CN200978835Y - Easily-detachable vertical single-stage double-suction pipe centrifugal pump - Google Patents
Easily-detachable vertical single-stage double-suction pipe centrifugal pump Download PDFInfo
- Publication number
- CN200978835Y CN200978835Y CN 200620048420 CN200620048420U CN200978835Y CN 200978835 Y CN200978835 Y CN 200978835Y CN 200620048420 CN200620048420 CN 200620048420 CN 200620048420 U CN200620048420 U CN 200620048420U CN 200978835 Y CN200978835 Y CN 200978835Y
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- Prior art keywords
- pump
- shaft
- stage
- motor
- single stage
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 20
- 210000004907 gland Anatomy 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005470 impregnation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 12
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 210000004722 stifle Anatomy 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an easy detaching vertical single stage and single suction centrifugal pump using for the boosting and the water supply of the pump pipe, the technical problem to be solved for the utility model is to provide a convenient to disassembly and assembly easy detaching vertical single stage and single suction centrifugal pump. The structure comprises an electric motor and a single stage pump, a connecting component is arranged between the electric motor and a single stage pump, the connecting component 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 motor and the upper end of the single stage pump, and the motor shaft of the electric motor and the pump shaft of the single stage pump extend in the easy detaching bracket and are connected by the wafer type coupler in the bracket, at least a opening is arranged on the bracket. The utility model belongs to an ingenious combination of a standard electric motor and a vertical single stage pump, not only has the initial capability but has the easy detaching capability, the replacement and the maintenance are very convenient and can be performed only need detaching and taking out the wafer type coupler when changing the same type of electric motor, 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 vertical single stage single suction Piping Centrifugal Pumps open.
Background technique
The existing vertical single stage single suction Piping Centrifugal Pumps of just tearing open belongs to single stage single suction volute pump series.The mode of dress rolling bearing in this structure adopts on the pump cover, bearing must be contained in outside pump cover and the working medium.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 single suction Piping Centrifugal Pumps 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
Technical problem to be solved of the present utility model is to overcome existing detachable type one step single sucking pump to be not easy to the defective dismantling, safeguard, and a kind of easy disassembly is provided just tear vertical single stage single suction Piping Centrifugal Pumps open.
Be achieved in that a kind of vertical single stage single suction Piping Centrifugal Pumps of just tearing open for solving the problems of the technologies described above the technical solution of the utility model, comprise motor 1 and single-stage pump 2, described single-stage pump 2 comprises the pump housing 21, pump shaft 22, impeller 23 and pump cover 24; It is characterized in that: be provided with connector element 3 between described motor 1 and the single-stage 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 pump 2 respectively, and the pump shaft 22 of the motor shaft 12 of motor 1 and single-stage 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 upper end at above-mentioned pump shaft 22 is provided with seal arrangement 4, and its middle-end is equipped with above-mentioned impeller 23.
Described seal arrangement 4 comprises mechanical sealing element 41 and sealing gland 42, 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 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.
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 pump, make it not only have original performance, and 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 it is to be connected with the wafer type shaft joint that above-mentioned motor divides with the pump middle interconnecting piece, can reach the usage requirement of concentric shafts.
Pump of the present utility model part, 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 be changed when changing mechanical sealing element 41 in common maintenance.
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 underlying graphite bearing, overall concentricity height, the noise and vibration that has effectively reduced water pump has prolonged working life, and it is convenient to working service to satisfy the user, and maintenance waits the needs of high request fast.
Because of automatic control pressure vent is installed on the pump housing, only need open inlet valve, unclamp the gas nozzle cap of automatic control pressure vent, the air of 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.
This pump 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.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described: a kind of vertical single stage single suction Piping Centrifugal Pumps of just tearing open of the utility model, comprise motor 1 and single-stage pump 2, described single-stage pump 2 comprises the pump housing 21, pump shaft 22, impeller 23, pump cover 24 and following stifle 25, the described pump housing 21 adopts the next door water inlet, above-mentioned impeller 23 is contained in the middle part of the pump housing 21, is the form of the left water outlet of right water inlet, and piping erection is convenient.The pump housing 21 following, pump cover 24 is installed above it by following stifle 25 closures.Impeller 23 adopts single suction formula 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 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 pump 2 respectively, and the pump shaft 22 of the motor shaft 12 of motor 1 and single-stage 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 and sealing gland 42, 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 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 following end entrance 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.
In the maintenance,, when impeller, pump shaft parts, need not tear motor open, 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 changing bearing.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 vertical single stage single suction Piping Centrifugal Pumps reaches real detachable type open because of the utility model can make, the maintenance of this kind centrifugal pump in the past needs 2-3 people's thing, now as long as a 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 (7)
1. just tear vertical single stage single suction Piping Centrifugal Pumps open for one kind, comprise motor (1) and single-stage pump (2), described single-stage pump (2) comprises the pump housing (21), pump shaft (22), impeller (23) and pump cover (24); It is characterized in that: be provided with connector element (3) between described motor (1) and the single-stage 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 pump (2) respectively, and the pump shaft (22) of the motor shaft (12) of motor (1) and single-stage 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 single suction Piping Centrifugal Pumps 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 single suction Piping Centrifugal Pumps 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 single suction Piping Centrifugal Pumps of just tearing open according to claim 3, it is characterized in that: be provided with seal arrangement (4) in the middle upper end of above-mentioned pump shaft (22), its middle-end is equipped with above-mentioned impeller (23).
5. a kind of vertical single stage single suction Piping Centrifugal Pumps of just tearing open according to claim 4, it is characterized in that: described seal arrangement (4) comprises mechanical sealing element (41) and sealing gland (42), described mechanical sealing element (41) is installed on the pump shaft (22), and compress by above-mentioned sealing gland (42) above it, described mechanical gland (42) is fixed on the pump shaft (22), and matches with pump cover (24).
6. a kind of vertical single stage single suction Piping Centrifugal Pumps 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 single suction Piping Centrifugal Pumps 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048420 CN200978835Y (en) | 2006-12-01 | 2006-12-01 | Easily-detachable vertical single-stage double-suction pipe centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620048420 CN200978835Y (en) | 2006-12-01 | 2006-12-01 | Easily-detachable vertical single-stage double-suction pipe centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200978835Y true CN200978835Y (en) | 2007-11-21 |
Family
ID=38979211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620048420 Expired - Fee Related CN200978835Y (en) | 2006-12-01 | 2006-12-01 | Easily-detachable vertical single-stage double-suction pipe centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200978835Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564707A (en) * | 2015-01-30 | 2015-04-29 | 朱海川 | Modular efficient maintenance-free bidirectional detachable universal centrifugal pump |
| CN107420346A (en) * | 2016-08-29 | 2017-12-01 | 青岛唯科泵业有限公司 | A kind of anti-lock self-lubricating easy care centrifugal pump |
-
2006
- 2006-12-01 CN CN 200620048420 patent/CN200978835Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564707A (en) * | 2015-01-30 | 2015-04-29 | 朱海川 | Modular efficient maintenance-free bidirectional detachable universal centrifugal pump |
| CN107420346A (en) * | 2016-08-29 | 2017-12-01 | 青岛唯科泵业有限公司 | A kind of anti-lock self-lubricating easy care centrifugal pump |
| CN107420346B (en) * | 2016-08-29 | 2023-08-01 | 青岛唯科泵业有限公司 | Anti-lock self-lubricating easy-maintenance centrifugal pump |
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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: 20111201 |