CN220815982U - Centrifugal pump with impeller easy to replace - Google Patents

Abstract

The utility model provides a centrifugal pump with an impeller easy to replace, which comprises a base and a shell, wherein the shell is internally provided with the impeller, a first pad table and a second pad table are fixed above the base at intervals, a motor is installed above the first pad table, a connecting part is installed at the output end of the motor, the connecting part is installed on the second pad table, a first connecting flange is fixed on the connecting part, a supporting seat is installed on the base, a movable seat is arranged above the supporting seat, a supporting table is detachably installed above the movable seat through a first bolt, the shell is fixed above the supporting table, and a second connecting flange is fixed on one side of the shell.

Description

Centrifugal pump with impeller easy to replace

Technical Field

The utility model relates to the field of centrifugal pumps, in particular to a centrifugal pump with an easily replaceable impeller.

Background

The centrifugal pump is a vane pump which conveys liquid by the centrifugal force generated when the impeller rotates, and the mechanical energy is transmitted to the liquid by the vane due to the interaction of the vane and the liquid in the rotating process of the impeller, so that the pressure energy of the liquid is increased, and the purpose of conveying the liquid is achieved. The centrifugal pump has various types such as vertical, horizontal, single-stage, multi-stage, single-suction, double-suction, self-suction and the like, and is widely applied to the departments such as industry and urban water supply and drainage, energy, metallurgy, chemical industry, textile, papermaking, petroleum, electric power, papermaking, food pharmacy, synthetic fiber and the like.

However, when maintaining or replacing the impeller, the existing centrifugal pump needs a worker to detach the shell provided with the impeller, bring the shell to a maintenance area for maintenance through a hoisting tool, the time is long, the workload of the worker is increased, and the use effect is poor.

Therefore, there is a need to provide a new centrifugal pump with an easily replaceable impeller, which solves the above-mentioned technical problems.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the centrifugal pump with the easily replaced impeller, which solves the problems that when the existing centrifugal pump is maintained or the impeller is replaced, a worker is required to detach a shell provided with the impeller, and then the shell is brought to a maintenance area for maintenance through a hoisting tool, so that the time is long, the workload of the worker is increased, and the use effect is poor.

The centrifugal pump with the easily replaceable impeller comprises a base and a shell, wherein the shell is internally provided with the impeller, a first pad table and a second pad table are fixed above the base at intervals, a motor is arranged above the first pad table, a connecting part is arranged at the output end of the motor, the connecting part is arranged on the second pad table, and a first connecting flange is fixed on the connecting part;

Install the supporting seat on the base, the supporting seat top is provided with the removal seat, remove the seat top and install the brace table through first bolt detachable, the brace table top is fixed with the casing, casing one side is fixed with the second flange.

In a preferred embodiment, the support stand is integrally formed with the housing.

In a preferred embodiment, a sealing gasket is arranged between the first connection flange and the second connection flange.

In a preferred embodiment, two groups of sliding grooves are arranged above the supporting seat at intervals, two sliding blocks are fixed at intervals at the bottom of the movable seat, and the sliding blocks are in sliding connection with the sliding grooves;

The supporting seat is characterized in that a placing groove is formed in the surface of the supporting seat, a screw rod is movably arranged in the placing groove through a bearing, and the bottom of the movable seat is in threaded connection with the screw rod.

In a preferred embodiment, the support surface is provided with a plurality of sets of threaded holes at intervals, and the movable seat is connected with the threaded holes through a second bolt.

In a preferred embodiment, a plurality of first connecting blocks are fixed on two sides of the base, a plurality of second connecting blocks are fixed on two sides of the supporting seat, and the first connecting blocks are connected with the second connecting blocks through third bolts.

The utility model has the beneficial effects that:

When this centrifugal pump uses as shown in figure 1, when needs overhauld and change the impeller, the staff only need dismantle a plurality of second bolts earlier, use the spanner with connecting portion and casing, first flange and second flange separation, it can make the casing remove to the direction of keeping away from connecting portion to rotate the handle drive lead screw at last, the staff can overhaul and change the inside impeller of casing this moment, need not the staff and use lifting means to remove this casing to the maintenance area maintenance, and after the maintenance is accomplished, the staff only need rotate the handle and can drive the casing and reset, greatly increased the installation rate of casing.

Drawings

FIG. 1 is a perspective view I of the whole structure of a centrifugal pump with an easily replaceable impeller provided by the utility model;

FIG. 2 is a perspective view II of the whole structure of the centrifugal pump with the easily replaceable impeller;

fig. 3 is a plan view of the whole structure of the centrifugal pump with the easily replaceable impeller.

Reference numerals in the drawings: 1. a base; 2. a first pad; 3. a second pad; 4. a motor; 5. a connection part; 6. a support base; 7. a movable seat; 8. a support table; 9. a first connection flange; 10. a second connection flange; 11. a first bolt; 12. a chute; 13. a slide block; 14. a placement groove; 15. a screw rod; 16. a threaded hole; 17. a second bolt; 18. a first connection block; 19. a second connection block; 20. a third bolt; 21. a housing.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a perspective view of an overall structure of a centrifugal pump with an easily replaceable impeller according to the present utility model; FIG. 2 is a perspective view II of the whole structure of the centrifugal pump with the easily replaceable impeller; fig. 3 is a plan view of the whole structure of the centrifugal pump with the easily replaceable impeller.

In the specific implementation process, as shown in fig. 1-3, the device comprises a base 1 and a shell 21 internally provided with an impeller, a first pad 2 and a second pad 3 are fixed above the base 1 at intervals, a motor 4 is installed above the first pad 2, a connecting part 5 is installed at the output end of the motor 4, the connecting part 5 is installed on the second pad 3, a first connecting flange 9 is fixed on the connecting part 5, a supporting seat 6 is installed on the base 1, a movable seat 7 is arranged above the supporting seat 6, a supporting table 8 is detachably installed above the movable seat 7 through a first bolt 11, the shell 21 is fixed above the supporting table 8, the supporting table 8 and the shell 21 are integrally formed, and when the shell 21 needs to be detached from the movable seat 7, only a plurality of first bolts 11 need to be screwed out through a wrench.

The second connecting flange 10 is fixed on one side of the shell 21, and a sealing gasket is arranged between the first connecting flange 9 and the second connecting flange 10, so that the tightness between the first connecting flange 9 and the second connecting flange is improved, and leakage is prevented.

Two groups of sliding grooves 12 are formed in the upper portion of the supporting seat 6 at intervals, two sliding blocks 13 are fixed at the bottom of the movable seat 7 at intervals, the sliding blocks 13 are in sliding connection with the sliding grooves 12, a placing groove 14 is formed in the surface of the supporting seat 6, a screw rod 15 is movably arranged in the placing groove 14 through a bearing, the bottom of the movable seat 7 is in threaded connection with the screw rod 15, a plurality of groups of threaded holes 16 are formed in the surface of the supporting seat 6 at intervals, the movable seat 7 is connected with the threaded holes 16 through second bolts 17, and in order to further increase the stability of the shell 21 during operation, the movable seat 7 can be fixed on the supporting seat 6 through the second bolts 17 and the threaded holes 16.

The base 1 both sides all are fixed with a plurality of first connecting blocks 18, and the supporting seat 6 both sides all are fixed with a plurality of second connecting blocks 19, are connected through third bolt 20 between first connecting block 18 and the second connecting block 19, therefore when the supporting seat 6 uses the damage after a long time and needs to be changed, only need use the spanner with a plurality of third bolts 20 from between first connecting block 18 and the second connecting block 19 can.

The working principle of the utility model is as follows: when this centrifugal pump is used as shown in fig. 1, when needing to overhaul and change the impeller, the staff only need dismantle a plurality of second bolts 17 earlier, use the spanner with connecting portion 5 and casing 21, first connection flange 9 and second flange 10 separation, finally rotate the hand crank and drive lead screw 15 rotation can make casing 21 to move towards the direction of keeping away from connecting portion 5, the staff can overhaul and change the inside impeller of casing 21 this moment, need not the staff and use lifting means to remove this casing to the maintenance region maintenance, and after the maintenance is accomplished, the staff only need rotate the hand crank and can drive casing 21 and reset, greatly increased the installation rate of casing 21.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. The utility model provides an impeller easily changeable centrifugal pump, includes base (1) and internally mounted have casing (21) of impeller, its characterized in that, base (1) top interval is fixed with first pad platform (2) and second pad platform (3), motor (4) are installed to first pad platform (2) top, connecting portion (5) are installed to motor (4) output, connecting portion (5) are installed second pad platform (3), be fixed with first connection flange (9) on connecting portion (5);

Install supporting seat (6) on base (1), supporting seat (6) top is provided with removes seat (7), remove seat (7) top and install brace table (8) through first bolt (11) detachable, brace table (8) top is fixed with casing (21), casing (21) one side is fixed with second flange (10).

2. The impeller-exchangeable centrifugal pump according to claim 1, wherein the support table (8) is integrally formed with the housing (21).

3. Centrifugal pump with easily replaceable impeller according to claim 2, characterized in that a sealing gasket is arranged between the first connection flange (9) and the second connection flange (10).

4. A centrifugal pump with an easily replaceable impeller according to claim 3, characterized in that two groups of sliding grooves (12) are arranged above the supporting seat (6) at intervals, two sliding blocks (13) are fixed at intervals at the bottom of the moving seat (7), and the sliding blocks (13) are in sliding connection with the sliding grooves (12);

The support seat (6) surface is offered standing groove (14), inside lead screw (15) that is provided with through the bearing activity of standing groove (14), remove seat (7) bottom with lead screw (15) threaded connection.

5. The centrifugal pump with the easily replaced impeller according to claim 4, wherein a plurality of groups of threaded holes (16) are formed on the surface of the supporting seat (6) at intervals, and the movable seat (7) is connected with the threaded holes (16) through a second bolt (17).

6. The centrifugal pump with the easily replaced impeller according to claim 5, wherein a plurality of first connecting blocks (18) are fixed on two sides of the base (1), a plurality of second connecting blocks (19) are fixed on two sides of the supporting seat (6), and the first connecting blocks (18) are connected with the second connecting blocks (19) through third bolts (20).