CN200978817Y - Easily-detachable vertical single-stage double-suction pump - Google Patents
Easily-detachable vertical single-stage double-suction pump Download PDFInfo
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- CN200978817Y CN200978817Y CN 200620048753 CN200620048753U CN200978817Y CN 200978817 Y CN200978817 Y CN 200978817Y CN 200620048753 CN200620048753 CN 200620048753 CN 200620048753 U CN200620048753 U CN 200620048753U CN 200978817 Y CN200978817 Y CN 200978817Y
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- single stage
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Abstract
The utility model relates to an easy detaching vertical single stage double-suction pump using for the boosting and the water supply of the pump pipe, the technical problem to be resolved is to provide an easy detaching vertical single stage double-suction pump convenient to disassembly and assembly. The structure comprises an electric engine a single stage double-suction pump, a connecting element is arranged between the electric engine and the single stage double-suction pump, the connecting element comprises a wafer type coupler and an easy detaching bracket. The two ends of the bracket are respectively connected with the lower end of the electric engine and the upper end of the single stage double-suction pump, and the motor shaft of the electric engine and the pump shaft of the single stage double-suction pump extend in the easy detaching bracket and are connected by the wafer type coupler disposed in the bracket, at least a opening is arranged on the bracket. The utility model belongs to an ingenious combination of a standard electric engine and a vertical single stage double-suction pump, not only has the initial capability but has the easy detaching capability, the replacement and the maintenance can be performed only need detaching and taking out the wafer type coupler when changing the same type of electric engine, pump or maintaining.
Description
Technical field
The utility model relates to a kind of centrifugal pump, especially relate to a kind of be used for water pump pipeline supercharging, feedwater just tear the vertical single stage double suction pump open.
Background technique
The existing vertical single stage Piping Centrifugal Pumps of just tearing open is divided into two kinds of forms of single suction structure and double suction structure.Wherein just tear the vertical single stage double-suction centrifugal pump open because adorn the mode of rolling bearing in adopting on the pump cover, bearing must be contained in outside pump cover and the working medium.And the common maintenance of water pump to be changing mechanical seal, and when safeguarding, need pull down and take out shaft joint, pump cover, impeller, pump shaft earlier is the part of a whole assembly, pulls down the impeller part again, just can pull down mechanical seal then.During particularly to the maintenance of bigbore water pump, because of just removable member too heavily needs many people could take out this whole assembly with joint efforts, dismounting inconvenience in application can not be satisfied just the tearing open of client, the just requirement of maintenance.Hence one can see that, and above-mentioned vertical single stage double-suction centrifugal pump has just tears shortcomings such as not thorough, inconvenient, that just removable member is too heavy, and coupling member such as shaft joint and bearing are oversize open, makes the effect that does not reach detachable type in reality is safeguarded.
Summary of the invention
Problem to be solved in the utility model is to overcome the existing defective of just tearing, safeguard inconvenience open that the vertical single stage double-suction centrifugal pump exists of just tearing open, and provide a kind of this serial vertical single stage double-suction centrifugal pump of just tearing function open that has, thoroughly solved the disadvantage that existing easy-to-detach pump inconvenience is torn open, reached and really just torn the just purpose of dimension open.
For solving the problems of the technologies described above the technical solution of the utility model is to realize like this, a kind of vertical single stage double suction pump of just tearing open, comprise motor 1 and single-stage double-suction water pump 2, described single-stage double-suction water pump 2 comprises the pump housing 21, pump shaft 22, impeller 23 and pump cover 24, described impeller 23 is provided with two suction ports, a water outlet; It is characterized in that: be provided with connector element 3 between described motor 1 and the single-stage double-suction water pump 2, described connector element 3 is made of wafer type coupling 31 and detachable type support 32; The two ends of described detachable type support 32 are connected with the upper end of the pump housing 21 of the lower end of motor 1 and single-stage double-suction water pump 2 respectively, and the pump shaft 22 of the motor shaft 12 of motor 1 and single-stage double-suction water pump 2 stretches in the detachable type support 32; Wafer type shaft joint 31 places in the detachable type support 32, connects motor shaft 12 and pump shaft 22; On detachable type support 32, be provided with at least one opening.
Described wafer type coupling 31 is divided into two parts symmetrical, on the motor shaft 12 and pump shaft 22 of this two-part clip in detachable type support 32, and fixes with link.
The lower end of described pump shaft 22 is provided with graphite impregnation bearing 29.
Middle-end at above-mentioned pump shaft 22 is equipped with above-mentioned impeller 23, is provided with seal arrangement 4 in the upper end of impeller 23.
Described seal arrangement 4 comprises mechanical sealing element 4, sealing gland 42 and Sealing positioning ring 43, described mechanical sealing element 41 is installed on the pump shaft 22, and compress by above-mentioned sealing gland 42 above it, the lower end is fixing by Sealing positioning ring 43, described mechanical gland 42 is fixed on the pump shaft 22, and matches with pump cover 24.
Described pump cover 24 is provided with automatic control pressure vent 6.
Be provided with the water intake that links to each other with outside return pipe 5 in the bottom of the pump housing 21, the other end of this outside return pipe 5 links to each other with the water outlet of the pump housing 21 by the through hole of the pump housing 21 water outlets part.
Be provided with O type rubber seal 7 between the described pump cover 23 and the pump housing 21.
The beneficial effects of the utility model, the utility model belong to the ingenious combination of a kind of standard electromotor and vertical single stage double suction pump, make it not only have original single-stage double-suction pump performance, but also have the detachable type function.The general degree height of the motor that the detachable type centrifugal pump is adopted, because of it has the detachable type structure, when changing the motor of same model or water pump as needs, only need take and take out wafer type shaft joint 31 apart, take motor 1 then apart and just can take off motor or water pump, can change with the connecting screw of detachable type support 32.
Though above-mentioned motor is to be connected with the wafer type shaft joint with attachment portion between the water pump, can reach the usage requirement of concentric shafts.
Water pump part of the present utility model is in common maintenance, as when changing mechanical sealing element 41, just need not pull down motor 1, pump cover 24 can carry out repair and maintenance, only need take and take out wafer type shaft joint 31 apart, taking and take out seal gland 42 apart, just can change.
Pump part of the present utility model is very convenient at aspects such as replacing pump cover 24, pump shaft 22, impeller 23, thrust disc 27, axle sleeve 28 and graphite impregnation bearings 29, need not pull down motor 1 and just can carry out repair and maintenance, only need take and take out wafer type shaft joint 31 apart, taking and taking out pump cover 24 apart, just can take out assemblies such as mechanical sealing element 41, pump shaft 22 and impeller 23, thrust disc 27, axle sleeve 28 and partly change, and the replacing of China ink dipping bearing 29; Reach and overhaul purpose easily.
In common maintenance, only need few personnel, owing to adopt the graphite bearing 29 of underlying, overall concentricity height, the noise and vibration that has effectively reduced water pump has prolonged working life, can satisfy the needs of high requests such as the user is convenient to working service, maintenance is quick.
Because of automatic control pressure vent 6 is installed on pump cover 24, only need open inlet valve, unclamp the gas nozzle cap of automatic control pressure vent, the air in the pump housing can be discharged from the automatic control pressure vent on pump cover top automatically automatically, can close automatically again after having arranged gas.Can not make outside the medium efflux pump, can guarantee the normal operation of water pump.
Owing to adopt the outer circulation cooling unit can make the interior circulation fed sheet of a media of pump, can flow into through the base sidepiece of return pipe by the water outlet of the pump housing from the pump housing, through the graphite bearing components, flow into impeller 23 water inlets then, so circulation is cooled off and lubricating bearings.
This pump also has energy-conservation, and floor space is little, beautiful shape, and the advantage that installation conditions is superior can easyly be installed on the centre of arbitrary horizontal pipeline.Detachable type support height overall has reduced by 30%, and the height overall of this pump has reduced by 10%, and the weight of pump has reduced by 5%, it is artificial 70% that unique detachable type structure can be saved repair and maintenance, and inspection speed is fast 80%, makes whole water pump structure compactness, aesthetic in appearance, make pump operation safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described: a kind of vertical single stage double suction pump of just tearing open of the utility model, comprise motor 1 and single-stage double-suction water pump 2, described single-stage double-suction water pump 2 comprises the pump housing 21, pump shaft 22, impeller 23, pump cover 24 and following stifle 25, two suction ports were intake simultaneously about the described pump housing 21 adopted the next door, be the left water outlet form of right water inlet, the structure uniqueness, piping erection is convenient.Above-mentioned impeller 23 is contained in the middle part of the pump housing 21, cooperate with the pump housing 21, adopt the double-sucking type structure, medium can suck simultaneously from two end entrances up and down of impeller 23, dish out from the centre then, medium footpath runner is gone into the water outlet of the pump housing 21, and impeller 23 is in state of suspension fully in the water pump operation, no radial thrust operates steadily.
The lower end of the pump housing 21 is by following stifle 25 closures, and the upper end of its pump housing 21 is equipped with pump cover 24.Impeller 23 adopts the double-sucking type structures, and the top of impeller 23 is provided with impeller and cap 26 with fixing impeller 23.Be provided with connector element 3 between above-mentioned motor 1 and the single-stage double-suction water pump 2, described connector element 3 comprises wafer type coupling 31 and detachable type support 32; The two ends of described detachable type support 32 are connected with the upper end of the pump housing 21 of the lower end of motor 1 and single-stage double-suction water pump 2 respectively, and the pump shaft 22 of the motor shaft 12 of motor 1 and single-stage double-suction water pump 2 stretches in the detachable type support 32; Wafer type shaft joint 31 places in the detachable type support 32, connects motor shaft 12 and pump shaft 22; On detachable type support 32, be provided with at least one opening, be used for when dismounting, being used to take out pump cover 24, pump shaft 22 and impeller 23 etc.; Also can be provided with other opening, both reduce cost of material, alleviate the weight of whole centrifugal pump again; Referring to shown in Figure 1.
Described wafer type coupling 31 is divided into two parts symmetrical, on the motor shaft 12 and pump shaft 22 of this two-part clip in detachable type support 32, and fixing with link 33.Above-mentioned link can be a cylindrical pin, also can be screw or pin.
Above-mentioned seal arrangement 4 comprises mechanical sealing element 41, sealing gland 42 and Sealing positioning ring 43, and described mechanical sealing element 41 is installed on the pump shaft 22, and is compressed by above-mentioned sealing gland 42 above it, and the lower end is equipped with Sealing positioning ring 43; Described sealing gland 42 is fixed on the pump shaft 22, and matches with pump cover 24.When changing mechanical sealing element 41, do not need to pull down motor, because of 29 underlyings of graphite impregnation resin bearing in the pump housing 21, just make and in the time need not taking parts such as pump cover apart, can change mechanical sealing element 41.Only need take and take out wafer type shaft joint 31 apart, take sealing gland 42 then apart, just can take out mechanical sealing element 41, change.
Be provided with the water intake that links to each other with outside return pipe 5 in the bottom of the pump housing 21, the other end of this return pipe 5 links to each other with the water outlet of the pump housing 21 by the through hole of the pump housing 21 water outlets part, forms the outer circulation cooling unit; This outer circulation cooling unit can make recirculated cooling water in the pump or fed sheet of a media through the graphite bearing components, flow into the water inlet of impeller 23 then, so circulation cooling and lubricating bearings by the pump housing 21 water outlets through the side inflow of return pipe 5 at the bottom of the pump.
Be provided with automatic control pressure vent 6 on above-mentioned pump cover 22, only need open inlet valve, unclamp the gas nozzle cap of automatic control pressure vent 6, the air in the pump housing and the motor can be discharged from the automatic control pressure vent at motor top automatically automatically, can close automatically again after having arranged gas.Can not make outside the medium efflux pump, can guarantee the normal operation of water pump.And in use,, can reduce normal user cost and manpower automatically with its discharge if having air to enter in the pipeline, strengthened the reliable and stability of water pump operation.
When changing the motor of same model or water pump, only need take and take out the wafer type shaft joint apart, take being connected sieve silk and just can taking off motor or water pump of motor and support then apart, be convenient for changing as need.Reach and overhaul purpose easily.
During work, fed sheet of a media enters from the right side of the pump housing 21, and the upper/lower terminal inlet via impeller 23 sucks again, dishes out from the centre then, and fed sheet of a media is flowed out by the left side outlet of the pump housing 21 through runner.A main feature of double suction structure; Impeller 23 is in state of suspension fully in the water pump operation, and no radial thrust operates steadily, and has improved the working life of graphite impregnation bearing 29, thrust disc 27 and axle sleeve 28.
In maintenance process, when changing bearing, impeller, pump shaft parts, need not pull down motor, only need take and take out the wafer type shaft joint apart, take the screw on the pump cover then apart, just can take out pump cover, just can take out pump shaft, impeller and bearing part then and change.Bearing in the pump-foot of this series easy-to-detach pump is built-in, adopts graphite impregnation resin bearing gold conjugate axle sleeve to join thrust disc, and the bearing utilization carries liquid lubricated voluntarily, so do not pollute the trouble of carrying liquid and having removed regular oiling from.
Just tear the effect that the vertical single stage single-suction centrifugal pump reaches real detachable type open because of the utility model can make, the maintenance of this kind centrifugal pump in the past needs the thing of 3-5, now as long as 1--2 people just can solve.Thoroughly solve the disadvantage that former easy-to-detach pump inconvenience is torn open, reached the purpose of really just tearing open and just tieing up.It is artificial 70% that the detachable type structure can be saved repair and maintenance, and inspection speed is fast 80%, makes whole water pump structure compactness, aesthetic in appearance, makes pump operation safe and reliable.
Claims (8)
1. just tear the vertical single stage double suction pump open for one kind, comprise motor (1) and single-stage double-suction water pump (2), described single-stage double-suction water pump (2) comprises the pump housing (21), pump shaft (22), impeller (23) and pump cover (24), and described impeller (23) is provided with two suction ports, a water outlet; It is characterized in that: be provided with connector element (3) between described motor (1) and the single-stage double-suction water pump (2), described connector element (3) is made of wafer type coupling (31) and detachable type support (32); The two ends of described detachable type support (32) are connected with the upper end of the pump housing (21) of the lower end of motor (1) and single-stage double-suction water pump (2) respectively, and the pump shaft (22) of the motor shaft (12) of motor (1) and single-stage double-suction water pump (2) stretches in the detachable type support (32); Wafer type shaft joint (31) places in the detachable type support (32), connects motor shaft (12) and pump shaft (22); On detachable type support (32), be provided with at least one opening.
2. a kind of vertical single stage double suction pump of just tearing open according to claim 1, it is characterized in that: described wafer type coupling (31) is divided into two parts symmetrical, on the motor shaft (12) and pump shaft (22) of this two-part clip in detachable type support (32), and fix with link.
3. a kind of vertical single stage double suction pump of just tearing open according to claim 1 and 2, it is characterized in that: the lower end of described pump shaft (22) is provided with graphite impregnation bearing (29).
4. a kind of vertical single stage double suction pump of just tearing open according to claim 3 is characterized in that: the middle-end at above-mentioned pump shaft (22) is equipped with above-mentioned impeller (23), is provided with seal arrangement (4) in the upper end of impeller (23).
5. a kind of vertical single stage double suction pump of just tearing open according to claim 4, it is characterized in that: described seal arrangement (4) comprises mechanical sealing element (41), sealing gland (42) and Sealing positioning ring (43), described mechanical sealing element (41) is installed on the pump shaft (22), and compress by above-mentioned sealing gland (42) above it, the lower end is fixing by Sealing positioning ring (43), described mechanical gland (42) is fixed on the pump shaft (22), and matches with pump cover (24).
6. a kind of vertical single stage double suction pump of just tearing open according to claim 1 and 2, it is characterized in that: described pump cover (24) is provided with automatic control pressure vent (6).
7. a kind of vertical single stage double suction pump of just tearing open according to claim 1 and 2, it is characterized in that: be provided with the water intake that links to each other with outside return pipe (5) in the bottom of the pump housing (21), the other end of this outside return pipe (5) links to each other with the water outlet of the pump housing (21) by the through hole of the pump housing (21) water outlet part.
8. a kind of vertical single stage double suction pump of just tearing open according to claim 1 and 2 is characterized in that: be provided with O type rubber seal (7) between the described pump cover (23) and the pump housing (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048753 CN200978817Y (en) | 2006-12-08 | 2006-12-08 | Easily-detachable vertical single-stage double-suction pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048753 CN200978817Y (en) | 2006-12-08 | 2006-12-08 | Easily-detachable vertical single-stage double-suction pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200978817Y true CN200978817Y (en) | 2007-11-21 |
Family
ID=38979194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620048753 Expired - Fee Related CN200978817Y (en) | 2006-12-08 | 2006-12-08 | Easily-detachable vertical single-stage double-suction pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200978817Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948501A (en) * | 2015-07-03 | 2015-09-30 | 锦州市劲弓泵业有限责任公司 | Energy-saving type horizontal direct connection single-stage double suction centrifugal pump |
| CN106246559A (en) * | 2016-07-27 | 2016-12-21 | 上海创科泵业制造有限公司 | A kind of Double pump body double-suction type canned motor pump |
| CN108252928A (en) * | 2017-12-11 | 2018-07-06 | 安徽颐博思泵业有限责任公司 | Novel vertical easy-to-disassemble pipeline pump |
| EP3379098A4 (en) * | 2015-11-19 | 2019-06-26 | Ebara Corporation | Shaft coupling and pump device |
| CN114738286A (en) * | 2022-05-19 | 2022-07-12 | 江苏创进泵阀制造有限公司 | Inorganic sealing non-aqueous cooling device's that potassium chloride medium used doublestage double suction energy-saving ore pulp pump |
-
2006
- 2006-12-08 CN CN 200620048753 patent/CN200978817Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948501A (en) * | 2015-07-03 | 2015-09-30 | 锦州市劲弓泵业有限责任公司 | Energy-saving type horizontal direct connection single-stage double suction centrifugal pump |
| EP3379098A4 (en) * | 2015-11-19 | 2019-06-26 | Ebara Corporation | Shaft coupling and pump device |
| CN106246559A (en) * | 2016-07-27 | 2016-12-21 | 上海创科泵业制造有限公司 | A kind of Double pump body double-suction type canned motor pump |
| CN106246559B (en) * | 2016-07-27 | 2019-09-20 | 上海创科泵业制造有限公司 | A kind of Double pump body double-suction type canned motor pump |
| CN108252928A (en) * | 2017-12-11 | 2018-07-06 | 安徽颐博思泵业有限责任公司 | Novel vertical easy-to-disassemble pipeline pump |
| CN114738286A (en) * | 2022-05-19 | 2022-07-12 | 江苏创进泵阀制造有限公司 | Inorganic sealing non-aqueous cooling device's that potassium chloride medium used doublestage double suction energy-saving ore pulp pump |
| CN114738286B (en) * | 2022-05-19 | 2024-08-09 | 江苏创进泵阀制造有限公司 | Inorganic sealing anhydrous cooling device's energy-conserving pulp pump of doublestage double suction that potassium chloride medium used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071121 Termination date: 20121208 |