CN207534733U - A kind of marine centrifugal pump impeller interference fit joint extracting tool - Google Patents
A kind of marine centrifugal pump impeller interference fit joint extracting tool Download PDFInfo
- Publication number
- CN207534733U CN207534733U CN201721462140.6U CN201721462140U CN207534733U CN 207534733 U CN207534733 U CN 207534733U CN 201721462140 U CN201721462140 U CN 201721462140U CN 207534733 U CN207534733 U CN 207534733U
- Authority
- CN
- China
- Prior art keywords
- oil
- pressure oil
- oil transportation
- transportation component
- hole
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- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of marine centrifugal pump impeller interference fit joint extracting tools, it is characterised in that：Including oil transportation component, pressure oil set, pressure oil mandrel, turning handle；One end of the oil transportation component has the threaded joints coordinated with the impeller axle of centrifugal pump, and the other end of the oil transportation component has the external thread part for being equipped with the pressure oil set, and the inside of the oil transportation component has the central through hole through oil transportation component both ends；The pressure oil set is sleeved on the end of the oil transportation component by the external thread part of the oil transportation component；The pressure oil mandrel is set on the inside of pressure oil set and is interference fitted with the central through hole of the oil transportation component；The rear portion of the pressure oil set is equipped with radial through-hole；The rear end of the pressure oil set is fixed with turning handle.For novel extracting tool described in the utility model compared with existing hydraulic hand-pump, structure is extremely simple, convenient to use, under the premise of requirement is fully met, cost savings several times.
Description
Technical field
The utility model belongs to pump housing dismounting appurtenance technical field, more particularly to a kind of marine centrifugal pump impeller mistake
It is full of and couples extracting tool.
Background technology
Centrifugal pump is aboard ship widely used as one kind of pump.Impeller is the critical piece of centrifugal pump.Impeller is with interference
The mode of cooperation is fitted in the impeller axle of centrifugal pump.In impeller axle there is an axial center hole and communicated with axial center hole
Several radial through-hole.At present, the impeller demolition mode of marine centrifugal pump is mainly completed using hydraulic hand-pump, i.e., using manual
Hydraulic pump squeezes into high-tension lubrication grease in axial center hole and radial through-hole, thus imports between impeller axle and impeller, with this
Complete the dismounting of impeller axle and impeller.This dismounting mode there are the drawbacks of be hydraulic hand-pump use cost height.
Invention content
The utility model aims to solve the problem that the technical issues of marine centrifugal pump impeller demolition is of high cost in the prior art and provides
A kind of marine centrifugal pump impeller interference fit joint extracting tool that can reduce use cost.
The utility model is adopted the technical scheme that solve technical problem present in known technology：It is a kind of it is peculiar to vessel from
Heart pump impeller interference fit joint extracting tool, it is characterised in that：Including oil transportation component, pressure oil set, pressure oil mandrel, turning handle；It is described defeated
One end of oily component has the threaded joints coordinated with the impeller axle of centrifugal pump, and the other end of the oil transportation component, which has, to be used for
The external thread part of the equipped pressure oil set, the inside of the oil transportation component has the central through hole through oil transportation component both ends；Institute
State the end that pressure oil set is sleeved on the oil transportation component by the external thread part of the oil transportation component；The pressure oil mandrel is set on institute
It states the inside of pressure oil set and is interference fitted with the central through hole of the oil transportation component；The rear portion of the pressure oil set is equipped with radially logical
Hole；The rear end of the pressure oil set is fixed with turning handle.
The utility model can also use following technical measures：
The oil transportation component is made of oil transportation cylinder and pressure oil cylinder, and one end of the oil transportation cylinder has and centrifugal pump
The threaded joints of impeller axle cooperation, the other end of the oil transportation cylinder and one end of the pressure oil cylinder are fixed, described
The other end of pressure oil cylinder has the external thread part for being equipped with the pressure oil set；The oil transportation cylinder has perforation both ends
Oil transportation hole, the pressure oil cylinder have perforation both ends extruding oil pocket, the oil transportation hole with it is described extruding oil pocket form described in
Central through hole.
The utility model has the advantages and positive effects of：
Novel extracting tool described in the utility model is compared with existing hydraulic hand-pump, and structure is extremely simple, user
Just it is quick, under the premise of requirement is fully met, cost savings several times.
Description of the drawings
Fig. 1 is the use state diagram of the utility model.
In figure：1st, oil transportation component；1-1, oil transportation cylinder；1-2, pressure oil cylinder；2nd, pressure oil set；3rd, pressure oil mandrel；4th, turning handle；
5th, impeller axle.
Specific embodiment
For that can further appreciate that the invention, features and effects of the utility model, the following examples are hereby given, and coordinates
Detailed description are as follows for attached drawing：
Referring to Fig. 1, a kind of marine centrifugal pump impeller interference fit joint extracting tool, including oil transportation component 1, pressure oil set 2, pressure
Wick axis 3 and turning handle 4.
One end of the oil transportation component 1 has the threaded joints coordinated with the impeller axle 5 of centrifugal pump, the oil transportation component
1 other end has the external thread part for being equipped with the pressure oil set 2.The inside of the oil transportation component 1 has through oil transportation portion
The central through hole at 1 both ends of part.The pressure oil set 2 is sleeved on the oil transportation component 1 by the external thread part of the oil transportation component 1
End.The pressure oil mandrel 3 is set on the inside of pressure oil set 2 and is interference fitted with the central through hole of the oil transportation component 1.Institute
The rear portion for stating pressure oil set 2 is equipped with radial through-hole.The rear end of the pressure oil set 2 is fixed with turning handle 4.
Application method：
Pressure oil is covered 2, pressure oil mandrel 3 to be detached from oil transportation component 1.
The impeller axle 5 that one end of oil transportation component 1 is connected through a screw thread to portion and centrifugal pump is fixed, the center of oil transportation component 1
Through-hole one end is communicated with the axial center hole of the impeller axle 5 of centrifugal pump.
Lubricant grease is injected in the central through hole of oil transportation component 1.
Pressure oil mandrel 3 is inserted into the central through hole of oil transportation component 1, and pressure oil set 2 is sleeved on the other end of oil transportation component 1
On.
Turning handle 4 is rotated, using the cooperation change in depth of pressure oil set 2 and oil transportation component 1, pressure oil set 2 heads into pressure oil mandrel 3
In the central through hole of oil transportation component 1, lubricant grease in central through hole is squeezed between impeller axle 5 and impeller with this, with this
Complete the dismounting of impeller interference fit.
In the present embodiment, the oil transportation component 1 is made of oil transportation cylinder 1-1 and pressure oil cylinder 1-2, the oil transportation cylinder 1-
1 one end has the threaded joints coordinated with the impeller axle 5 of centrifugal pump, the other end of the oil transportation cylinder 1-1 and institute
The one end for stating pressure oil cylinder 1-2 is fixed, and the other end of the pressure oil cylinder 1-2 has to be equipped with the described of the pressure oil set 2
External thread part.The oil transportation cylinder 1-1 has the oil transportation hole at perforation both ends, and the pressure oil cylinder 1-2 has squeezing for perforation both ends
Pumping cavity, the oil transportation hole form the central through hole with the extruding oil pocket.The aperture for squeezing oil pocket is more than the hole in oil transportation hole
Diameter, it is ensured that the oil mass of lubricant grease.The use of oil transportation component 1 is split type, can replace phase therewith according to the size of impeller axle 5
The oil transportation cylinder 1-1 of symbol.
In the present embodiment, the turning handle 4 is welded on the rear end of the pressure oil set 2.The rear end of pressure oil mandrel 3 and the pressure oil
Set 2 is fixed.
Claims (2)
1. a kind of marine centrifugal pump impeller interference fit joint extracting tool, it is characterised in that：Including oil transportation component (1), pressure oil set
(2), pressure oil mandrel (3), turning handle (4)；
One end of the oil transportation component (1) has the threaded joints coordinated with the impeller axle (5) of centrifugal pump, the oil transportation component
(1) the other end has the external thread part for being equipped with the pressure oil set (2), and the inside of the oil transportation component (1), which has, to be run through
The central through hole at oil transportation component (1) both ends；
The pressure oil set (2) is sleeved on the end of the oil transportation component (1) by the external thread part of the oil transportation component (1)；
The pressure oil mandrel (3) is matched set on the inside of the pressure oil set (2) and with the central through hole interference of the oil transportation component (1)
It closes；
The rear portion of the pressure oil set (2) is equipped with radial through-hole；
The rear end of the pressure oil set (2) is fixed with turning handle (4).
2. marine centrifugal pump impeller interference fit joint extracting tool according to claim 1, it is characterised in that：The oil transportation portion
Part (1) is made of oil transportation cylinder (1-1) and pressure oil cylinder (1-2), and one end of the oil transportation cylinder (1-1) has and centrifugal pump
The threaded joints of impeller axle (5) cooperation, the other end of the oil transportation cylinder (1-1) and the pressure oil cylinder (1-2)
One end is fixed, and the other end of the pressure oil cylinder (1-2) has the external thread part for being equipped with the pressure oil set (2)；Institute
Stating oil transportation cylinder (1-1) has the oil transportation hole at perforation both ends, and the pressure oil cylinder (1-2) has the extruding oil pocket at perforation both ends,
The oil transportation hole forms the central through hole with the extruding oil pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462140.6U CN207534733U (en) | 2017-11-06 | 2017-11-06 | A kind of marine centrifugal pump impeller interference fit joint extracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462140.6U CN207534733U (en) | 2017-11-06 | 2017-11-06 | A kind of marine centrifugal pump impeller interference fit joint extracting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207534733U true CN207534733U (en) | 2018-06-26 |
Family
ID=62612494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721462140.6U Expired - Fee Related CN207534733U (en) | 2017-11-06 | 2017-11-06 | A kind of marine centrifugal pump impeller interference fit joint extracting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207534733U (en) |
-
2017
- 2017-11-06 CN CN201721462140.6U patent/CN207534733U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20201106 |