CN211778039U - Industrial sewage centrifugal pump - Google Patents
Industrial sewage centrifugal pump Download PDFInfo
- Publication number
- CN211778039U CN211778039U CN201922347146.4U CN201922347146U CN211778039U CN 211778039 U CN211778039 U CN 211778039U CN 201922347146 U CN201922347146 U CN 201922347146U CN 211778039 U CN211778039 U CN 211778039U
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- pump body
- motor shaft
- oil seal
- cover
- pump
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Abstract
The utility model relates to an industrial sewage centrifugal pump. The centrifugal pump comprises a pump body, a motor shaft, a motor cover, a bearing assembly, a bearing sleeve, an oil seal gland, an auxiliary impeller, a rear protective plate, a liquid outlet, a buffer sleeve, a main impeller, a pump body cover, a front protective plate and a liquid inlet; the back backplate set up in the front backplate towards one side of motor shaft and become one with the front backplate, the auxiliary impeller set up in the back backplate towards one side of motor shaft, auxiliary impeller and motor shaft between be equipped with the oil blanket, pump body lid set up in the pump body outside, oil blanket gland and pump body lid pass through the flange fastening, the oil blanket set up at oil blanket gland inboard, the liquid outlet set up on pump body upper portion, the inlet set up and set up with the main impeller relatively in pump body one side. The utility model improves the strength of the internal structure of the pump body; the oil seal improves the sealing performance of the motor shaft; the buffer sleeve prevents the pump body from being damaged, prolongs the service life of the pump body.
Description
Technical Field
The utility model relates to a sewage pump especially relates to an industrial sewage centrifugal pump.
Background
Traditional centrifugal pump only possesses the ability of carrying the clear water because sewage can have more suspended solid, mud and fibrous tissue, just can twine on the impeller of centrifugal pump or the pump shaft after these pollutants enter the centrifugal pump inside along with rivers, and the centrifugal pump will unable normal operating like this.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an industrial sewage centrifugal pump to solve prior art not enough.
The technical scheme of the utility model is that: an industrial sewage centrifugal pump comprises a pump body, a motor shaft, a motor cover, a bearing assembly, a bearing sleeve, an oil seal gland, an auxiliary impeller, a rear protective plate, a liquid outlet, a buffer sleeve, a main impeller, a pump body cover, a front protective plate and a liquid inlet;
the motor cover is fixedly arranged at one side of the pump body, the motor shaft is arranged in the motor cover, the bearing assembly is arranged outside the motor shaft, the motor cover is arranged outside the bearing assembly, the front end of the motor shaft is arranged in the pump body, the front end of the motor shaft is connected with a main impeller, the joint part of the main impeller and the motor shaft is a front guard plate, the rear guard plate is arranged on one side of the front guard plate facing the motor shaft and is integrated with the front guard plate, the auxiliary impeller is arranged on one side of the rear guard plate facing the motor shaft, an oil seal is arranged between the auxiliary impeller and the motor shaft, the pump body cover is arranged at the outer side of the pump body, the oil seal gland is fixed with the pump body cover through a flange, the oil seal is arranged at the inner side of the oil seal gland, the liquid outlet is arranged on the upper part of the pump body, and the liquid inlet is arranged on one side of the pump body and is opposite to the main impeller.
Preferably, the motor cover is provided with a plurality of lifting lugs.
Preferably, a circle of buffer sleeve is arranged in the pump body, the buffer sleeve is arranged on the periphery of the main impeller, and the buffer sleeve is fixedly connected with the rear protection plate.
Preferably, the buffer sleeve is a corrosion-resistant elastic buffer sleeve.
Preferably, the oil seal is an axial O-shaped sealing ring.
The utility model has the advantages that: a plurality of lifting lugs are arranged on the motor cover, so that the motor cover is convenient to carry; the rear guard plate is arranged on one side of the front guard plate facing the motor shaft and is integrated with the front guard plate, so that the strength of the internal structure of the pump body is improved; an oil seal is arranged between the auxiliary impeller and the motor shaft, and the oil seal is arranged on the inner side of an oil seal gland, so that the sealing property of the motor shaft is improved, and sludge, fibrous substances and the like in a pump body are prevented from entering the motor shaft to cause the abrasion of the motor shaft; the buffer sleeve is corrosion-resistant elastic buffer sleeve, can reduce the impact of the mud or the stereoplasm filth piece in the pump body to the pump body inner chamber under high-speed rotation, prevents that the pump body from damaging, prolongs the life of the pump body.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1 is a pump body, 2 is a motor shaft, 3 is a bearing assembly, 4 is a bearing sleeve, 5 is an oil seal, 6 is an oil seal gland, 7 is an auxiliary impeller, 8 is a rear protective plate, 9 is a liquid outlet, 10 is a buffer sleeve, 11 is a main impeller, 12 is a pump body cover, 13 is a front protective plate, and 14 is a liquid inlet.
Detailed Description
An industrial sewage centrifugal pump comprises a pump body 1, a motor shaft 2, a motor cover, a bearing assembly 3, a bearing sleeve 4, an oil seal 5, an oil seal gland 6, an auxiliary impeller 7, a rear protective plate 8, a liquid outlet 9, a buffer sleeve 10, a main impeller 11, a pump body cover 12, a front protective plate 13 and a liquid inlet 14;
the motor cover is fixedly arranged on one side of the pump body 1, the motor shaft 2 is arranged in the motor cover, the bearing assembly 3 is arranged outside the motor shaft 2, the motor cover is arranged outside the bearing assembly 3, the front end of the motor shaft 2 is arranged in the pump body 1, the front end of the motor shaft 2 is connected with the main impeller 11, the joint part of the main impeller 11 and the motor shaft 2 is a front guard plate 13, and the rear guard plate 8 is arranged on one side of the front guard plate 13 facing the motor shaft 2 and is integrated with the front guard plate 13, so that the strength of the internal structure of the pump body 1 is improved; the auxiliary impeller 7 is arranged on one side, facing the motor shaft 2, of the rear protection plate 8, an oil seal 5 is arranged between the auxiliary impeller 7 and the motor shaft 2, the pump body cover 12 is arranged on the outer side of the pump body 1, the oil seal gland 6 and the pump body cover 12 are fixed through flanges, the oil seal 5 is arranged on the inner side of the oil seal gland 6, the sealing performance of the motor shaft 2 is improved, and sludge, fiber substances and the like in the pump body 1 are prevented from entering the motor shaft 2 to cause abrasion of the motor shaft 2; the liquid outlet 9 is arranged at the upper part of the pump body 1, and the liquid inlet 14 is arranged at one side of the pump body 1 and is opposite to the main impeller 11.
The motor cover on be equipped with a plurality of lugs and conveniently carry.
The pump body 1 in be equipped with round cushion collar 10, cushion collar 10 set up in main impeller 11 periphery, cushion collar 10 and backplate 8 fixed connection.
The buffer sleeve 10 is a corrosion-resistant elastic buffer sleeve, so that the impact force of sludge or hard dirt blocks in the pump body 1 to the inner cavity of the pump body 1 under high-speed rotation can be reduced, the pump body 1 is prevented from being damaged, and the service life of the pump body 1 is prolonged.
The oil seal 5 is an axial O-shaped sealing ring.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An industrial sewage centrifugal pump which is characterized in that: the centrifugal pump comprises a pump body, a motor shaft, a motor cover, a bearing assembly, a bearing sleeve, an oil seal gland, an auxiliary impeller, a rear protective plate, a liquid outlet, a buffer sleeve, a main impeller, a pump body cover, a front protective plate and a liquid inlet;
the motor cover is fixedly arranged at one side of the pump body, the motor shaft is arranged in the motor cover, the bearing assembly is arranged outside the motor shaft, the motor cover is arranged outside the bearing assembly, the front end of the motor shaft is arranged in the pump body, the front end of the motor shaft is connected with a main impeller, the joint part of the main impeller and the motor shaft is a front guard plate, the rear guard plate is arranged on one side of the front guard plate facing the motor shaft and is integrated with the front guard plate, the auxiliary impeller is arranged on one side of the rear guard plate facing the motor shaft, an oil seal is arranged between the auxiliary impeller and the motor shaft, the pump body cover is arranged at the outer side of the pump body, the oil seal gland is fixed with the pump body cover through a flange, the oil seal is arranged at the inner side of the oil seal gland, the liquid outlet is arranged on the upper part of the pump body, and the liquid inlet is arranged on one side of the pump body and is opposite to the main impeller.
2. The centrifugal pump for industrial sewage of claim 1, wherein: the motor cover is provided with a plurality of lifting lugs.
3. The centrifugal pump for industrial sewage of claim 1, wherein: the pump body in be equipped with a round cushion collar, the cushion collar set up in the main impeller periphery, cushion collar and backplate fixed connection.
4. The centrifugal pump for industrial sewage of claim 1, wherein: the buffer sleeve is a corrosion-resistant elastic buffer sleeve.
5. The centrifugal pump for industrial sewage of claim 1, wherein: the oil seal is an axial O-shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922347146.4U CN211778039U (en) | 2019-12-24 | 2019-12-24 | Industrial sewage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922347146.4U CN211778039U (en) | 2019-12-24 | 2019-12-24 | Industrial sewage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778039U true CN211778039U (en) | 2020-10-27 |
Family
ID=72976299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922347146.4U Active CN211778039U (en) | 2019-12-24 | 2019-12-24 | Industrial sewage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778039U (en) |
-
2019
- 2019-12-24 CN CN201922347146.4U patent/CN211778039U/en active Active
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