CN115853782A

CN115853782A - High-stability centrifugal pump capable of preventing air binding

Info

Publication number: CN115853782A
Application number: CN202211528452.8A
Authority: CN
Inventors: 吴杰; 王清龙; 孟金华; 唐宗清; 汪云
Original assignee: Anhui Yinlong Pump Valve Co ltd
Current assignee: Anhui Yinlong Pump Valve Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-28

Abstract

The invention provides a high-stability centrifugal pump capable of preventing air binding, which comprises a bottom plate, wherein an inlet pipe, a pump body, a rotating shaft stabilizing assembly and a motor are sequentially arranged on the top surface of the bottom plate from left to right, the inlet pipe is a corrugated pipe arranged transversely, the right end of the inlet pipe is connected with an inlet on the left side of the pump body, a centrifugal impeller is arranged in the pump body, an outlet is arranged above the inlet pipe, an access hole is formed in the right side of the inlet pipe, the rotating shaft arranged transversely is arranged in the centrifugal impeller in a matched mode, a sealing plate matched with the access hole is arranged at the access hole in a matched mode, the left end of the rotating shaft is fixedly connected with the centrifugal impeller, and the right end of the rotating shaft penetrates through the sealing plate to be sequentially connected with the rotating shaft stabilizing assembly and the motor in a matched mode. The rotating shaft can be effectively stabilized through the rotating shaft stabilizing assembly, so that the power transmission stability of the motor and the stability of the rotating shaft in the rotating process are ensured, and the air-bound phenomenon is effectively prevented; the pump body design capable of moving left and right is adopted, so that the centrifugal pump can be maintained and adjusted in time conveniently, and the working stability and safety of the centrifugal pump are ensured.

Description

High-stability centrifugal pump capable of preventing air binding

Technical Field

The invention relates to the technical field of centrifugal pumps, in particular to a high-stability centrifugal pump capable of preventing air binding.

Background

The centrifugal pump is a vane pump which conveys liquid by the centrifugal force generated when an impeller rotates, and mechanical energy is transmitted to the liquid by the vanes due to the interaction of the vanes and the liquid in the rotating process of the rotating impeller, so that the pressure of the liquid can be increased, and the aim of conveying the liquid is fulfilled. Centrifugal pumps are of various types, such as vertical type, horizontal type, single-stage type, multi-stage type, single-suction type, double-suction type, self-suction type and the like. The method is widely applied to industrial and urban water supply and drainage, energy, metallurgy, chemical industry, textile, paper making, petroleum, electric power, paper making, food and drug manufacturing, synthetic fiber and other departments. At present, the existing centrifugal pump is easy to generate air binding phenomenon in work, not only affects the working efficiency, but also generates certain potential safety hazard.

Disclosure of Invention

In order to solve the problems, the invention discloses a high-stability centrifugal pump capable of preventing air binding.

The specific scheme is as follows:

the utility model provides a high stability centrifugal pump that preventable air tied up which characterized in that: including the bottom plate, turn right from a left side and be equipped with import pipe, the pump body, the firm subassembly of pivot and motor in proper order on the top surface of bottom plate, the bellows that the import pipe is horizontal setting, its right-hand member and the left access connection of the pump body, install centrifugal impeller in the pump body, the top is for exporting, and the right side is equipped with the access hole, the pivot of horizontal setting is installed in the cooperation among the centrifugal impeller, access hole department cooperation is installed rather than the closing plate of looks adaptation, the left end and the centrifugal impeller fixed connection of pivot, the right-hand member pass behind the closing plate in proper order with the firm subassembly of pivot and motor cooperation be connected.

As a further improvement of the invention, a supporting plate is fixed on the right side of the top surface of the bottom plate, a first base and a second base which are arranged on the left and right sides are arranged on the supporting plate, and the rotating shaft stabilizing component and the motor are respectively arranged on the first base and the second base.

As a further improvement of the invention, through holes which are transversely arranged are arranged at the positions, corresponding to the rotating shaft, of the upper part of the rotating shaft stabilizing assembly, a plurality of bearings are uniformly distributed in the through holes from left to right, inner rings of the bearings are fixedly connected with the outer side of the rotating shaft, outer rings of the bearings are fixedly connected with the inner wall of the through holes, and oil sealing flanges are respectively arranged at two ends of the through holes in a matched mode.

As a further improvement of the invention, the bottom of the motor is provided with a shock pad in a matching way, and the shock pad is fixed on the second base through a screw.

As a further improvement of the invention, a supporting shell is fixed on the supporting plate, the supporting shell is covered outside the rotating shaft stabilizing assembly and the motor, and the left end of the supporting shell is opened and is fixedly connected with the sealing plate.

As a further improvement of the invention, the bottom of the pump body is provided with a sliding seat for supporting, the sliding seat can be arranged on a bottom plate in a left-right sliding mode, the cross section of the sliding seat is in an inverted T shape, the left section of the top surface of the bottom plate is provided with a sliding groove matched with the sliding seat, and the cross section of the sliding groove is in the inverted T shape.

As a further improvement of the invention, the access hole is a circular hole for the centrifugal impeller to pass through, the sealing plate is matched with the access hole, the edge of the sealing plate is provided with a step, the sealing plate is fixedly connected with the right side surface of the pump body through sealing screws, and the sealing screws are uniformly distributed along the circumferential direction.

As a further improvement of the invention, an annular sealing ring is arranged between the sealing plate and the access hole.

As a further improvement of the invention, the annular sealing ring is a flexible rubber sealing ring.

The invention has the beneficial effects that: the rotating shaft can be effectively stabilized through the rotating shaft stabilizing assembly, so that the stability of power transmission of the motor and the stability of the rotating shaft in the rotating process are ensured, and the air-bound phenomenon is effectively prevented; the pump body design capable of moving left and right is adopted, so that the centrifugal pump can be maintained and adjusted in time conveniently, and the working stability and safety of the centrifugal pump are ensured.

Drawings

FIG. 1 is a schematic view of the present invention.

FIG. 2 is a partially enlarged view of the shaft securing member of the present invention.

List of reference numbers:

1-bottom plate, 2-inlet pipe, 3-pump body, 4-rotating shaft stabilizing component, 5-motor, 6-centrifugal impeller, 7-rotating shaft, 8-sealing plate, 9-supporting plate, 10-first base, 11-second base, 12-bearing, 13-oil sealing flange, 14-shock pad, 15-supporting shell, 16-sliding seat and 17-sliding groove.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.

As shown in the figure, a high stability centrifugal pump that preventable gas was tied up is provided, comprising a base plate 1, turn right from a left side and be equipped with import pipe 2 in proper order on the top surface of bottom plate 1, the pump body 3, the firm subassembly 4 of pivot and motor 5, import pipe 2 is the bellows of horizontal setting, its right-hand member and the left access connection of the pump body 3, install centrifugal impeller 6 in the pump body 3, the top is the export, the right side is equipped with the access hole, the pivot 7 of horizontal setting is installed in the cooperation among the centrifugal impeller 6, access hole department cooperation is installed the closing plate 8 rather than the looks adaptation, the left end and the centrifugal impeller 6 fixed connection of pivot 7, the right-hand member passes behind the closing plate 8 and is connected with the firm subassembly 4 of pivot and the cooperation of motor 5 in proper order.

In this embodiment, a supporting plate 9 is fixed on the right side of the top surface of the bottom plate 1, a first base 10 and a second base 11 are arranged on the supporting plate 9, the first base 10 and the second base 11 are arranged on the left and right, and the rotating shaft stabilizing component 4 and the motor 5 are respectively arranged on the first base 10 and the second base 11.

In this embodiment, the upper portion of the rotating shaft stabilizing component 4 and the corresponding position of the rotating shaft 7 are provided with a transverse through hole, a plurality of bearings 12 are uniformly distributed in the through hole from left to right, the inner ring of each bearing 12 is fixedly connected with the outer side of the rotating shaft 7, the outer ring is fixedly connected with the inner wall of the through hole, and oil sealing flanges 13 are respectively installed at the two ends of the through hole in a matched manner.

In this embodiment, a shock absorbing pad 14 is fittingly installed at the bottom of the motor 5, and the shock absorbing pad 14 is fixed on the second base 11 by screws.

In this embodiment, a supporting shell 15 is fixed on the supporting plate 9, the supporting shell 15 covers the rotating shaft stabilizing assembly 4 and the motor 5, and the left end of the supporting shell is open and fixedly connected with the sealing plate 8.

In this embodiment, the bottom of the pump body 3 is provided with a sliding seat 16 for supporting, the sliding seat 16 is arranged on the bottom plate 1 in a left-right sliding manner, the cross section of the sliding seat 16 is of an inverted T shape, the left section of the top surface of the bottom plate 1 is provided with a sliding groove 17 matched with the sliding seat 16, and the cross section of the sliding groove 17 is of an inverted T shape.

In this embodiment, the access hole is the circular mouth that supplies centrifugal impeller 6 to pass through, and closing plate 8 and access hole looks adaptation, edge are equipped with the step, and closing plate 8 is through sealing screw and the right flank fixed connection of the pump body 3, and sealing screw evenly arranges along the circumferencial direction, is equipped with ring packing between closing plate 8 and the access hole, and ring packing is flexible rubber seal.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. The utility model provides a high stability centrifugal pump that preventable air tied up which characterized in that: including bottom plate (1), turn right from a left side and be equipped with in proper order import pipe (2), the pump body (3), the firm subassembly of pivot (4) and motor (5) on the top surface of bottom plate (1), import pipe (2) are the bellows that transversely set up, its right-hand member and the left access connection of the pump body (3), install centrifugal impeller (6) in the pump body (3), the top is exported, and the right side is equipped with the access hole, pivot (7) that transversely set up are installed in the cooperation in centrifugal impeller (6), access hole department cooperation is installed and is connected rather than closing plate (8) of looks adaptation, the left end and the centrifugal impeller (6) fixed connection of pivot (7), the right-hand member pass behind closing plate (8) in proper order with the firm subassembly of pivot (4) and motor (5) cooperation are connected.

2. The centrifugal pump of claim 1, wherein the centrifugal pump is characterized in that: the top surface right side of bottom plate (1) is fixed with backup pad (9), be equipped with first base (10) and second base (11) that the left and right sides set up on backup pad (9), pivot subassembly (4) and motor (5) are stabilized and are established respectively on first base (10) and second base (11).

3. The centrifugal pump of claim 2, wherein the centrifugal pump is characterized in that: the upper portion of the firm subassembly of pivot (4) is equipped with the through-hole of horizontal setting with the corresponding position department of pivot (7), turn right the equipartition from a left side in the through-hole and have a plurality of bearings (12), the inner circle of bearing (12) and the outside fixed connection of pivot (7), the inner wall fixed connection of outer lane and through-hole, fluid sealing flange (13) are installed in the cooperation respectively at the both ends of through-hole.

4. The high-stability centrifugal pump capable of preventing air-binding according to claim 2, wherein: the bottom of motor (5) cooperation is installed shock pad (14), shock pad (14) pass through the fix with screw on second base (11).

5. The centrifugal pump of claim 2, wherein the centrifugal pump is characterized in that: a supporting shell (15) is fixed on the supporting plate (9), the supporting shell (15) covers the rotating shaft stabilizing component (4) and the motor (5), and the left end of the supporting shell is opened and is fixedly connected with the sealing plate (8).

6. The centrifugal pump of claim 1, wherein the centrifugal pump is characterized in that: the bottom of the pump body (3) is equipped with slide (16) that are used for supporting, but slide (16) horizontal slip arrange in on bottom plate (1), its cross-section is the type of falling T, offer spout (17) with slide (16) looks adaptation on the top surface left side section of bottom plate (1), the cross-section of spout (17) is the type of falling T.

7. The centrifugal pump of claim 1, wherein the centrifugal pump is characterized in that: the maintenance opening is a circular opening for the centrifugal impeller (6) to pass through, the sealing plate (8) is matched with the maintenance opening, the edge of the sealing plate is provided with a step, the sealing plate (8) is fixedly connected with the right side face of the pump body (3) through a sealing screw, and the sealing screw is uniformly distributed along the circumferential direction.

8. The centrifugal pump of claim 7, wherein the centrifugal pump is characterized in that: and an annular sealing ring is arranged between the sealing plate (8) and the access hole.

9. The centrifugal pump of claim 8, wherein the centrifugal pump is characterized in that: the annular sealing ring is a flexible rubber sealing ring.