CN205870426U - Frock is dismantled to interference fit spare - Google Patents
Frock is dismantled to interference fit spare Download PDFInfo
- Publication number
- CN205870426U CN205870426U CN201620872522.5U CN201620872522U CN205870426U CN 205870426 U CN205870426 U CN 205870426U CN 201620872522 U CN201620872522 U CN 201620872522U CN 205870426 U CN205870426 U CN 205870426U
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- China
- Prior art keywords
- face
- driving member
- terminal surface
- blind flange
- bolt
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Abstract
The utility model provides a frock is dismantled to interference fit spare, the setting is connected with the one end of bolt at the briquetting of a driving medium side end face, and the other end of bolt passes driving medium and the blind flange joint of terminal surface, the bolt is a plurality of, along the circular of driving medium, a terminal surface of terminal surface blind flange is the seal face, and the seal face is sealed with the opposite side terminal surface formation of driving medium, forms between the terminal surface of messenger's terminal surface blind flange and axle and seals the chamber, at least one oiling mouth and sealed chamber intercommunication. During the use, the bolt passes the driving medium, and briquetting and terminal surface blind flange are connected respectively to both ends, form sealed chamber between the terminal surface of terminal surface blind flange and axle, it is oily to inject hydraulic pressure into from the oiling mouth, and hydraulic oil enters into sealed intracavity, makes driving medium and axle break away from. Through adopting above scheme, can dismantle interference fit spare with lower cost, the commonality is strong, easy operation, safe and reliable.
Description
Technical field
This utility model relates to marine low speed diesel engine and manufactures and maintenance field, particularly a kind of for dismounting and bavin
The elastic conjunction part disassembling fixture of the drive sprocket that oil machine camshaft connects.
Background technology
Manufacturing field at marine low speed diesel engine, cam shaft for diesel engine uses interference fit with sprocket wheel axis hole, and diesel engine is convex
The radius of wheel shaft reaches 70mm, and the magnitude of interference between cam shaft for diesel engine and sprocket wheel axis hole reaches 0.3 ~ 0.4mm, uses and add during installation
Sprocket wheel is installed on camshaft by the method for hot sprocket wheel, when sprocket wheel damages or other reasons needs to dismantle sprocket wheel, by adding
The method of hot sprocket wheel cannot be carried out dismounting.Prior art typically uses hydraulic press to be pressed out from camshaft by sprocket wheel, and it is main
Wanting shortcoming is that running cost is high；Or sprocket wheel and camshaft assembly are placed on pincers worker platform, use multiple bolt to be pressed
Out, the shortcoming of this method is easily that dismounting effect can not get protecting because force inequality causes camshaft to pull with sprocket hole
Card, and the volume of sprocket wheel and camshaft assembly is relatively big, takes up room big, operates relatively complicated, and labor intensity is big.For
The sprocket wheel scrapped can use mach mode to be cut away by sprocket wheel, but the method major defect is also that running cost is higher.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of elastic conjunction part disassembling fixture, it is possible to relatively low
Cost, removes the driving member of elastic conjunction, and is able to ensure that in unloading process and will not pull axle and driving member, it is ensured that dismounting effect
Really, and highly versatile, simple to operate, safe and reliable.
For solving above-mentioned technical problem, this utility model be the technical scheme is that a kind of elastic conjunction part dismounting work
Dress, the briquetting being arranged on driving member one side end face is connected with one end of bolt, and the other end of bolt is blind with end face through driving member
Flange joint；
Bolt is multiple, along the circumference of driving member；
One end face of end face blind flange is seal face, and seal face forms sealing with the opposite side end face of driving member,
Make to be formed between end face blind flange and the end face of axle annular seal space；
At least one pouring orifice connects with annular seal space.
Preferably in scheme, the end face that described briquetting contacts with driving member is put down for corresponding with driving member one side end face
Face, curved surface or inclined-plane, so that the end face of briquetting opposite side is vertical with the axis of bolt.
Preferably in scheme, between described seal face and driving member, it is provided with sealing member.
Preferably in scheme, described driving member is sprocket wheel or gear.
Preferably in scheme, described driving member sidewall is provided with the first pouring orifice, and the shaft hole inner wall of driving member is provided with annular
Oil groove, oil groove and the first pouring orifice connection.
Preferably in scheme, described oil groove is two, and the first pouring orifice is two accordingly, and two oil grooves are along driving member
Axis hole axis distribution.
Preferably in scheme, it is additionally provided with the groove connecting oil groove with annular seal space.
Preferably in scheme, end face blind flange is provided with the second pouring orifice away from the side of axial end, and the second pouring orifice is with close
The connection of envelope chamber.
Preferably in scheme, described seal face is bulge loop structure.
A kind of method using above-mentioned elastic conjunction part disassembling fixture dismounting driving member, comprises the following steps:
One, bolt passes driving member, and two ends connect briquetting and end face blind flange respectively；
Two, annular seal space is formed between end face blind flange and the end face of axle；
Three, injecting hydraulic oil from pouring orifice, hydraulic oil enters in annular seal space, makes driving member depart from axle.
Preferably in scheme, the end face at driving member is holed, and makes oil groove connect with annular seal space.
A kind of elastic conjunction part disassembling fixture that this utility model provides, by using above scheme, it is possible to relatively low
The cost dismounting sprocket wheel of elastic conjunction part, such as interference fit or gear and axle, in unloading process, the hydraulic pressure of high pressure
Oil can enter between driving member and axle, and by driving member swell, and hydraulic oil also is able to protect the assembling between driving member and axle
Face, thus avoid pulling axle and driving member, it is ensured that dismounting effect, and highly versatile of the present utility model, simple to operate, safety can
Lean on.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is schematic front view of the present utility model.
Fig. 2 is schematic side view of the present utility model.
Fig. 3 is the close-up schematic view in Fig. 2 at A.
In figure: driving member 1, briquetting 2, bolt 3, nut 4, end face blind flange 5, seal face 51, the first pouring orifice 6, oil
Groove 7, axle 8, annular seal space 9, the second pouring orifice 10.
Detailed description of the invention
Embodiment 1:
In Fig. 1 ~ 3, a kind of elastic conjunction part disassembling fixture, it is arranged on briquetting 2 and the bolt 3 of driving member 1 one side end face
One end connect, the other end of bolt 3 is connected with end face blind flange 5 through driving member 1；The structure of briquetting such as Fig. 1, as shown in 2,
In echelon, two bolts pass from briquetting 2 in front, and bolt is stud, and often end is all connected with nut thread.Preferably scheme
Such as Fig. 2, in 3, the end face that described briquetting 2 contacts with driving member 1 for the corresponding plane in driving member 1 one side end face, curved surface or
Inclined-plane, so that the end face of briquetting 2 opposite side is vertical with the axis of bolt 3.Bolt 3 is multiple, along the circumference cloth of driving member 1
Put.Preferably, bolt 3 is evenly arranged；Briquetting 2 can be multiple, it is also possible to is one.
One end face of end face blind flange 5 is seal face 51, and seal face 51 is formed with the opposite side end face of driving member 1
Seal, make to be formed between the end face of end face blind flange 5 and axle 8 annular seal space 9；Preferably in scheme, described seal face 51 with
It is provided with sealing member between driving member 1.
At least one pouring orifice connects with annular seal space 9.Thus structure, when the hydraulic oil of high pressure enters into sealing from pouring orifice
In chamber 9, the end face of the most countershaft 8 produces thrust, the inner side end of end face blind flange 5 is also produced thrust simultaneously, thus drives biography
The axial displacement of moving part 1, until departing from axle.
Preferably in scheme, described driving member 1 is sprocket wheel or gear.It this example is sprocket wheel.Axle in this example is cam
Axle.
Preferably in scheme such as Fig. 1 ~ 3, described driving member 1 sidewall is provided with the first pouring orifice 6, in the axis hole of driving member 1
Wall is provided with the oil groove 7 of annular, and oil groove 7 connects with the first pouring orifice 6.Thus structure, is used for injecting hydraulic oil, when the hydraulic pressure of high pressure
Oil is injected in pouring orifice, makes driving member 1 swell, consequently facilitating dismounting driving member 1.
In further preferred scheme such as Fig. 2, described oil groove 7 is two, and the first pouring orifice 6 is two accordingly, two
Individual oil groove 7 is distributed along the axis hole axis of driving member 1.
Preferably in scheme, it is additionally provided with the groove connecting oil groove with annular seal space 9.Thus structure, it is simple to high pressure liquid force feed enters
In annular seal space 9.
In further preferred scheme, end face blind flange 5 is provided with the second pouring orifice 10 away from the side of axial end, and second
Pouring orifice 10 connects with annular seal space 9.Thus structure, it is possible to the thrust that sprocket wheel is separated by single or auxiliary offer with axle.
Preferably in scheme, described seal face 51 is bulge loop structure, and as shown in Figure 3, the end face of bulge loop structure is i.e.
For sealing surface.Thus structure, it is simple to formed with the position of driving member 1 axis hole shoulder and seal.Thus the sidewall constituting annular seal space 9 can
To be the shaft hole inner wall of driving member 1, or the endoporus sidewall of bulge loop structure.
Embodiment 2:
A kind of method using above-mentioned elastic conjunction part disassembling fixture dismounting driving member, comprises the following steps:
One, bolt 3 is through driving member 1, and two ends connect briquetting 2 and end face blind flange 5 respectively；
As a example by sprocket wheel, according to chain sprocket structure, designing briquetting between sprocket profiles gusset, briquetting quantity is as far as possible
Many, and be necessary for symmetrical or be evenly arranged；Sprocket profiles face has constant slope or curved surface, briquetting to design angle with sprocket interface
Degree or curved surface need identical, and during to ensure assembling, bolt can be fully contacted with briquetting, and Impact direction is along bolt axis direction.
Two, annular seal space 9 is formed between the end face of end face blind flange 5 and axle 8；Preferably, at seal face 51 and driving member 1
Between sealing member is set.
Three, injecting hydraulic oil from pouring orifice, hydraulic oil enters in annular seal space 9, makes driving member 1 depart from axle 8.
When using the scheme only having the first pouring orifice 6, directly inject high pressure liquid force feed from the first pouring orifice 6.Preferably
Scheme in, driving member 1 end face hole, make oil groove 7 connect with annular seal space 9.Thus scheme, it is possible to make hydraulic oil faster
Enter in annular seal space 9.
When using the scheme only having the second pouring orifice 10, first use less pressure, the oil pressure of such as 1 MPa, pressurize
30min, makes hydraulic oil fully infiltrate between axis hole and axle, the most persistently intensified pressure, until driving member 1 and axle 8 start pine
De-, keeping pressure, until departing between driving member 1 and axle 8, during it is further preferred that will be disengaged from shortly, progressively lowering hydraulic oil
Pressure, to guarantee safety.
When using the scheme of the first pouring orifice 6 and the second pouring orifice 10, first inject hydraulic oil from the first pouring orifice 6, adopt
With less pressure, the such as oil pressure of 1 MPa, hydraulic oil is made fully to infiltrate between axis hole and axle, pressurize 5min；Then from
One pouring orifice 6 and the second pouring orifice 10 are injected simultaneously into hydraulic oil, and increase oil pressure, until driving member 1 starts to get loose with axle 8, keeps pressure
Power, until departing between driving member 1 and axle 8, during it is further preferred that will be disengaged from shortly, progressively lowers the pressure of hydraulic oil, with
Guarantee safety.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as limit of the present utility model
System, the embodiment in the application and the feature in embodiment, can mutual combination in any in the case of not conflicting.This practicality is new
The technical scheme that the protection domain of type should be recorded with claim, including technical characteristic in the technical scheme that claim is recorded
Equivalents is protection domain.Equivalent the most in this range is improved, also protection domain of the present utility model it
In.
Claims (9)
1. an elastic conjunction part disassembling fixture, is characterized in that: be arranged on briquetting (2) and the bolt of driving member (1) side end face
(3) one end connects, and the other end of bolt (3) is connected through driving member (1) with end face blind flange (5)；
Bolt (3) is multiple, along the circumference of driving member (1)；
One end face of end face blind flange (5) is seal face (51), seal face (51) and the opposite side end face of driving member (1)
Formed and seal, make to be formed between the end face of end face blind flange (5) and axle (8) annular seal space (9)；
At least one pouring orifice connects with annular seal space (9).
A kind of elastic conjunction part disassembling fixture the most according to claim 1, is characterized in that: described briquetting (2) and transmission
The end face that part (1) contacts is and the corresponding plane in driving member (1) side end face, curved surface or inclined-plane, so that briquetting (2) opposite side
End face is vertical with the axis of bolt (3).
A kind of elastic conjunction part disassembling fixture the most according to claim 1, is characterized in that: described seal face (51) with
Driving member is provided with sealing member between (1).
A kind of elastic conjunction part disassembling fixture the most according to claim 1, is characterized in that: described driving member (1) is chain
Wheel or gear.
A kind of elastic conjunction part disassembling fixture the most according to claim 1, is characterized in that: described driving member (1) sidewall
Being provided with the first pouring orifice (6), the shaft hole inner wall of driving member (1) is provided with the oil groove (7) of annular, oil groove (7) and the first pouring orifice (6)
Connection.
A kind of elastic conjunction part disassembling fixture the most according to claim 5, is characterized in that: described oil groove (7) is two,
First pouring orifice (6) is two accordingly, and two oil grooves (7) are distributed along the axis hole axis of driving member (1).
7., according to a kind of elastic conjunction part disassembling fixture described in claim 5 or 6, it is characterized in that: be additionally provided with connection oil groove with
The groove of annular seal space (9).
The most according to claim 1 or 5, a kind of elastic conjunction part disassembling fixture, is characterized in that: end face blind flange (5) away from
The side of axial end is provided with the second pouring orifice (10), and the second pouring orifice (10) connects with annular seal space (9).
A kind of elastic conjunction part disassembling fixture the most according to claim 1, is characterized in that: described seal face (51) is
Bulge loop structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872522.5U CN205870426U (en) | 2016-08-12 | 2016-08-12 | Frock is dismantled to interference fit spare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872522.5U CN205870426U (en) | 2016-08-12 | 2016-08-12 | Frock is dismantled to interference fit spare |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205870426U true CN205870426U (en) | 2017-01-11 |
Family
ID=57704140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620872522.5U Expired - Fee Related CN205870426U (en) | 2016-08-12 | 2016-08-12 | Frock is dismantled to interference fit spare |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205870426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181861A (en) * | 2016-08-12 | 2016-12-07 | 青岛海西船舶柴油机有限公司 | Elastic conjunction part disassembling fixture |
-
2016
- 2016-08-12 CN CN201620872522.5U patent/CN205870426U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181861A (en) * | 2016-08-12 | 2016-12-07 | 青岛海西船舶柴油机有限公司 | Elastic conjunction part disassembling fixture |
| CN106181861B (en) * | 2016-08-12 | 2018-03-16 | 青岛海西船舶柴油机有限公司 | Elastic conjunction part disassembling fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170111 Termination date: 20200812 |