CN108708874A - The ship compressor rotor shaft of dual segment structure formula - Google Patents
The ship compressor rotor shaft of dual segment structure formula Download PDFInfo
- Publication number
- CN108708874A CN108708874A CN201810735563.3A CN201810735563A CN108708874A CN 108708874 A CN108708874 A CN 108708874A CN 201810735563 A CN201810735563 A CN 201810735563A CN 108708874 A CN108708874 A CN 108708874A
- Authority
- CN
- China
- Prior art keywords
- axis body
- rotor shaft
- impeller
- fixing sleeve
- structure formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/063—Lubrication specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of ship compressor rotor shafts of dual segment structure formula, including rotor shaft body and impeller, one end of the rotor shaft body is equipped with the impeller, the top of the impeller opens up fluted, one end of the rotor shaft body imports in the groove and abuts fixation with the impeller, the rotor shaft body is made of two axis body being end-to-end connections, i.e. preceding axis body and rear axis body, one end of the preceding axis body is equipped with columned protrusion, the outside of the protrusion is equipped with external screw thread, one end of axis body is recessed inwardly equipped with threaded hole after described, the raised thread is imported to be formed in the threaded hole and be fixed, the preceding axis body is wrapped around equipped with fixing sleeve, the fixing sleeve is slidably arranged on the preceding axis body, the inner side end of the fixing sleeve is equipped with beam.By the above-mentioned means, the present invention in the stress-sharing generated when will use to two axis bodies, can improve the service life of axis body by the design of twin shaft body.
Description
Technical field
The present invention relates to watercraft fittings fields, more particularly to a kind of ship compressor rotor shaft of dual segment structure formula.
Background technology
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, is the heart of refrigeration system
It is dirty.It sucks the refrigerant gas of low-temp low-pressure from air intake duct, is operated by motor after being compressed to it with piston, to row
The refrigerant gas of high temperature and pressure is discharged in tracheae, and power is provided for refrigeration cycle.Compressor also often uses on ship.Its
In, the used armature spindle in compressor, due to using single shaft design, the axis body that stress is all concentrated when in use
On, fracture is easy to happen after long-time use.
Invention content
The invention mainly solves the technical problem of providing a kind of ship compressor rotor shaft of dual segment structure formula, Neng Goutong
The design of twin shaft body is crossed, in the stress-sharing generated when will use to two axis bodies, improves the service life of axis body.
In order to solve the above technical problems, one aspect of the present invention is：A kind of ship of dual segment structure formula is provided
Oceangoing ship compressor rotor shaft, including rotor shaft body and impeller, the rotor shaft body are in cylindrical shape, the rotor shaft body
One end is equipped with the impeller, and the top of the impeller opens up fluted, and one end of the rotor shaft body imports in the groove
Fixation is abutted with the impeller, the rotor shaft body is made of two axis body being end-to-end connections, i.e., preceding axis body and rear axle
One end of body, the preceding axis body is equipped with columned protrusion, and the outside of the protrusion is equipped with external screw thread, one end of the rear axis body
It is recessed inwardly and is equipped with threaded hole, the raised thread is imported to be formed in the threaded hole and be fixed, and the preceding axis body wraps around
Equipped with fixing sleeve, the fixing sleeve is slidably arranged on the preceding axis body, and the inner side end of the fixing sleeve is equipped with beam.
In a preferred embodiment of the present invention, the preceding axis body and the rear axis body are arranged with size, the fixing sleeve
The junction of the preceding axis body and the rear axis body is tightly attached to after sliding.
In a preferred embodiment of the present invention, the external screw thread of the protrusion engages setting with the threaded hole.
In a preferred embodiment of the present invention, the impeller is detachably connected with the groove.
The beneficial effects of the invention are as follows：The present invention passes through twin shaft body compared with the single-shaft configuration of traditional armature spindle
It designs, in the stress-sharing generated when will use to two axis bodies, avoids the stress concentration generated when using in an axis body
And cause fracture, to improve the service life of axis body.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is the structural schematic diagram of one preferred embodiment of ship compressor rotor shaft of dual segment structure formula of the present invention；
The label of each component is as follows in attached drawing：1, rotor shaft body；2, impeller；3, groove；4, preceding axis body；5, rear axis body；6, convex
It rises；7, threaded hole；8, fixing sleeve；9, beam.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
Referring to Fig. 1, the embodiment of the present invention includes：
A kind of ship compressor rotor shaft of dual segment structure formula, including rotor shaft body 1 and impeller 2, the rotor shaft body 1 are in
Cylindrical shape, one end of the rotor shaft body 1 are equipped with the impeller 2, and the top of the impeller 2 opens up fluted 3, described turn
One end of sub- shaft body 1 imports in the groove 3 and abuts fixation with the impeller 2, and the rotor shaft body 1 is connected end to end by two
The axis body connection composition connect, i.e., preceding axis body 4 and rear axis body 5, one end of the preceding axis body 4 are described convex equipped with columned raised 6
The outside for playing 6 is equipped with external screw thread, and one end of the rear axis body 5 is recessed inwardly equipped with threaded hole 7, and raised 6 screw thread imports institute
It states to be formed in threaded hole 7 and fix, the preceding axis body 4 is wrapped around equipped with fixing sleeve 8, and the fixing sleeve 8 is slidably arranged in institute
Before stating on axis body 4, the inner side end of the fixing sleeve 8 is equipped with beam 9.
In addition, the preceding axis body 4 and it is described after axis body 5 with size be arranged, the fixing sleeve 8 slide after be tightly attached to it is described before
The junction of axis body 4 and the rear axis body 5.
In addition, raised 6 external screw thread engages setting with the threaded hole 7.
In addition, the impeller 2 is detachably connected with the groove 3.
The operation principle of the present invention is that rotor shaft body 1 is in cylindrical shape, one end of rotor shaft body 1 is equipped with impeller 2, leaf
The top of wheel 2 opens up fluted 3, and one end of rotor shaft body 1, which imports in groove 3, abuts fixation with impeller 2, impeller 2 and groove 3
It is detachably connected with, it is easy for removal and installation.
Rotor shaft body 1 is made of two axis body being end-to-end connections, i.e., preceding axis body 4 and rear axis body 5, preceding axis body 4
One end is equipped with columned raised 6, and the outside of protrusion 6 is equipped with external screw thread, and one end of rear axis body 5 is recessed inwardly equipped with threaded hole 7,
Raised 6 screw threads are imported to be formed in threaded hole 7 and be fixed, and the external screw thread of protrusion 6 engages setting with threaded hole 7, convenient for sharing stress
Onto two axis bodies, axis body service life is improved, preceding axis body 4 is wrapped around equipped with fixing sleeve 8, and fixing sleeve 8 is slidably arranged in
On preceding axis body 4, preceding axis body 4 and rear axis body 5 are arranged with size, and fixing sleeve 8 is tightly attached to the company of preceding axis body 4 and rear axis body 5 after sliding
Place is met, junction is compressed, the inner side end of fixing sleeve 8 is equipped with beam 9, plays cushioning effect.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (4)
1. a kind of ship compressor rotor shaft of dual segment structure formula, including rotor shaft body and impeller, which is characterized in that described turn
Sub- shaft body is in cylindrical shape, and one end of the rotor shaft body is equipped with the impeller, the top of the impeller open up it is fluted,
One end of the rotor shaft body, which imports in the groove, abuts fixation with the impeller, the rotor shaft body by two end to end
The axis body connection composition of connection, i.e., preceding axis body and rear axis body, one end of the preceding axis body are equipped with columned protrusion, the protrusion
Outside be equipped with external screw thread, it is described after one end of axis body be recessed inwardly equipped with threaded hole, the raised thread imports the screw thread
It being formed and is fixed in hole, the preceding axis body is wrapped around equipped with fixing sleeve, and the fixing sleeve is slidably arranged on the preceding axis body,
The inner side end of the fixing sleeve is equipped with beam.
2. the ship compressor rotor shaft of dual segment structure formula according to claim 1, which is characterized in that the preceding axis body and
Axis body is arranged with size after described, and the junction of the preceding axis body and the rear axis body is tightly attached to after the fixing sleeve sliding.
3. the ship compressor rotor shaft of dual segment structure formula according to claim 1, which is characterized in that outside the protrusion
Screw thread engages setting with the threaded hole.
4. the ship compressor rotor shaft of dual segment structure formula according to claim 1, which is characterized in that the impeller and institute
Groove is stated to be detachably connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735563.3A CN108708874A (en) | 2018-07-06 | 2018-07-06 | The ship compressor rotor shaft of dual segment structure formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735563.3A CN108708874A (en) | 2018-07-06 | 2018-07-06 | The ship compressor rotor shaft of dual segment structure formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108708874A true CN108708874A (en) | 2018-10-26 |
Family
ID=63874846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810735563.3A Withdrawn CN108708874A (en) | 2018-07-06 | 2018-07-06 | The ship compressor rotor shaft of dual segment structure formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708874A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268308A (en) * | 2018-11-22 | 2019-01-25 | 无锡市海星船舶动力有限公司 | The reinforcing connecting-type armature spindle that anti-impeller falls off |
| CN109538622A (en) * | 2018-12-27 | 2019-03-29 | 无锡市海星船舶动力有限公司 | Marine engines impeller axle assembly |
| CN109578426A (en) * | 2018-12-27 | 2019-04-05 | 无锡市海星船舶动力有限公司 | Spark ignition type marine engine rotor axle assembly |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2217131Y (en) * | 1994-09-29 | 1996-01-10 | 黑龙江石油化工厂 | Shaft of pump with easily assembling function |
| JPH0988822A (en) * | 1995-09-20 | 1997-03-31 | Toyota Autom Loom Works Ltd | Compressor |
| JP2002081396A (en) * | 2000-09-06 | 2002-03-22 | Fujitsu General Ltd | Cross flow fan |
| US20050175465A1 (en) * | 2004-02-10 | 2005-08-11 | Toshihiko Nishiyama | Structure for connecting compressor wheel and shaft |
| CN201190679Y (en) * | 2008-05-05 | 2009-02-04 | 江门市瑞荣泵业有限公司 | Transmission shaft of submersible pump |
| CN101469690A (en) * | 2007-12-26 | 2009-07-01 | 上海三电贝洱汽车空调有限公司 | Two-segment type main spindle of automobile air conditioner compressor |
| CN202215482U (en) * | 2011-08-11 | 2012-05-09 | 马建锐 | Permanent magnetic motor drainage pump |
| CN103557175A (en) * | 2013-11-13 | 2014-02-05 | 三一能源重工有限公司 | Connection structure for impeller and shaft |
| CN206129677U (en) * | 2016-08-31 | 2017-04-26 | 中国电建集团上海能源装备有限公司 | Connection structure of submerged pump sectional type major axis |
| CN207093435U (en) * | 2017-08-01 | 2018-03-13 | 宁波富仕达电力工程有限责任公司 | A kind of connecting shaft structure of vertical long shaft pump |
| CN208565055U (en) * | 2018-07-06 | 2019-03-01 | 无锡市海星船舶动力有限公司 | The ship compressor rotor shaft of dual segment structure formula |
-
2018
- 2018-07-06 CN CN201810735563.3A patent/CN108708874A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2217131Y (en) * | 1994-09-29 | 1996-01-10 | 黑龙江石油化工厂 | Shaft of pump with easily assembling function |
| JPH0988822A (en) * | 1995-09-20 | 1997-03-31 | Toyota Autom Loom Works Ltd | Compressor |
| JP2002081396A (en) * | 2000-09-06 | 2002-03-22 | Fujitsu General Ltd | Cross flow fan |
| US20050175465A1 (en) * | 2004-02-10 | 2005-08-11 | Toshihiko Nishiyama | Structure for connecting compressor wheel and shaft |
| CN101469690A (en) * | 2007-12-26 | 2009-07-01 | 上海三电贝洱汽车空调有限公司 | Two-segment type main spindle of automobile air conditioner compressor |
| CN201190679Y (en) * | 2008-05-05 | 2009-02-04 | 江门市瑞荣泵业有限公司 | Transmission shaft of submersible pump |
| CN202215482U (en) * | 2011-08-11 | 2012-05-09 | 马建锐 | Permanent magnetic motor drainage pump |
| CN103557175A (en) * | 2013-11-13 | 2014-02-05 | 三一能源重工有限公司 | Connection structure for impeller and shaft |
| CN206129677U (en) * | 2016-08-31 | 2017-04-26 | 中国电建集团上海能源装备有限公司 | Connection structure of submerged pump sectional type major axis |
| CN207093435U (en) * | 2017-08-01 | 2018-03-13 | 宁波富仕达电力工程有限责任公司 | A kind of connecting shaft structure of vertical long shaft pump |
| CN208565055U (en) * | 2018-07-06 | 2019-03-01 | 无锡市海星船舶动力有限公司 | The ship compressor rotor shaft of dual segment structure formula |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268308A (en) * | 2018-11-22 | 2019-01-25 | 无锡市海星船舶动力有限公司 | The reinforcing connecting-type armature spindle that anti-impeller falls off |
| CN109538622A (en) * | 2018-12-27 | 2019-03-29 | 无锡市海星船舶动力有限公司 | Marine engines impeller axle assembly |
| CN109578426A (en) * | 2018-12-27 | 2019-04-05 | 无锡市海星船舶动力有限公司 | Spark ignition type marine engine rotor axle assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181026 |
|
| WW01 | Invention patent application withdrawn after publication |