CN204755323U - Novel centrifugal pump of horizontal axis structure - Google Patents
Novel centrifugal pump of horizontal axis structure Download PDFInfo
- Publication number
- CN204755323U CN204755323U CN201520461190.7U CN201520461190U CN204755323U CN 204755323 U CN204755323 U CN 204755323U CN 201520461190 U CN201520461190 U CN 201520461190U CN 204755323 U CN204755323 U CN 204755323U
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- bearing
- pump
- rear bearing
- bearing box
- box
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Abstract
The utility model discloses a novel centrifugal pump of horizontal axis structure, including the pump body, impeller, pump cover, pump shaft and bearing box, the bearing box respectively through the fore bearing with the back bearing Kit on the pump shaft, the impeller sets up inside the pump body to the suit is on the pump shaft end, the pump body passes through the bolt to be connected with the bearing box front end, is provided with the pump cover between impeller and the bearing box front end stating, the rear bearing is installed in the rear bearing box, the rear bearing box passes through the bolt and is connected with the bearing box rear end, the fore bearing is fixed through preceding bearing cover, is provided with preceding bearing oil seal in the front in the bearing cover, the rear bearing is fixed in the rear bearing box through back bearing cover to be provided with back bearing oil seal in the rear bearing box, it is provided with the shaft coupling to lie in the bearing box outside on the pump shaft. Adopt the centrifugal pump structure, only need during bearing oil seal after the change with the shaft coupling demolish can, the change process is simple, work load is little, the change time is short.
Description
Technical field
The utility model belongs to centrifugal pump technical field, specifically relates to a kind of novel horizontal centrifugal pump structure.
Background technique
Horizontal centrifugal pump rear bearing, rear bearing oil sealing are arranged in rear bearing box, rear bearing box and pump shaft are assembled complete, reinstall bearing housing, this design existing defects is after rear bearing oil sealing damages, more than ten parts such as the pump housing, impeller, pump cover, sub-propeller, axle sleeve, sleeve nut, fore bearing gland and bolt, fore bearing oil sealing, fore bearing, rear bearing box gland and bolt, coupling, rear bearing box, rear bearing oil sealing must be removed in order, examine and replace rear bearing oil sealing process is complicated, workload is large, and replacing construction is long.
Such as, publication number is that the Chinese patent of CN103711723A discloses a kind of array permanent magnetism bearing horizontal centrifugal pump, comprise base part, power section, drive part, pump body portion, has Halbach array Permanent-magnet bearing between the rotary main shaft of drive part and the bearing housing of base part, when rotating speed is very high, the advantages such as impact-rub malfunction are less likely to occur.But this horizontal centrifugal pump adopts Halbach array Permanent-magnet bearing, not mentioned thin oil lubricant, the oil sealing leaked not used for preventing thin oil.Meanwhile, what this centrifugal pump solved is Permanent-magnet bearing that prior art is traditional is that simple annular radial magnetizes magnet steel, and low bearing capacity, easily impact-rub malfunction occurs when rotating speed is very high, affects the problem of the normal work of horizontal centrifugal pump.
For another example, publication number is that the Chinese patent of CN103758778A discloses a kind of horizontal centrifugal pump with adjustment backplate, comprise the pump housing, pump cover and bearing bracket stand, adjustment backplate is also provided with in the pump housing, backplate is regulated to be arranged between impeller and the pump housing, the pump housing is laterally provided with adjustment hole, the first convex plane and the second convex plane is provided with inside the pump housing, adjustment backplate is provided with the first mounting plane and the second mounting plane, also be provided with screw, also be provided with adjusting screw rod, the nut matched with adjusting screw rod is provided with in the outside of adjusting screw rod, Adjusting bolt Adjusting screw is provided with between adjustment hole and adjusting screw rod, the inner side of Adjusting bolt Adjusting screw is provided with adjustment bulge loop.This structure can regulate impeller and protection apron gap as required, and when flow passage components in pump wear and tear, the effective high-efficiency operation keeping pump, adopts plane contact simultaneously, effectively can ensure the sealability between anti-plate and the pump housing.But what this horizontal centrifugal pump solved is that granule medium weares and teares to pump flow passage components, regulate backplate and impeller clearance to improve the efficiency of pump, and it is convenient to change backplate.And it is complicated to solve oil sealing examine and replace process, workload is large, the problem that replacing construction is long.
Model utility content
The purpose of this utility model is, for the deficiency existing for existing horizontal centrifugal pump, to provide a kind of novel horizontal centrifugal pump structure.Thus it is complicated to solve rear bearing oil seal replacement process, the problem that workload is large, saves replacing construction.
The utility model is achieved by following technical solution.
A kind of novel horizontal centrifugal pump structure, comprise the pump housing, impeller, pump cover, pump shaft and bearing housing, described bearing housing is sleeved on pump shaft respectively by fore bearing and rear bearing, described impeller is arranged at pump body, and be sleeved on pump shaft termination, the described pump housing is connected with bearing housing front end by bolt, be provided with pump cover stating between impeller and bearing housing front end, described rear bearing is arranged in rear bearing box, described rear bearing box is connected with bearing housing rear end by bolt, described fore bearing is fixed by fore bearing gland, fore bearing oil sealing is provided with in fore bearing gland, described rear bearing is fixed in rear bearing box by rear bearing gland, and rear bearing oil sealing is provided with in rear bearing box, described pump shaft is positioned at bearing box arranged outside and has coupling.
Described pump shaft is positioned at inside pump cover and is also provided with sub-propeller.
Described pump shaft is positioned at sub-propeller rear and is set with axle sleeve A and axle sleeve B successively, and adopt sleeve nut locking at axle sleeve B rear.
Be respectively arranged with Front oil seal groove and Rear oil seal groove inside described rear bearing box, and be provided with limited step between oil seal groove and Rear oil seal groove.
Described rear bearing oil sealing is arranged in Rear oil seal groove.
The beneficial effects of the utility model are:
Compared with prior art, the utility model is arranged on rear bearing box by coupling side by adopting rear bearing oil sealing, change rear bearing oil sealing only coupling to be removed, just replaceable rear bearing oil sealing, Renewal process is simple, workload is little, and replacing construction is short, substantially increases the dismounting efficiency in maintenance process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A place enlarged diagram of Fig. 1;
Fig. 3 is the B place enlarged diagram of Fig. 1;
Fig. 4 is the structural representation of rear bearing box in the utility model.
In figure: the 1-pump housing, 2-impeller, 3-pump cover, 4-sub-propeller, 5-axle sleeve A, 6-axle sleeve B, 7-sleeve nut, 8-fore bearing gland, 9-fore bearing oil sealing, 10-fore bearing, 11-rear bearing gland, 12-rear bearing, 13-rear bearing oil sealing, 14-coupling, 15-rear bearing box, 16-pump shaft, 17-bearing housing, 151-Front oil seal groove, 152-Rear oil seal groove, 153-limited step.
Embodiment
The technical solution of the utility model is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As Fig. 1 to Fig. 3 shows, a kind of novel horizontal centrifugal pump structure described in the utility model, comprise the pump housing 1, impeller 2, pump cover 3, pump shaft 16 and bearing housing 17, described bearing housing 17 is sleeved on pump shaft 16 respectively by fore bearing 10 and rear bearing 12, it is inner that described impeller 2 is arranged at the pump housing 1, and be sleeved on pump shaft 16 termination, the described pump housing 1 is connected with bearing housing 17 front end by bolt, be provided with pump cover 3 stating between impeller 2 and bearing housing 17 front end, described rear bearing 12 is arranged in rear bearing box 15, described rear bearing box 15 is connected with bearing housing 17 rear end by bolt, described fore bearing 10 is fixed by fore bearing gland 8, fore bearing oil sealing 9 is provided with in fore bearing gland 8, described rear bearing 12 is fixed in rear bearing box 15 by rear bearing gland 11, and rear bearing oil sealing 13 is provided with in rear bearing box 15, described pump shaft 16 is positioned at bearing box 15 arranged outside and has coupling 14.Adopt the technical program to change rear bearing oil sealing only coupling 14 to be removed, just replaceable rear bearing oil sealing, Renewal process is simple, and workload is little, and replacing construction is short, substantially increases the dismounting efficiency in maintenance process.
Described pump shaft 16 is positioned at inside pump cover 3 and is also provided with sub-propeller 4.
Described pump shaft 16 is positioned at sub-propeller 4 rear and is set with axle sleeve A5 and axle sleeve B6 successively, and adopt at axle sleeve B6 rear sleeve nut 7 to lock.
As shown in Figure 4, be respectively arranged with Front oil seal groove 151 and Rear oil seal groove 152 inside described rear bearing box 15, and be provided with limited step 153 between oil seal groove 151 and Rear oil seal groove 152.
Described rear bearing oil sealing 13 is arranged in Rear oil seal groove 152.Because Rear oil seal groove 152 is near coupling 14 side, so traditional rear bearing oil sealing 13 is arranged on rear bearing box 15 inner.Change into and be arranged on rear bearing box 15 by coupling 14 side.When installing replacing rear bearing oil sealing 13, only need remove coupling 14, Renewal process is simple, and workload is little, saves replacing construction, has good economic benefit and social benefit.
The present invention adopts common roller (or roller) bearing, bearing thin oil lubricant, with oil sealing to thin oil seal; Structure of the present invention is for centrifugal pump rear bearing oil sealing, and be arranged in rear bearing box, rear bearing box is arranged on again the situation in bearing housing, by rear bearing box, Rear oil seal groove is set, efficiently solve examine and replace rear bearing oil sealing process complicated, workload is large, the problem that replacing construction is long.
Claims (5)
1. a novel horizontal centrifugal pump structure, it is characterized in that: comprise the pump housing (1), impeller (2), pump cover (3), pump shaft (16) and bearing housing (17), described bearing housing (17) is sleeved on pump shaft (16) respectively by fore bearing (10) and rear bearing (12), it is inner that described impeller (2) is arranged at the pump housing (1), and be sleeved on pump shaft (16) termination, the described pump housing (1) is connected with bearing housing (17) front end by bolt, pump cover (3) is provided with between described impeller (2) and bearing housing (17) front end, described rear bearing (12) is arranged in rear bearing box (15), described rear bearing box (15) is connected with bearing housing (17) rear end by bolt, described fore bearing (10) is fixed by fore bearing gland (8), fore bearing oil sealing (9) is provided with in fore bearing gland (8), described rear bearing (12) is fixed in rear bearing box (15) by rear bearing gland (11), and rear bearing oil sealing (13) is provided with in rear bearing box (15), described pump shaft (16) is positioned at bearing box (15) arranged outside and has coupling (14).
2. a kind of novel horizontal centrifugal pump structure according to claim 1, is characterized in that: described pump shaft (16) is positioned at pump cover (3) inner side and is also provided with sub-propeller (4).
3. a kind of novel horizontal centrifugal pump structure according to claim 1, it is characterized in that: described pump shaft (16) is positioned at sub-propeller (4) rear and is set with axle sleeve A (5) and axle sleeve B (6) successively, and adopt sleeve nut (7) locking at axle sleeve B (6) rear.
4. a kind of novel horizontal centrifugal pump structure according to claim 1, it is characterized in that: described rear bearing box (15) inner side is respectively arranged with Front oil seal groove (151) and Rear oil seal groove (152), and is provided with limited step (153) between Front oil seal groove (151) and Rear oil seal groove (152).
5. a kind of novel horizontal centrifugal pump structure according to claim 1, is characterized in that: described rear bearing oil sealing (13) is arranged in Rear oil seal groove (152).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461190.7U CN204755323U (en) | 2015-06-30 | 2015-06-30 | Novel centrifugal pump of horizontal axis structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461190.7U CN204755323U (en) | 2015-06-30 | 2015-06-30 | Novel centrifugal pump of horizontal axis structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755323U true CN204755323U (en) | 2015-11-11 |
Family
ID=54470034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520461190.7U Expired - Fee Related CN204755323U (en) | 2015-06-30 | 2015-06-30 | Novel centrifugal pump of horizontal axis structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725467A (en) * | 2017-10-27 | 2018-02-23 | 刘铭 | A kind of bearing housing for pump drive |
-
2015
- 2015-06-30 CN CN201520461190.7U patent/CN204755323U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725467A (en) * | 2017-10-27 | 2018-02-23 | 刘铭 | A kind of bearing housing for pump drive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20200630 |