CN206129677U - Connection structure of submerged pump sectional type major axis - Google Patents
Connection structure of submerged pump sectional type major axis Download PDFInfo
- Publication number
- CN206129677U CN206129677U CN201621016731.6U CN201621016731U CN206129677U CN 206129677 U CN206129677 U CN 206129677U CN 201621016731 U CN201621016731 U CN 201621016731U CN 206129677 U CN206129677 U CN 206129677U
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- major axis
- stagewise
- axle
- axle sleeve
- sectional type
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Abstract
The utility model relates to a connection structure of submerged pump sectional type major axis for connect two sectional type major axis, connection structure including dividing half cutting ferrule and axle sleeve, the axle head of two sectional type major axis of half ferrule connection of branch to two sectional type major axis of axial fixity, the axle sleeve cover establish on the sectional type major axis of two connections, all processing has along axial axle key on two sectional type major axis, the axle sleeve inboard be equipped with the axle key groove of matcing with the axle key. Compared with the prior art, the utility model discloses novel structure, compactness, easy dismounting, the installation time of effectual reduction equipment improves the installation accuracy, reduces the axial accumulated error of segmentation axle, has strengthened the operation reliability of pump to the extension life cycle.
Description
Technical field
This utility model is related to a kind of attachment structure, more particularly, to a kind of attachment structure of submerged pump stagewise major axis.
Background technology
Submerged pump is widely used in electric power, chemical industry, sewage disposal, fire-fighting, condensation recovery system, harbour shipment and the system that unloads
The various fields such as system, agricultural irrigation.Typically drive submerged pump by shaft coupling and major axis to carry out medium by driving equipment
Conveying.The safety of submerged pump and operation be directly connected to whole application system can normal operation, so for pumping unit can
There is higher requirement by property, availability, installation, operation, maintenance.The critical component shaft coupling of its stagewise major axis connection is all
It is rigidly connected, it is desirable to meet moment of torsion transmission, while impact again to dielectrically impeded flowing is minimum, and installs and dismantle
It is convenient, fast.
The connection of submerged pump power transmission shaft is threaded connection etc. and is rigidly connected.But, when when high-temperature medium is conveyed, with spiral shell
The rigid connecting shaft of stricture of vagina connection is enclosed within after being expanded with heat and contract with cold, and is screwed face and is easily engaged, the difficulty of increase maintenance dismounting.
Utility model content
The purpose of this utility model is exactly the defect in order to overcome above-mentioned prior art to exist and provides a kind of submerged pump point
The attachment structure of segmentation major axis.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of attachment structure of submerged pump stagewise major axis, for connecting two stagewise major axis, described attachment structure
Including split-half sleeve and axle sleeve, described split-half sleeve connects the shaft end of two stagewise major axis, and two segmentations of axial restraint
Formula major axis, described axle sleeve is set on the stagewise major axis of two connections, is machined with along axle on two stagewise major axis
To axle key, described axle sleeve inner side is provided with the shaft key groove matched with axle key.
Wherein the end of the axle key on a stagewise major axis is provided with the positive stop lug boss for positioning shaft sleeve.
Be provided with positive stop lug boss axle key inclined from top to stagewise major axis.
Screwed hole is additionally provided with described axle sleeve, when axle sleeve is set on two stagewise major axis and positions, by spiral shell
Pit is screwed into holding screw, realizes the axial restraint of axle sleeve and stagewise major axis.
Distinguish inwardly projecting formation tight lock part, two described stagewise major axis in the upper and lower ends portion of described split-half sleeve
Shaft end be placed in split-half sleeve, respectively by upper and lower ends tight lock part pin and axial restraint.
In this utility model, the external diameter of stagewise major axis can adopt same diameter, but at the two ends of axle, particularly and axle sleeve
The part being connected, will make according to the machining accuracy for coordinating.Wherein, the axle key of axle sleeve is accessed afterwards will suitably be lengthened, in axle
The top of key can design certain gradient, be easy to axle sleeve to assemble, and in the end of axle key positive stop lug boss can be designed, cleverly spacing
The position location of axle sleeve, is then screwed into holding screw by axle sleeve upper screwed hole, prevents the axial float of axle sleeve.Two segmentations
The spindle nose of formula major axis is connected by a kind of split-half sleeve, simple structure, it is easy to couple together two axles, effectively eliminates axially
Installation cumulative errors.The design structure is compact, parts machining process is simple, easily operated, effectively reduces device context
Assembling and repair time, security reliability is high.
Compared with prior art, this utility model has advantages below:
(1) being rigidly connected for stagewise major axis is directed to, two major axis axles are positioned by split-half sleeve connection, stagewise major axis
Key transmitting torque is designed as, by the axle sleeve with shaft key groove of certain wall thickness come transmitting torque, while and defining connecting shaft
Split-half sleeve.Structure is novel, compact, easy accessibility, effectively reduces the set-up time of equipment, improves and installs degree of accuracy, reduces
The axial cumulative errors of segmentation axle, enhance the operating reliability of pump, and extend usage cycles.
(2) it is more practical in the application scenario of conveying high-temperature medium, effectively avoid axle existing with being engaged for connecting bushing
As.
Description of the drawings
Fig. 1 is structural representation of the present utility model;
In figure, 1- the first stagewise major axis, 2- the second stagewise major axis, 3- split-half sleeves, 4- axle sleeves, the axle keys of 5- first,
The axle keys of 6- second, 7- holding screws.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in detail with specific embodiment.
Embodiment 1
A kind of attachment structure of submerged pump stagewise major axis, for connecting two stagewise major axis, its structure such as Fig. 1 institutes
Show.Described attachment structure includes the first stagewise major axis 1, the second stagewise major axis 2, split-half sleeve 3, axle sleeve 4, and described divides
Inwardly projecting formation tight lock part is distinguished in the upper and lower ends portion of half cutting ferrule 3, and the shaft end of two described stagewise major axis is placed in point partly
In cutting ferrule 3, pinned and axial restraint by the tight lock part of upper and lower ends respectively.Described axle sleeve 4 is set in the first stagewise major axis 1
On the second stagewise major axis 2, the first axle key 5 and second vertically is machined with respectively on the stagewise major axis of two connections
Axle key 6, the described inner side of axle sleeve 4 is provided with the shaft key groove matched with the first axle key 5, the axle key of the second axle key 6.
It is provided with for the positive stop lug boss of positioning shaft sleeve 4 in the end of the second axle key 6, the top of the second axle key 6 is to central shaft
Incline.Screwed hole is additionally provided with described axle sleeve 4, when axle sleeve 4 is set on two stagewise major axis and positions, by screw thread
Hole is screwed into holding screw 7, realizes the axial restraint of axle sleeve 4 and stagewise major axis.
The attachment structure of the present embodiment first loads axle sleeve 4 from the bottom of the first stagewise major axis 1, lower limb in assembling
Upper a certain distance (length for ensureing shaft key groove is completely exposed), then respectively in the first stagewise major axis 1 and the second stagewise
The first axle key 5 and the second axle key 6 are loaded onto in the shaft end of major axis 2, and the first stagewise major axis 1 is positioned over and the second stagewise major axis
The position of 2 connections.
Then, split-half sleeve 3 is installed, two stagewise major axis is connected.Against the position that shaft key groove is matched with axle key, edge
The sliding shaft sleeve 4 of first stagewise major axis 1, until the lower end of axle sleeve 4 contacts with the positive stop lug boss of the second axle key 6.
Finally, holding screw 7 is screwed into, fixed hub 4.
The above-mentioned description to embodiment is that practicality is understood that and used for ease of those skilled in the art
It is new.Person skilled in the art obviously easily can make various modifications to these embodiments, and here is illustrated
General Principle be applied in other embodiment without through performing creative labour.Therefore, this utility model is not limited to above-mentioned
Embodiment, those skilled in the art according to announcement of the present utility model, the improvement made without departing from this utility model category and
Modification all should be within protection domain of the present utility model.
Claims (5)
1. a kind of attachment structure of submerged pump stagewise major axis, for connecting two stagewise major axis, it is characterised in that described
Attachment structure includes split-half sleeve and axle sleeve, and described split-half sleeve connects the shaft end of two stagewise major axis, and axial restraint
Two stagewise major axis, described axle sleeve is set on the stagewise major axis of two connections, is added on two stagewise major axis
Work has axle key vertically, and described axle sleeve inner side is provided with the shaft key groove matched with axle key.
2. the attachment structure of a kind of submerged pump stagewise major axis according to claim 1, it is characterised in that wherein
The end of the axle key on stagewise major axis is provided with the positive stop lug boss for positioning shaft sleeve.
3. the attachment structure of a kind of submerged pump stagewise major axis according to claim 2, it is characterised in that be provided with limit convex
Inclined of the top of the axle key of platform to stagewise major axis.
4. a kind of attachment structure of submerged pump stagewise major axis according to claim 1, it is characterised in that described axle sleeve
On be additionally provided with screwed hole, when axle sleeve is set on two stagewise major axis and positions, holding screw is screwed into by screwed hole, it is real
The axial restraint of existing axle sleeve and stagewise major axis.
5. the attachment structure of a kind of submerged pump stagewise major axis according to claim 1, it is characterised in that described point half
Inwardly projecting formation tight lock part is distinguished in the upper and lower ends portion of cutting ferrule, and the shaft end of two described stagewise major axis is placed in split-half sleeve
It is interior, pinned and axial restraint by the tight lock part of upper and lower ends respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621016731.6U CN206129677U (en) | 2016-08-31 | 2016-08-31 | Connection structure of submerged pump sectional type major axis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621016731.6U CN206129677U (en) | 2016-08-31 | 2016-08-31 | Connection structure of submerged pump sectional type major axis |
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CN206129677U true CN206129677U (en) | 2017-04-26 |
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ID=58567432
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CN201621016731.6U Active CN206129677U (en) | 2016-08-31 | 2016-08-31 | Connection structure of submerged pump sectional type major axis |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108708874A (en) * | 2018-07-06 | 2018-10-26 | 无锡市海星船舶动力有限公司 | The ship compressor rotor shaft of dual segment structure formula |
CN108942119A (en) * | 2018-08-31 | 2018-12-07 | 自贡硬质合金有限责任公司 | A kind of processing method of the axle sleeve with guide groove |
CN109538519A (en) * | 2019-01-18 | 2019-03-29 | 合肥恒大江海泵业股份有限公司 | A kind of segmentation shaft end portion docking facilities |
-
2016
- 2016-08-31 CN CN201621016731.6U patent/CN206129677U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108708874A (en) * | 2018-07-06 | 2018-10-26 | 无锡市海星船舶动力有限公司 | The ship compressor rotor shaft of dual segment structure formula |
CN108942119A (en) * | 2018-08-31 | 2018-12-07 | 自贡硬质合金有限责任公司 | A kind of processing method of the axle sleeve with guide groove |
CN108942119B (en) * | 2018-08-31 | 2020-06-26 | 自贡硬质合金有限责任公司 | Machining method of shaft sleeve with guide groove |
CN109538519A (en) * | 2019-01-18 | 2019-03-29 | 合肥恒大江海泵业股份有限公司 | A kind of segmentation shaft end portion docking facilities |
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