CN210769341U - Vertical submerged slurry pump - Google Patents
Vertical submerged slurry pump Download PDFInfo
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- CN210769341U CN210769341U CN201921678086.8U CN201921678086U CN210769341U CN 210769341 U CN210769341 U CN 210769341U CN 201921678086 U CN201921678086 U CN 201921678086U CN 210769341 U CN210769341 U CN 210769341U
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Abstract
The utility model discloses a vertical submerged sediment stuff pump, pump body upper end take over in the middle of having through the screw connection, middle takeover upper end be connected with middle nipple through the flange seat, middle nipple upper end have a bearing frame through flange joint, bearing frame bottom and be located the pump shaft excircle and be provided with lower bearing gland, lower bearing gland and pump shaft between from last to down and be located the pump shaft excircle and set gradually oil blanket and first bearing, the inboard upper end of bearing frame have the bearing box through the fix with screw. The bearing seat of the utility model adopts a structure that half is arranged at the upper end of the base and half is arranged at the lower end of the base, the distance between the first bearing and the second bearing is increased, the cantilever ratio between the bearing distance and the first bearing and the impeller is increased, and the design structure can be suitable for deeper submerged depth; an auxiliary impeller is added at the lower end of the middle short connecting pipe, and dynamic sealing is carried out by the auxiliary impeller, so that slurry is prevented from entering a bearing at the lower end to cause bearing damage.
Description
Technical Field
The utility model relates to a pumping installations technical field, concretely relates to vertical submerged slurry pump.
Background
The vertical slurry pump is mainly suitable for conveying corrosive, coarse-grained and high-concentration slurry, and is widely applied to the departments of metallurgy, mines, coal, electric power, building materials, environmental protection and the like.
Because under some operating conditions, the vertical slurry pump must be extended into a larger depth below the liquid level, but the lift of the common vertical slurry pump cannot meet the requirement, and meanwhile, slurry easily enters the lower end bearing to cause the damage of the bearing, thereby reducing the service life of the slurry pump.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention is directed to a vertical submerged slurry pump.
In order to realize the technical purpose, the utility model discloses a scheme is:
as preferred, a vertical submerged sediment stuff pump, including the pump body and pump shaft, pump body bottom be provided with the filter screen, pump shaft bottom excircle be provided with the pump cover, pump shaft bottom be fixed with impeller, its characterized in that through impeller nut: the upper end of the pump body is connected with a middle connecting pipe through a screw, the upper end of the middle connecting pipe is connected with a middle short connecting pipe through a flange seat, the upper end of the middle short connecting pipe is connected with a bearing seat through a flange, a lower bearing gland is arranged at the bottom end of the bearing seat and positioned at the excircle of the pump shaft, an oil sealing sleeve and a first bearing are sequentially arranged between the lower bearing gland and the pump shaft from top to bottom and positioned on the excircle of the pump shaft, the upper end of the inner side of the bearing seat is fixed with a bearing box through a screw, the upper end of the bearing box is fixed with an upper bearing gland through a screw, a first oil seal and a second bearing are sequentially arranged between the bearing box and the upper bearing gland and positioned on the excircle of the pump shaft from top to bottom, the bearing frame outside upper end have a motor cabinet through the screw connection, motor cabinet upper end be provided with the motor, the motor be provided with the motor shaft and through shaft coupling connection pump shaft.
Preferably, a base is fixed on the outer surface of the bearing seat, and a liquid outlet pipe is connected to the right end of the pump body and penetrates through the base.
Preferably, the inner wall of the upper end of the middle connecting pipe is provided with an auxiliary impeller positioned on the outer circle of the pump shaft.
Preferably, a second oil seal is arranged between the lower bearing gland and the pump shaft.
The utility model has the advantages that the bearing seat adopts a structure that the bearing seat is half on the upper end of the base and the bearing seat is half on the lower end of the base, the distance between the first bearing and the second bearing is increased, the cantilever ratio between the bearing distance and the first bearing and the impeller is increased, and the design structure can be suitable for deeper submerged depth; an auxiliary impeller is added at the lower end of the middle short connecting pipe, and dynamic sealing is carried out by the auxiliary impeller, so that slurry is prevented from entering a bearing at the lower end to cause bearing damage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in FIG. 1, the embodiment of the present invention is
The utility model provides a vertical submerged slurry pump, includes the pump body 1 and pump shaft 5, 1 bottom of the pump body be provided with filter screen 24, 5 bottom excircles of pump shaft be provided with pump cover 4, 5 bottoms of pump shaft be fixed with impeller 3, its characterized in that through impeller nut 2: the pump body 1 upper end connect through 23 in the middle of having a screw connection, 23 upper ends of middle takeover be connected with middle nipple 7 through the flange bracket, 7 upper ends of middle nipple have bearing frame 17 through flange connection, bearing frame 17 bottom and be located the 5 excircle of pump shaft and be provided with down bearing gland 22, down bearing gland 22 and pump shaft 5 between from last to down and be located the 5 excircle of pump shaft and have set gradually sealed oil jacket 20 and first bearing 21, the inboard upper end of bearing frame 17 have bearing box 16 through the fix with screw, bearing box 16 upper end have last bearing gland 14 through the fix with screw, bearing box 16 and last bearing cap 14 between and be located the 5 excircle of pump shaft and from last to having set gradually first oil blanket 9 and second bearing 15 down, bearing box 17 outside upper end have motor cabinet 13 through the screw connection, motor cabinet 13 upper end be provided with motor 12, the motor 12 is provided with a motor shaft 11 and is connected with the pump shaft 5 through a coupling 10; a base 18 is fixed on the outer surface of the bearing seat 17, and a liquid outlet pipe 19 is connected to the right end of the pump body 1 and penetrates through the base 18; an auxiliary impeller 6 is arranged on the inner wall of the upper end of the middle connecting pipe 23 and positioned on the outer circle of the pump shaft 5; and a second oil seal 8 is arranged between the lower bearing gland 22 and the pump shaft 5.
In the specific implementation:
the bearing seat 17 adopts a structure that half of the bearing seat is arranged at the upper end of the base 18 and half of the bearing seat is arranged at the lower end of the base 18, so that the distance between the first bearing and the second bearing is increased, the suspension arm ratio between the bearing distance and the first bearing 21 and the impeller 3 is increased, and the design structure can be suitable for deeper submerged depth; the auxiliary impeller 6 is added at the lower end of the middle short connecting pipe 7, and the auxiliary impeller 6 is used for dynamic sealing to prevent slurry from entering a bearing at the lower end to cause bearing damage.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (4)
1. The utility model provides a vertical submerged slurry pump, includes the pump body and pump shaft, pump body bottom be provided with the filter screen, pump shaft bottom excircle be provided with the pump cover, pump shaft bottom be fixed with impeller, its characterized in that through impeller nut: the upper end of the pump body is connected with a middle connecting pipe through a screw, the upper end of the middle connecting pipe is connected with a middle short connecting pipe through a flange seat, the upper end of the middle short connecting pipe is connected with a bearing seat through a flange, a lower bearing gland is arranged at the bottom end of the bearing seat and positioned at the excircle of the pump shaft, an oil sealing sleeve and a first bearing are sequentially arranged between the lower bearing gland and the pump shaft from top to bottom and positioned on the excircle of the pump shaft, the upper end of the inner side of the bearing seat is fixed with a bearing box through a screw, the upper end of the bearing box is fixed with an upper bearing gland through a screw, a first oil seal and a second bearing are sequentially arranged between the bearing box and the upper bearing gland and positioned on the excircle of the pump shaft from top to bottom, the bearing frame outside upper end have a motor cabinet through the screw connection, motor cabinet upper end be provided with the motor, the motor be provided with the motor shaft and through shaft coupling connection pump shaft.
2. The vertical submerged slurry pump according to claim 1, characterized in that: the bearing frame surface fixed with the base, the pump body right-hand member be connected with the drain pipe and pass the base.
3. The vertical submerged slurry pump according to claim 1, characterized in that: and an auxiliary impeller is arranged on the inner wall of the upper end of the middle connecting pipe and positioned on the outer circle of the pump shaft.
4. The vertical submerged slurry pump according to claim 1, characterized in that: and a second oil seal is arranged between the lower bearing gland and the pump shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921678086.8U CN210769341U (en) | 2019-10-09 | 2019-10-09 | Vertical submerged slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921678086.8U CN210769341U (en) | 2019-10-09 | 2019-10-09 | Vertical submerged slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769341U true CN210769341U (en) | 2020-06-16 |
Family
ID=71060407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921678086.8U Active CN210769341U (en) | 2019-10-09 | 2019-10-09 | Vertical submerged slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769341U (en) |
-
2019
- 2019-10-09 CN CN201921678086.8U patent/CN210769341U/en active Active
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