CN105063303B - The quenching unit of thrust wheel - Google Patents
The quenching unit of thrust wheel Download PDFInfo
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- CN105063303B CN105063303B CN201510481970.2A CN201510481970A CN105063303B CN 105063303 B CN105063303 B CN 105063303B CN 201510481970 A CN201510481970 A CN 201510481970A CN 105063303 B CN105063303 B CN 105063303B
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Abstract
The present invention discloses a kind of quenching unit of thrust wheel, and thrust wheel quenching unit includes framework, heating unit and the cooling unit for being used to provide the heat-insulated environment of sealing；Heating unit includes the platform, the sensing circle body for heating thrust wheel and the support shaft for rotation for being used to carry thrust wheel；Platform is located at the top of support shaft and rotated under the drive of support shaft；Sensing circle body is a hollow columnar and shape and thrust wheel identical cylinder and is slidably connected to the first inner side of framework；The size of sensing circle body is just to be set in the outside of thrust wheel；Cooling unit includes that shape is identical with thrust wheel, positioned at platform top and be set in the spray hood of the external side of induction coil；Spray hood is slidably connected to the second inner side corresponding with the first inner side in framework；It is provided with matrix arrangement, size identical nozzle on the inside of spray hood, nozzle is towards thrust wheel；The present invention solves the problem of hardness differs after thrust wheel quenching in the prior art, with the uniform advantage of thrust wheel hardness.
Description
Technical field
The present invention relates to metal material Technology for Heating Processing, it is more particularly related to a kind of quenching dress of thrust wheel
Put.
Background technology
Thrust wheel is the one kind of tracked construction equipment chassis four-wheel one with, is mainly used in carrying bull-dozer, excavates
Advance in the weight of the big machineries such as machine, the direction that crawler belt can be rolled along thrust wheel.Due to thrust wheel working environment very
Badly, wear phenomenon is very serious, it is therefore desirable to which thrust wheel has stronger intensity, hardness, wearability.It is usual in the prior art
Using quenching technical, the hardness on thrust wheel surface is increased by the PROCESS FOR TREATMENT such as being quenched, being cooled down to thrust wheel surface.Quench
Generally thrust wheel is heated using induction coil in ignition technique, and ensures using heating in medium frequency the hardness of thrust wheel.
But, because the surface irregularity of thrust wheel, size difference are big, the width of induction coil is non-adjustable, institute
It is not of uniform size with the distance on induction coil to thrust wheel surface so that the feelings that hardness differs occur after thrust wheel quenching, cooling
Shape, leverages the quality of thrust wheel product.The speed of heating in medium frequency is slow, reduces quenching efficiency.
The content of the invention
For weak point present in above-mentioned technology, the present invention provides a kind of quenching unit of thrust wheel, by provided with
Shape senses circle body and spray hood with thrust wheel shape identical, solves what hardness after thrust wheel quenching in the prior art differed
Problem, with the uniform advantage of thrust wheel hardness.
In order to realize that, according to object of the present invention and further advantage, the present invention is achieved through the following technical solutions：
The quenching unit of thrust wheel of the present invention, including：Framework, for providing a heat-insulated environment of sealing；Heating
Unit, for carrying out sensing heating to thrust wheel；The heating unit includes being used to carry the platform of the thrust wheel, for adding
The sensing circle body and the support shaft for rotation of the heat thrust wheel：The platform is located at the top of the support shaft and in institute
State and rotated under the drive of support shaft；The sensing circle body is a hollow columnar and shape and the thrust wheel identical cylinder, institute
The size for stating sensing circle body is just to be set in the outside of the thrust wheel；The sensing circle body is slidably connected to the framework
First inner side；And, cooling unit, for being cooled down to the thrust wheel after the heating unit sensing heating；It is described cold
But unit includes spray hood, and the spray hood shape is identical with the thrust wheel, the spray hood be located at platform top and
It is set in the external side of the induction coil；The spray hood is slidably connected to corresponding with the inside of described first the in the framework
Two inner sides；The inner side of the spray hood is provided with matrix arrangement, size identical nozzle, and the nozzle is towards the thrust wheel；Its
In, during sensing heating, the platform is rotated around the support shaft drives the thrust wheel to rotate, and the sensing circle body is to the branch
Roller sensing heating, sensing heating terminates, and the platform stops operating；During cooling, the sensing circle body is along the framework first
Interior Slideslip rises to the bottom of the sensing circle body and leaves the thrust wheel completely, and the platform is rotated around the support shaft
The thrust wheel is driven to rotate, the nozzle of the spray hood is cooled down to the thrust wheel injection solution in rotation.
Preferably, the sensing circle body is fixedly attached to the first sliding shoe by the first connector, and the of the framework
One inner side is provided with the first chute, and the sensing circle body is slided up and down by first sliding shoe along first chute.
Preferably, first sliding shoe connects high-frequency induction heating power and Medium frequency induction respectively by selecting switch
Heating power supply, the sensing circle body is electrically connected to the high-frequency induction heating power by the selecting switch or Medium frequency induction adds
Thermoelectric generator.
Preferably, the spray hood is fixedly attached to the second sliding shoe, the second of the framework by the second connector
Inner side is provided with the second chute, and the spray hood is slided up and down by the second sliding shoe along second chute.
Preferably, the spray hood is connected to fluid reservoir by second sliding block, during cooling, and the spray hood passes through
Second sliding block is sprayed the thrust wheel by the nozzle again from the fluid reservoir draw solution.
Preferably, the platform is provided with the first limited block and the second limited block, and the platform is rotated around the support shaft
When driving the thrust wheel rotation, first limited block and second limited block are used to prevent institute to thrust wheel positioning
State thrust wheel sideslip.
Preferably, first limited block and second limited block are distributed in institute by axial symmetry of the Platform center
State on platform；The distance of first limited block and second limited block is equal to the diameter of thrust wheel bottom inner ring, makes
When obtaining the thrust wheel placement platform, first limited block and second limited block are just by the bottom of the thrust wheel
Portion's inner ring covers the positioning for realizing the thrust wheel.
Preferably, the framework includes cover plate and rotary shaft, and described cover plate one end and the second side of the framework are led to
Cross rotary shaft rotatable connection；Be provided with groove below the cover plate other end, the framework close to the side of the groove be provided with to
Provided with the projection engaged with the groove, the projection above the horizontal supporting plate of extension inside framework, the horizontal supporting plate
Engage place with the groove to be provided with for sealed sealing ring.
Preferably, liquid crystal touch screen is provided with the outside of the framework, during for showing the temperature in the framework, heating
Between, solution temperature, spray time；By the liquid crystal touch screen, set the high-frequency induction heating power access frequency and
The access frequency of the intermediate frequency induction heating power supply.
The present invention at least includes following beneficial effect：
1) circle body and spray hood are sensed with thrust wheel shape identical using shape, senses circle body and spray hood to thrust wheel
The distance of outer surface is identical：During sensing heating, thrust wheel appearance is heated evenly；During cooling, the cooling of thrust wheel outer surface is uniform, solution
Hardness after thrust wheel quenching in the prior art of having determined the problem of differ, has the advantages that thrust wheel hardness uniformity；
2) switching between high-frequency induction heating power and intermediate frequency induction heating power supply is realized by selecting switch, promotes branch
Roller realizes the alternating mode of heating of high-frequency induction heating power sensing heating and intermediate frequency induction heating power supply sensing heating, enters one
Step improves the hardness and quenching efficiency of thrust wheel；
3) platform be provided with the first limited block and the second limited block, realize the positioning of thrust wheel, prevent thrust wheel platform around
Sideslip when being rotated under the drive that support shaft is rotated；
4) cover plate is rotatably coupled to the projection card of the groove and horizontal supporting plate on framework one side, cover plate by rotating shaft
Close, and sealing ring is provided with engaging, cover plate is rotarily opened by rotating shaft provides facility to place thrust wheel in platform；Cover plate passes through
Rotating shaft is rotating closed, and a heat-insulated environment of sealing is provided for the quenching of thrust wheel；
5) by the liquid crystal touch screen being provided with the outside of framework, temperature, heat time, solution temperature that can in real time in display box body
Degree, spray time, can also set the access frequency of high-frequency induction heating power and the access frequency of intermediate frequency induction heating power supply,
It is convenient and swift.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of thrust wheel of the present invention；
Fig. 2 is the structural representation of the quenching unit of thrust wheel of the present invention；
Fig. 3 is the top view of the quenching unit of thrust wheel of the present invention；
Fig. 4 is the flow chart of thrust wheel process for quenching of the present invention.
In figure：
10- frameworks；11- cover plates；12- rotary shafts；13- grooves；14- horizontal supporting plates；15- projections；16- lcd touches
Screen；The inner sides of 17- first；The inner sides of 18- second；
20- heating units；21- thrust wheels；22- platforms；The limited blocks of 221- first；The limited blocks of 222- second；23- induction coils
Body；The connectors of 24- first；The sliding shoes of 25- first；26- support shafts；
30- cooling units；31- spray hoods；311- nozzles；The connectors of 32- second；33- the second sliding shoes.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
Embodiment 1
Fig. 1 is the structural representation of thrust wheel of the present invention, and Fig. 2 and Fig. 3 show one kind of the embodiment of the present invention 1
Way of realization.
From Fig. 2 and Fig. 3, the quenching unit of thrust wheel of the present invention, including：Framework 10, for providing one
Seal heat-insulated environment；Heating unit 20, for carrying out sensing heating to thrust wheel 21；Heating unit 20 includes being used to carry Zhi Chong
The platform 22 of wheel 21, the sensing circle body 23 for heating thrust wheel 21 and the support shaft 26 for rotation：Platform 22 is located at branch
Support the top of axle 26 and rotated under the drive of support shaft 26；It is a hollow columnar and shape and the phase of thrust wheel 21 to sense circle body 23
Same cylinder, the size of sensing circle body 23 is just to be set in the outside of thrust wheel 21；Sensing circle body 23 is slidably connected to framework
10 the first inner side 17；And cooling unit 30, for being cooled down to the thrust wheel 21 after the heated sensing heating of unit 20；
Cooling unit 30 includes spray hood 31, and the shape of spray hood 31 is identical with thrust wheel 21, and spray hood 31 is located at the top of platform 22 and set
It is located at the outside of sensing circle body 23；Spray hood 31 is slidably connected to the second inner side 18 corresponding with the first inner side 17 in framework 10；
The inner side of spray hood 31 is provided with matrix arrangement, size identical nozzle 311, and nozzle 311 is towards thrust wheel 21；Wherein, sensing adds
When hot, platform 22 is rotated around support shaft 26 drives thrust wheel 21 to rotate, and sensing circle body 23 adds to the sensing heating of thrust wheel 21, sensing
Thermojunction beam, platform 22 stops operating；During cooling, sensing circle body 23 slides along the inner side of framework 10 first 17 and rises to sensing circle body 23
Bottom and leave thrust wheel 21 completely, be easy to nozzle 311 to spray thrust wheel 21；Platform 22 is around the rotational band of support shaft 26
Dynamic thrust wheel 21 is rotated, and the injection solution of thrust wheel 21 during 311 pairs of the nozzle of spray hood 31 is rotated is cooled down.
In the present embodiment, thrust wheel 21 rotates the uniform fanging noz(zle) 311 in the place for causing its surface to be located at same level
Injection, sense circle body 23 shape and spray hood 31 shape it is identical with the shape of thrust wheel 21 respectively so that sensing circle body
The 23 equal, spray hood 31 of each place distance to the outer surface of thrust wheel 21 arrives each local distance of the outer surface of thrust wheel 21
It is all equal, so that spray hood 31 when circle body 23 is sensed when promoting sensing heating to the outer surface homogeneous heating of thrust wheel 21, cooling
Nozzle 311 is uniform to the outer surface of thrust wheel 21 injection solution cooling, has reached the uniform effect of the hardness of thrust wheel 21, has improved branch
The quality of roller 21.
Sensing circle body 23 is fixedly attached to the first sliding shoe 25 by the first connector 24, and the first inner side 17 of framework 10 is set
There is the first chute (not shown), sensing circle body 23 is slided up and down by the first sliding shoe 25 along the first chute.Enter one
Step ground, the first sliding shoe 25 connects high-frequency induction heating power respectively by selecting switch (not shown) and Medium frequency induction adds
Thermoelectric generator, sensing circle body 23 is electrically connected to high-frequency induction heating power or intermediate frequency induction heating power supply by selecting switch.High frequency
Induction heating power quenching hard formation is shallow, hardness is high, the time is short, and intermediate frequency induction heating power supply quenching hard formation is deep, hardness is omited than high frequency
The small, time is long, and the switching between high-frequency induction heating power and intermediate frequency induction heating power supply is realized by selecting switch, so as to promote
Thrust wheel 21 is set to realize the alternating heating of high-frequency induction heating power sensing heating and intermediate frequency induction heating power supply sensing heating, phase
The intermediate frequency induction heating power supply heating more single than in the prior art, further increases the hardness and quenching efficiency of thrust wheel 21.
Spray hood 31 is fixedly attached to the second sliding shoe 33 by the second connector 32, and the second inner side 18 of framework 10 is provided with
Second chute (not shown), spray hood 31 is slided up and down by the second sliding shoe 33 along the second chute.Further,
Spray hood 31 is connected to fluid reservoir (not shown) by the second sliding block 33, during cooling, and spray hood 31 passes through the second sliding block 33
Thrust wheel 21 is sprayed by nozzle 311 again from fluid reservoir draw solution.
Platform 22 is provided with the first limited block 221 and the second limited block 222, and platform 22 rotates around support shaft 26 and drives thrust wheel
During 21 rotation, the first limited block 221 and the second limited block 222 are used to prevent thrust wheel 21 from running in rotation the positioning of thrust wheel 21
Partially.Further, the first limited block 221 and the second limited block 222 are distributed over the platform 22 by axial symmetry of the center of platform 22；The
The distance of one limited block 221 and the second limited block 222 is equal to the diameter of the bottom inner ring of thrust wheel 21 so that thrust wheel 21 is placed flat
During platform 22, the first limited block 221 and the second limited block 222 are just covered by the bottom inner ring of thrust wheel 21 and realize thrust wheel 21
Positioning.
Framework 10 includes cover plate 11, and the one end of cover plate 11 is rotatably connected with the one side of framework 10 by rotary shaft 12；Cover plate
Groove 13 is provided with below 11 other ends, framework 10 is provided with the horizontal supporting plate extended to the inside of framework close to the side of groove 13
14, the top of horizontal supporting plate 14 is provided with the projection 15 engaged with groove 13, and projection 15 engages place with groove 13 and is provided with for sealing
Sealing ring.The present embodiment cover plate 11 realizes and opened and closure that the unlatching of cover plate 11 is placement by the rotation of rotary shaft 12
Thrust wheel 21 provides facility in platform 22, and the closure of cover plate 11 provides a heat-insulated environment of sealing for the quenching of thrust wheel 21.
The outside of framework 10 is provided with liquid crystal touch screen 16, for the temperature in display box body, heat time, solution temperature, spray
The pouring time；By liquid crystal touch screen, the access frequency and intermediate frequency induction heating power supply of high-frequency induction heating power is set or adjusted
Access frequency.It is display in real time, simple, convenient quick.
It is pointed out that in the present embodiment, the solution in fluid reservoir to the spray of thrust wheel 21 for cooling down
Liquid, usual solution uses water or oil, the preferred water of the present embodiment, cleanliness without any pollution, environmental protection.
Embodiment 2
On the basis of embodiment 1, embodiment 2 is that the quenching unit for the thrust wheel that Application Example 1 is provided is quenched
Method.Fig. 4 is the flow chart of thrust wheel process for quenching of the present invention, shows a kind of realization of the embodiment of the present invention 2
Form.As shown in Figure 4, the process for quenching step of thrust wheel 21 is as follows：
S1：Place in platform 22, position thrust wheel 21：Rotary shaft 12 is rotated, groove 13 is separated with projection 15, and cover plate 11 is opened
Open, thrust wheel 21 is positioned over the limited block 222 of the limited block of platform 22 to the first 221 and second just by thrust wheel 21 by manipulator
Bottom inner ring is covered；Rotary shaft 12 is rotated, groove 13 engages with projection 15, and cover plate 11 is closed；
S2：High-frequency induction heating and Frequency Induction Heating are carried out successively to thrust wheel 21：Platform 22 is rotated around support shaft 26
Thrust wheel 21 is driven to rotate；Sensing circle body 23 is connected to high-frequency induction heating power by selecting switch, to the thrust wheel of rotation
21 carry out high-frequency heating to 900 DEG C ± 30 DEG C, are incubated 30 seconds；Sensing circle body 23 is connected to Medium frequency induction by selecting switch switching
Heating power supply, heating in medium frequency is carried out to thrust wheel 21 to 870 DEG C ± 30 DEG C, platform 22 stops operating, and is incubated 15 seconds；
S3：Thrust wheel 21 after sensing heating is cooled down：Sense circle body 23 and stop heating, sensing circle body 23 is slided by first
Block 25 leaves thrust wheel 21 completely along the first chute upward sliding to the bottom for sensing circle body 23；Platform 22 is rotated around support shaft 26
Thrust wheel 21 is driven to rotate, the solution of fluid reservoir is sprayed after sensing heating by the second sliding block 33 by the nozzle 311 of spray hood 31
Thrust wheel 21；After 90 seconds, nozzle 311 stops injection.
The thrust wheel process for quenching that the present embodiment is provided, by the switching of change-over switch, thrust wheel 21 realizes high-frequency induction
The alternating heating that heating power supply is heated and intermediate frequency induction heating power supply is heated, further increases hardness and the quenching of thrust wheel 21
Efficiency.High-frequency heating to 900 DEG C ± 30 DEG C, insulation 30 seconds, intermediate frequency induction heating power supply be heated to 870 DEG C ± 30 DEG C, insulation 15
Second, nozzle 311 sprays 90 seconds, and the alternating of high-frequency induction heating power sensing heating and intermediate frequency induction heating power supply sensing heating adds
The selection of hot mode and above parameter, compared with prior art in single intermediate frequency induction heating power supply heating, thrust wheel 21 reaches
Optimal hardness and quenching efficiency are arrived.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With.It can be applied to various suitable the field of the invention completely.Can be easily for those skilled in the art
Realize other modification.Therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (6)
1. a kind of quenching unit of thrust wheel, it is characterised in that including：
Framework, for providing a heat-insulated environment of sealing；
Heating unit, for carrying out sensing heating to thrust wheel；The heating unit includes being used to carry the flat of the thrust wheel
Platform, the sensing circle body for heating the thrust wheel and the support shaft for rotation：The platform is located at the support shaft
Top and the rotation under the drive of the support shaft；The sensing circle body is a hollow columnar and shape is identical with the thrust wheel
Cylinder, the size of the sensing circle body is just to be set in the outside of the thrust wheel；The sensing circle body is slidably connected to
First inner side of the framework；And,
Cooling unit, for being cooled down to the thrust wheel after the heating unit sensing heating；The cooling unit includes
Spray hood, the spray hood shape is identical with the thrust wheel, and the spray hood is located above the platform and is set in described
The external side of induction coil；The spray hood is slidably connected to the second inner side corresponding with the described first inner side in the framework；Institute
The inner side for stating spray hood is provided with matrix arrangement, size identical nozzle, and the nozzle is towards the thrust wheel；
Wherein, during sensing heating, the platform is rotated around the support shaft drives the thrust wheel to rotate, the sensing circle body pair
The thrust wheel sensing heating, sensing heating terminates, and the platform stops operating；
During cooling, sensing circle body Slideslip along along the framework first rise to it is described sensing circle body bottom and completely from
The thrust wheel is opened, the platform is rotated around the support shaft drives the thrust wheel to rotate, and the nozzle of the spray hood is to turning
Thrust wheel injection solution in dynamic is cooled down；
The sensing circle body is fixedly attached to the first sliding shoe by the first connector, and the first inner side of the framework is provided with first
Chute, the sensing circle body is slided up and down by first sliding shoe along first chute；
The spray hood is fixedly attached to the second sliding shoe by the second connector, and the second inner side of the framework is slided provided with second
Groove, the spray hood is slided up and down by the second sliding shoe along second chute；
First sliding shoe connects high-frequency induction heating power and intermediate frequency induction heating power supply respectively by selecting switch, described
Sensing circle body is electrically connected to the high-frequency induction heating power or intermediate frequency induction heating power supply by the selecting switch.
2. the quenching unit of thrust wheel as claimed in claim 1, it is characterised in that the spray hood passes through second sliding block
Fluid reservoir is connected to, during cooling, the spray hood is by second sliding block from the fluid reservoir draw solution again by described
Nozzle is sprayed the thrust wheel.
3. the quenching unit of thrust wheel as claimed in claim 1, it is characterised in that the platform is provided with the first limited block and the
Two limited blocks, the platform is rotated around the support shaft when driving the thrust wheel to rotate, first limited block and described the
Two limited blocks are used to prevent the thrust wheel sideslip to thrust wheel positioning.
4. the quenching unit of thrust wheel as claimed in claim 3, it is characterised in that first limited block and second limit
Position block is distributed on the platform by axial symmetry of the Platform center；First limited block and second limited block away from
From the diameter equal to thrust wheel bottom inner ring so that when the thrust wheel places the platform, first limited block and
Second limited block is just covered the positioning for realizing the thrust wheel by the bottom inner ring of the thrust wheel.
5. the quenching unit of the thrust wheel as any one of claim 2 or 4, it is characterised in that the framework includes lid
Plate and rotary shaft, described cover plate one end are rotatably connected with the second side of the framework by rotary shaft；The cover plate other end
Lower section is provided with groove, and the framework is provided with the horizontal supporting plate extended to the inside of framework, the water close to the side of the groove
Provided with the projection engaged with the groove above flat supporting plate, the projection engages place with the groove and is provided with for sealedly close
Seal.
6. the quenching unit of thrust wheel as claimed in claim 5, it is characterised in that lcd touch is provided with the outside of the framework
Screen, for showing the temperature in the framework, heat time, solution temperature, spray time；By the liquid crystal touch screen, if
Put the access frequency of the high-frequency induction heating power and the access frequency of the intermediate frequency induction heating power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481970.2A CN105063303B (en) | 2015-08-03 | 2015-08-03 | The quenching unit of thrust wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481970.2A CN105063303B (en) | 2015-08-03 | 2015-08-03 | The quenching unit of thrust wheel |
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| CN105063303A CN105063303A (en) | 2015-11-18 |
| CN105063303B true CN105063303B (en) | 2017-10-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105907926A (en) * | 2016-06-03 | 2016-08-31 | 昆山土山***件有限公司 | Composite medium thrust wheel heat treatment technology |
| CN105821195B (en) * | 2016-06-03 | 2017-12-08 | 昆山土山***件有限公司 | The heat stepwise Cooling Quenching technique of thrust wheel wheel body |
| CN106435122A (en) * | 2016-12-16 | 2017-02-22 | 大连圣洁真空技术开发有限公司开发区分公司 | Heating induction quenching device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5360963A (en) * | 1991-05-31 | 1994-11-01 | Contour Hardening, Inc. | Apparatus for and method of induction-hardening machine components |
| JPH07224327A (en) * | 1993-07-21 | 1995-08-22 | Fuji Denshi Kogyo Kk | High-frequency hardening method and high-frequency hardening device of nearly cylindrical work |
| CN201990710U (en) * | 2011-03-02 | 2011-09-28 | 连云港东睦江河粉末冶金有限公司 | Water spraying device of gear induction quencher |
| CN103451384A (en) * | 2012-05-28 | 2013-12-18 | 泰州市宏祥动力机械有限公司 | Cam induction heating composite coil |
| CN202830103U (en) * | 2012-10-08 | 2013-03-27 | 上海上大热处理有限公司 | Spraying jacket of gear induction quencher |
| CN104109739B (en) * | 2014-07-28 | 2017-03-22 | 常熟华威履带有限公司 | Induction quenching device of guide wheel of hydraulic excavator and quenching method of novel induction quenching device |
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