CN213298304U - Single-stage single-suction centrifugal pump - Google Patents
Single-stage single-suction centrifugal pump Download PDFInfo
- Publication number
- CN213298304U CN213298304U CN202021109797.6U CN202021109797U CN213298304U CN 213298304 U CN213298304 U CN 213298304U CN 202021109797 U CN202021109797 U CN 202021109797U CN 213298304 U CN213298304 U CN 213298304U
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- fixedly connected
- centrifugal pump
- centimeters
- suction centrifugal
- pivot
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- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 230000009467 reduction Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 13
- 230000009471 action Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of mechanical equipment, and a single-stage single suction centrifugal pump is disclosed, comprising a base plate, the top fixedly connected with support of bottom plate, the top fixedly connected with motor of support, one side fixedly connected with shaft coupling of motor, one side fixedly connected with pivot of shaft coupling, the middle fixedly connected with axial force balanced structure of pivot, the one end fixedly connected with impeller of pivot, one side swing joint that the one end of pivot is located the impeller has the bearing, the outside fixedly connected with pump case of bearing, one side fixedly connected with protection casing of pump case. The single-stage single-suction centrifugal pump has the advantages that the angles of the fan blades and the rotating shaft are arranged, so that the force with the opposite direction and the same magnitude as the axial force generated when the centrifugal pump operates is formed to balance with the fan blades, and the vibration and the noise caused by the axial force in the operating process of the centrifugal pump are avoided.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, specifically be a centrifugal pump is singly inhaled to single-stage.
Background
The centrifugal pump is a pump which transfers liquid by the centrifugal force generated when the impeller rotates, and can be widely applied to the industries of electric power, metallurgy, coal, building materials and the like to transfer slurry containing solid particles.
However, the existing single-stage single-suction centrifugal pump still has some problems when in use, in the operation process of the centrifugal pump, liquid enters the impeller under low pressure and flows out under high pressure, so that the pressure on two sides of the impeller is uneven, thrust in the direction of the rotating shaft is generated, and the rotor generates axial movement to generate vibration and noise.
SUMMERY OF THE UTILITY MODEL
The centrifugal pump is inhaled to current single-stage list not enough, the utility model provides a centrifugal pump is inhaled to single-stage list possesses balanced axial force, weakens the advantage of vibration and noise, has solved the problem that above-mentioned background art provided.
The utility model provides a following technical scheme: the utility model provides a single-stage single suction centrifugal pump, includes the bottom plate, the top fixedly connected with support of bottom plate, the top fixedly connected with motor of support, one side fixedly connected with shaft coupling of motor, one side fixedly connected with pivot of shaft coupling, the middle fixedly connected with axial force balanced structure of pivot, the one end fixedly connected with impeller of pivot, the one end of pivot is located one side swing joint of impeller and is had the bearing, the outside fixedly connected with pump case of bearing, one side fixedly connected with protection casing of pump case, the one end swing joint of bearing has the leakage reduction ring, the top fixedly connected with pump outlet at the pump case back, one side fixedly connected with pump entry of pump case, one side fixedly connected with inlet tube of pump entry.
Preferably, the axial force balance structure comprises a fixing ring, and fan blades are fixedly connected to the outer side of the fixing ring.
Preferably, the number of the fan blades is five, and the thrust direction of the wind formed by the fan blades is from right to left.
Preferably, the diameter of the rotating shaft is two centimeters, and the inner diameter of the leakage reduction ring is two centimeters.
Preferably, the rotation direction of the impeller is counterclockwise rotation.
Preferably, the inner diameter of the bearing is two centimeters, the outer diameter of the bearing is four centimeters, and the outer diameter of the leakage reduction ring is five centimeters.
Preferably, the pump casing has a height of forty centimeters and the impeller has a diameter of thirty-five centimeters.
Preferably, the inner diameter of the fixing ring is two centimeters.
Preferably, the maximum diameter of the protective cover is forty centimeters, and the length of the fan blade is fifteen centimeters.
With current single-stage single suction centrifugal pump contrast, the utility model discloses possess following beneficial effect:
1. this single-stage single suction centrifugal pump through add in the pivot and establish axial force balancing unit, has avoided the centrifugal pump because vibration and noise that the axial force caused in the operation process to the centrifugal pump pivot that causes takes place to wear and tear the harmful results that make centrifugal pump life-span reduce.
2. The single-stage single-suction centrifugal pump drives the fan blades on the axial force balancing device to rotate through the rotating shaft when the rotating shaft rotates, and the angles of the fan blades and the rotating shaft are set, so that the force with the same magnitude and opposite direction with the axial force generated when the centrifugal pump operates is balanced with the fan blades, and the thrust opposite to the axial force of the centrifugal pump is effectively formed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic side view of the axial force balance structure of the present invention;
FIG. 3 is a schematic view of the overall appearance of the present invention;
fig. 4 is a front schematic view of the axial force balance structure of the present invention.
In the figure: 1. a base plate; 2. a support; 3. a motor; 4. a coupling; 5. a rotating shaft; 6. an axial force balance structure; 61. a fixing ring; 62. a fan blade; 7. an impeller; 8. a bearing; 9. a pump housing; 10. a protective cover; 11. a leakage reducing ring; 12. an outlet of the pump; 13. a pump inlet; 14. and (4) a water inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a single-stage single-suction centrifugal pump includes a bottom plate 1, a bracket 2 fixedly connected to a top end of the bottom plate 1, a motor 3 fixedly connected to a top end of the bracket 2, a coupling 4 fixedly connected to one side of the motor 3, and a rotating shaft 5 fixedly connected to one side of the coupling 4, and is characterized in that: the middle fixedly connected with axial force balanced structure 6 of pivot 5, the one end fixedly connected with impeller 7 of pivot 5, one side swing joint that the one end of pivot 5 is located impeller 7 has bearing 8, the outside fixedly connected with pump case 9 of bearing 8, one side fixedly connected with protection casing 10 of pump case 9, the one end swing joint of bearing 8 has the leakage reduction ring 11, the top fixedly connected with pump outlet 12 at the pump case 9 back, one side fixedly connected with pump inlet 13 of pump case 9, one side fixedly connected with inlet tube 14 of pump inlet 13.
Further, the axial force balance structure 6 comprises a fixed ring 61, and the outer side of the fixed ring 61 is fixedly connected with fan blades 62, so that the blades installed at a specific angle can generate thrust in the direction opposite to the internal pressure of the centrifugal pump in the process of rotating along with the rotating shaft 5.
Further, the number of the fan blades 62 is five, and the thrust direction of the wind formed by the fan blades 62 is from right to left, so that a sufficient reverse thrust formed by the fan blades 62 acts on the rotating shaft 5 to counteract the axial force of the centrifugal pump.
Further, the diameter of the rotating shaft 5 is two centimeters, and the inner diameter of the leakage reduction ring 11 is two centimeters, so that the leakage reduction ring 11 can be tightly attached to the outer edge of the rotating shaft 5, and the liquid is effectively prevented from leaking from the position of the rotating shaft 5.
Further, the rotation direction of the impeller 7 is counterclockwise rotation, so that the impeller 7 can pump the liquid in the pump housing 9 by generating a centrifugal force by the rotation.
Furthermore, the inner diameter of the bearing 8 is two centimeters, the outer diameter of the bearing 8 is four centimeters, and the outer diameter of the leakage reduction ring 11 is five centimeters, so that the rotating shaft can drive the impeller 7 inside the pump shell 9 to rotate, the pump shell 9 cannot rotate, and the leakage reduction ring 11 can effectively prevent liquid in the pump shell 9 from leaking from the position of the bearing 8.
Further, the height of the pump casing 9 is forty centimeters, and the diameter of the impeller 7 is thirty-five centimeters, so that the impeller 7 can rotate in the pump casing 9 without friction with the pump casing 9 to influence the rotating speed of the impeller 7.
Further, the inner diameter of the fixing ring 61 is two centimeters, so that the axial force balance structure 6 is adapted to the outer diameter of the rotating shaft 5, and can be effectively fixed in the middle of the rotating shaft 5 and rotate along with the rotating shaft 5.
Further, the maximum diameter of the enclosure 10 is forty centimeters and the length of the fan blades 62 is fifteen centimeters, so that the enclosure 10 can protect nearby workers from the fan blades 62, and the fan blades 62 can also rotate freely in the enclosure without friction.
The working principle is as follows: when in use, after the water inlet pipe 14 is connected to the position of the pump inlet 13, the pump shell 9 is filled with liquid to complete grouting, the situation that after the pump shell 9 is filled with gas and started, the central gas of the impeller 7 cannot generate enough vacuum degree at the position when being thrown to cause that the liquid in the groove cannot be sucked up is avoided, then the motor is started to drive the rotating shaft 5 to rotate, the impeller 7 is driven by the rotating shaft 5 to rotate, the liquid between the blades is acted, the liquid is thrown to the periphery from the center of the impeller 7 under the centrifugal action, when the liquid reaches the position of the pump outlet 12, the liquid with high flow rate is pumped out, the impeller 7 rotates at high speed to force the liquid at the central position of the impeller 7 to be thrown away at high speed, so that low pressure is formed at the center of the impeller, the liquid at one end of the water inlet pipe 14 is continuously sucked up from the source and enters the pump inlet 13 into the pump shell 9, because the air, then form the axial thrust from right to left, add after establishing axial force balanced structure 6, flabellum 62 carries out coaxial rotation under the drive of pivot 5, the angle of flabellum 62 installation makes and produces a thrust, and the same direction opposite with the thrust size that the centrifugal pump produced to offset the produced axial thrust of centrifugal pump during operation, thereby avoid the pivot to take place vibration and noise, reduce impeller 7, with the wearing and tearing of pump case 9 contact department, thereby influence the life of whole equipment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a single-stage single suction centrifugal pump, includes bottom plate (1), top fixedly connected with support (2) of bottom plate (1), top fixedly connected with motor (3) of support (2), one side fixedly connected with shaft coupling (4) of motor (3), one side fixedly connected with pivot (5) of shaft coupling (4), its characterized in that: the middle fixedly connected with axial force balanced structure (6) of pivot (5), the one end fixedly connected with impeller (7) of pivot (5), one side swing joint that the one end of pivot (5) is located impeller (7) has bearing (8), outside fixedly connected with pump case (9) of bearing (8), one side fixedly connected with protection casing (10) of pump case (9), the one end swing joint of bearing (8) has leakage reduction ring (11), the top fixedly connected with pump mouth (12) at the pump case (9) back, one side fixedly connected with pump entry (13) of pump case (9), one side fixedly connected with inlet tube (14) of pump entry (13).
2. A single stage, single suction centrifugal pump according to claim 1, wherein: the axial force balance structure (6) comprises a fixing ring (61), and fan blades (62) are fixedly connected to the outer side of the fixing ring (61).
3. A single stage, single suction centrifugal pump according to claim 2, wherein: the number of the fan blades (62) is five, and the thrust direction of wind formed by the fan blades (62) is from right to left.
4. A single stage, single suction centrifugal pump according to claim 1, wherein: the diameter of the rotating shaft (5) is two centimeters, and the inner diameter of the leakage reduction ring (11) is two centimeters.
5. A single stage, single suction centrifugal pump according to claim 1, wherein: the rotation direction of the impeller (7) is anticlockwise rotation.
6. A single stage, single suction centrifugal pump according to claim 1, wherein: the inner diameter of the bearing (8) is two centimeters, the outer diameter of the bearing is four centimeters, and the outer diameter of the leakage reducing ring (11) is five centimeters.
7. A single stage, single suction centrifugal pump according to claim 1, wherein: the height of the pump shell (9) is forty centimeters, and the diameter of the impeller (7) is thirty-five centimeters.
8. A single stage, single suction centrifugal pump according to claim 2, wherein: the inner diameter of the fixing ring (61) is two centimeters.
9. A single stage, single suction centrifugal pump according to claim 2, wherein: the maximum diameter of the protective cover (10) is forty centimeters, and the length of the fan blades (62) is fifteen centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021109797.6U CN213298304U (en) | 2020-06-16 | 2020-06-16 | Single-stage single-suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021109797.6U CN213298304U (en) | 2020-06-16 | 2020-06-16 | Single-stage single-suction centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213298304U true CN213298304U (en) | 2021-05-28 |
Family
ID=76017939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021109797.6U Expired - Fee Related CN213298304U (en) | 2020-06-16 | 2020-06-16 | Single-stage single-suction centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213298304U (en) |
-
2020
- 2020-06-16 CN CN202021109797.6U patent/CN213298304U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211009 Address after: 201506 room 257, building 4, No. 6558, Tingwei Road, Jinshan District, Shanghai Patentee after: Ruimi (Shanghai) Electromechanical Equipment Co.,Ltd. Address before: 464431 Wang Dian Xiang Yang Lou Cun, Huaibin County, Xinyang City, Henan Province Patentee before: Hu Xuegang |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |