CN106523421A - Long-shaft underwater pump connecting shaft - Google Patents
Long-shaft underwater pump connecting shaft Download PDFInfo
- Publication number
- CN106523421A CN106523421A CN201611001967.7A CN201611001967A CN106523421A CN 106523421 A CN106523421 A CN 106523421A CN 201611001967 A CN201611001967 A CN 201611001967A CN 106523421 A CN106523421 A CN 106523421A
- Authority
- CN
- China
- Prior art keywords
- shaft
- axle
- submerged pump
- sleeve
- coupling sleeve
- 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.)
- Pending
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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a long-shaft underwater pump connecting shaft which comprises an upper shaft, a lower shaft, an upper semi-circular connecting sleeve and a lower semi-circular connecting sleeve. The axis positions of the opposite end faces of the upper shaft and the lower shaft are provided with positioning pin holes correspondingly. The two ends of a positioning pin shaft are in transition fit with the positioning pin holes in the upper shaft and the lower shaft correspondingly. The outer walls of the opposite ends of the upper shaft and the lower shaft are each provided with one or more circles of positioning grooves. The inner walls of the upper semi-circular connecting sleeve and the lower semi-circular connecting sleeve are each provided with one or more circles of positioning convex edges in clamped connection with the corresponding positioning grooves.
Description
Technical field
The present invention relates to a kind of axle, specifically a kind of long shaft submerged pump spindle.
Background technology
Due to the main shaft of long shaft submerged pump it is longer, it usually needs extended by spindle mode, conventionally employed point of half formula axle sleeve
Folder mode is positioned and is clamped.Due to dividing between half-axile sleeve and spindle nose, gap design is larger, and positioning precision is low, it is impossible to meet
Long shaft submerged pump main shaft spindle precision, easily causes pump operation vibration or other is unstable.
The content of the invention
For the above-mentioned deficiency of prior art, the invention provides a kind of simple structure, assembles convenient, spindle high precision,
The long shaft submerged pump spindle using safety and life-span can effectively be guaranteed.
The technical solution used in the present invention is：A kind of long shaft submerged pump spindle, including upper and lower axle and the connection of upper and lower semicircle
Set, it is characterised in that：The shaft core position of the opposing end surface of the upper and lower axle offers dowel hole, and the two of an alignment pin
The dowel hole of the upper and lower axle of end difference interference fits, offers a circle above locating slot on the outer wall of upper and lower axle opposite end,
The inwall of upper and lower semicircle coupling sleeve is equipped with the location fin of more than circle correspondence locating slot clamping.
Further, its top bar of the upper semi-circle coupling sleeve side Jing is worn and connects clamping screw locking connection lower half circle connection
Set side, lower half circle coupling sleeve opposite side Jing its top bar are worn and connect clamping screw locking connection lower half circle coupling sleeve opposite side.
Further, also including upper and lower fastening shaft sleeve, upper and lower fastening shaft sleeve inwall is provided with the upper and lower semicircle connection of correspondence clamping
The binding groove of female connector.
Further, the upper and lower fastening shaft sleeve Jing two is driven bonded upper and lower axle.
Further, described upper its top bar of fastening shaft sleeve side Jing is worn and connects the lower fastening shaft sleeve one of clamping screw locking connection
Side, lower fastening shaft sleeve opposite side Jing its top bar are worn and connect the lower fastening shaft sleeve opposite side of clamping screw locking connection.
Further, the alignment pin is axially arranged with an axial exhaust through hole, and alignment pin is radially provided with a connection shaft
To the rod radial air vent of exhaust hole, air discharge duct on the upper axle and/or lower axle opposing end surface, is offered, air discharge duct connection is radially
Steam vent.
Yet further, the two ends of the axial exhaust through hole are provided with screw thread.
Above-mentioned technical proposal is adopted, the invention has the beneficial effects as follows：There is dowel hole in the Center of upper and lower main shaft, ream
It is coaxial with main shaft, is interference fits with the matching design of alignment pin in hole, it is fixed to be carried out with alignment pin between upper and lower axle
Position, so that ensure accurate positioning between main shaft；Upper and lower semicircle coupling sleeve or upper and lower fastening shaft sleeve are locked using clamping screw, is had
Beneficial to improving connection precision, stable, fastness, it is ensured that using safety and increase the service life；Alignment pin is designed with axial row
Vent hole and rod radial air vent, the purpose of axial exhaust through hole be bearing pin with upper and lower axle interference fits gas inside smoothly from
Axial exhaust through hole is discharged by air discharge duct by rod radial air vent, convenient to install；Steam vent two ends are designed with screw thread, can be conveniently
Dismounting hinge pin.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is half sectional view in Fig. 1；
Fig. 3 is partial enlarged drawing in Fig. 1.
In figure：Upper axle 1, lower axle 2, dowel hole 3,31, alignment pin 4, axial exhaust through hole 5, rod radial air vent 6, row
Air drain 7, upper semi-circle coupling sleeve 8, lower half circle coupling sleeve 9, driving key 10, upper fastening shaft sleeve 11, lower fastening shaft sleeve 12, locating slot
13, location fin 14, binding groove 15, clamping screw 16.
Specific embodiment
It is described further below in conjunction with drawings and Examples.
Shown in Fig. 1-3：A kind of long shaft submerged pump spindle includes upper and lower axle 1,2, upper and lower semicircle coupling sleeve 8,9, upper, fastening
Axle sleeve 11,12, alignment pin 4.The shaft core position of the opposing end surface of upper and lower axle 1,2 offers dowel hole 3,31, a positioning
The dowel hole of the two ends difference upper and lower axle of interference fits of bearing pin 4, offer a circle on the outer wall of upper and lower axle opposite end with
Upper locating slot 13, the inwall of upper and lower semicircle coupling sleeve are equipped with the location fin 13 of more than circle correspondence locating slot clamping, above,
Lower fastening shaft sleeve 11,12 inwalls are equipped with the binding groove 15 of the upper and lower semicircle coupling sleeve of correspondence clamping, upper and lower fastening shaft sleeve Jing two
Driving key 10 connects upper and lower axle 1,2, and upper its top bar of fastening shaft sleeve side Jing is worn and connects the lower fastener shaft of the locking of clamping screw 16 connection
Set side, lower fastening shaft sleeve opposite side Jing its top bar are worn and connect the lower fastening shaft sleeve opposite side of clamping screw locking connection, alignment pin
Axle 4 is axially arranged with an axial exhaust through hole 5, and alignment pin is radially provided with the rod radial air vent 6 of connection axial direction exhaust hole, on
Air discharge duct 7, air discharge duct connection rod radial air vent is offered on axle and/or lower axle opposing end surface.
On the basis of above-described embodiment, the two ends of axial exhaust through hole can also be set to screwed hole.
Claims (7)
1. a kind of long shaft submerged pump spindle, including upper and lower axle and upper and lower semicircle coupling sleeve, it is characterised in that：The upper and lower axle
The shaft core position of opposing end surface offer dowel hole, determining for the upper and lower axle of interference fits is distinguished at the two ends of an alignment pin
Position pin-and-hole, offers a circle above locating slot on the outer wall of upper and lower axle opposite end, the inwall of upper and lower semicircle coupling sleeve is all provided with
There is the location fin of more than circle correspondence locating slot clamping.
2. a kind of long shaft submerged pump spindle according to claim 1, is characterized in that：The upper semi-circle coupling sleeve side Jing its
Top bar is worn and connects clamping screw locking connection lower half circle coupling sleeve side, and lower half circle coupling sleeve opposite side Jing its top bar is worn and connects lock
Tight bolt lock is close to and connects lower half circle coupling sleeve opposite side.
3. a kind of long shaft submerged pump spindle according to claim 1, is characterized in that：Also include upper and lower fastening shaft sleeve, above,
Lower fastening shaft sleeve inwall is provided with the binding groove of the upper and lower semicircle coupling sleeve of correspondence clamping.
4. a kind of long shaft submerged pump spindle according to claim 3, is characterized in that：The upper and lower fastening shaft sleeve Jing two is passed
Move bonded upper and lower axle.
5. a kind of long shaft submerged pump spindle according to claim 3, is characterized in that：The upper fastening shaft sleeve side Jing is thereon
Step is worn and connects the lower fastening shaft sleeve side of clamping screw locking connection, and lower fastening shaft sleeve opposite side Jing its top bar is worn and connects clamping screw
The lower fastening shaft sleeve opposite side of locking connection.
6. a kind of long shaft submerged pump spindle according to claim 1, is characterized in that：The alignment pin is axially arranged with an axle
To exhaust hole, alignment pin is radially provided with the rod radial air vent of connection axial direction exhaust hole, the upper axle and/or lower axle phase
To offering air discharge duct, air discharge duct connection rod radial air vent on end face.
7. a kind of long shaft submerged pump spindle according to claim 6, is characterized in that：The two ends of the axial exhaust through hole set
There is screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001967.7A CN106523421A (en) | 2016-11-15 | 2016-11-15 | Long-shaft underwater pump connecting shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611001967.7A CN106523421A (en) | 2016-11-15 | 2016-11-15 | Long-shaft underwater pump connecting shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106523421A true CN106523421A (en) | 2017-03-22 |
Family
ID=58351894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611001967.7A Pending CN106523421A (en) | 2016-11-15 | 2016-11-15 | Long-shaft underwater pump connecting shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523421A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5688067A (en) * | 1995-09-22 | 1997-11-18 | Camco International Inc. | Coupler assembly for axially connecting two shafts |
| JP2003120584A (en) * | 2001-10-10 | 2003-04-23 | Toshiba Corp | Pump shaft coupling, pump and reactor recirculation pump |
| CN2694032Y (en) * | 2004-04-27 | 2005-04-20 | 江苏南洋泵业有限公司 | Connecting axis device |
| CN2813986Y (en) * | 2005-08-16 | 2006-09-06 | 上海凯泉泵业（集团）有限公司 | Shaft connecting structure for long-shaft liquid low chemical pump |
| CN203384087U (en) * | 2013-05-31 | 2014-01-08 | 江苏太阳宝新能源有限公司 | Long-shaft-pump connecting shaft device |
| CN203847429U (en) * | 2014-05-21 | 2014-09-24 | 江苏双达工程技术研究中心有限公司 | Connecting shaft structure of submerged pump |
| CN204783790U (en) * | 2015-07-16 | 2015-11-18 | 重庆西泉泵业股份有限公司 | Major axis deep -well pump rand formula spiale device |
| CN206175288U (en) * | 2016-11-15 | 2017-05-17 | 江苏芬奇工业设备制造有限公司 | Long -axis submerged pump spiale |
-
2016
- 2016-11-15 CN CN201611001967.7A patent/CN106523421A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5688067A (en) * | 1995-09-22 | 1997-11-18 | Camco International Inc. | Coupler assembly for axially connecting two shafts |
| JP2003120584A (en) * | 2001-10-10 | 2003-04-23 | Toshiba Corp | Pump shaft coupling, pump and reactor recirculation pump |
| CN2694032Y (en) * | 2004-04-27 | 2005-04-20 | 江苏南洋泵业有限公司 | Connecting axis device |
| CN2813986Y (en) * | 2005-08-16 | 2006-09-06 | 上海凯泉泵业（集团）有限公司 | Shaft connecting structure for long-shaft liquid low chemical pump |
| CN203384087U (en) * | 2013-05-31 | 2014-01-08 | 江苏太阳宝新能源有限公司 | Long-shaft-pump connecting shaft device |
| CN203847429U (en) * | 2014-05-21 | 2014-09-24 | 江苏双达工程技术研究中心有限公司 | Connecting shaft structure of submerged pump |
| CN204783790U (en) * | 2015-07-16 | 2015-11-18 | 重庆西泉泵业股份有限公司 | Major axis deep -well pump rand formula spiale device |
| CN206175288U (en) * | 2016-11-15 | 2017-05-17 | 江苏芬奇工业设备制造有限公司 | Long -axis submerged pump spiale |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |
|
| WD01 | Invention patent application deemed withdrawn after publication |