CN206408272U - Marine diesel engine bent axle quenching unit - Google Patents
Marine diesel engine bent axle quenching unit Download PDFInfo
- Publication number
- CN206408272U CN206408272U CN201621344021.6U CN201621344021U CN206408272U CN 206408272 U CN206408272 U CN 206408272U CN 201621344021 U CN201621344021 U CN 201621344021U CN 206408272 U CN206408272 U CN 206408272U
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- Prior art keywords
- bent axle
- half ring
- ring type
- sensing heater
- processed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model belongs to engine component technical field of heat treatment, specifically related to a kind of marine diesel engine bent axle quenching unit, including half ring type sensing heater, the inner side semi-ring surface of half ring type sensing heater, which encloses, to be located on half of outer ring surface of the axle journal of bent axle to be processed, and half ring type sensing heater inner side semi-ring surface and bent axle to be processed axle journal outer ring surface between be provided with gap.The utility model realizes the heating that suspends by adjusting the gap of inductor locating piece and axle journal, and axle journal is greatly reduced by radial load, finally makes the control of bent axle quenching distortion amount in tolerance interval.
Description
Technical field
The utility model belongs to engine component technical field of heat treatment, and in particular to a kind of marine diesel engine is bent
Axle quenching unit.
Background technology
Crankshaft of Marine Diesel Engine axle journal Deformation control in mid frequency induction hardening is a great problem, if deflection is excessive or even meeting
Cause to scrap, lose huge, bent axle quenching inducer is half ring type, is dropped to during quenching from above on crankshaft journal, by fixed
Position block and journal contact, bent axle is in rotary heating, and due to volumetric expansion, intensity decreases, the whole weight of inductor and correlation are negative
Load, which is pressed on axle journal, can produce very big radial load, bent axle quenching distortion amount is reached more than 1.5mm, bring very big tired to alignment
Difficulty, also increases manufacturing cost.
Utility model content
The purpose of this utility model is to provide a kind of can reduce the peculiar to vessel of unit for engine crank shaft deformation amount in quenching process
Diesel engine machine crankshaft quenching unit.
To achieve the above object, the utility model provides following technical scheme：A kind of marine diesel engine bent axle is quenched
Fiery device, including half ring type sensing heater, the inner side semi-ring surface of half ring type sensing heater enclose the axle for being located at bent axle to be processed
On half of outer ring surface of neck, and half ring type sensing heater inner side semi-ring surface and bent axle to be processed axle journal outer ring surface between
Provided with gap.
It is preferred that, the half ring type sensing heater diametrically reciprocates setting along bent axle to be processed；It is described to be processed
Crank rotation is arranged on a quenching support, and bent axle to be processed is driven by driver element and rotated.
It is preferred that, the middle part and two ends of the inner side of the half ring type sensing heater are provided with locating piece, the two of both end of which
Locating piece is in contact with the axle journal outer ring surface of bent axle to be processed, the axle journal outer ring surface of the locating piece at middle part and bent axle to be processed it
Between be provided with gap；Half ring type sensing heater induction coil is provided between each locating piece.
It is preferred that, the gap between the axle journal outer ring surface of the middle part locating piece and bent axle to be processed is 0.05-0.2mm.
It is preferred that, the gap between the axle journal outer ring surface of the middle part locating piece and bent axle to be processed is 0.1mm.
It is preferred that, device also includes being used to drive half ring type sensing heater to diametrically reciprocate along crankshaft journal to be processed
Inductor driver element, and in real time show half ring type sensing heater movement travel stroke display unit.
It is preferred that, the inductor driver element is handwheel, and the handwheel passes through screw-nut body or rack-and-pinion machine
The rotary motion of handwheel is converted into the linear motion of half ring type sensing heater by structure；The stroke display unit is same with handwheel
The dial that axle is set.
It is preferred that, the inductor driver element is servomotor, and the servomotor passes through screw-nut body or tooth
The rotary motion of electric machine main shaft is converted into the linear motion of half ring type sensing heater by wheel rackwork, the servomotor with
Drive control device is electrically connected；The stroke display unit includes a screen display module, and the screen display module is electrically connected with screen display controller
Connect, screen display controller is electrically connected with drive control device.
It is preferred that, the inductor driver element is cylinder or hydraulic cylinder, half ring type sensing heater and cylinder or hydraulic pressure
The piston rod of cylinder is connected, and the cylinder body and frame of cylinder or hydraulic cylinder are affixed, and the stroke display unit includes being used to measure cylinder
Or the distance measuring sensor and screen display module for showing distance measuring sensor measurement result of the hydraulic cylinder piston throw of lever.
It is preferred that, affiliated half ring type sensing heater includes the Y type bodies that front end has U-type groove, described U-type groove bottom land
Diameter is more than the width between U-type groove two side, and the locating piece and induction coil are embedded in the bottom land of the U-type groove.
It is of the present utility model to have technical effect that：The utility model by adjusting the gap of inductor locating piece and axle journal,
The heating that suspends is realized, axle journal is greatly reduced by radial load, finally make the control of bent axle quenching distortion amount in tolerance interval.
Brief description of the drawings
Fig. 1 is the side view of half ring type sensing heater of the present utility model and bent axle fit structure；
Fig. 2 is Fig. 1 A, A sectional view；
Fig. 3 is the half ring type sensing heater motion principle figure that embodiment 1 of the present utility model is provided；
Fig. 4 is the half ring type sensing heater motion principle figure that embodiment 2 of the present utility model is provided；
Fig. 5 is the half ring type sensing heater motion principle figure that embodiment 3 of the present utility model is provided.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, a kind of marine diesel engine bent axle quenching unit, including half ring type sensing heater 10, half
The inner side semi-ring surface of ring type sensing heater 10, which encloses, to be located on half of outer ring surface of the axle journal 21 of bent axle 20 to be processed, and half ring type
Gap is provided between the outer ring surface of the inner side semi-ring surface of sensing heater 10 and the axle journal 21 of bent axle to be processed 20.The utility model
By adjusting the gap of inductor locating piece and axle journal 21, the heating that suspends is realized, axle journal 21 is greatly reduced by radial load, finally made
The quenching distortion amount of bent axle 20 is controlled in tolerance interval.
It is preferred that, the half ring type sensing heater 10 diametrically reciprocates setting along bent axle 20 to be processed；It is described to treat
Machining crankshafts 20 are rotatably arranged on a quenching support, and bent axle to be processed 20 is driven by driver element and rotated.Quench support
The structure type of prior art is referred to the concrete form of driver element, as long as the rotation of bent axle 20 can be realized and precisely determined
Position, such as using scroll chuck come fixed crankshaft 20, then drives three to grab chuck and act to realize the rotation of bent axle 20 by motor
Turn.Innovative point of the present utility model does not lie in positioning and the type of drive of bent axle 20, and those of ordinary skill in the art are in this reality
With should be able to expect what kind of mode being positioned and driven bent axle 20 to rotate on bent axle 20 using under new enlightenment, because
This utility model is no longer described in detail.
It is preferred that, the middle part and two ends of the inner side of the half ring type sensing heater 10 are provided with locating piece 11a, 11b, 11c,
Two locating piece 11b, 11c of both end of which are in contact with the outer ring surface of axle journal 21 of bent axle 20 to be processed, the locating piece 11a at middle part with
Gap is provided between the outer ring surface of axle journal 21 of bent axle 20 to be processed；Half ring type is provided between described each locating piece 11a, 11b, 11c
The induction coil 12 of sensing heater 10.Locating piece 11b, 11c are symmetrical arranged at two ends, therefore two ends locating piece 11b, 11c are to axle journal
21 active force can cancel out each other, therefore need not set gap between two ends locating piece 11b, 11c and axle journal 21.And in
Portion locating piece 11a, the location structure that its offside does not claim in contrast, therefore when the expanded by heating of bent axle 20 and with middle part locating piece
11a is produced after extruding, if locating piece 11a active force is excessive, bent axle 20 can be caused to bend, therefore the utility model is at middle part
Certain interval is provided between locating piece 11a and axle journal 21, to reduce the active force between axle journal 21 and middle part locating piece 11a,
So as to avoid bent axle 20 from producing large curved.
It is preferred that, the gap between the outer ring surface of axle journal 21 of the middle part locating piece 11a and bent axle to be processed 20 is
0.1mm.The gap can make the control of the quenching distortion amount of bent axle 20 in below 0.5mm.
It is preferred that, device also includes being used to drive half ring type sensing heater 10 along the footpath of 20 axle journal of bent axle 21 to be processed to yearn for
The inductor driver element moved again, and for showing that the stroke of the movement travel of half ring type sensing heater 10 shows single in real time
Member.
It is preferred that, affiliated half ring type sensing heater 10 includes the Y type bodies that front end has U-type groove, described U-type groove groove
Bottom diameter is more than the width between U-type groove two side, and the locating piece and induction coil are embedded in the bottom land of the U-type groove.
Embodiment 1
As shown in figure 3, the inductor driver element is handwheel 13, the handwheel 13 passes through screw-nut body or gear
The rotary motion of handwheel is converted into the linear motion of half ring type sensing heater 10 by rackwork 15；The stroke display unit
It is the dial 14 being coaxially disposed with handwheel.
Embodiment 2
As shown in figure 4, the inductor driver element is servomotor 16, the servomotor 16 passes through feed screw nut machine
The rotary motion of electric machine main shaft is converted into the linear motion of half ring type sensing heater 10 by structure 17 or pinion and rack, described
Servomotor 16 is electrically connected with drive control device 161；The stroke display unit includes a screen display module 163, the screen display mould
Block 163 is electrically connected with screen display controller 162, and screen display controller 162 is electrically connected with drive control device 161.
Embodiment 3
As shown in figure 5, the inductor driver element is cylinder or hydraulic cylinder 18, half ring type sensing heater 10 and cylinder
Or the piston rod of hydraulic cylinder 18 is connected, the cylinder body and frame of cylinder or hydraulic cylinder 18 are affixed, and the stroke display unit includes using
In the distance measuring sensor 19 for measuring cylinder or the hydraulic cylinder piston throw of lever and for showing the measurement result of distance measuring sensor 19
Screen display module 181.
Drive mechanism of the present utility model is not limited in the various embodiments described above, all in spirit of the present utility model and principle
Within any modifications, equivalent substitutions and improvements for being made etc., should be included within protection domain of the present utility model.
Operating process of the present utility model is as follows：Before the quenching of axle journal 21, inductor is dropped on axle journal 21, display is seen
Z axis coordinate on screen is how many, then with inductor is lifted up into 0.1mm and locking manually.Then rotate bent axle 20 and add
Heat.
Claims (9)
1. a kind of marine diesel engine bent axle quenching unit, it is characterised in that：Including half ring type sensing heater, half ring type sense
Answer the inner side semi-ring surface of heater to enclose to be located on half of outer ring surface of the axle journal of bent axle to be processed, and half ring type sensing heater
Gap is provided between the outer ring surface of the axle journal of inner side semi-ring surface and bent axle to be processed；
The middle part and two ends of the inner side of the half ring type sensing heater be provided with locating piece, two locating pieces of both end of which with it is to be added
The axle journal outer ring surface of work bent axle is in contact, and gap is provided between the axle journal outer ring surface of the locating piece at middle part and bent axle to be processed；Institute
State and half ring type sensing heater induction coil is provided between each locating piece.
2. marine diesel engine bent axle quenching unit according to claim 1, it is characterised in that：The half ring type sensing
Heater diametrically reciprocates setting along bent axle to be processed；The crank rotation to be processed is arranged on a quenching support, and
Bent axle to be processed is driven by driver element to be rotated.
3. marine diesel engine bent axle quenching unit according to claim 1, it is characterised in that：The middle part locating piece
Gap between the axle journal outer ring surface of bent axle to be processed is 0.05-0.2mm.
4. marine diesel engine bent axle quenching unit according to claim 1, it is characterised in that：The middle part locating piece
Gap between the axle journal outer ring surface of bent axle to be processed is 0.1mm.
5. marine diesel engine bent axle quenching unit according to claim 1, it is characterised in that：Device also includes being used for
The inductor driver element for driving half ring type sensing heater to be diametrically reciprocated along crankshaft journal to be processed, and for real-time
Show the stroke display unit of half ring type sensing heater movement travel.
6. marine diesel engine bent axle quenching unit according to claim 5, it is characterised in that：The inductor driving
Unit is handwheel, and the rotary motion of handwheel is converted into half ring type by the handwheel by screw-nut body or pinion and rack
The linear motion of sensing heater；The stroke display unit is the dial being coaxially disposed with handwheel.
7. marine diesel engine bent axle quenching unit according to claim 5, it is characterised in that：The inductor drives
Moving cell is servomotor, and the servomotor is transported the rotation of electric machine main shaft by screw-nut body or pinion and rack
The dynamic linear motion for being converted into half ring type sensing heater, the servomotor is electrically connected with drive control device；The stroke shows
Show that unit includes a screen display module, the screen display module is electrically connected with screen display controller, screen display controller and drive control device electricity
Connection.
8. marine diesel engine bent axle quenching unit according to claim 5, it is characterised in that：The inductor driving
Unit is cylinder or hydraulic cylinder, and half ring type sensing heater is connected with the piston rod of cylinder or hydraulic cylinder, cylinder or hydraulic cylinder
Cylinder body is affixed with frame, and the stroke display unit includes the distance measuring sensor for being used to measure cylinder or the hydraulic cylinder piston throw of lever
And for showing the screen display module of distance measuring sensor measurement result.
9. marine diesel engine bent axle quenching unit according to claim 1, it is characterised in that：The half ring type sensing
Heater includes the Y type bodies that front end has U-type groove, and described U-type groove groover rot diameter is more than the width between U-type groove two side
Degree, the locating piece and induction coil are embedded in the bottom land of the U-type groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344021.6U CN206408272U (en) | 2016-12-08 | 2016-12-08 | Marine diesel engine bent axle quenching unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344021.6U CN206408272U (en) | 2016-12-08 | 2016-12-08 | Marine diesel engine bent axle quenching unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206408272U true CN206408272U (en) | 2017-08-15 |
Family
ID=59549719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621344021.6U Active CN206408272U (en) | 2016-12-08 | 2016-12-08 | Marine diesel engine bent axle quenching unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206408272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587855A (en) * | 2018-11-30 | 2019-04-05 | 上海海事大学 | A kind of electromagnetic induction heater for crankshaft red shrinkage |
| CN112011679A (en) * | 2020-08-31 | 2020-12-01 | 杭州捷高机电科技有限公司 | Quenching treatment equipment and quenching treatment process for engine crankshaft |
-
2016
- 2016-12-08 CN CN201621344021.6U patent/CN206408272U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587855A (en) * | 2018-11-30 | 2019-04-05 | 上海海事大学 | A kind of electromagnetic induction heater for crankshaft red shrinkage |
| CN112011679A (en) * | 2020-08-31 | 2020-12-01 | 杭州捷高机电科技有限公司 | Quenching treatment equipment and quenching treatment process for engine crankshaft |
| CN112011679B (en) * | 2020-08-31 | 2021-04-06 | 天津爱信热处理有限公司 | Quenching treatment equipment and quenching treatment process for engine crankshaft |
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| GR01 | Patent grant |