outlet 12, a pump support 13, a branch pipe 81 and a bearing culvert 82.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a specific embodiment of a submersible pump for ships according to the utility model: the pump comprises a motor 1, a mounting plate 2 and a pump body 3, wherein the motor 1 is mounted on the mounting plate 2 through a motor base 4 and a pump support 13, a motor shaft 5 of the motor 1 is connected with a pump shaft 7 through a coupler 6, the pump shaft 7 is mounted in the pump support 13, a pump pipe 8 is arranged outside the pump shaft 7 below the mounting plate 2, the pump body 3 is arranged at the lower end of the pump pipe 8, a pump inlet 10 is arranged at the lower end of the pump body 3, a liquid outlet pipe 11 is connected to the same side of the pump body 3, and a pump outlet 12 is arranged at the upper end of the liquid outlet pipe 11;
a sealing system 9 is arranged on a pump shaft 7 positioned at the upper end of the mounting plate 2, and filling materials in the sealing system 9 are tetrafluoro packing.
The liquid outlet pipe 11 is an L-shaped liquid outlet pipe, the lower end of the L-shaped liquid outlet pipe is connected to one side of the pump body 3, and the other end of the L-shaped liquid outlet pipe penetrates through the mounting plate 2 and is connected with the pump outlet 12, so that the weight of the liquid outlet pipe 11 is not added to the pump; the pump pipe 8 is composed of a plurality of sections of branch pipes 81, and a bearing culvert 82 is arranged between two adjacent branch pipes 81, so that the stability of operation is ensured, and the pump shaft 7 does not vibrate during operation.
The suction inlet of the pump is along the axial direction, the outlet is vertical to the axial line, the axial line is vertical to the horizontal line, when the pump works, the motor shaft rotates clockwise when seen from the motor end to the pump direction, the pump can utilize suction distance to increase the insertion depth, but the liquid level needs to be started above the central line of the outlet of the impeller, only continuous operation is needed when the page is lower than the central line of the outlet of the impeller after the pump is started, and the suction height is not more than 2M.
The applicant further states that the present invention is described in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the implementation of alternative equivalent substitutions and additions of steps, the selection of specific modes, etc., are within the scope and disclosure of the present invention.
The present invention is not limited to the above embodiments, and all the ways of achieving the objects of the present invention by using the structure and the method similar to the present invention are within the protection scope of the present invention.
Claims (4)
1. The utility model provides a marine submerged pump, includes motor (1), mounting panel (2) and the pump body (3), its characterized in that: motor (1) is installed on mounting panel (2) through motor cabinet (4) and pump support (13), motor shaft (5) of motor (1) are connected with pump shaft (7) through shaft coupling (6), install in pump support (13) pump shaft (7), lie in pump shaft (7) below mounting panel (2) are equipped with pump line (8) outward the lower extreme of pump line (8) is equipped with pump body (3) the lower extreme of pump body (3) is equipped with pump import (10) same one side of pump body (3) is connected with drain pipe (11), the upper end of drain pipe (11) is equipped with pump outlet (12).
2. Marine submerged pump according to claim 1, characterized in that: and a sealing system (9) is arranged on a pump shaft (7) positioned at the upper end of the mounting plate (2), and a filling material in the sealing system (9) is a non-asbestos tetrafluoro packing.
3. Marine submerged pump according to claim 1, characterized in that: drain pipe (11) are L shape drain pipe, the lower extreme of L shape drain pipe is connected in one side of the pump body (3), and the other end runs through mounting panel (2) and is connected with pump export (12).
4. Marine submerged pump according to claim 1, characterized in that: the pump pipe (8) is composed of a plurality of sections of branch pipes (81), and a bearing culvert (82) is arranged between every two adjacent branch pipes (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121633379.1U CN216077608U (en) | 2021-07-19 | 2021-07-19 | Submerged pump for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121633379.1U CN216077608U (en) | 2021-07-19 | 2021-07-19 | Submerged pump for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216077608U true CN216077608U (en) | 2022-03-18 |
Family
ID=80665649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121633379.1U Active CN216077608U (en) | 2021-07-19 | 2021-07-19 | Submerged pump for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216077608U (en) |
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2021
- 2021-07-19 CN CN202121633379.1U patent/CN216077608U/en active Active
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