CN215256846U - Centering adjusting device of centrifugal pump and motor - Google Patents
Centering adjusting device of centrifugal pump and motor Download PDFInfo
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- CN215256846U CN215256846U CN202121245920.1U CN202121245920U CN215256846U CN 215256846 U CN215256846 U CN 215256846U CN 202121245920 U CN202121245920 U CN 202121245920U CN 215256846 U CN215256846 U CN 215256846U
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- centrifugal pump
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Abstract
An embodiment of the utility model provides a centering adjusting device of centrifugal pump and motor, include: the pump unit comprises a pump unit base, a centrifugal pump device, a motor device, a coupling and at least one eccentric bolt; the eccentric bolt is fastened on the pump group base in a threaded manner; one side of the pump group base is fixedly connected with the centrifugal pump device, and the other side of the pump group base is movably arranged on the motor device through at least one eccentric bolt; the centrifugal pump device is fixedly connected with the motor device through a coupling. The embodiment of the utility model discloses an installation and transportation of having realized centrifugal pump and motor are convenient more fast, have avoided the risk that pump package base takes place to drop in the transportation, and it is long when the operation that has significantly reduced simultaneously, have reduced the cost of labor, have saved material cost.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, especially indicate a centering adjusting device of centrifugal pump and motor.
Background
As is well known, water pumps are used as general industrial products in various industries and are closely related to our lives, such as daily water, heating systems, air-conditioning circulating water systems, national water taking and regulating projects, and the like. The centrifugal pump has the characteristics of wide flow lift range and relatively stable operation, and is widely applied to the fields. The centrifugal pump belongs to power machinery, and can normally work and run only by providing power for the centrifugal pump through power design of a motor and the like. In general, a centrifugal pump group driven by an electric motor consists of four main components: centrifugal pump, motor, shaft coupling (be used for connecting centrifugal pump and motor) and the base that supports them. Whether the centrifugal pump and the shaft end of the motor are centered or not has a crucial influence on the vibration, noise and comprehensive operation performance of the whole pump set. Therefore, how to quickly and accurately complete the centering adjustment of the shaft of the centrifugal pump and the shaft of the motor is a key factor for ensuring the efficient and stable operation of the pump set.
The shaft of the existing centrifugal pump and the shaft of the motor are mainly centered in two structural modes: one is to weld an adjusting block for adjusting the position of the motor on the edge of a base at the end of the motor, and install a corresponding bolt for installation and centering adjustment; the other is to design a movable adjusting block and arrange a corresponding bolt for centering adjustment. The two structural forms need to spend a long time to operate in the assembly centering adjustment process, the labor cost is high, the material cost of the adjusting block is also high, in addition, the adjusting block is arranged on the supporting plate at the motor end of the bottom plate, the inconvenience is brought to the transportation of the bottom plate, and the falling accident is easy to occur in the transportation process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a centering adjusting device of centrifugal pump and motor. The installation and the transportation of centrifugal pump and motor are convenient more fast, have avoided the risk that the pump package base takes place to drop in the transportation, and the operation that has significantly reduced simultaneously is long, has reduced the cost of labor, has saved material cost.
In order to solve the above technical problem, an embodiment of the present invention provides the following solutions:
the utility model provides a centering adjusting device of centrifugal pump and motor, include: the pump unit comprises a pump unit base, a centrifugal pump device, a motor device, a coupling and at least one eccentric bolt;
the eccentric bolt is fastened on the pump group base in a threaded manner;
one side of the pump group base is fixedly connected with the centrifugal pump device, and the other side of the pump group base is movably arranged on the motor device through at least one eccentric bolt;
the centrifugal pump device is fixedly connected with the motor device through a coupling.
Optionally, the pump stack base includes:
the pump unit base itself;
at least one threaded hole.
Optionally, the centrifugal pump apparatus comprises:
a centrifugal pump;
and the pump end coupling is arranged at one end of the centrifugal pump.
Optionally, the motor device includes:
a motor;
and the motor end coupling is arranged at one end of the motor.
Optionally, one end of the coupling is fixedly connected with the pump end coupling, and the other end of the coupling is fixedly connected with the motor end coupling.
Optionally, the eccentric bolt includes:
an eccentric bolt head;
and the eccentric bolt shaft is mutually connected with the eccentric bolt head.
Optionally, the cross-sectional area of the eccentric bolt head is larger than the cross-sectional area of the eccentric bolt shaft.
Alternatively to this, the first and second parts may,
the cross-sectional area of the eccentric bolt head is larger than that of the threaded hole;
the cross-sectional area of the eccentric bolt shaft is smaller than or equal to the cross-sectional hole area of the threaded hole.
The above technical scheme of the utility model at least include following beneficial effect:
the above technical scheme of the utility model, include: the pump unit comprises a pump unit base, a centrifugal pump device, a motor device, a coupling and at least one eccentric bolt; the eccentric bolt is fastened on the pump group base in a threaded manner; one side of the pump group base is fixedly connected with the centrifugal pump device, and the other side of the pump group base is movably arranged on the motor device through at least one eccentric bolt; the centrifugal pump device is fixedly connected with the motor device through a coupling. The installation and the transportation of centrifugal pump and motor are convenient more fast, have avoided the risk that the pump package base takes place to drop in the transportation, and the operation that has significantly reduced simultaneously is long, has reduced the cost of labor, has saved material cost.
Drawings
Fig. 1 is a schematic structural diagram of a centering adjustment device of a centrifugal pump and a motor according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an eccentric bolt in a centering adjustment device of a centrifugal pump and a motor according to an embodiment of the present invention;
fig. 3 is a schematic right view of an eccentric bolt in the centering adjustment device for a centrifugal pump and a motor according to the embodiment of the present invention;
fig. 4 is a schematic view illustrating an installation of an eccentric bolt in the centering adjustment device of the centrifugal pump and the motor according to the embodiment of the present invention;
description of reference numerals:
1-a pump unit base; 2-a centrifugal pump device; 3-a motor device; 4-coupling; 5-eccentric bolt; 11-the pump unit base itself; 12-a threaded hole; 21-a centrifugal pump; 22-pump end coupling; 31-a motor; 32-motor end coupling; 51-eccentric bolt head; 52-eccentric bolt shaft.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, the utility model provides a centering adjusting device of centrifugal pump and motor, include: the pump unit comprises a pump unit base 1, a centrifugal pump device 2, a motor device 3, a coupling 4 and at least one eccentric bolt 5;
the eccentric bolt 5 is fastened on the pump group base 1 in a threaded manner;
one side of the pump group base 1 is fixedly connected with the centrifugal pump device 2, and the other side of the pump group base is movably arranged on the motor device 3 through at least one eccentric bolt 5;
the centrifugal pump device 2 is fixedly connected with the motor device 3 through a coupling 4.
In the embodiment, the centrifugal pump device 2 is fixedly connected to one side of the pump set base 1, the motor device 3 is movably arranged on the other side of the pump set base 1 based on self gravity factors, the coupling 4 is arranged between the centrifugal pump device 2 and the motor device 3, and the centrifugal pump device 2 and the motor device 3 are fixedly connected to play a role in transmitting torque when the centrifugal pump set starts to operate; its simple structure, centrifugal pump 21 and motor 31's installation and transportation are convenient more fast, have avoided pump package base 1 to take place the risk that drops in the transportation, and the operation that has significantly reduced simultaneously is long, has reduced the cost of labor, has saved material cost.
As shown in fig. 1, in particular, in an alternative embodiment of the present invention, the pump unit base 1 includes: the pump unit mount itself 11; at least one threaded hole 12;
in this embodiment, the pump unit base 1 plays a role in supporting the motor 31 in the centrifugal pump 21 in the centrifugal pump and motor structure, and provides a guarantee for stable and reliable operation.
In an alternative embodiment of the present invention, the centrifugal pump apparatus 2 includes: a centrifugal pump 21; a pump end coupling 22 provided at one end of the centrifugal pump 21;
in this embodiment, the centrifugal pump 21 provides the required parameters, which preferably may include flow rate and lift, by a certain rotational speed brought by the motor 31.
In an alternative embodiment of the present invention, the motor device 3 includes: a motor 31; and a motor end coupling 32 provided at one end of the motor 31.
In this embodiment, the motor 31 provides a transmission power for the rotation of the centrifugal pump 21, and at least one threaded hole 12 is provided on the pump set base 11, it should be noted that the threaded hole 12 and the preferred hexagonal hole are not limited in this application, and the threaded hole 12 may be appropriately adjusted according to actual needs, and may also be a hole with other shape capable of being adapted to the eccentric bolt 5.
In an alternative embodiment, the coupling 4 has one end fixedly connected to the pump end coupling 22 and the other end fixedly connected to the motor end coupling 32.
In this embodiment, the centrifugal pump device 2 is provided with a pump end coupling 22 fixedly connected to the tail end of the centrifugal pump shaft, and when the centrifugal pump and the motor structure operate, the centrifugal pump can transfer torque, it should be noted that the centrifugal pump shaft is a transmission shaft which is arranged inside the centrifugal pump 21 and is dedicated to the centrifugal pump 21, preferably a key transmission structure, or other transmission structures, and the shaft tail end of the centrifugal pump shaft extends to the outside of the centrifugal pump 21 and is fixedly connected to the pump end coupling 22;
the motor device 3 is provided with a motor end coupling 32 fixedly connected to a shaft extension end of a motor shaft, and can play a role of transmitting torque when the centrifugal pump and the motor structure operate, it should be noted that the motor shaft is a transmission shaft which is arranged inside the motor 31 and is specially used for the motor 31, preferably a key transmission structure, and certainly can be other transmission structures, and the shaft extension end of the motor shaft extends to the outside of the motor 31 and is fixedly connected with the motor end coupling 32;
the fixed connection between the centrifugal pump device 2 and the motor device 3 is realized by fixedly connecting one end of the coupling 4 with the pump end coupling 22 and the other end of the coupling 4 with the motor end coupling 32, and when the centrifugal pump and the motor structure operate, the coupling 4 can play a role in transmitting torque so as to facilitate the replacement of internal components and/or maintenance and inspection of the centrifugal pump 21.
As shown in fig. 2 and 3, in an alternative embodiment of the present invention, the eccentric bolt 5 includes: an eccentric bolt head 51; an eccentric bolt shaft 52 interconnected with the eccentric bolt head 51.
In this embodiment, the eccentric bolt 5 is a core component for centering adjustment in the centrifugal pump and motor structure, the eccentric bolt 5 includes an eccentric bolt head 51 and an eccentric bolt shaft 52, the eccentric bolt head 51 and the eccentric bolt shaft 52 are integrally formed structures, and the eccentric bolt head 51 is preferably circular, but the present application is not limited thereto, and the eccentric bolt head 51 may be appropriately adjusted according to actual needs, or may be in other shapes; the central axis of the eccentric bolt head 51 is a, the central axis of the eccentric bolt shaft 52 is b, and the central axis a and the central axis b are not on the same spatial position line.
In an alternative embodiment of the present invention, as shown in fig. 3, the cross-sectional area of the eccentric bolt head 51 is larger than the cross-sectional area of the eccentric bolt shaft 52.
In this embodiment, the cross-sectional area of the eccentric bolt head 51 should be larger than the cross-sectional area of the eccentric bolt head 51 in order to screw-fasten the eccentric bolt 5 to the pump unit base 1.
In an alternative embodiment of the present invention, the cross-sectional area of the eccentric bolt head 51 is larger than the cross-sectional hole area of the threaded hole 12; the cross-sectional area of the eccentric bolt shaft 52 is smaller than or equal to the cross-sectional hole area of the threaded hole 12.
In this embodiment, the eccentric bolt shaft 52 of the eccentric bolt 5 penetrates through the threaded hole 12 to fasten the eccentric bolt 5 to the pump set base 1, specifically, the cross-sectional area of the eccentric bolt head 51 in the eccentric bolt 5 is larger than that of the threaded hole 12, so as to adjust the position of the motor 31 through the eccentric bolt head 51, and the eccentric bolt 5 can achieve the installation, centering and adjustment process of the centrifugal pump 21 and the motor 31 quickly and accurately.
As shown in fig. 4, in a specific embodiment, the dashed square box is a preset installation position of the motor 31; the shaded portion in the solid line box is the precise position where the motor 31 is installed; the hexagonal frame is a threaded hole 12; the solid line circle is the preset installation position of the eccentric bolt 5; the dotted circle is the actual mounting position of the eccentric bolt 5 after adjustment; when the motor device 3 is arranged in a preset mounting position on the pump unit base 1 based on self gravity, and when the motor 31 and the centrifugal pump 21 need to be axially aligned, the position of the motor 31 is adjusted by rotating the eccentric bolt 5, and the eccentric bolt head 51 and the central axis of the eccentric bolt shaft 52 are not on the same line, so that the position of the motor 31 can be adjusted to an accurate position for mounting the motor 31 by rotating the eccentric bolt 5, and the alignment adjustment process is realized.
The embodiment of the utility model provides an, include: the pump unit comprises a pump unit base 1, a centrifugal pump device 2, a motor device 3, a coupling 4 and at least one eccentric bolt 5; the eccentric bolt 5 is fastened on the pump group base 1 in a threaded manner; one side of the pump group base 1 is fixedly connected with the centrifugal pump device 2, and the other side is movably provided with the motor device 3 through at least one eccentric bolt 5; the centrifugal pump device 2 is fixedly connected with the motor device 3 through a coupling 4; the centrifugal pump has the advantages that the centrifugal pump and the motor are mounted and transported more quickly and conveniently, the risk that the pump set base 1 falls off in the transportation process is avoided, the structure is simple, the operation is easy, the operation is greatly reduced, the labor cost is reduced, and the material cost is saved.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A centering adjusting device of a centrifugal pump and a motor is characterized by comprising: the pump unit comprises a pump unit base (1), a centrifugal pump device (2), a motor device (3), a coupling (4) and at least one eccentric bolt (5);
the eccentric bolt (5) is fastened on the pump group base (1) in a threaded manner;
one side of the pump group base (1) is fixedly connected with the centrifugal pump device (2), and the other side of the pump group base is movably arranged on the motor device (3) through at least one eccentric bolt (5);
the centrifugal pump device (2) is fixedly connected with the motor device (3) through a coupling (4).
2. Centering adjustment device of centrifugal pump and electric motor according to claim 1, characterized in that the pump group base (1) comprises:
the pump group base itself (11);
at least one threaded hole (12).
3. Centering adjustment device of a centrifugal pump with an electric motor according to claim 1, characterized in that said centrifugal pump device (2) comprises:
a centrifugal pump (21);
and a pump end coupling (22) arranged at one end of the centrifugal pump (21).
4. Centering adjustment device of a centrifugal pump with an electric motor according to claim 1, characterized in that said electric motor means (3) comprises:
a motor (31);
and a motor end coupling (32) arranged at one end of the motor (31).
5. The centering adjustment device of the centrifugal pump and the motor according to claim 4, characterized in that one end of the coupling (4) is fixedly connected with the pump end coupling (22), and the other end is fixedly connected with the motor end coupling (32).
6. Centering adjustment device of centrifugal pump and electric motor according to claim 1, characterized in that said eccentric bolt (5) comprises:
an eccentric bolt head (51);
an eccentric bolt shaft (52) interconnected with the eccentric bolt head (51).
7. Centering adjustment device of centrifugal pump and motor according to claim 6, characterized in that the cross-sectional area of the eccentric bolt head (51) is larger than the cross-sectional area of the eccentric bolt shaft (52).
8. A centering adjustment device of a centrifugal pump and a motor according to claim 7,
the cross-sectional area of the eccentric bolt head (51) is larger than that of the threaded hole (12);
the cross-sectional area of the eccentric bolt shaft (52) is smaller than or equal to the cross-sectional hole area of the threaded hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121245920.1U CN215256846U (en) | 2021-06-04 | 2021-06-04 | Centering adjusting device of centrifugal pump and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121245920.1U CN215256846U (en) | 2021-06-04 | 2021-06-04 | Centering adjusting device of centrifugal pump and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256846U true CN215256846U (en) | 2021-12-21 |
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ID=79476707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121245920.1U Active CN215256846U (en) | 2021-06-04 | 2021-06-04 | Centering adjusting device of centrifugal pump and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215256846U (en) |
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2021
- 2021-06-04 CN CN202121245920.1U patent/CN215256846U/en active Active
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