CN205618382U - Directly ally oneself with centrifugal pump of horizontal axis - Google Patents
Directly ally oneself with centrifugal pump of horizontal axis Download PDFInfo
- Publication number
- CN205618382U CN205618382U CN201620282361.4U CN201620282361U CN205618382U CN 205618382 U CN205618382 U CN 205618382U CN 201620282361 U CN201620282361 U CN 201620282361U CN 205618382 U CN205618382 U CN 205618382U
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- Prior art keywords
- pump
- cover
- impeller
- motor
- pump housing
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Abstract
The utility model discloses a directly ally oneself with centrifugal pump of horizontal axis, including the pump body, impeller, pump cover, motor shaft, motor, sealing mechanism, base, seal structure include O type sealing washer, and middle transmission's structure owing to motor and pump directly ally oneself with, has been simplified to mechanical seal, seal ring and end cover, has strengthened the stability of operation to lacked 30% than ordinary horizontal pump area, the bearing seal adopts carbide mechanical seal, longe -lived and have that the noise is low, easy maintenance, vibrates for a short time.
Description
Technical field
This utility model relates to a kind of centrifugal pump, particularly to a kind of direct connection centrifugal pump of horizontal axis.
Background technology
Centrifugal pump utilizes impeller to rotate and make water generation centrifugal motion carry out work.Water pump is before activation, it is necessary to is full of water in making pump case and suction hose, then starts motor, make pump shaft impeller and water do high speed rotary motion, water generation centrifugal motion, be thrown toward impeller outer edge, through the setting-out pipeline of the runner inflow water pump of volute pump case.
Centrifugal pump can be widely used for the industry conveyings such as electric power, metallurgy, coal, the building materials slurry containing solid particle.Such as thermal power plant's hydraulic(-ash) sluicing, technics of metallurgy mineral dressing factory pulp conveying, coal washery coal slurry and dense medium conveying etc..Present centrifugal pump, during using, owing to the structure of pump body is complicated, needs to be carried out the connection of the pump housing and motor by multiple drive mechanisms, is unfavorable for the stable of machine, and floor space is big, is unfavorable for installing and using.
It addition, along with industrial expansion, people have the highest requirement for the sealing property of centrifugal pump, service life and environmental-protecting performance.
Utility model content
For overcoming the defect of prior art, the purpose of this utility model is a kind of direct connection centrifugal pump of horizontal axis provided, due to motor and pump direct connection, simplify the structure of intermediate transmission, enhance the stability of operation, and fewer than common horizontal pump floor space 30%, axle envelope uses hard alloy mechanical to seal, life-span length and to have noise low, easy to maintenance, vibrates little.
This utility model solves technical problem and adopts the following technical scheme that
A kind of direct connection centrifugal pump of horizontal axis, including the pump housing, impeller, pump cover, motor shaft, motor, sealing mechanism, base, described pump housing side is provided with water inlet, is provided with the first fixed plate, is provided with fixing hole bottom described first fixed plate outside described water inlet, described pump housing top is provided with outlet, being provided with the second fixed plate outside described outlet, described second fixed plate side is provided with fixing hole, and the described pump housing realizes the connection of water inlet and inlet channel, outlet and outlet conduit by fixing hole；Described pump housing side connects pump cover, and described pump cover is provided with fixing hole, coordinates fixing hole to realize being connected with the pump housing by bolt and nut, described pump cover is provided with fixing clamping block, described fixing clamping block structure ringwise, is connected to described pump body, described pump body is provided with working chamber
Described impeller in described working chamber in being vertically arranged, connect on described impeller and have impeller axle, described impeller axle top is fixed on described impeller central position through acorn nut, described impeller shaft end is provided with fit body, described fit body and described impeller axle are integral type structure, the cylindrical structure of described shrink-fit structure, described fit body is linked in outside described motor shaft, described fit body is provided with hole, many group location, often group has hole, two location, hole, described location is arranged on the sidewall of described fit body, described location is provided with screw in hole, the connection of impeller axle and motor shaft is realized by screw being hammered into hole, location and motor shaft, described motor shaft end connects described motor；
Described sealing structure includes O RunddichtringO, mechanical seal, seal washer and end cover, and described O RunddichtringO is linked in outside the fixing clamping block of described pump cover, is fixed on described pump cover and described pump housing junction, it is achieved being tightly connected between pump cover and the pump housing；Described mechanical seal, seal washer and end cover are respectively positioned on described impeller axle and described pump cover junction, all it is linked on described impeller axle, mechanical seal, seal washer, end cover outwards it is followed successively by from pump body, described end cover is ring type structure, its top and bottom is all welded to connect with described pump cover, being provided with annular groove inside described end cover, described seal washer is arranged at inside described ring groove, and described seal washer cross section is of an L-shaped structure；Described mechanical seal structure ringwise, is positioned at impeller one end, and described mechanical seal one end is pressed together on described seal washer；
It is provided with center rest between described motor and described pump cover, described center rest bag the first gripper shoe and the second gripper shoe, described first gripper shoe quantity is one, plate body structure ringwise, described first gripper shoe is attached with described motor by bolt, and described second gripper shoe quantity is two, in horizontally set, being distributed up and down, described second gripper shoe one end welding pump cover, the other end is welded to connect with described first gripper shoe；
Described base is provided with the first fixed station and the second fixed station, is fixed on the first fixed station by bolt and nut bottom the described pump housing, and described motor bottom is fixed on the second fixed station by bolt and nut.
Above-mentioned a kind of direct connection centrifugal pump of horizontal axis, wherein, described first fixed station height is less than the second fixed station.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, use special pump body design, be provided with fixed plate structure at outlet and water inlet, by the fixing hole in fixed plate, Flange joint can be carried out with water inlet pipe and water outlet pipe, it is easy to fixing of pipeline, install simple, easy to operate, improve and connect reliability.
2, special leaf hub designs, the fit body that its end is unique, can effectively fix motor shaft by hole, multiple location, eliminate multiple drive mechanisms between general centrifugal pump shaft and motor, it is achieved in motor and pump direct connection, fewer than common horizontal pump floor space 30%, save the area resource, simple in construction, reasonable in design, avoid the frequent maintenance that too much connecting gear causes, improve service life.
3, use novel seal mechanism to arrange, matched by multiple black box, it is achieved multi-sealed.Use specially designed pump cover, the fixing clamping block of design annular on pump cover, is connected to pump body by fixing caking block, and at the outside fit O RunddichtringO of fixing clamping block, o RunddichtringO is fixed on pump cover and pump housing junction, can effectively realize being tightly connected between pump cover and the pump housing.And impeller axle and pump cover junction use triple seal, pump body is outwards followed successively by mechanical seal, seal washer, end cover, dynamic sealing action is ensured by mechanical seal, the current in water pump spiral casing are avoided to flow out water pump by pump shaft, in outermost, end cover ensures that external dust granule does not enter pump body, play sealing effectiveness；Seal washer, between end cover and mechanical seal, while being entrenched in the annular groove of end cover, by mechanical seal to its pressing, it is ensured that sealing property, accomplishes triple seal effect.Increase substantially centrifugal pump seal performance.
4, unique design center rest between motor and pump cover, by coordinating of the first fixed plate and the second fixed plate, strengthens the stability of the pump housing and motor, reduces centrifugal pump vibration in use, reduce noise, reduce noise pollution, enhancing ring guaranteed cost.
Accompanying drawing explanation
Fig. 1 is this utility model profile.
Fig. 2 is this utility model sealing mechanism enlarged drawing.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment
A kind of direct connection centrifugal pump of horizontal axis, including the pump housing 1, impeller 2, pump cover 3, motor shaft 4, motor 5, sealing mechanism 6, base 7, the described pump housing 1 side is provided with water inlet 11, described water inlet 11 is outside is provided with the first fixed plate 12, it is provided with fixing hole 8 bottom described first fixed plate 12, the described pump housing 1 top is provided with outlet 13, described outlet 13 is outside is provided with the second fixed plate 14, described second fixed plate 14 side is provided with fixing hole 8, and the described pump housing 1 realizes water inlet 11 and inlet channel, outlet 13 and the connection of outlet conduit by fixing hole 8；The described pump housing 1 side connects pump cover 3, described pump cover 3 is provided with fixing hole 8, fixing hole 8 is coordinated to realize being connected with the pump housing 1 by bolt and nut, described pump cover 3 is provided with fixing clamping block 31, described fixing clamping block 31 structure ringwise, being connected to the described pump housing 1 internal, the described pump housing 1 is internal is provided with working chamber 15
nullDescribed impeller 2 in described working chamber 15 in being vertically arranged，Connect on described impeller 2 and have impeller axle 21，Described impeller axle 21 top is fixed on described impeller 2 center through acorn nut 23，Described impeller axle 21 end is provided with fit body 22，Described fit body 22 is integral type structure with described impeller axle 21，The described cylindrical structure of shrink-fit structure 22，It is outside that described fit body 22 is linked in described motor shaft 4，Described fit body 22 is provided with hole 24, many group location，Often group has hole 241, two location，Hole, described location 241 is arranged on the sidewall of described fit body 22，It is provided with screw 25 in hole, described location 241，By screw 25 being hammered into hole 241, location and motor shaft 4 realizes the connection of impeller axle 21 and motor shaft 4，Described motor shaft 4 end connects described motor 5；
Described sealing structure 6 includes O RunddichtringO 61, mechanical seal 62, seal washer 63 and end cover 64, the fixing clamping block 31 that described O RunddichtringO 61 is linked in described pump cover 3 is outside, is fixed on described pump cover 3 and the described pump housing 1 junction, it is achieved being tightly connected between pump cover 3 and the pump housing 1；Described mechanical seal 62, seal washer 63 and end cover 64 are respectively positioned on described impeller axle 21 and described pump cover 3 junction, all it is linked on described impeller axle 21, mechanical seal 62, seal washer 63, end cover 64 outwards it is followed successively by from the pump housing 1 inside, described end cover 64 is in ring type structure, its top and bottom is all welded to connect with described pump cover 1, described end cover 64 is internal is provided with annular groove 641, it is internal that described seal washer 63 is arranged at described ring groove 641, and described seal washer 63 cross section is of an L-shaped structure；Described mechanical seal 62 structure ringwise, is positioned at impeller 2 one end, and described mechanical seal 62 one end is pressed together on described seal washer 63；
It is provided with center rest 9 between described motor 5 and described pump cover 3, described center rest 9 wraps the first gripper shoe 91 and the second gripper shoe 92, described first gripper shoe 91 quantity is one, plate body structure ringwise, described first gripper shoe 91 is attached with described motor 5 by bolt, and described second gripper shoe 92 quantity is two, in horizontally set, being distributed up and down, described second gripper shoe 92 one end welding pump cover 3, the other end is welded to connect with described first gripper shoe 91；
Described base 7 is provided with the first fixed station 71 and the second fixed station 72, is fixed on the first fixed station 71 by bolt and nut, is fixed on the second fixed station 72 by bolt and nut bottom described motor 5 bottom the described pump housing 1.
Above-mentioned a kind of direct connection centrifugal pump of horizontal axis, wherein, described first fixed station 71 height is less than the second fixed station 72.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, use special pump body design, be provided with fixed plate structure at outlet and water inlet, by the fixing hole in fixed plate, Flange joint can be carried out with water inlet pipe and water outlet pipe, it is easy to fixing of pipeline, install simple, easy to operate, improve and connect reliability.
2, special leaf hub designs, the fit body that its end is unique, can effectively fix motor shaft by hole, multiple location, eliminate multiple drive mechanisms between general centrifugal pump shaft and motor, it is achieved in motor and pump direct connection, fewer than common horizontal pump floor space 30%, save the area resource, simple in construction, reasonable in design, avoid the frequent maintenance that too much connecting gear causes, improve service life.
3, use novel seal mechanism to arrange, matched by multiple black box, it is achieved multi-sealed.Use specially designed pump cover, the fixing clamping block of design annular on pump cover, is connected to pump body by fixing caking block, and at the outside fit O RunddichtringO of fixing clamping block, o RunddichtringO is fixed on pump cover and pump housing junction, can effectively realize being tightly connected between pump cover and the pump housing.And impeller axle and pump cover junction use triple seal, pump body is outwards followed successively by mechanical seal, seal washer, end cover, dynamic sealing action is ensured by mechanical seal, the current in water pump spiral casing are avoided to flow out water pump by pump shaft, in outermost, end cover ensures that external dust granule does not enter pump body, play sealing effectiveness；Seal washer, between end cover and mechanical seal, while being entrenched in the annular groove of end cover, by mechanical seal to its pressing, it is ensured that sealing property, accomplishes triple seal effect.Increase substantially centrifugal pump seal performance.
4, unique design center rest between motor and pump cover, by coordinating of the first fixed plate and the second fixed plate, reduces centrifugal pump vibration in use, reduces noise.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (2)
1. a direct connection centrifugal pump of horizontal axis, it is characterized in that, including the pump housing, impeller, pump cover, motor shaft, motor, sealing mechanism, base, described pump housing side is provided with water inlet, the first fixed plate it is provided with outside described water inlet, it is provided with fixing hole bottom described first fixed plate, described pump housing top is provided with outlet, the second fixed plate it is provided with outside described outlet, described second fixed plate side is provided with fixing hole, and the described pump housing realizes the connection of water inlet and inlet channel, outlet and outlet conduit by fixing hole；Described pump housing side connects pump cover, and described pump cover is provided with fixing hole, coordinates fixing hole to realize being connected with the pump housing by bolt and nut, described pump cover is provided with fixing clamping block, described fixing clamping block structure ringwise, is connected to described pump body, described pump body is provided with working chamber
Described impeller in described working chamber in being vertically arranged, connect on described impeller and have impeller axle, described impeller axle top is fixed on described impeller central position through acorn nut, described impeller shaft end is provided with fit body, described fit body and described impeller axle are integral type structure, the cylindrical structure of described shrink-fit structure, described fit body is linked in outside described motor shaft, described fit body is provided with hole, many group location, often group has hole, two location, hole, described location is arranged on the sidewall of described fit body, described location is provided with screw in hole, the connection of impeller axle and motor shaft is realized by screw being hammered into hole, location and motor shaft, described motor shaft end connects described motor；
Described sealing structure includes O RunddichtringO, mechanical seal, seal washer and end cover, and described O RunddichtringO is linked in outside the fixing clamping block of described pump cover, is fixed on described pump cover and described pump housing junction, it is achieved being tightly connected between pump cover and the pump housing；Described mechanical seal, seal washer and end cover are respectively positioned on described impeller axle and described pump cover junction, all it is linked on described impeller axle, mechanical seal, seal washer, end cover outwards it is followed successively by from pump body, described end cover is ring type structure, its top and bottom is all welded to connect with described pump cover, being provided with annular groove inside described end cover, described seal washer is arranged at inside described ring groove, and described seal washer cross section is of an L-shaped structure；Described mechanical seal structure ringwise, is positioned at impeller one end, and described mechanical seal one end is pressed together on described seal washer；
It is provided with center rest between described motor and described pump cover, described center rest bag the first gripper shoe and the second gripper shoe, described first gripper shoe quantity is one, plate body structure ringwise, described first gripper shoe is attached with described motor by bolt, and described second gripper shoe quantity is two, in horizontally set, being distributed up and down, described second gripper shoe one end welding pump cover, the other end is welded to connect with described first gripper shoe；
Described base is provided with the first fixed station and the second fixed station, is fixed on the first fixed station by bolt and nut bottom the described pump housing, and described motor bottom is fixed on the second fixed station by bolt and nut.
A kind of direct connection centrifugal pump of horizontal axis the most according to claim 1, it is characterised in that described first fixed station height is less than the second fixed station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282361.4U CN205618382U (en) | 2016-04-07 | 2016-04-07 | Directly ally oneself with centrifugal pump of horizontal axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282361.4U CN205618382U (en) | 2016-04-07 | 2016-04-07 | Directly ally oneself with centrifugal pump of horizontal axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618382U true CN205618382U (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620282361.4U Expired - Fee Related CN205618382U (en) | 2016-04-07 | 2016-04-07 | Directly ally oneself with centrifugal pump of horizontal axis |
Country Status (1)
| Country | Link |
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| CN (1) | CN205618382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736394A (en) * | 2016-04-07 | 2016-07-06 | 镇江江大泵业科技有限公司 | Directly-connected horizontal type centrifugal pump |
-
2016
- 2016-04-07 CN CN201620282361.4U patent/CN205618382U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736394A (en) * | 2016-04-07 | 2016-07-06 | 镇江江大泵业科技有限公司 | Directly-connected horizontal type centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212013 No. 69, Heng Garden Road, Dantu Industrial Park, Jiangsu, Zhenjiang, China Patentee after: Jiangsu HENGWEI fluid technology Limited by Share Ltd Address before: 212013 No. 69, Heng Garden Road, Dantu Industrial Park, Jiangsu, Zhenjiang, China Patentee before: Zhenjiang Great Pump Co., Ltd. |
|
| 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: 20161005 Termination date: 20180407 |