CN215486618U

CN215486618U - Open impeller submerged pump suitable for large granule transportation

Info

Publication number: CN215486618U
Application number: CN202022813119.4U
Authority: CN
Inventors: 殷德林
Original assignee: Jiangsu Shengrong Mechanical Equipment Manufacturing Co ltd
Current assignee: Jiangsu Shengrong Mechanical Equipment Manufacturing Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2022-01-11
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses an open impeller submerged pump suitable for large-particle transportation, which comprises a pump body, wherein an impeller nut is fixedly arranged in the pump body, an impeller is fixedly connected to the outer side of the impeller nut, a lower shaft sleeve is fixedly arranged in the pump body, a lower shaft bushing is fixedly arranged on the outer side of the lower shaft sleeve, a shaft is movably connected to the inner part of the lower shaft sleeve, a bearing body is arranged on the outer side of the top of the shaft, a bearing is fixedly connected to the inner part of the bearing body, the top of the shaft is movably connected to the inner part of the bearing, a bearing frame is arranged on the outer side of the bearing body, the bearing body is fixedly connected to the inner part of the bearing frame through a screw, a bearing gland is fixedly connected to the top of the bearing body, and a bottom plate is fixedly connected to one side of the bottom of the bearing frame. This kind of open impeller submerged pump suitable for large granule transportation is applicable to and carries the large granule or other operating mode abominable occasions, can optimize water conservancy under the condition that does not cause the jam, improves the efficiency of pump, avoids the impeller when high-speed operation simultaneously, and the wearing and tearing pump body leads to the leakproofness of the pump body to be destroyed.

Description

Open impeller submerged pump suitable for large granule transportation

Technical Field

The utility model relates to the technical field of open impeller submerged pumps, in particular to an open impeller submerged pump suitable for large particle transportation.

Background

The submerged pump is a positive pressure conveying vertical pump, and can effectively solve the problems of air resistance and cavitation. The explosion-proof grade of the conveyed materials determines that submerged pump products have different structures, working principles, classifications, application ranges, product advantages and disadvantages and operation modes, and can be simply divided into two categories of traditional submerged pumps and novel submerged pumps.

The submerged pump is a vertical pump which immerses flow passage components such as an impeller, a pump body and the like in the conveyed materials and is connected with a motor; the submerged pump is manufactured according to different requirements of the length of the submerged pump extending into the container, parts of the submerged pump, which are contacted with materials, are generally selected according to the requirements of the materials, and are made of metal and non-metal materials, the application field of the submerged pump is quite wide, the diversity of the types of the submerged pump is determined by various classification standards, and the submerged pump can be simply divided into two categories, namely a traditional submerged pump and a novel submerged pump according to different explosion-proof grades; the traditional submerged pump is suitable for conveying various corrosive materials such as strong acid, alkali, salt, strong oxidant and the like with any concentration, and is not suitable for conveying flammable and explosive materials; the novel submerged pump is suitable for conveying flammable and explosive materials, is not suitable for conveying materials with extremely strong particle corrosivity, and is widely applied to flammable and explosive material conveying places such as petroleum refining, oil depots, chemical plants, pharmaceutical factories, factory production lines, generator sets and the like.

At present, the liquid that current submerged pump can't effectual transport have the great solid particle of volume causes the jam easily, and then has promoted the cost of maintenance of submerged pump, therefore we improve this, provide an open impeller submerged pump suitable for large granule transportation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to an open impeller submerged pump suitable for large particle transportation, which comprises a pump body, wherein an impeller nut is fixedly arranged in the pump body, an impeller is fixedly connected to the outer side of the impeller nut, a lower shaft sleeve is fixedly arranged in the pump body, a lower shaft bushing is fixedly arranged on the outer side of the lower shaft sleeve, a shaft is movably connected in the lower shaft sleeve, a bearing body is arranged on the outer side of the top of the shaft, a bearing is fixedly connected in the bearing body, the top of the shaft is movably connected in the bearing, a bearing frame is arranged on the outer side of the bearing body, the bearing body is fixedly connected in the bearing frame through screws, a bearing gland is fixedly connected at the top of the bearing body, a bottom plate is fixedly connected to one side of the bottom of the bearing frame, a motor support is fixedly connected to the top of the bearing frame, and front wear-resisting plates are fixedly connected to two sides in the pump body, the fixed a plurality of o type circles that are provided with in junction of preceding antifriction plate and the pump body, pump body top fixedly connected with pump cover, the fixed skeleton oil blanket that is provided with between the bottom outside of lower axle sleeve and the pump cover.

As a preferred technical scheme of the utility model, one side of the pump body is fixedly connected with a liquid outlet pipe, and one side of the pump cover is fixedly connected with an outer washing pipe.

As a preferable technical scheme of the utility model, the outer washing pipe is communicated to the inside of the pump body, and the sliding bearing body is communicated with the outer washing pipe.

As a preferred technical scheme of the utility model, two sides of the top of the pump cover are fixedly connected with supporting tubes, and the other ends of the supporting tubes are fixedly connected to one side of the bottom plate.

As a preferable technical scheme of the present invention, one side of the bottom of the shaft is fixedly connected with a shaft sleeve, six middle shaft sleeves are fixedly arranged on the outer side of the shaft, sliding bearing bodies are arranged on the outer sides of the six middle shaft sleeves, a middle bushing is arranged inside each sliding bearing body, and one side of each middle bushing is fixedly connected to one side of each middle shaft sleeve.

As a preferred technical scheme of the present invention, a dust-proof disc is fixedly arranged between the shaft and the bearing bracket, a v-shaped ring is arranged on the top of the dust-proof disc, and the v-shaped ring is sleeved on the outer side of the top of the shaft.

The utility model has the beneficial effects that: this kind of open impeller submerged pump suitable for large granule transportation, at the fixed impeller nut that is provided with in pump body inside, and impeller nut outside fixedly connected with impeller, because open impeller structure is applicable to and carries large granule or other operating mode abominable occasions, can be under the condition that does not cause the jam, optimize water conservancy, and then improved the efficiency of pump, still set up preceding antifriction plate simultaneously between the impeller and the pump body, avoid the impeller when high-speed operation, the wearing and tearing pump body, the leakproofness that leads to the pump body is destroyed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a cross-sectional view of an open impeller submersible pump suitable for large particle transport according to the present invention;

FIG. 2 is an enlarged view of the structure at the point A of the open impeller submerged pump suitable for transporting large particles in accordance with the present invention;

FIG. 3 is an enlarged view of the structure at B of the open impeller submerged pump suitable for transporting large particles in accordance with the present invention.

In the figure: 1. a pump body; 2. an o-shaped ring; 3. an impeller nut; 4. an impeller; 5. a pump cover; 6. Framework oil seal; 7. a lower shaft sleeve; 8. a lower bushing; 9. a shaft; 10. supporting a tube; 11. a shaft connecting sleeve; 12. a middle bushing; 13. a sliding bearing body; 14. a middle shaft sleeve; 15. a dust-proof disc; 16. A v-shaped ring; 17. a base plate; 18. a bearing bracket; 19. a bearing; 20. a bearing body; 21. a bearing gland; 22. a motor bracket; 23. a liquid outlet pipe; 24. an outer wash tube; 25. a front wear plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-3, the open impeller submerged pump suitable for large particle transportation of the present invention comprises a pump body 1, an impeller nut 3 is fixedly arranged inside the pump body 1, an impeller 4 is fixedly connected to the outside of the impeller nut 3, a lower shaft sleeve 7 is fixedly arranged inside the pump body 1, a lower shaft bushing 8 is fixedly arranged on the outside of the lower shaft sleeve 7, a shaft 9 is movably connected inside the lower shaft sleeve 7, a bearing body 20 is arranged on the outside of the top of the shaft 9, a bearing 19 is fixedly connected inside the bearing body 20, the top of the shaft 9 is movably connected inside the bearing 19, a bearing frame 18 is arranged on the outside of the bearing body 20, the bearing body 20 is fixedly connected inside the bearing frame 18 through a screw, a bearing gland 21 is fixedly connected on the top of the bearing body 20, a bottom plate 17 is fixedly connected on one side of the bottom of the bearing frame 18, a motor support 22 is fixedly connected on the top of the bearing frame 18, and a front wear-resisting plate 25 is fixedly connected on both sides inside the pump body 1, the joint of the front wear-resisting plate 25 and the pump body 1 is fixedly provided with a plurality of o-shaped rings 2, the top of the pump body 1 is fixedly connected with a pump cover 5, and a framework oil seal 6 is fixedly arranged between the outer side of the bottom of the lower shaft sleeve 7 and the pump cover 5.

Wherein, one side of the pump body 1 is fixedly connected with a liquid outlet pipe 23, and one side of the pump cover 5 is fixedly connected with an outer washing pipe 24.

Wherein, the outer washing pipe 24 is communicated with the interior of the pump body 1, and the sliding bearing body 13 is communicated with the outer washing pipe 24.

Wherein, pump cover 5 top both sides fixedly connected with stay tube 10, the other end fixed connection of stay tube 10 is in one side of bottom plate 17.

Wherein, one side of the bottom of the shaft 9 is fixedly connected with a shaft sleeve 11, the outer side of the shaft 9 is fixedly provided with six middle shaft sleeves 14, the outer sides of the six middle shaft sleeves 14 are provided with sliding bearing bodies 13, the inner part of each sliding bearing body 13 is provided with a middle shaft lining 12, and one side of each middle shaft lining 12 is fixedly connected with one side of each middle shaft sleeve 14.

Wherein, a dustproof disc 15 is fixedly arranged between the shaft 9 and the bearing frame 18, a v-shaped ring 16 is arranged at the top of the dustproof disc 15, and the v-shaped ring 16 is sleeved at the outer side of the top of the shaft 9.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The open impeller submerged pump is characterized by comprising a pump body (1), wherein an impeller nut (3) is fixedly arranged inside the pump body (1), an impeller (4) is fixedly connected to the outer side of the impeller nut (3), a lower shaft sleeve (7) is fixedly arranged inside the pump body (1), a lower bushing (8) is fixedly arranged on the outer side of the lower shaft sleeve (7), a shaft (9) is movably connected to the inside of the lower shaft sleeve (7), a bearing body (20) is arranged on the outer side of the top of the shaft (9), a bearing (19) is fixedly connected to the inside of the bearing body (20), the top of the shaft (9) is movably connected to the inside of the bearing (19), a bearing frame (18) is arranged on the outer side of the bearing body (20), and the bearing body (20) is fixedly connected to the inside of the bearing frame (18) through a screw, the top fixedly connected with bearing gland (21) of bearing block (20), bottom one side fixedly connected with bottom plate (17) of bearing frame (18), top fixedly connected with motor support (22) of bearing frame (18), antifriction plate (25) before the inside both sides fixedly connected with of the pump body (1), the fixed a plurality of o type circle (2) that are provided with in junction of preceding antifriction plate (25) and the pump body (1), pump body (1) top fixedly connected with pump cover (5), fixed skeleton oil blanket (6) that are provided with between the bottom outside of lower axle sleeve (7) and pump cover (5).

2. The open impeller submerged pump suitable for large particle transportation of claim 1, wherein a liquid outlet pipe (23) is fixedly connected to one side of the pump body (1), and an outer flushing pipe (24) is fixedly connected to one side of the pump cover (5).

3. An open impeller submersible pump suitable for large particle transport according to claim 2, characterized in that the outer flushing pipe (24) communicates to the inside of the pump body (1).

4. The open impeller submerged pump suitable for large particle transportation according to claim 1, wherein a support pipe (10) is fixedly connected to two sides of the top of the pump cover (5), and the other end of the support pipe (10) is fixedly connected to one side of the bottom plate (17).

5. The open impeller submerged pump suitable for large particle transportation of claim 1, wherein a shaft sleeve (11) is fixedly connected to one side of the bottom of the shaft (9), six middle shaft sleeves (14) are fixedly arranged on the outer side of the shaft (9), a sliding bearing body (13) is arranged on the outer side of each middle shaft sleeve (14), a middle bushing (12) is arranged inside each sliding bearing body (13), one side of each middle bushing (12) is fixedly connected to one side of each middle shaft sleeve (14), and each sliding bearing body (13) is communicated with an outer flushing pipe (24).

6. The open impeller submerged pump suitable for large particle transportation of claim 1, wherein a dustproof disc (15) is fixedly arranged between the shaft (9) and the bearing bracket (18), a v-shaped ring (16) is arranged at the top of the dustproof disc (15), and the v-shaped ring (16) is sleeved outside the top of the shaft (9).