CN210799512U

CN210799512U - Cooling device for centrifugal pump

Info

Publication number: CN210799512U
Application number: CN201921632974.6U
Authority: CN
Inventors: 陈庆章
Original assignee: Kunshan Yuanxin Pump Machinery Co ltd
Current assignee: Kunshan Yuanxin Pump Machinery Co ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-06-19
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a cooling device for centrifugal pump mainly includes left shell, plug bush, protection casing, flabellum, thin wall pipe and right shell, the left side shell left end passes through the spiral shell assembly connection centrifugal pump body, left side shell right side edge has right shell through bolt assembly mounting, the plug bush is installed in the middle part of the right side shell right-hand member grafting, right side shell right side lateral wall runs through to connect soon and installs and install with plug bush complex assembly bolt, the clamping ring is installed in the inboard right part sliding connection of plug bush. The utility model has reasonable structure design, the cooling device can carry out fast external cooling to the centrifugal pump without a built-in cooling channel, the assembly is fast, and the sealing is stable; the cooling device adopts the internal circulation water bath for cooling, has good effect and reuses the heat exchange medium.

Description

Cooling device for centrifugal pump

Technical Field

The utility model relates to a cooling device specifically is a cooling device for centrifugal pump.

Background

The centrifugal pump has various forms such as vertical type, horizontal type, single stage, multistage, single suction, double suction, self suction and the like. Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller and flows into a water pressing pipeline of the water pump through a flow channel of the volute-shaped pump shell, the work of the centrifugal pump is summarized, the friction between the rotating shaft rotating at a high speed and the filling seal is serious, and the heat dissipation needs to be carried out in time.

When the existing cooling device is assembled, a built-in cooling channel is mostly adopted during the production of the centrifugal pump, and an effective external cooling device is not provided for the centrifugal pump without the built-in cooling channel; and the external cooling device mostly adopts spray water to cool, the effect is poor, and resources are wasted.

Disclosure of Invention

The utility model aims at providing a centrifugal pump is with cooling device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a cooling device for a centrifugal pump mainly comprises a left shell, an insert sleeve, a protective cover, fan blades, a thin-walled tube and a right shell, wherein the left end of the left shell is connected with a centrifugal pump body through a screw assembly, the edge of the right side of the left shell is provided with the right shell through a bolt assembly, the middle part of the right end of the right shell is provided with the insert sleeve in an inserted manner, the side wall of the right side of the right shell is provided with an assembly bolt matched with the insert sleeve through a screwed connection, the inside right part of the insert sleeve is provided with a press ring in a sliding connection manner, the left end of the press ring is fixedly provided with a rectangular spring, the left end of the rectangular spring is fixedly provided with an insert frame, the outside of the insert frame is sleeved with a wear-resistant pad, the outer side wall of the wear-resistant pad is in close contact with the right inner wall of the right shell and the inner wall of the insert sleeve, the inside wall of the wear-resistant pad is, the utility model discloses a fan blade, including right side shell, connection, drainage tube, fan blade, right side shell right-hand member outer wall, right side shell right side edge outer wall runs through the joint of installing longitudinal symmetry, right side shell right-hand member outer wall fixed mounting has the mesh shell, and the inboard fixed mounting of mesh shell has the thin wall pipe that coils the setting, thin wall pipe left end with be located the upper portion the joint assembly switches on, thin wall pipe right-hand member assembled mounting has the drainage tube, mesh shell bottom outer wall fixed mounting has the water pump, the drainage tube bottom switches on with the assembly of water pump.

As a further aspect of the present invention: and a gasket is arranged between the outer wall of the left side edge of the left shell and the outer wall of the right side of the centrifugal pump body in a cushioning manner.

As a further aspect of the present invention: and a middle ring is arranged between the left end of the right shell and the right end of the left shell in a compression joint mode.

As a further aspect of the present invention: the outer wall of the thin-wall pipe is fixedly provided with radiating rings arranged at equal intervals.

As a further aspect of the present invention: the water pump is electrically connected with an external power supply and an external control switch through a wire harness.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has reasonable structure design, the cooling device can carry out fast external cooling to the centrifugal pump without a built-in cooling channel, the assembly is fast, and the sealing is stable; the cooling device adopts the internal circulation water bath for cooling, has good effect and reuses the heat exchange medium.

Drawings

Fig. 1 is a schematic structural view of a cooling device for a centrifugal pump.

Fig. 2 is a structural schematic diagram of a right view angle between a thin-wall pipe and a heat dissipation ring in the cooling device for the centrifugal pump.

Fig. 3 is a schematic structural view of the centrifugal pump cooling device between the pressure ring, the insert sleeve, the right shell and the center shaft.

Fig. 4 is a schematic diagram of positions among a right shell, a mesh shell, a protective cover and a thin-walled tube in the cooling device for the centrifugal pump.

In the figure: the device comprises a left shell 1, a gasket 2, a rotating shaft 3, a connector 4, a water pump 5, a drainage tube 6, an inserting sleeve 7, an adjusting bolt 8, a protective cover 9, a pressing ring 10, fan blades 11, a rectangular spring 12, a mesh shell 13, a thin-wall tube 14, a right shell 15, a middle ring 16, a radiating ring 17, an inserting frame 18, a wear-resistant pad 19 and an assembling bolt 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, in the embodiment of the present invention, a cooling device for a centrifugal pump mainly includes a left housing 1, an insert 7, a protective cover 9, a fan blade 11, a thin-walled tube 14 and a right housing 15, wherein the left end of the left housing 1 is connected to a centrifugal pump body through a screw assembly, the right edge of the right side of the left housing 1 is assembled with the right housing 15 through a bolt, the middle of the right end of the right housing 15 is inserted with the insert 7, the right side wall of the right housing 15 is inserted with an assembly bolt 20 matched with the insert 7 through a screwing connection, the inner side of the insert 7 is slidably connected to the right side of the press ring 10, the left end of the press ring 10 is fixedly installed with a rectangular spring 12, the left end of the rectangular spring 12 is fixedly installed with an insert frame 18, the outer side of the insert frame 18 is sleeved with a wear pad 19, the outer side wall of the wear pad 19 is tightly contacted with the right inner, the inner side wall of the wear-resistant pad 19 is rotationally pressed with the outer wall of the rotating shaft 3, the right end of the plug bush 7 is screwed and penetrated with an adjusting bolt 8, the rotating shaft 3 is provided with fan blades 11 which are positioned on the right side of the plug bush 7 and are vertically symmetrical through bolts, the outer wall of the right edge of the right shell 15 is provided with vertically symmetrical joints 4 in a penetrating way, the outer wall of the right end of the right shell 15 is fixedly provided with a mesh shell 13, the inner side of the mesh shell 13 is fixedly provided with a thin-walled tube 14 which is coiled, the left end of the thin-walled tube 14 is assembled and communicated with the joint 4 positioned at the upper part, the right end of the thin-wall pipe 14 is provided with a drainage pipe 6, the outer wall of the bottom end of the mesh shell 13 is fixedly provided with a water pump 5, the bottom end of the drainage tube 6 is assembled and communicated with the right end of the water pump 5, the left end of the water pump 5 is assembled and communicated with the joint 4 positioned at the lower part through a water pipe, the outer wall of the right end edge of the mesh shell 13 is fixedly provided with a protective cover 9 matched with the fan blades 11.

And a gasket 2 is arranged between the outer wall of the left side edge of the left shell 1 and the outer wall of the right side of the centrifugal pump body in a cushioning manner.

And a middle ring 16 is arranged between the left end of the right shell 15 and the right end of the left shell 1 in a crimping way.

And heat dissipation rings 17 which are arranged at equal intervals are fixedly arranged on the outer wall of the thin-wall pipe 14.

And the water pump 5 is electrically connected with an external power supply and an external control switch through a wire harness.

The utility model discloses a theory of operation is:

the utility model relates to a centrifugal pump cooling device, when in use, a shaft coupling between a centrifugal pump body and a centrifugal pump driving motor is disassembled, so that a rotating shaft 3 is separated from the centrifugal pump body, an inserting sleeve 7 is sleeved outside the rotating shaft 3, then a pressing ring 10 and an inserting frame 18 are inserted into the inserting sleeve 7, a left shell 1 and a right shell 15 are sleeved outside the rotating shaft 3, the inserting sleeve 7 is assembled and connected with the right shell 15 through an assembling bolt, a fan blade 11 is fixed outside the rotating shaft 3 in an abutting joint way and tightened, the centrifugal pump body is reassembled with the shaft coupling, then the left shell 1 is fixedly connected with the centrifugal pump body to finish assembly, a drainage tube 6 is separated from a water pump 5 and inserted into a heat exchange medium, the heat exchange medium is filled in the inner space of the left shell 1 and the right shell 15 through the suction force of the water pump 5, the filling seal of the centrifugal pump body is positioned at the rightmost end and is positioned, the heat exchange medium is circulated, heat is absorbed in the heat exchange medium, water bath type cooling is adopted, the heat exchange effect is good, heat is dissipated through the fan blades 11 at the position of the thin-walled tube 14, circulating heat exchange is carried out, recycling is guaranteed, the protective cover 9 and the mesh shell 13 are designed in a hollow mode, air passing efficiency is guaranteed, a gap between the right end of the right shell 15 and the rotating shaft 3 is sealed through the wear-resistant pad 19, elastic compression connection is carried out through the rectangular spring 12, the compression ring 10 and the binding bolt 8 are used for adjusting the compression effect in morning, the cooling device is suitable for abrasion of the wear-resistant pad 19 and gap change between the rotating shaft 3 and the right shell 15, and the cooling device can carry out quick external cooling on a centrifugal pump without a built-; the cooling device adopts the internal circulation water bath for cooling, has good effect and reuses the heat exchange medium.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A cooling device for a centrifugal pump mainly comprises a left shell (1), an insert sleeve (7), a protective cover (9), fan blades (11), a thin-walled tube (14) and a right shell (15), and is characterized in that the left end of the left shell (1) is connected with a centrifugal pump body through a screw assembly, the right edge of the right side of the left shell (1) is provided with the right shell (15) through a bolt assembly, the middle part of the right end of the right shell (15) is provided with the insert sleeve (7) in an inserting manner, the right side wall of the right shell (15) is provided with an assembly bolt (20) matched with the insert sleeve (7) in a penetrating and screwing manner, the inner right sliding portion of the insert sleeve (7) is provided with a press ring (10), the left end of the press ring (10) is fixedly provided with a rectangular spring (12), the left end of the rectangular spring (12) is fixedly provided with an insert frame (18), the outer side of the insert frame (18) is provided with a wear-resistant pad (19), the outer, the centrifugal pump body is connected with an external motor through a rotating shaft (3) in an assembling way, the inner side wall of a wear pad (19) is connected with the outer wall of the rotating shaft (3) in a rotating way, the right end of an inserting sleeve (7) is connected with an adjusting bolt (8) in a rotating way, the rotating shaft (3) is positioned at the right side of the inserting sleeve (7) and is provided with fan blades (11) in longitudinal symmetry through bolt assembling, the outer wall of the edge of the right side of a right side shell (15) is provided with connectors (4) in longitudinal symmetry in a penetrating way, the outer wall of the right side shell (15) is fixedly provided with a mesh shell (13), the inner side of the mesh shell (13) is fixedly provided with a thin-wall pipe (14) which is arranged in a coiling way, the left end of the thin-wall pipe (14) is communicated with the connectors, drainage tube (6) bottom and water pump (5) right-hand member assembly switch on, water pump (5) left end lead to pipe with be located the lower part connect (4) assembly to switch on, mesh shell (13) right-hand member edge outer wall fixed mounting have with flabellum (11) complex protection casing (9).

2. The cooling device for a centrifugal pump according to claim 1, wherein a gasket (2) is installed between the outer wall of the left side edge of the left casing (1) and the outer wall of the right side of the centrifugal pump body in a cushioning manner.

3. The cooling device for a centrifugal pump according to claim 1, wherein a middle ring (16) is press-fitted between the left end of the right casing (15) and the right end of the left casing (1).

4. Cooling device for a centrifugal pump according to claim 1, characterized in that the outer wall of the thin walled tube (14) is fixedly provided with equidistantly arranged heat dissipation rings (17).

5. The cooling device for a centrifugal pump according to claim 1, wherein the water pump (5) is electrically connected to an external power source and an external control switch by a wire harness.