CN212337661U - Vertical structure centrifugal pump with motor independently supported and bearing body independently supported - Google Patents
Vertical structure centrifugal pump with motor independently supported and bearing body independently supported Download PDFInfo
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- CN212337661U CN212337661U CN202022160006.9U CN202022160006U CN212337661U CN 212337661 U CN212337661 U CN 212337661U CN 202022160006 U CN202022160006 U CN 202022160006U CN 212337661 U CN212337661 U CN 212337661U
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Abstract
The utility model provides a vertical structure centrifugal pump of motor independent support, independent bearing body, constitute including the shaft coupling, the motor support of the pump body, impeller, pump cover, bearing box, bearing gland, area interzone, the pump body passes through connecting bolt to be connected in the motor support lower part, and the motor is located the upper end at the motor support, be equipped with the gasket bush between deep groove ball bearing and the angular contact ball bearing. The motor is independently supported by the motor support, and pump portion need not to bear the weight of motor, has avoided pump body spiral case because of receiving the deformation that extra power led to, and the vibration that produces when the motor operation passes through the motor support directly to transmit the pump basis simultaneously, can not lead to the fact the influence to the pump, very big improvement the stationarity and the reliability of pump operation. The upper bearing and the lower bearing in the bearing body are positioned by the gasket bushes, so that the positioning is accurate and reliable, the bearing can run more stably and reliably, and the service life of the bearing and the running stability are improved.
Description
Technical Field
The utility model relates to a field be the fluid machinery field, particularly, especially relate to a vertical structure centrifugal pump of independent support of motor, independent bearing body.
Background
In pipeline transportation or devices, centrifugal pumps with vertical structures are often encountered, and the pumps are horizontal inlets and outlets and can be directly connected with pipelines, so that the connection is convenient and simple, and the area of a station is small. The existing centrifugal pump with a vertical structure has the following two technologies: one is a coaxial structure of the motor and the pump, and the other is a structure of the pump with a separate bearing body. No matter the structure is a coaxial structure or an independent bearing body structure, the motor support is directly connected with the pump body or the pump cover through the connecting bolt, the pump body needs to bear the weight of the whole motor and the support, the vibration of the motor is transmitted to the pump through the support during operation, the pump group vibrates excessively during operation, and the reliability is reduced.
In the aspect of sealing, due to the limited space, the pumps with the two structures can only be provided with non-integrated mechanical seals, and certain leakage amount exists in the mechanical seals, so that a conveying medium can be directly leaked into the bearing box body, the lubrication of the bearing is damaged, the bearing is failed, and the service life and the running reliability of the bearing are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a motor independent support, independent bearing body's vertical structure centrifugal pump.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this: a centrifugal pump with a vertical structure and an independent bearing body and independently supported by a motor comprises a pump body, an impeller, a pump cover, a bearing box body, a bearing gland, a coupling with a middle section and a motor support, wherein a shaft is arranged in the pump body, the impeller is fixed on the shaft through a key and an impeller nut, the bearing box body is connected on the pump cover through a connecting bolt, a base is designed at the lower part of the pump body and is fixed on the motor support through the connecting bolt, a plurality of groups of motor axial position adjusting mechanisms are arranged at the upper part of the motor support, the pump body is connected at the lower part of the motor support through the connecting bolt, the motor is located at the upper end of the motor support, the coupling with the middle section is connected with a motor shaft extension and a pump shaft extension, a deep groove ball bearing is arranged at one side of the shaft, which is close to the impeller, one side of a driving end, a gasket bush is arranged between the deep groove ball bearing and the angular contact ball bearing;
preferably, a heat dissipation rib plate is designed outside the bearing box body;
preferably, a mechanical seal is arranged at the position where the shaft extends out of the pump cover;
preferably, the upper part of the gasket bush is tightly attached to the angular contact ball bearing and the bearing box body, and a gap is formed between the lower part of the gasket bush and the deep groove ball bearing;
preferably, the size of the gap is 0.3-0.5 mm.
The beneficial effects of the utility model reside in that: the utility model discloses an independent support frame support motor adopts the gasket bush location between the internal upper and lower bearing of bearing. The motor is independently supported by the motor support, and pump portion need not to bear the weight of motor, has avoided pump body spiral case because of receiving the deformation that extra power led to, and the vibration that produces when the motor operation passes through the motor support directly to transmit the pump basis simultaneously, can not lead to the fact the influence to the pump, very big improvement the stationarity and the reliability of pump operation. The upper bearing and the lower bearing in the bearing body are positioned by the gasket bushes, so that the positioning is accurate and reliable, the bearing can run more stably and reliably, and the service life of the bearing and the running stability are improved.
Drawings
The technical scheme of the utility model is further explained with the attached drawings as follows:
FIG. 1 is a view showing the appearance of a vertical centrifugal pump of the present invention;
FIG. 2 is a schematic structural view of a vertical centrifugal pump head of the present invention;
FIG. 3 is a schematic view of the structure of the motor bracket of the present invention;
FIG. 4 is a schematic view of a structure of a separate bearing body of the present invention;
FIG. 5 is a schematic view of the gasket bushing structure of the present invention;
fig. 6 is a schematic view of the sectional structure of the centrifugal pump with vertical structure of the present invention.
Description of the parts:
1-motor support 2-pump body 3-impeller 4-pump cover 5-mechanical seal 6-bearing box 7-shaft 8-deep groove ball bearing 9-gasket bush 10-angular contact ball bearing 11-bearing gland.
Detailed Description
For a better understanding and appreciation of the invention, reference will now be made in detail to the following description of the invention taken in conjunction with the accompanying drawings. However, these embodiments are not limited to the present invention, and all changes in structure, method, and function that may be made by a designer in the field of the present invention are included in the scope of the present invention.
As shown in fig. 1 to 6, the utility model discloses a motor supports independently, vertical structure centrifugal pump of independent bearing body comprises motor support 1, the pump body 2, impeller 3, pump cover 4, mechanical seal 5, bearing box 6, axle 7, deep groove ball bearing 8, gasket bush 9, angular contact ball bearing 10 and bearing gland 11. The upper portion of motor support 1 is provided with four groups of motor axial position guiding mechanism 101, and the pump body 2 passes through connecting bolt to be connected in motor support 1 lower part, be provided with axle 7 in the pump body 2, be equipped with impeller 3 on the axle 7, impeller 3 sets up through the key axle 7 on, the drive end of axle 7 is provided with a pair of angular contact ball bearing 10, is close to impeller 3 one side is provided with deep groove ball bearing 8, angular contact ball bearing 10 and deep groove ball bearing 8 are placed in bearing box 6, bearing gland 11 pass through the bolt with bearing box 6 is connected, bearing box 6's outside design has the heat dissipation gusset, axle 7 stretches out 4 departments of pump cover and is provided with mechanical seal 5.
As shown in fig. 5, the present invention further discloses a gasket bushing 9, wherein the upper portion of the gasket bushing 9 is closely attached to the angular contact ball bearing 10 and the bearing housing 6, and a gap of 0.3mm is designed between the lower portion of the gasket bushing 9 and the deep groove ball bearing 10.
In actual use, the motor is placed on the motor support, the axial position adjusting mechanism is used for realizing accurate adjustment of coaxiality between the motor and the pump shaft, the weight of the motor is independently borne by the motor support, the pump body part does not need to bear extra weight, and extra stress deformation does not exist in the operation process. The design of the gasket bush enables the angular contact ball bearing at the upper part to reserve a certain lubricating grease storage cavity, and meanwhile, the accurate positioning of the bearing is realized. The overall design realizes that the motor can not cause any influence on the pump once the motor is abnormal in the operation process, the maintenance of the pump does not need to disassemble the motor and inlet and outlet pipelines, the operation is convenient and time-saving, and the high-strength motor support can greatly increase the operation reliability of the whole pump set.
The utility model has the characteristics of the adjustment is simple, easy maintenance, safe and stable operation, vibration hang down etc.
A series of detailed descriptions listed above are specific descriptions and illustrations of feasible embodiments of the present invention for several years, and are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the core contents of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a motor supports independently, vertical structure centrifugal pump of independent bearing body, includes the pump body (2), impeller (3), pump cover (4), bearing box (6), bearing gland (11), takes the shaft coupling of intermediate junction, motor support (1) to constitute, be provided with axle (7) in the pump body (2), impeller (3) are fixed through key and impeller nut on axle (7), bearing box (6) are in through connecting bolt connection on pump cover (4), its characterized in that:
the design of pump body (2) lower part has the base, fixes on motor support (1) through connecting bolt, there are multiunit motor axial position guiding mechanism (101) on motor support (1) upper portion, the pump body (2) is connected in motor support (1) lower part through connecting bolt, and the motor is located the upper end in motor support (1), through take the shaft coupling motor shaft extension of intermediate junction to stretch with the pump shaft, being close to of axle (7) impeller (3) one side is equipped with deep groove ball bearing (8), drive end one side of axle (7) is equipped with a pair of angular contact ball bearing (10), angular contact ball bearing (10) and deep groove ball bearing (8) are located in bearing box (6), be equipped with gasket bush (9) between deep groove ball bearing (8) and angular contact ball bearing (10).
2. The centrifugal pump of vertical structure with motor independent support and independent bearing body as claimed in claim 1, wherein:
and a heat dissipation rib plate is designed outside the bearing box body (6).
3. A centrifugal pump of vertical structure of motor-independent support, independent bearing body, according to claim 1 or 2, characterized in that:
and a mechanical seal (5) is arranged at the position where the shaft extends out of the pump cover.
4. A centrifugal pump of vertical structure of motor-independent support, independent bearing body, according to claim 1 or 2, characterized in that:
the upper part of the gasket bush (9) is tightly attached to the angular contact ball bearing (10) and the bearing box body (6), and a gap is arranged between the lower part of the gasket bush (9) and the deep groove ball bearing (8).
5. The centrifugal pump of vertical structure with motor independent support and independent bearing body as claimed in claim 4, wherein: the size of the gap is 0.3-0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022160006.9U CN212337661U (en) | 2020-09-28 | 2020-09-28 | Vertical structure centrifugal pump with motor independently supported and bearing body independently supported |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022160006.9U CN212337661U (en) | 2020-09-28 | 2020-09-28 | Vertical structure centrifugal pump with motor independently supported and bearing body independently supported |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212337661U true CN212337661U (en) | 2021-01-12 |
Family
ID=74070752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022160006.9U Active CN212337661U (en) | 2020-09-28 | 2020-09-28 | Vertical structure centrifugal pump with motor independently supported and bearing body independently supported |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212337661U (en) |
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2020
- 2020-09-28 CN CN202022160006.9U patent/CN212337661U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221018 Address after: Room 1902, Building 2, MSD-G District, TEDA, No. 57, Second Street, Economic and Technological Development Zone, Binhai New Area, Tianjin 300457 Patentee after: Sunshine pump (Tianjin) Co.,Ltd. Patentee after: YANTAI SUNSHINE PUMP Co.,Ltd. Address before: 809 Xincheng street, Muping Economic Development Zone, Yantai City, Shandong Province 264100 Patentee before: YANTAI SUNSHINE PUMP Co.,Ltd. |
|
| TR01 | Transfer of patent right |