CN204628100U - The anti-sway connection set of a kind of damping for long-shaft pump - Google Patents
The anti-sway connection set of a kind of damping for long-shaft pump Download PDFInfo
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- CN204628100U CN204628100U CN201520305890.7U CN201520305890U CN204628100U CN 204628100 U CN204628100 U CN 204628100U CN 201520305890 U CN201520305890 U CN 201520305890U CN 204628100 U CN204628100 U CN 204628100U
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- cutting ferrule
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- shaft
- spring
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Abstract
The utility model discloses the anti-sway connection set of a kind of damping for long-shaft pump, and it comprises outer cutting ferrule and interior cutting ferrule, and described outer cutting ferrule one end is provided with live axle interface, and the other end is provided with cutting ferrule groove; Described cutting ferrule groove is cruciform groove shape, and its center is provided with cylindrical groove; Described interior cutting ferrule one end is provided with impeller shaft interface, and the other end is provided with movable axis; Described movable axis end is provided with card leaf; Described card leaf is cross flange shape, and its center is provided with card rachis.Described card leaf is arranged in cutting ferrule groove; Described cutting ferrule groove end is provided with snap ring; Between described card leaf and cutting ferrule groove, radial direction is provided with radial spring, is axially provided with axle spring.It can reduce the vibrations and swing that produce when long-shaft pump runs, long-shaft pump is run more stable, longer service life.
Description
Technical field
The utility model relates to pump technology, is specifically related to the anti-sway connection set of a kind of damping for long-shaft pump.
Background technique
Long-shaft pump as a kind of approved product, because it has the features such as durable, easy to maintenance, in chemical industry, steel-making, medicine and other fields extensive application.In the various operation troubles of long-shaft pump, vibrate with long-shaft pump pump shaft the guide bearing excessive wear problem caused the most outstanding.Existing vertical long shaft pump generally adopts three guide bearings, is positioned at the upper, middle and lower of pump shaft, and lower guide bearing is positioned at impeller upper end, and impeller tip is unsettled.In theory, after the vertical installation of long-shaft pump, the radial force that guide bearing bears is very little, but due to non complete symmetry and the processing of long-shaft pump structure, the dynamic unbalance that the reasons such as assembling cause, simultaneously due to impeller High Rotation Speed under vacant state, increase the vibration of long-shaft pump pump shaft, thus wearing and tearing are in various degree caused to parts, reduce long-shaft pump working life, the stressing conditions relative complex of long-shaft pump pump shaft, not only there is moment of flexure moment of torsion, under larger liquid during the degree of depth, also has sizable axial force, simultaneously in the working procedure of pump, pump shaft also will be subject to the impact of various power, its intensity, vibration states etc. are directly connected to operation stability and the reliability of long-shaft pump, even determine working condition and the working life of whole pump.
Model utility content
For above problem, the utility model provides the anti-sway connection set of a kind of damping for long-shaft pump, and it can reduce the vibrations and swing that produce when long-shaft pump runs, long-shaft pump is run more stable, longer service life.
For realizing above object, the technical solution adopted in the utility model is: the anti-sway connection set of a kind of damping for long-shaft pump, it comprises outer cutting ferrule (41) and interior cutting ferrule (42), described outer cutting ferrule (41) one end is provided with live axle interface (411), and the other end is provided with cutting ferrule groove (413); Described cutting ferrule groove (413) is cruciform groove shape, and its center is provided with cylindrical groove (416); Described interior cutting ferrule (42) one end is provided with impeller shaft interface (421), and the other end is provided with movable axis (422); Described movable axis (422) end is provided with card leaf (423); Described card leaf (423) is for cross flange shape, and its center is provided with card rachis (428).Described card leaf (423) is arranged in cutting ferrule groove (413); Described cutting ferrule groove (413) end is provided with snap ring (43); Between described card leaf (423) and cutting ferrule groove (413), radial direction is provided with radial spring (45), is axially provided with axle spring (44).
Further, described cutting ferrule groove (413) madial wall is provided with outer cutting ferrule radial spring groove (414); Described card leaf (423) flange sidewall is provided with card leaf radial spring groove (425); Radial spring (45) is provided with between described card leaf radial spring groove (425) and outer cutting ferrule radial spring groove (414).
Further, described cutting ferrule groove (413) bottom centre is provided with wild card and overlaps axial spring groove (412); Described card leaf (423) center, front end is provided with interior cutting ferrule axle spring groove (424); Described wild card overlaps between axial spring groove (412) and interior cutting ferrule axle spring groove (424) and is provided with axle spring (44).
Further, described cutting ferrule groove (413) center is provided with positioning shaft (415); Described card leaf (423) center is provided with positioning hole (426); Described positioning shaft (415), through axle spring (44), is movably arranged in positioning hole (426).
Further, supported spring (46) is provided with between described card leaf (423) and snap ring (43).
Further, the blade end of described card leaf (423) is provided with damping cushion (427).
The beneficial effects of the utility model:
1, card leaf upper end of the present utility model is provided with axle spring, and lower end is provided with supported spring, effectively can absorb the axial force that impeller bears, and makes live axle and guide bearing run more stable, improves its working life.
2, in the utility model, between card leaf and cutting ferrule groove, radial direction is provided with radial spring, the moment distortion power produced when starting long-shaft pump instantaneously or stop long-shaft pump running at once can be reduced, prevent long shaft pump impeller and live axle from producing torsional deformation, ensure its operation stability.
3, card leaf blade end is provided with damping cushion; The impact of long shaft pump impeller swing on live axle can be reduced, in conjunction with axle spring, supported spring, long-shaft pump is run more steady, improve the working life of guide bearing, improve the usability of pump shaft, improve the working efficiency of long-shaft pump.
4, be provided with positioning shaft in outer cutting ferrule, coordinate with the positioning hole in interior cutting ferrule, ensure that coaxality when the utility model uses, more reliable and more stable when the utility model is used.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Shown in figure, numerical reference is expressed as: 3, impeller shaft, 8, live axle, 41, outer cutting ferrule, 42, interior cutting ferrule, 43, snap ring, 44, axle spring, 45, radial spring, 46, supported spring, 411, live axle interface, 412, wild card overlaps axial spring groove, 413, cutting ferrule groove, 414, outer cutting ferrule radial spring groove, 415, positioning shaft, 416, cylindrical groove, 421, impeller shaft interface, 422, movable axis, 423, card leaf, 424, interior cutting ferrule axle spring groove, 425, card leaf radial spring groove, 426, positioning hole, 427, damping cushion, 428, card rachis.
Embodiment
The technical solution of the utility model is understood better in order to make those skilled in the art; below in conjunction with accompanying drawing, the utility model is described in detail; the description of this part is only exemplary and explanatory, should not have any restriction to protection domain of the present utility model.
As shown in Figure 1-2, anatomical connectivity of the present utility model closes and is: the anti-sway connection set of a kind of damping for long-shaft pump, and it comprises outer cutting ferrule 41 and interior cutting ferrule 42, and described outer cutting ferrule 41 one end is provided with live axle interface 411, and the other end is provided with cutting ferrule groove 413; Described cutting ferrule groove 413 is cruciform groove shape, and its center is provided with cylindrical groove 416; Described interior cutting ferrule 42 one end is provided with impeller shaft interface 421, and the other end is provided with movable axis 422; Described movable axis 422 end is provided with card leaf 423; Described card leaf 423 is cross flange shape, and its center is provided with card rachis 428.Described card leaf 423 is arranged in cutting ferrule groove 413; Described cutting ferrule groove 413 end is provided with snap ring 43; Between described card leaf 423 and cutting ferrule groove 413, radial direction is provided with radial spring 45, is axially provided with axle spring 44.
Preferably, described cutting ferrule groove 413 madial wall is provided with outer cutting ferrule radial spring groove 414; Described card leaf 423 flange sidewall is provided with card leaf radial spring groove 425; Radial spring 45 is provided with between described card leaf radial spring groove 425 and outer cutting ferrule radial spring groove 414.
Preferably, described cutting ferrule groove 413 bottom centre is provided with wild card and overlaps axial spring groove 412; Center, described card leaf 423 front end is provided with interior cutting ferrule axle spring groove 424; Described wild card overlaps between axial spring groove 412 and interior cutting ferrule axle spring groove 424 and is provided with axle spring 44.
Preferably, described cutting ferrule groove 413 center is provided with positioning shaft 415; Described Ka Ye 423 center is provided with positioning hole 426; Described positioning shaft 415, through axle spring 44, is movably arranged in positioning hole 426.
Preferably, supported spring 46 is provided with between described card leaf 423 and snap ring 43.
Preferably, the blade end of described card leaf 423 is provided with damping cushion 427.
When the utility model specifically uses, live axle interface 411 of the present utility model is connected and fixed with the live axle 8 of long-shaft pump, impeller shaft interface 421 of the present utility model is connected and fixed with the impeller shaft 3 of long-shaft pump, starts long-shaft pump, normally use.
Principle: under larger liquid during the degree of depth, long-shaft pump pump shaft can be subject to sizable axial force, axial force can damage the guide bearing of fixing pump shaft, reduce its working life, simultaneously because long shaft pump impeller can produce unpredictable swing in the running, swing the impulse force produced and the whole pump shaft of long-shaft pump can be caused thereupon to swing, damage guide bearing, reduce the operation stability of long-shaft pump, reduce its working life; By installing the utility model device between long-shaft pump live axle 8 and impeller shaft 3, live axle 8 can be made to be subject to axial force impact that impeller bears, greatly reduces impeller simultaneously and swings the impact force impact produced, improve the operation stability of long-shaft pump.
Axle spring 44 in the utility model and supported spring 46 effectively can absorb the axial force that impeller bears, and can not damage again the guide bearing on live axle, more stable when also making the utility model run simultaneously; Eight radial springs 45 are provided with between cutting ferrule groove 413 and card leaf 423 in the utility model, when just startup long-shaft pump or stopping long-shaft pump operation at once, it effectively can play buffer function, prevent card leaf 423 and cutting ferrule groove 413 from instant shock occurring, produce and destroy, also prevent between live axle 8 and the impeller of long-shaft pump, producing moment torsional deformation power, cause pump shaft to be out of shape, reduce stability and the working life of pump.
In the utility model, card leaf 423 upper end is provided with axle spring 44, and lower end is provided with supported spring 46, and radial direction is provided with radial spring 45, and card leaf blade end is provided with damping cushion 427; The shaking force that impeller produces can sponge by this setting in a large number, ensure that the stability of live axle, extends the working life of guide bearing, makes long-shaft pump operation more stable and long service life.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise which key element, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Apply specific case herein to set forth principle of the present utility model and mode of execution, the explanation of above example just understands method of the present utility model and core concept thereof for helping.The above is only preferred implementation of the present utility model, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the prerequisite not departing from the utility model principle, some improvement, retouching or change can also be made, also above-mentioned technical characteristics can be combined by rights; These improve retouching, change or combination, or the design of model utility and technological scheme are directly applied to other occasion without improving, and all should be considered as protection domain of the present utility model.
Claims (6)
1. for the anti-sway connection set of damping of long-shaft pump, it comprises outer cutting ferrule (41) and interior cutting ferrule (42), it is characterized in that, described outer cutting ferrule (41) one end is provided with live axle interface (411), and the other end is provided with cutting ferrule groove (413); Described cutting ferrule groove (413) is cruciform groove shape, and its center is provided with cylindrical groove (416); Described interior cutting ferrule (42) one end is provided with impeller shaft interface (421), and the other end is provided with movable axis (422); Described movable axis (422) end is provided with card leaf (423); Described card leaf (423) is for cross flange shape, and its center is provided with card rachis (428); Described card leaf (423) is arranged in cutting ferrule groove (413); Described cutting ferrule groove (413) end is provided with snap ring (43); Between described card leaf (423) and cutting ferrule groove (413), radial direction is provided with radial spring (45), is axially provided with axle spring (44).
2. the anti-sway connection set of a kind of damping for long-shaft pump according to claim 1, is characterized in that, described cutting ferrule groove (413) madial wall is provided with outer cutting ferrule radial spring groove (414); Described card leaf (423) flange sidewall is provided with card leaf radial spring groove (425); Radial spring (45) is provided with between described card leaf radial spring groove (425) and outer cutting ferrule radial spring groove (414).
3. the anti-sway connection set of a kind of damping for long-shaft pump according to claim 1, is characterized in that, described cutting ferrule groove (413) bottom centre is provided with wild card and overlaps axial spring groove (412); Described card leaf (423) center, front end is provided with interior cutting ferrule axle spring groove (424); Described wild card overlaps between axial spring groove (412) and interior cutting ferrule axle spring groove (424) and is provided with axle spring (44).
4. the anti-sway connection set of a kind of damping for long-shaft pump according to claim 1, is characterized in that, described cutting ferrule groove (413) center is provided with positioning shaft (415); Described card leaf (423) center is provided with positioning hole (426); Described positioning shaft (415), through axle spring (44), is movably arranged in positioning hole (426).
5. the anti-sway connection set of a kind of damping for long-shaft pump according to claim 1, is characterized in that, is provided with supported spring (46) between described card leaf (423) and snap ring (43).
6. the anti-sway connection set of a kind of damping for long-shaft pump according to claim 1, is characterized in that, the blade end of described card leaf (423) is provided with damping cushion (427).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305890.7U CN204628100U (en) | 2015-05-13 | 2015-05-13 | The anti-sway connection set of a kind of damping for long-shaft pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305890.7U CN204628100U (en) | 2015-05-13 | 2015-05-13 | The anti-sway connection set of a kind of damping for long-shaft pump |
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| Publication Number | Publication Date |
|---|---|
| CN204628100U true CN204628100U (en) | 2015-09-09 |
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| CN201520305890.7U Active CN204628100U (en) | 2015-05-13 | 2015-05-13 | The anti-sway connection set of a kind of damping for long-shaft pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110128A1 (en) * | 2020-11-30 | 2022-06-02 | 镇江福泰克流体技术有限公司 | Connecting structure of long-shaft submerged pump with damping capacity |
-
2015
- 2015-05-13 CN CN201520305890.7U patent/CN204628100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110128A1 (en) * | 2020-11-30 | 2022-06-02 | 镇江福泰克流体技术有限公司 | Connecting structure of long-shaft submerged pump with damping capacity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230615 Address after: No. 31 Huancheng South Road, Zhongguan Town, Deqing County, Huzhou City, Zhejiang Province, 313000 Patentee after: Zhejiang Nanfang Pump Industry Co.,Ltd. Address before: Guoshun Science Park, No. 27, Nan'er Road, Changsha Economic Development Zone, Hunan 410004 Patentee before: HUNAN NANFANG CHANGHE PUMP INDUSTRY CO.,LTD. |
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| TR01 | Transfer of patent right |