CN219197731U

CN219197731U - Vertical multistage pump with motor connecting frame

Info

Publication number: CN219197731U
Application number: CN202320137543.2U
Authority: CN
Inventors: 范双午
Original assignee: Fulitong Pump Wuxi Co ltd
Current assignee: Fulitong Pump Wuxi Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-16
Anticipated expiration: 2033-02-03

Abstract

The application relates to a vertical multistage pump with motor link, it includes the pump casing, the pump casing top is provided with the motor link, the motor link includes along being close to the pump casing to keeping away from go-between, backing sheet and basic ring that the pump casing set gradually, the backing sheet sets up a plurality of along the go-between inner circle, coaxial collar and the adapter ring of being provided with on the basic ring, the internal diameter of adapter ring is greater than the external diameter of go-between, all offer a plurality of mounting holes that are used for installing the motor on collar and the adapter ring. The motor has the effect that the installation base is compatible with a permanent magnet motor and a common three-phase asynchronous motor.

Description

Vertical multistage pump with motor connecting frame

Technical Field

The application relates to the field of multistage pumps, in particular to a vertical multistage pump with a motor connecting frame.

Background

A vertical multistage pump is a mechanical device that can deliver from tap water to industrial liquids. The standard vertical motor and the quick-assembly mechanical seal are adopted, so that the replacement is very convenient. The overflow parts of the pump are all made of stainless steel materials, and the pump is applicable to slightly corrosive media.

The motor of the vertical multistage pump is generally installed vertically, a machine seat for installing the motor is arranged at the top of the vertical multistage pump, and then the motor is connected to the machine seat through bolts. The vertical multistage pump is generally driven by a common three-phase asynchronous motor, but compared with the common three-phase asynchronous motor, the permanent magnet motor with the same power has smaller energy consumption, is more energy-saving and environment-friendly, and is gradually applied at present.

In carrying out the present application, the inventors have found that at least the following problems exist in this technology: under the same power, the installation base of the permanent magnet motor is larger than that of a common three-phase asynchronous motor, so that the current base cannot be compatible with the installation of various motors.

Disclosure of Invention

In order to make the installation frame compatible with a permanent magnet motor and a common three-phase asynchronous motor, the application provides a vertical multistage pump with a motor connecting frame.

The application provides a vertical multistage pump with motor link adopts following technical scheme:

the utility model provides a vertical multistage pump with motor link, includes the pump housing, the pump housing top is provided with the motor link, the motor link includes along being close to the pump housing is kept away from go-between, backing sheet and basic ring that the pump housing set gradually, the backing sheet is followed go-between inner circle sets up a plurality of, coaxial collar and the adapter ring of being provided with on the basic ring, the internal diameter of adapter ring is greater than the external diameter of go-between, the collar with all offer a plurality of mounting holes that are used for installing the motor on the adapter ring.

Through adopting above-mentioned technical scheme, coaxial setting collar and the switching ring on basic ring installs the ordinary three-phase asynchronous motor of small on the collar, can also install the permanent-magnet machine that the volume is great on the bigger switching ring of diameter to make motor link compatible permanent-magnet machine and ordinary three-phase asynchronous motor, thereby satisfy different user demands.

Optionally, the connecting ring, the supporting piece, the foundation ring and the mounting ring are integrally formed.

Through adopting above-mentioned technical scheme, with go-between, backing sheet, foundation ring and collar integrated into one piece setting, guaranteed the overall structure intensity of motor link, promote the stability of motor installation.

Optionally, the adapter ring is welded to the base ring.

Through adopting above-mentioned technical scheme, weld the adapter ring on basic ring, make the adapter ring installation more firm, reduce the possibility that the adapter ring produced the removal in the course of the work.

Optionally, the external diameter of adapter ring is greater than the external diameter of basic ring, just the annular has been seted up to the inner circle of adapter ring, the annular with basic ring grafting cooperation, the outer lane of basic ring is provided with a plurality of connecting blocks along its circumferencial direction, the connecting block pass through the bolt with the adapter ring is connected.

Through adopting above-mentioned technical scheme, peg graft the cooperation with annular and basic ring to carry out preliminary location to the adapter ring, reduce the possibility that the adapter ring produced horizontal migration, rethread bolted connection connecting block and adapter ring, further carry out spacingly to the adapter ring, make the adapter ring unable rotation, realize the fixed to the swivel becket. When guaranteeing adapter ring job stabilization nature, conveniently change the adapter ring to adapt to the motor of more sizes, further promote the compatibility of motor link.

Optionally, a plurality of positioning blocks are arranged in the ring groove along the circumferential direction of the ring groove, a plurality of positioning grooves are formed in the outer ring of the foundation ring, and a single positioning block is in plug-in fit with a single positioning groove.

Through adopting above-mentioned technical scheme, with locating piece and constant head tank grafting cooperation, further spacing to the adapter ring, make the hole site on adapter ring and the connecting block align more easily simultaneously, promote the convenience of adapter ring installation.

Optionally, a side of the mounting ring remote from the base ring and a side of the adapter ring remote from the base ring are flush.

By adopting the technical scheme, the mounting surfaces of the mounting ring and the adapter ring are flush, so that the extension lengths of motor shafts after different motors are mounted are consistent, and the possibility that the motor shafts extend too long or too short is reduced.

Optionally, the supporting piece is arc-shaped.

Through adopting above-mentioned technical scheme, curved backing sheet has increased the area of connection between go-between and the basic ring, has guaranteed the intensity of motor link.

Optionally, a reinforcing rib is integrally formed on one side of the supporting piece, which is close to the inner ring of the connecting ring, and one end of the reinforcing rib is connected with the mounting ring.

Through adopting above-mentioned technical scheme, the structural strength of backing sheet is further strengthened to the strengthening rib to make the motor link more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the mounting ring and the switching ring are coaxially arranged on the foundation ring, the common three-phase asynchronous motor with smaller volume is mounted on the mounting ring, and the permanent magnet motor with larger volume can be mounted on the switching ring with larger diameter, so that the motor connecting frame is compatible with the permanent magnet motor and the common three-phase asynchronous motor, and different use requirements are met;

2. the adapter ring is welded on the base ring, so that the adapter ring is more firmly installed, and the possibility of movement of the adapter ring in the working process is reduced;

3. the annular groove is matched with the foundation ring in an inserting mode, the transfer ring is initially positioned, the possibility that the transfer ring moves horizontally is reduced, the connecting block and the transfer ring are connected through bolts, the transfer ring is further limited, the transfer ring cannot rotate, and the rotary ring is fixed. When guaranteeing adapter ring job stabilization nature, conveniently change the adapter ring to adapt to the motor of more sizes, further promote the compatibility of motor link.

Drawings

Fig. 1 is a schematic overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic view showing a structure of a motor connecting frame in embodiment 1 of the present application.

Fig. 3 is a schematic view showing a structure of a motor connecting frame in embodiment 2 of the present application.

Fig. 4 is a schematic diagram showing a connection structure of the foundation ring and the adapter ring in embodiment 2 of the present application.

Reference numerals illustrate:

1. a pump housing; 11. a mounting base; 2. a motor connecting frame; 3. a connecting ring; 4. a support sheet; 41. reinforcing ribs; 5. a base ring; 51. a positioning groove; 52. a connecting block; 6. a mounting ring; 7. an adapter ring; 71. a ring groove; 72. a positioning block; 8. and (5) mounting holes.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a vertical multistage pump with a motor connecting frame.

Example 1

Referring to fig. 1, a vertical multistage pump with motor link includes pump housing 1, fixedly be provided with mount pad 11 in the bottom of pump housing 1, pump housing 1's top is the hemisphere setting, be provided with motor link 2 at pump housing 1 top, motor link 2 includes go up go-between 3 that set gradually by down, backing sheet 4 and basic ring 5, coaxial go-between 7 that are provided with collar 6 and switching on basic ring 5, the internal diameter of switching ring 7 is greater than the external diameter of go-between 3, all offer a plurality of mounting holes 8 on collar 6 and switching ring 7, the mounting hole 8 is used for wearing the bolt of establishing fixed motor.

Referring to fig. 1, a common three-phase asynchronous motor with smaller volume can be mounted on the mounting ring 6 through bolts, and a permanent magnet motor with larger volume can be mounted on the adapter ring 7 with larger diameter through bolts, so that the motor connecting frame 2 is compatible with the permanent magnet motor and the common three-phase asynchronous motor so as to meet different use requirements.

Referring to fig. 1 and 2, the connecting ring 3, the supporting plate 4 and the base ring 5 are integrally formed, and the connecting ring 3 is connected to the mounting seat 11 through bolts and nuts. The supporting pieces 4 are arranged along the inner ring of the connecting ring 3 in a plurality, in this embodiment, two supporting pieces 4 are arranged in an arc shape, one side of each supporting piece 4, which is close to the inner ring of the connecting ring 3, is integrally provided with two reinforcing ribs 41, and one end of each reinforcing rib 41 is connected with the mounting ring 6. The supporting piece 4 is arranged at the top end position close to the pump housing 1 in a spherical surface and is attached to the top end of the pump housing 1.

Referring to fig. 1 and 2, the mounting ring 6 is integrally formed on the base ring 5, and the outer diameter of the mounting ring 6 is smaller than the outer diameter of the base ring 5. The internal diameter of adapter ring 7 is greater than the external diameter of go-between 3, and the external diameter of adapter ring 7 is greater than the external diameter of basic ring 5, and adapter ring 7 welds on basic ring 5, and welded adapter ring 7 promotes the stability of adapter ring 7 work. The side of the mounting ring 6 far away from the base ring 5 is flush with the side of the adapter ring 7 far away from the base ring 5, so that the motor shaft extends out to be consistent in length when different motors are mounted on the motor connecting frame 2.

The implementation principle of the vertical multistage pump with the motor connecting frame is as follows: through the integrated into one piece have collar 6 on basic ring 5 to the welding has adapter ring 7, not only can install the ordinary three-phase asynchronous motor of less volume on collar 6, can also install the great permanent magnet motor of volume on adapter ring 7, thereby compatible different grade type's motor, thereby satisfies different user demands.

Example 2

Referring to fig. 3 and 4, the difference between this embodiment and embodiment 1 is that the inner ring of the adapter ring 7 is provided with a ring groove 71, the ring groove 71 is in plug-in fit with the base ring 5, a plurality of positioning blocks 72 are integrally formed in the ring groove 71 along the circumferential direction of the adapter ring 7, three are taken as examples in this embodiment, and a plurality of positioning grooves 51 are provided on the outer ring of the base ring 5, three are taken as examples in this embodiment, and a single positioning block 72 is in plug-in fit with a single positioning groove 51. The outer ring of the foundation ring 5 is fixedly provided with a plurality of connecting blocks 52, in this embodiment, three connecting blocks 52 are connected with the adapter ring 7 through bolts.

The implementation principle of the embodiment 2 is as follows: the annular groove 71 is in plug-in fit with the base ring 5, and meanwhile, the positioning block 72 is in plug-in fit with the positioning groove 51, so that the adapter ring 7 is initially positioned, and then the connecting block 52 and the adapter ring 7 are connected through bolts, so that the adapter ring 7 is conveniently replaced when the working stability of the adapter ring 7 is ensured, and a motor with more sizes is adapted.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Vertical multistage pump with motor link, including pump housing (1), its characterized in that: the utility model discloses a motor pump casing (1) top is provided with motor link (2), motor link (2) include along being close to pump casing (1) to keeping away from go-between (3), backing sheet (4) and basic ring (5) that pump casing (1) set gradually, backing sheet (4) are followed go-between (3) inner circle sets up a plurality of, coaxial collar (6) and adapter ring (7) that are provided with on basic ring (5), the internal diameter of adapter ring (7) is greater than the external diameter of go-between (3), collar (6) with all set up a plurality of mounting holes (8) that are used for installing the motor on adapter ring (7).

2. A vertical multistage pump with motor coupling according to claim 1, characterized in that: the connecting ring (3), the supporting piece (4), the foundation ring (5) and the mounting ring (6) are integrally formed.

3. A vertical multistage pump with motor coupling according to claim 1, characterized in that: the adapter ring (7) is welded to the base ring (5).

4. A vertical multistage pump with motor coupling according to claim 1, characterized in that: the external diameter of switching ring (7) is greater than the external diameter of basic ring (5), just annular (71) have been seted up to the inner circle of switching ring (7), annular (71) with basic ring (5) grafting cooperation, the outer lane of basic ring (5) is provided with a plurality of connecting blocks (52) along its circumferencial direction, connecting block (52) pass through the bolt with switching ring (7) are connected.

5. A vertical multistage pump with motor connection according to claim 4, characterized in that: the ring groove (71) is internally provided with a plurality of positioning blocks (72) along the circumference thereof, the outer ring of the foundation ring (5) is provided with a plurality of positioning grooves (51), and each positioning block (72) is in plug-in fit with each positioning groove (51).

6. A vertical multistage pump with motor coupling according to claim 1, characterized in that: the side of the mounting ring (6) facing away from the base ring (5) and the side of the adapter ring (7) facing away from the base ring (5) are flush.

7. A vertical multistage pump with motor coupling according to claim 1, characterized in that: the supporting sheet (4) is arranged in an arc shape.

8. A vertical multistage pump with motor connection according to claim 7, characterized in that: one side of the supporting piece (4) close to the inner ring of the connecting ring (3) is integrally provided with a reinforcing rib (41), and one end of the reinforcing rib (41) is connected with the mounting ring (6).