CN110425145A - A kind of horizontal single-stage single-suction centrifugal pump - Google Patents
A kind of horizontal single-stage single-suction centrifugal pump Download PDFInfo
- Publication number
- CN110425145A CN110425145A CN201910833375.9A CN201910833375A CN110425145A CN 110425145 A CN110425145 A CN 110425145A CN 201910833375 A CN201910833375 A CN 201910833375A CN 110425145 A CN110425145 A CN 110425145A
- Authority
- CN
- China
- Prior art keywords
- pump
- motor shaft
- motor
- linkage section
- impeller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of horizontal single-stage single-suction centrifugal pumps, including motor and Pump Axle, Pump Axle includes sequentially connected motor shaft linkage section from left to right, interlude, impeller linkage section, one end that motor shaft linkage section is connected with motor shaft offers motor shaft connecting hole, motor shaft is inserted into motor shaft connecting hole, motor shaft linkage section is fixed on motor shaft by interior hexagon concave-end locking screw, the impeller linkage section of Pump Axle is equipped with impeller, the pump housing is equipped with outside impeller, pump cover is provided on the pump housing, it is provided with sealing ring between the pump housing and pump cover and forms sealing, the interlude of Pump Axle is arranged with mechanical seal, mechanical seal forms sealing between impeller and pump cover, bracket is provided on pump cover, the pump housing is connected to motor and is integrated by bracket；The present invention compared with the existing technology, not only can guarantee concentricity requirement, but also can save cost to a certain extent, shorten the length of entire water pump, save installation space, so that assembling simpler, more compact structure.
Description
[technical field]
The present invention relates to centrifugation pump technical field, specifically a kind of horizontal single-stage single-suction centrifugal pumps.
[background technique]
Horizontal single-stage single-suction centrifugal pump is applied very extensive as universal hydraulic now, and with Chinese science and technology
Rapid development, the demand to horizontal single-stage single-suction centrifugal pump are also increasing.However, traditional horizontal single-stage single suction is centrifuged
Pump, is usually all the structure with strut bearing cabinet, and pump head needs to connect by intermediate shaft coupling and motor after the assembly is completed
Installation is connect, is installed complex；Moreover, because shaft coupling assembles concentricity requirement to common base processing request height, to make
It obtains and entirely manufactures the complex trouble of process and assemble process.
[summary of the invention]
A kind of horizontal single-stage single-suction centrifugal pump is provided present invention aim to solve above-mentioned deficiency, eliminates biography
While the water pump suspension bearing housing and intermediate shaft coupling of system, concentricity requirement not only can guarantee, but also can save to a certain extent
The length of entire water pump is shortened in cost-saving, saves installation space, so that assembling simpler, more compact structure.
A kind of horizontal single-stage single-suction centrifugal pump, including motor 1 and Pump Axle 2 are designed to achieve the above object, it is described
Pump Axle 2 is connected with the motor shaft of 1 output end of motor, and the Pump Axle 2 is multi-diameter shaft, and the Pump Axle 2 includes
Sequentially connected motor shaft linkage section, interlude, impeller linkage section from left to right, the motor shaft linkage section are connected with motor shaft
One end offer motor shaft connecting hole, the motor shaft connecting hole is axially disposed, and the motor shaft of the motor 1 is inserted into water pump
In the motor shaft connecting hole of pump shaft 2, the motor shaft linkage section of the Pump Axle 2 is fixed by interior hexagon concave-end locking screw 9
On motor shaft, the impeller linkage section of the Pump Axle 2 is equipped with impeller 6, is equipped with the pump housing 7, the pump outside the impeller 6
Pump cover 4 is provided on body 7, the pump cover 4 is arranged between the pump housing 7 and motor 1, is provided between the pump housing 7 and pump cover 4 close
Seal 5 forms sealing, and the interlude of the Pump Axle 2 is arranged with mechanical seal 8, and the mechanical seal 8 is in impeller 6 and pump cover
Sealing is formed between 4, bracket 3 is provided on the pump cover 4, and the bracket 3 is set between pump cover 4 and motor 1, the bracket 3
The pump housing 7 and motor 1 are connected as one.
Further, shield 10 is provided on the bracket 3, the motor 1 passes through 4 phase of bracket 3 and pump cover with the pump housing 7
Even, and motor 1 and the pump housing 7 are commonly mounted on common base 11.
Further, the motor shaft linkage section, interlude, impeller linkage section diameter successively successively decrease, the motor shaft
Linkage section, interlude, impeller linkage section are connected to one formula structure.
Further, the pump cover 4 is set at the interlude of Pump Axle 2, and the mechanical seal 8 is arranged in pump cover 4
Between the interlude of Pump Axle 2, described 4 one end of pump cover and the pump housing 7 are tightly connected, and 4 other end of pump cover and bracket 3 are close
Envelope connection.
The present invention is compared with the existing technology, structure novel, simple, and design rationally, it is outstanding on the one hand to eliminate traditional water pump
The pump housing is directly connected to the motor by bracket, while Pump Axle is designed as a kind of plug-in type pump shaft knot by frame bearing housing
Structure eliminates intermediate shaft coupling connection to directly be inserted into connection motor shaft by electric pump axle, both can guarantee concentricity requirement,
Cost can be saved to a certain extent again, the length of entire water pump is shortened, save installation space, so that assembly is simpler,
More compact structure is worthy of popularization.
[Detailed description of the invention]
Fig. 1 is structural schematic diagram of the invention；
In figure: 1, motor 2, Pump Axle 3, bracket 4, pump cover 5, sealing ring 6, impeller 7, the pump housing 8, machinery are close
Seal 9, interior hexagon concave-end locking screw 10, shield 11, common base.
[specific embodiment]
The present invention is made with reference to the accompanying drawing further explained below:
As shown in Fig. 1, the present invention includes motor 1, Pump Axle 2, bracket 3, pump cover 4, sealing ring 5, impeller 6, the pump housing
7, mechanical seal 8, interior hexagon concave-end locking screw 9, shield 10, common base 11.Pump Axle 2 and 1 output end of motor
Motor shaft is connected, Pump Axle 2 be multi-diameter shaft, Pump Axle 2 include from left to right sequentially connected motor shaft linkage section, in
Between section, impeller linkage section, motor shaft linkage section, interlude, impeller linkage section diameter successively successively decrease, motor shaft linkage section, in
Between section, impeller linkage section be connected to one formula structure, one end that motor shaft linkage section is connected with motor shaft offers motor
Axis connection hole, motor shaft connecting hole is axially disposed, in the motor shaft connecting hole of the motor shaft insertion Pump Axle 2 of motor 1, water
The motor shaft linkage section of pump pump shaft 2 is fixed on motor shaft by interior hexagon concave-end locking screw 9, and the impeller of Pump Axle 2 connects
It connects section and impeller 6 is installed, the pump housing 7 is equipped with outside impeller 6, pump cover 4 is provided on the pump housing 7, pump cover 4 is arranged in the pump housing 7 and motor 1
Between, it is provided with sealing ring 5 between the pump housing 7 and pump cover 4 and forms sealing, the interlude of Pump Axle 2 is arranged with mechanical seal 8,
Mechanical seal 8 forms sealing between impeller 6 and pump cover 4, and bracket 3 is provided on pump cover 4, and bracket 3 is set to pump cover 4 and motor 1
Between, the pump housing 7 and motor 1 are connected as one by bracket 3.
In the present invention, pump cover 4 is set at the interlude of Pump Axle 2, and the setting of mechanical seal 8 is pumped in pump cover 4 and water pump
Between the interlude of axis 2,4 one end of pump cover and the pump housing 7 are tightly connected, and 4 other end of pump cover and bracket 3 are tightly connected.Pump Axle 2
It is designed for insertion into formula structure, motor shaft insertion Pump Axle 2 is simultaneously fixed on motor shaft by interior hexagon concave-end locking screw 9, is taken
Disappeared intermediate shaft coupling, saves space cost.It is provided with impeller 6 in Pump Axle 2, there is the pump housing 7 outside impeller 6, on the pump housing 7
It is provided with pump cover 4, sealing ring 5 is provided between the pump housing 7 and pump cover 4 and forms sealing, is provided with mechanical seal 8 in Pump Axle 2
Sealing is formed between impeller 6 and pump cover 4, is provided with bracket 3 on pump cover 4 and water pump and motor 1 link together, on bracket 3
It is provided with shield 10, motor 1 and the pump housing 7 and is connected by bracket 3 with pump cover 4, and motor 1 and the pump housing 7 are commonly mounted on jointly
On pedestal 11, traditional strut bearing cabinet is eliminated, it is simple and compact for structure.
The present invention is simultaneously not limited to the embodiments described above, other any without departing from spiritual essence and principle of the invention
Changes, modifications, substitutions, combinations, simplifications made by lower, should be equivalent substitute mode, are included in protection model of the invention
Within enclosing.
Claims (4)
1. a kind of horizontal single-stage single-suction centrifugal pump, including motor (1) and Pump Axle (2), the Pump Axle (2) and motor
(1) motor shaft of output end is connected, it is characterised in that: the Pump Axle (2) is multi-diameter shaft, Pump Axle (2) packet
Include sequentially connected motor shaft linkage section, interlude, impeller linkage section from left to right, the motor shaft linkage section and motor shaft phase
One end even offers motor shaft connecting hole, and the motor shaft connecting hole is axially disposed, the motor shaft insertion of the motor (1)
In the motor shaft connecting hole of Pump Axle (2), the motor shaft linkage section of the Pump Axle (2) passes through interior hexagonal female end clamp screw
Nail (9) is fixed on motor shaft, and the impeller linkage section of the Pump Axle (2) is equipped with impeller (6), and the impeller (6) is external
Equipped with the pump housing (7), it is provided with pump cover (4) on the pump housing (7), the pump cover (4) is arranged between the pump housing (7) and motor (1),
It is provided with sealing ring (5) between the pump housing (7) and pump cover (4) and forms sealing, the interlude of the Pump Axle (2) is arranged with
Mechanical seal (8), the mechanical seal (8) form sealing between impeller (6) and pump cover (4), are provided on the pump cover (4)
Bracket (3), the bracket (3) are set between pump cover (4) and motor (1), and the pump housing (7) is connect by the bracket (3) with motor (1)
It is integrated.
2. horizontal single-stage single-suction centrifugal pump as described in claim 1, it is characterised in that: be provided with protection on the bracket (3)
It covers (10), the motor (1) is connected with the pump housing (7) by bracket (3) and pump cover (4), and motor (1) and the pump housing (7) are pacified jointly
On common base (11).
3. horizontal single-stage single-suction centrifugal pump as claimed in claim 2, it is characterised in that: the motor shaft linkage section, interlude,
The diameter of impeller linkage section successively successively decreases, and the motor shaft linkage section, interlude, impeller linkage section are connected to one formula knot
Structure.
4. horizontal single-stage single-suction centrifugal pump as claimed in claim 3, it is characterised in that: the pump cover (4) is set in water pump pump
At the interlude of axis (2), the mechanical seal (8) is arranged between pump cover (4) and the interlude of Pump Axle (2), the pump
It covers (4) one end and the pump housing (7) is tightly connected, pump cover (4) other end and bracket (3) are tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833375.9A CN110425145A (en) | 2019-09-04 | 2019-09-04 | A kind of horizontal single-stage single-suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833375.9A CN110425145A (en) | 2019-09-04 | 2019-09-04 | A kind of horizontal single-stage single-suction centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110425145A true CN110425145A (en) | 2019-11-08 |
Family
ID=68417409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910833375.9A Pending CN110425145A (en) | 2019-09-04 | 2019-09-04 | A kind of horizontal single-stage single-suction centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110425145A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116404804A (en) * | 2023-03-28 | 2023-07-07 | 北京通嘉宏瑞科技有限公司 | Integrated shaft type sealed vacuum pump motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206206248U (en) * | 2016-09-20 | 2017-05-31 | 广州市白云泵业集团有限公司 | A kind of single stage single suction volute pump |
| CN210509603U (en) * | 2019-09-04 | 2020-05-12 | 上海中韩杜科泵业制造有限公司 | Horizontal single-stage single-suction centrifugal pump |
-
2019
- 2019-09-04 CN CN201910833375.9A patent/CN110425145A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206206248U (en) * | 2016-09-20 | 2017-05-31 | 广州市白云泵业集团有限公司 | A kind of single stage single suction volute pump |
| CN210509603U (en) * | 2019-09-04 | 2020-05-12 | 上海中韩杜科泵业制造有限公司 | Horizontal single-stage single-suction centrifugal pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116404804A (en) * | 2023-03-28 | 2023-07-07 | 北京通嘉宏瑞科技有限公司 | Integrated shaft type sealed vacuum pump motor |
| CN116404804B (en) * | 2023-03-28 | 2024-02-09 | 北京通嘉宏瑞科技有限公司 | Integrated shaft type sealed vacuum pump motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |