CN204828050U

CN204828050U - Marine pump

Info

Publication number: CN204828050U
Application number: CN201520419165.2U
Authority: CN
Inventors: 吴景泉
Original assignee: WUHU RONGCHUAN ELECTROMECHANICAL TECHNOLOGY Co Ltd
Current assignee: WUHU RONGCHUAN ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority date: 2015-06-17
Filing date: 2015-06-17
Publication date: 2015-12-02
Anticipated expiration: 2025-06-17

Abstract

The utility model discloses a marine pump, which comprises a pump body, the pump body be equipped with preceding honeycomb duct, middle part flow tube and tail pipe, the rotatory a week of honeycomb duct forms the middle part flow tube that is the snail shelly before wherein, the afterbody of the middle part flow tube orientation of honeycomb duct along keep away from before is extended and is formed the tail pipe, the extension line of the axis of preceding honeycomb duct overlaps with the axis of tail pipe, adopts according to the technical solution of the integrated ceiling board, the pump body is equipped with the middle part flow tube that is the snail shelly, high and the good characteristics of reliability of water conservancy performance adjustability, the afterbody of middle part flow tube extends along the orientation of keeping away from preceding honeycomb duct and forms the tail pipe, the extension line of the axis of preceding honeycomb duct overlaps with the axis of tail pipe, this kind of structure guarantees that pump body atress is reasonable, pump shaft and pump body atress are unreasonable when having overcome the prior art operation, cause bearing seal and axle bed operating mode poor, short service life, seize defects such as the limited space of under -deck.

Description

A kind of marine pump

Technical field

The utility model belongs to field of machining, and more particularly, the utility model relates to a kind of marine pump.

Background technique

Marine pump can be divided into fuel oil, lubricant oil, power oil, cooling water, make-up water needed for delivering diesel, boiler by purposes; Conveying crewman and passenger live required domestic fresh water, sanitary water; The pump etc. of the ballast water needed for transfer vessel safe navigation, fire water, bilge-water, the particularity that ships navigates by water on the water, higher requirement is had than stationary plant to the quality of all corollary equipments, water pump has a lot of application in ships, particularly domestic water supplying system, fire-fighting system, cleaning systems and bilge ballasting system all adapted water pumps, the pump kind that wherein application quantity is maximum is horizontal single-stage single suction self-priming centrifugal pump; In addition, limit by objective condition, narrow space in ships cabin, also have strict restriction to equipment volume supporting in cabin; The prior art products problem that ubiquity hydraulic performance adjustability is little and reliability is not good in actual applications, its reason is existing horizontal single-stage single-suction centrifugal pump is cantilever structure, during operation pump shaft and the pump housing stressed unreasonable, cause shaft seal and axle bed operating mode poor, working life is short, ties up the defects such as space limited in cabin.

Model utility content

Technical problem to be solved in the utility model is to provide a kind of marine pump ensureing pump housing reasonable stress.

To achieve these goals, the utility model technological scheme of taking is a kind of marine pump provided, comprise the pump housing, the described pump housing is provided with front honeycomb duct, middle part stream pipe and tail pipe, wherein front honeycomb duct rotates a circle and is formed in helicoid middle part stream pipe, the afterbody of middle part stream pipe extends to form tail pipe along the direction away from front honeycomb duct, and the elongation line of the axis of front honeycomb duct is overlapping with the axis of tail pipe.

A kind of marine pump disclosed in the utility model, middle part stream tube cavity is divided into the chamber of multiple mutual UNICOM, the first chamber of tubulose is wherein provided with along middle part stream tubular axis line, away from the second chamber and the distribution in " people " font of the 3rd chamber of the side of front honeycomb duct and tail pipe axis, the intersection of the second chamber and the 3rd chamber is provided with the cover plate with through hole.

A kind of marine pump disclosed in the utility model, the end of front honeycomb duct and tail pipe is respectively equipped with the connecting end with Flange joint.

A kind of marine pump disclosed in the utility model, the pump housing is ironcasting.

A kind of marine pump disclosed in the utility model, comprise the pump housing, the described pump housing is provided with front honeycomb duct, middle part stream pipe and tail pipe, wherein front honeycomb duct rotates a circle and is formed in helicoid middle part stream pipe, the afterbody of middle part stream pipe extends to form tail pipe along the direction away from front honeycomb duct, the elongation line of the axis of front honeycomb duct is overlapping with the axis of tail pipe, adopt the technical solution of the utility model, the pump housing is provided with in helicoid middle part stream pipe, the feature that hydraulic performance adjustability is high and of good reliability, the afterbody of middle part stream pipe extends to form tail pipe along the direction away from front honeycomb duct, the elongation line of the axis of front honeycomb duct is overlapping with the axis of tail pipe, this structure ensures pump housing reasonable stress, overcome prior art run time pump shaft and the pump housing stressed unreasonable, cause shaft seal and axle bed operating mode poor, working life is short, tie up the defects such as space limited in cabin.

Middle part stream tube cavity is divided into the chamber of multiple mutual UNICOM, the first chamber of tubulose is wherein provided with along middle part stream tubular axis line, away from the second chamber and the distribution in " people " font of the 3rd chamber of the side of front honeycomb duct and tail pipe axis, the intersection of the second chamber and the 3rd chamber is provided with the cover plate with through hole, the setting of this structure, ensure that hydraulic performance adjustability is high, extend the working life of the pump housing, during operation, ensure pump shaft and pump housing reasonable stress; The end of front honeycomb duct and tail pipe is respectively equipped with the connecting end with Flange joint, facilitates the installation of equipment and the maintain and replace of parts; The pump housing is ironcasting, and ironcasting is more suitable for disliking working environment slightly, and Applicable scope is wider.

Below with reference to drawings and Examples, the utility model is described in detail.

Accompanying drawing explanation

Below the content expressed by each width accompanying drawing of this specification and the mark in figure are briefly described:

Fig. 1 is the plan view of a kind of marine pump of the utility model;

Fig. 2 is for a kind of marine pump of the utility model shown in Fig. 1 is along the sectional view of the axis of front honeycomb duct.

Be labeled as in figure: 1, front honeycomb duct; 2, middle part stream pipe; 3, tail pipe; 4, the first chamber; 5, the second chamber; 6, the 3rd chamber; 7, cover plate.

Embodiment

Contrast accompanying drawing below, by the description to embodiment, to embodiment of the present utility model as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and working principle, manufacturing process and operation using method etc., be described in further detail, to help, those skilled in the art conceives model utility of the present utility model, technological scheme has more complete, accurate and deep understanding.

Fig. 1 is the plan view of a kind of marine pump of the utility model; Fig. 2 is for a kind of marine pump of the utility model shown in Fig. 1 is along the sectional view of the axis of front honeycomb duct; A kind of marine pump of the utility model as shown in the figure, comprise the pump housing, the pump housing is provided with front honeycomb duct 1, middle part stream pipe 2 and tail pipe 3, wherein front honeycomb duct 1 rotates a circle and is formed in helicoid middle part stream pipe 2, the afterbody of middle part stream pipe 2 extends to form tail pipe 3 along the direction away from front honeycomb duct 1, and the elongation line of the axis of front honeycomb duct 1 is overlapping with the axis of tail pipe 3; Middle part stream pipe 2 inner chamber is divided into the chamber of multiple mutual UNICOM, the first chamber 4 of tubulose is wherein provided with along middle part stream tubular axis line, away from the second chamber 5 and the distribution in " people " font of the 3rd chamber 6 of the side of front honeycomb duct and tail pipe axis, the intersection of the second chamber 5 and the 3rd chamber 6 is provided with the cover plate 7 with through hole; The end of front honeycomb duct 1 and tail pipe 3 is respectively equipped with the connecting end with Flange joint; The pump housing is ironcasting.

A kind of marine pump of the utility model, comprise the pump housing, the pump housing is provided with front honeycomb duct 1, middle part stream pipe 2 and tail pipe 3, wherein front honeycomb duct 1 rotates a circle and is formed in helicoid middle part stream pipe 2, the afterbody of middle part stream pipe 2 extends to form tail pipe 3 along the direction away from front honeycomb duct 1, and the elongation line of the axis of front honeycomb duct 1 is overlapping with the axis of tail pipe 3; Adopt the technical solution of the utility model, the pump housing is provided with in helicoid middle part stream pipe 2, the feature that hydraulic performance adjustability is high and of good reliability, the afterbody of middle part stream pipe 2 extends to form tail pipe 3 along the direction away from front honeycomb duct 1, the elongation line of the axis of front honeycomb duct 1 is overlapping with the axis of tail pipe 3, this structure ensures pump housing reasonable stress, overcome prior art run time pump shaft and the pump housing stressed unreasonable, cause shaft seal and axle bed operating mode poor, working life is short, ties up the defects such as space limited in cabin.

Middle part stream pipe 2 inner chamber is divided into the chamber of multiple mutual UNICOM, the first chamber 4 of tubulose is wherein provided with along middle part stream tubular axis line, away from the second chamber 5 and the distribution in " people " font of the 3rd chamber 6 of the side of front honeycomb duct and tail pipe axis, the intersection of the second chamber 5 and the 3rd chamber 6 is provided with the cover plate 7 with through hole; The setting of this structure, ensures that hydraulic performance adjustability is high, extends the working life of the pump housing, ensure pump shaft and the pump housing reasonable stress during operation; The end of front honeycomb duct 1 and tail pipe 3 is respectively equipped with the connecting end with Flange joint, facilitates the installation of equipment and the maintain and replace of parts; The pump housing is ironcasting, and ironcasting is more suitable for disliking working environment slightly, and Applicable scope is wider.

By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technological scheme is carried out; or design of the present utility model and technological scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.

Claims

1. a marine pump, comprise the pump housing, it is characterized in that: the described pump housing is provided with front honeycomb duct, middle part stream pipe and tail pipe, wherein front honeycomb duct rotates a circle and is formed in helicoid middle part stream pipe, the afterbody of middle part stream pipe extends to form tail pipe along the direction away from front honeycomb duct, and the elongation line of the axis of front honeycomb duct is overlapping with the axis of tail pipe.

2. according to a kind of marine pump according to claim 1, it is characterized in that: described middle part stream tube cavity is divided into the chamber of multiple mutual UNICOM, the first chamber of tubulose is wherein provided with along middle part stream tubular axis line, away from the second chamber and the distribution in " people " font of the 3rd chamber of the side of front honeycomb duct and tail pipe axis, the intersection of the second chamber and the 3rd chamber is provided with the cover plate with through hole.

3. according to a kind of marine pump according to claim 1, it is characterized in that: described front honeycomb duct and the end of tail pipe are respectively equipped with the connecting end with Flange joint.

4. according to a kind of marine pump described in claim 1 or 2, it is characterized in that: the described pump housing is ironcasting.