CN205478554U - Horizontal single -stage double entry pump - Google Patents
Horizontal single -stage double entry pump Download PDFInfo
- Publication number
- CN205478554U CN205478554U CN201620216682.4U CN201620216682U CN205478554U CN 205478554 U CN205478554 U CN 205478554U CN 201620216682 U CN201620216682 U CN 201620216682U CN 205478554 U CN205478554 U CN 205478554U
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- China
- Prior art keywords
- pump housing
- pump body
- impeller
- axle
- pump
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Abstract
Horizontal single -stage double entry pump, base (1) top fixed pump body (8), the pump body (8) upper portion installation top cap (6, )The pump body (8) and top cap (6) inner chamber cavity just all is volute -shaped, the pump body (8) and top cap (6) middle part is downward or upwards salient respectively, install in the cavity between the pump body (8) and top cap (6) impeller (7), impeller (7) axis and the coincidence of the pump body (8) and top cap (6) axis, the bottom has water carrying chamber (9) in impeller (7) bearing structure's periphery in the pump body (8), the outer wall installation of the pump body (8) one side is passed to axle (3) level, and axle (3) is perpendicular with impeller (7) axis, water carrying chamber (9) upper portion is passed through the pump body (8) outer wall symmetry and is fixed with water inlet and delivery port on same water flat line, this water flat line is perpendicular with axle (3). Checksum easy maintenance does not have the axial force, does benefit to arranging and installing of the pump body and business turn over water pipe, move more steady, energy -conserving silence, stability safe in utilization.
Description
Technical field
This utility model relates to the structure improvement technology of pump equipment device, especially horizontal single-stage double entry pump.
Background technology
At present, double entry pump is as a kind of important form of centrifugal pump, because it has the features such as lift is high, flow is big, in engineering
In be used widely.The impeller of this pump-type is actually combined by two back-to-back impellers, the water flowed out from impeller
Stream imports in a spiral case.Power plant's open and close type cooling water commonly uses double entry pump circulation conveying, owing to working strength is big and opens and closes frequency
Numerous, double entry pump breaks down and directly affects production, in two prior aries, owing to double suction pump structure fails to optimize so that pump
Body breaks down when needing maintenance, even if changing a simple part, it is also necessary to disassemble pump case completely, and separation to be discharged
Pipeline, is so all inconvenient for for installing and safeguarding.
Utility model content
The purpose of this utility model is to provide horizontal single-stage double entry pump, the drawbacks described above existed with customer service prior art.
The purpose of this utility model will be realized by techniques below measure: includes base, axle, top cover, impeller, the pump housing
With water cavity excessively；The base pump housing fixed above, top cover, the pump housing and top cover inner chamber hollow and all in spiral case are installed in pump housing top
In the middle part of shape, the pump housing and top cover separately down or protruding upward, impeller is arranged in the cavity between the pump housing and top cover, leaf
Wheel axis overlaps with the pump housing and top cover axis, and pump housing inner bottom part is in the outer water cavity that was with of impeller supporting construction, axle level
Install through pump housing side outer wall, and axle is vertical with impeller axis, cross water cavity top and fixed by pump housing outer wall symmetry
Having water inlet in the same horizontal line and outlet, this horizontal line is square with the axis.
Especially, there is extension at axle two ends through pump housing outer wall, are fixed on pump after being set with bearing on this extension
On external wall.
Especially, axle 3 two ends are installed through pump housing outer wall position and are sealed bearing shell.
Advantage of the present utility model and effect: top cover and pump body mounting structure are reasonable, and inspection and maintenance is convenient, meanwhile, leaf
Wheel construction is symmetrical, does not has axial force, and entery and delivery port in the same direction and is perpendicular to pump shaft, beneficially the pump housing and water inlet pipe and water outlet pipe
Layout and installation；Run relatively steady, energy-saving mute, use safety and stability.
Accompanying drawing explanation
Fig. 1 is this utility model embodiment 1 structural representation.
Reference includes:
Base 1, axle 3, bearing 4, sealing bearing shell 5, top cover 6, impeller 7, the pump housing 8, excessively water cavity 9.
Detailed description of the invention
This utility model includes: base 1, axle 3, top cover 6, impeller 7, the pump housing 8 and mistake water cavity 9.
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1: as shown in Figure 1, base 1 pump housing fixed above 8, top cover 6, the pump housing 8 and top are installed in the pump housing 8 top
Covering 6 inner chamber hollows and all in scroll casing shape, impeller 7 is arranged on pump in the middle part of the pump housing 8 and top cover 6 separately down or protruding upward
In cavity between body 8 and top cover 6, impeller 7 axis overlaps with the pump housing 8 and top cover 6 axis, and the pump housing 8 inner bottom part is at impeller 7
The outer water cavity 9 that was with of supporting construction, axle 3 is installed horizontal through the pump housing 8 side outer wall, and axle 3 hangs down with impeller 7 axis
Directly, cross water cavity 9 top and be symmetrically fixed with water inlet in the same horizontal line and outlet by the pump housing 8 outer wall, this water
Horizontal line is vertical with axle 3.
In aforementioned, there is extension at axle 3 two ends through the pump housing 8 outer wall, solid after being set with bearing 4 on this extension
It is scheduled on the pump housing 8 outer wall.
In aforementioned, axle 3 two ends are installed through the pump housing 8 outer wall position and are sealed bearing shell 5.
In aforementioned, double suction sealing ring is installed between the pump housing 8 and top cover 6.
In aforementioned, base 1 has the feature of impact resistance, good toughness, Portable durable, axle 3 rigidity for weldable steel seat
Good, convenient commutation, operate steadily, novel structure.Bearing 4 tail end passes through positioning key mounting sleeve and lining,
Seal No leakage, fixing reliable, easy accessibility.Impeller 7 is double-entry impeller, makes axial force be attenuated to minimum.
The pump housing 8 is double volute type, has weakened radial force, and bearing 4 stress reduces, and service life extends.
In this utility model, the top cover 6 driveing the pump housing 8 by bottom and top in horizontal type structure pump case level is constituted, and sucks
Mouth and discharge opening are horizontal direction, and on the pump housing 8 below axle 3, constitute leaf between the pump housing 8 and top cover 6
The operating room of wheel 7, opens the top cover 6 of top, it may not be necessary to discharge line and motor, and keeps away during maintenance
Exempt from dismounting water inlet, according to improving efficiency needs, the shape of impeller 7 can be improved further, want adapting to different operating mode
Ask.
When this utility model normally works, in the case of inlet pressure is constant, outlet pressure is constant, conveniently carry out and
Time maintenance.The single-suction (single-in let) impeller being equivalent to two same diameter works simultaneously, can increase in same impeller outer diameter down-off and be twice；
Inspection and maintenance is convenient, and meanwhile, double entry pump is imported and exported in the same direction and is perpendicular to pump shaft, beneficially pump and water inlet pipe and water outlet pipe
Arrange and install；The blade wheel structure of double entry pump is symmetrical, does not has axial force, runs more steady.
Claims (3)
1. horizontal single-stage double entry pump, including base (1), axle (3), top cover (6), impeller (7), the pump housing (8)
With water cavity (9) excessively；It is characterized in that, base (1) pump housing fixed above (8), top is installed on the pump housing (8) top
Cover (6) pump housing (8) and top cover (6) inner chamber hollow and all in scroll casing shape, the pump housing (8) and top cover (6) middle part
Separately down or protruding upward, impeller (7) is arranged in the cavity between the pump housing (8) and top cover (6), impeller (7)
Axis overlaps with the pump housing (8) and top cover (6) axis, and the pump housing (8) inner bottom part is outside impeller (7) supporting construction
Being with water cavity (9), axle (3) is installed horizontal through the pump housing (8) side outer wall, and axle (3) and impeller (7)
Axis is vertical, crosses water cavity (9) top and is symmetrically fixed with water inlet in the same horizontal line by the pump housing (8) outer wall
And outlet, this horizontal line is vertical with axle (3).
2. horizontal single-stage double entry pump as claimed in claim 1, it is characterised in that axle (3) two ends pass the pump housing (8)
Outer wall has extension, is fixed on the pump housing (8) outer wall on this extension after being set with bearing (4).
3. horizontal single-stage double entry pump as claimed in claim 1, it is characterised in that axle (3) two ends pass the pump housing (8)
Outer wall position is installed and is sealed bearing shell (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216682.4U CN205478554U (en) | 2016-03-21 | 2016-03-21 | Horizontal single -stage double entry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216682.4U CN205478554U (en) | 2016-03-21 | 2016-03-21 | Horizontal single -stage double entry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478554U true CN205478554U (en) | 2016-08-17 |
Family
ID=56655103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620216682.4U Active CN205478554U (en) | 2016-03-21 | 2016-03-21 | Horizontal single -stage double entry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562481A (en) * | 2022-01-14 | 2022-05-31 | 大连双龙泵业集团有限公司 | Single-stage middle-opened volute type double-suction centrifugal pump and cavity machining process thereof |
-
2016
- 2016-03-21 CN CN201620216682.4U patent/CN205478554U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562481A (en) * | 2022-01-14 | 2022-05-31 | 大连双龙泵业集团有限公司 | Single-stage middle-opened volute type double-suction centrifugal pump and cavity machining process thereof |
| CN114562481B (en) * | 2022-01-14 | 2024-01-09 | 大连双龙泵业集团有限公司 | Single-stage middle-opening volute type double-suction centrifugal pump cavity machining process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |