CN113832305A - Shaft head surface quenching inductor for multi-step shaft of heavy mine bridge drive axle - Google Patents
Shaft head surface quenching inductor for multi-step shaft of heavy mine bridge drive axle Download PDFInfo
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- CN113832305A CN113832305A CN202110915300.2A CN202110915300A CN113832305A CN 113832305 A CN113832305 A CN 113832305A CN 202110915300 A CN202110915300 A CN 202110915300A CN 113832305 A CN113832305 A CN 113832305A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/28—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for plain shafts
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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 invention relates to a shaft head surface quenching inductor for a multi-step shaft of a heavy mine bridge drive axle, which comprises a semi-surrounding coil structure for heating the multi-step shaft head, wherein the semi-surrounding coil structure comprises a U-shaped induction coil and a first induction coil and a second induction coil which are positioned on two sides of the multi-step shaft head, the plane where the first induction coil and the second induction coil are positioned is vertical to the plane where the U-shaped induction coil is positioned, the multi-step shaft head is positioned in the U-shaped induction coil, the plane where the U-shaped induction coil is positioned is vertical to the axis of the multi-step shaft head, the shapes of the first induction coil and the second induction coil correspond to the outer edge contours of the two sides of the multi-step shaft head, and a plurality of magnetizers are arranged on the semi-surrounding coil structure. Therefore, each section of the multi-step shaft head has high hardness and uniform heating, the depth of a hardening layer is qualified, and the strength and the heat treatment quality of parts are improved.
Description
Technical Field
The invention relates to the technical field of quenching inductors, in particular to a shaft head surface quenching inductor for a multi-step shaft of a heavy mine bridge driving axle.
Background
Induction heating surface quenching is a process method for obtaining a martensite structure by utilizing the heat effect generated by induction current passing through the surface of a workpiece to rapidly heat the local part of the surface of the workpiece and then rapidly cool the workpiece. The induction quenching treatment can improve the technical performances of the mechanical parts such as strength, wear resistance and the like, the quenching inductor is a core device of an induction quenching process, the shaft head of the multi-step shaft is an important part of a 150T mine bridge drive axle, the part is a hollow variable cross-section stepped shaft, and in order to meet the use requirement, the technical requirement of surface quenching is as follows: the surface hardness HRC55-60 of the whole surface quenching area, the effective hardening layer depth is 3mm at the minimum and 5 mm at the maximum, a medium-frequency heating surface quenching method is generally frequently used, the currently frequently used inductor is an annular continuous heating inductor, an annular water spraying ring is connected below the inductor for cooling, but the shaft head is multi-step, the annular continuous induction heating mode heating is uneven due to different distances between the surface of the shaft head of each step and the inductor, and the surface of the whole workpiece required to be quenched cannot reach the preset quenching temperature at the same time, so that the use requirement cannot be met.
Therefore, how to overcome the above-mentioned deficiencies in the conventional technologies becomes an important technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention provides a shaft head surface quenching inductor for a multi-step shaft of a heavy mine bridge driving axle, which aims to solve the problems that the existing inductor used for quenching the shaft head of the multi-step shaft is an annular continuous heating inductor, an annular water spraying ring is connected below the inductor for cooling, but the shaft head is multi-step, the annular continuous induction heating mode is not uniform in heating due to different distances from the surface of the shaft head of each step to the inductor, the whole surface of a workpiece required to be quenched cannot reach a preset quenching temperature at the same time, and the use requirement cannot be met by the mode.
The invention discloses a shaft head surface quenching inductor for a multi-step shaft of a heavy mine bridge driving axle, which adopts the following technical scheme:
a shaft head surface quenching inductor for a multi-step shaft of a heavy mine bridge drive axle comprises a semi-surrounding coil structure for heating the multi-step shaft head, wherein the semi-surrounding coil structure comprises a U-shaped induction coil and a first induction coil and a second induction coil which are positioned on two sides of the multi-step shaft head, the plane where the first induction coil and the second induction coil are positioned is vertical to the plane where the U-shaped induction coil is positioned, one end of the U-shaped induction coil is connected with the lower part of the first induction coil, the other end of the U-shaped induction coil is connected with the lower part of the second induction coil and extends backwards, the multi-step shaft head is positioned between the first induction coil and the second induction coil and is semi-surrounded by the U-shaped induction coil, the plane where the U-shaped induction coil is positioned is vertical to the axis of the multi-step shaft head, and the shapes of the first induction coil and the second induction coil are opposite to the outline of the outer edges of two sides of the multi-step shaft head And a plurality of magnetizers are arranged on the semi-surrounding coil structure.
Preferably, the semi-surrounding coil structure is formed by welding copper pipes, and the insides of the semi-surrounding coil structure are communicated with each other.
Preferably, the upper end of the first induction coil and the upper end of the second induction coil are connected through a U-shaped frame, a plane where the U-shaped frame is located is perpendicular to a plane where the first induction coil and the second induction coil are located and extends rearward, the U-shaped frame includes a first side frame, a connection frame and a second side frame, the connection frame is fixedly connected between the first side frame and the second side frame to form a "U" -shaped structure, a free end of the first side frame is perpendicularly connected with an upper end of the first induction coil, a free end of the second side frame is perpendicularly connected with an upper end of the second induction coil, and the multi-step shaft head is located between the first side coil and the second side coil.
Preferably, a first connecting plate and a second connecting plate which are connected with a machine tool load and arranged on the left and right sides are fixed at the rear end of the connecting frame through a connecting pipe, the first connecting plate and the second connecting plate are connected through an insulating plate, the insulating plate penetrates through the connecting frame, and the first connecting plate, the insulating plate and the second connecting plate are connected through connecting pieces.
Preferably, the front ends of the first connecting plate and the second connecting plate are further provided with a water inlet nozzle and a water outlet nozzle for cooling water to enter and exit, and the water inlet nozzle and the water outlet nozzle are arranged on the left and right sides and extend downwards to pass through the connecting pipe to be communicated with the semi-surrounding coil structure.
Preferably, the multi-step shaft head cooling device further comprises a spraying device and a control device, wherein the spraying device and the control device are used for cooling the heated multi-step shaft head, the control device is connected with the spraying device in a communication mode, the spraying device comprises two spraying plates and a cooling liquid storage tank, the spraying plates can spray cooling liquid, the spraying plates are communicated with the cooling liquid storage tank through pipelines, the two spraying plates are respectively arranged on two sides of the first induction coil and the second induction coil, and a plurality of spraying openings are formed in the spraying plates.
Preferably, the front ends of the water inlet nozzle and the water outlet nozzle are also provided with base plates, and the base plates are perpendicular to the first connecting plate and the second connecting plate.
Preferably, the nozzle plate is a rectangular parallelepiped structure.
Preferably, the copper tube has a thickness of 8 mm.
Preferably, the connecting member is a bolt.
The invention has the beneficial effects that: (1) the U-shaped induction coil semi-surrounds the multi-step shaft head, and the shapes of the first induction coil and the second induction coil correspond to the outer edge profiles of two sides of the multi-step shaft head, so that the multi-step shaft head is high in hardness of each section, uniform in heating and qualified in hardening layer depth, and the strength and the heat treatment quality of parts are improved; (2) the simultaneous induction quenching heating method is adopted, so that the surface of the whole workpiece requiring quenching simultaneously reaches the preset quenching temperature, the working procedures are simplified, and the cost is reduced; (3) the scheme has simple structure, easy manufacture and convenient part loading and unloading; (4) the quenching inductor can cover the whole quenching area and has high efficiency; (5) the quenching inductor is not easy to deform, and the processing precision of parts is improved. The problem of the inductor that the spindle nose of current multi-step axle quenches and uses for annular continuous heating inductor, connect an annular water spray ring below this inductor and cool off, but this spindle nose is the multi-step, because the distance of the spindle nose surface of each step apart from the inductor is different, can lead to the mode heating inhomogeneous of annular continuous induction heating, and the whole work piece surface that requires to quench can not reach predetermined quenching temperature simultaneously, this kind of mode can not satisfy the operation requirement is solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
FIG. 1 is a front view of a quench inductor in an embodiment of the present invention;
FIG. 2 is a top view of a quench inductor in an embodiment of the present invention;
fig. 3 is a left side view of the quench inductor in an embodiment of the present invention.
In the figure:
1-U-shaped induction coil, 2-first induction coil, 3-second induction coil, 4-U-shaped frame, 5-first side frame, 6-connecting frame, 7-second side frame, 8-magnetizer, 9-first connecting plate, 10-second connecting plate, 11-insulating plate, 12-bolt, 13-water inlet nozzle, 14-water outlet nozzle, 15-connecting pipe, 16-base plate, 17-spraying plate and 18-supporting plate.
Concrete implementation square chamber
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1 to 3, the present embodiment provides a multi-step axle head surface quenching inductor for a heavy-duty axle of an axle drive of an axle, comprising a half surrounding coil structure for heating a multi-step axle head, as shown in fig. 1 and 2, the half surrounding coil structure comprising a U-shaped induction coil 1 and first and second induction coils 2 and 3 located at both sides of the multi-step axle head, the first and second induction coils 2 and 3 being located on a plane perpendicular to a plane on which the U-shaped induction coil 1 is located, one end of the U-shaped induction coil 1 being connected to a lower portion of the first induction coil 2, the other end thereof being connected to a lower portion of the second induction coil 3 and extending rearward, the multi-step axle head being located between the first and second induction coils 2 and 3 and being half surrounded by the U-shaped induction coil 1, the plane on which the U-shaped induction coil 1 is located being perpendicular to an axis of the multi-step axle head, the shape of first induction coil 2 and second induction coil 3 corresponds with the outward flange profile of many step axle spindle nose both sides, each position that makes many step spindle nose's surface and first induction coil 2 or second induction coil 3's distance is equal, so, can guarantee that the workpiece surface is heated evenly, specifically, half surrounds coil structure and is formed by the welding of copper pipe, and inside intercommunication each other, it needs to explain that, the thickness of copper pipe is 8mm, the cross sectional shape of copper pipe is the quadrangle, concrete size can also make corresponding adjustment according to actual conditions.
Furthermore, a plurality of magnetizers 8 are arranged on the semi-surrounding coil structure, a multi-step shaft head workpiece is placed in the semi-surrounding coil structure, the front, back, left and right positions of the U-shaped induction coil 1, the first induction coil 2, the second induction coil 3 and the workpiece are well adjusted, then a quenching machine tool switch is started, the semi-surrounding coil structure is not moved, the workpiece rotates at a high speed, when alternating current passes through the semi-surrounding coil structure, an alternating magnetic field with the same frequency as the current is generated around the semi-surrounding coil structure, induced electromotive force is correspondingly generated in the workpiece, induced current, namely eddy current, is formed on the surface of the workpiece, and under the action of the workpiece resistor, the electric energy of the eddy current is converted into heat energy, so that the surface temperature of the workpiece quickly reaches the quenching heating temperature, and the magnetizers 8 are increased and decreased at different places according to the quenching process requirements of the multi-step shafts, so that the workpiece is uniformly heated.
So set up, the inductor that has solved the spindle nose quenching of current multi-step axle and has used is annular continuous heating inductor, connects an annular water spray ring below this inductor and cools off, but this spindle nose is the multi-step, because the spindle nose surface of each step is different apart from the distance of inductor, can lead to annular continuous induction heating's mode to heat inhomogeneous, and the whole work piece surface that requires to quench can not reach predetermined quenching temperature simultaneously, and this kind of mode can not satisfy operation requirement's problem.
In a preferred embodiment of the present invention, as shown in fig. 1 and 2, the upper end of the first induction coil 2 and the upper end of the second induction coil 3 are connected by a U-shaped frame 4, the plane of the U-shaped frame 4 is perpendicular to the plane of the first induction coil 2 and the plane of the second induction coil 3 and extends rearward, the U-shaped frame 4 includes a first side frame 5, a connecting frame 6 and a second side frame 7, the connecting frame 6 is fixedly connected between the first side frame 5 and the second side frame 7 to form a "U" -shaped structure, the free end of the first side frame 5 is perpendicular to the upper end of the first induction coil 2, the free end of the second side frame 7 is perpendicular to the upper end of the second induction coil 3, and the multi-step shaft head is located between the first side frame 5 and the second side frame 7.
Further, a first connecting plate 9 and a second connecting plate 10 which are connected with a machine tool load and arranged on the left and right are fixed at the rear end of the connecting frame 6 through a connecting pipe 15, the first connecting plate 9 and the second connecting plate 10 are connected through an insulating plate 11, the insulating plate 11 penetrates through the connecting frame 6, and the first connecting plate 9, the insulating plate 11 and the second connecting plate 10 are connected through a connecting piece, specifically, the connecting piece can be a bolt 12, and can also be of other structures, as the case may be; meanwhile, the connecting pipe 15 can also be formed by welding a copper pipe with the thickness of 8mm, and the first connecting plate 9 and the second connecting plate 10 are separated by the insulating plate 11, so that short circuit can be prevented, and the quenching efficiency and stability are ensured.
Furthermore, the front ends of the first connecting plate 9 and the second connecting plate 10 are further provided with a water inlet nozzle 13 and a water outlet nozzle 14 for cooling water to enter and exit, the water inlet nozzle 13 and the water outlet nozzle 14 are arranged left and right, and extend downwards to communicate with the semi-surrounding coil structure through a connecting pipe 15, because the insulating plate 11 passes through the connecting frame 6, the connecting frame 6 is separated into a left connecting frame and a right connecting frame by the insulating plate 11, and the first induction coil 2 and the second induction coil 3 are communicated through a rear-end pipeline, in order to ensure the structural stability, as shown in fig. 3, the bottom end of the connecting frame is fixedly connected with the rear-end pipeline through a supporting plate 18, specifically, a circulating cooling water path is formed between the water inlet nozzle 13, the connecting pipe 15, the U-shaped induction coil 1, the first induction coil 2 and the second induction coil 3 to cool the connecting plate and the semi-surrounding coil structure, and the circulating cooling water path is: the water inlet nozzle 13 → the connection pipe 15 → the left connection frame → the first side frame 5 → the first induction coil 2 → the U-shaped induction coil 1 → the second induction coil 3 → the second side frame 7 → the right connection frame → the connection pipe 15 → the water outlet nozzle 14.
It should be noted that, for structural stability, the base plate 16 is further disposed at the front ends of the water inlet nozzle 13 and the water outlet nozzle 14, and the base plate 16 is perpendicular to both the first connecting plate 9 and the second connecting plate 10.
In a preferred embodiment of the present embodiment, as shown in fig. 1, the quenching inductor further includes a spraying device and a control device for cooling the heated multi-step shaft head, the control device is communicably connected to the spraying device, the spraying device includes two spray plates 17 and a coolant storage tank, the spray plates 17 can spray coolant, the spray plates 17 are communicated with the coolant storage tank through a pipeline, the two spray plates 17 are respectively disposed on two sides of the first induction coil 2 and the second induction coil 3, the spray plates 17 are provided with a plurality of injection ports, and specifically, the spray plates 17 are configured as a rectangular parallelepiped structure.
It should be noted that, when the semi-surrounding coil structure heats the multi-step shaft head workpiece, the spraying device does not work, when the workpiece is heated, the workpiece and the semi-surrounding coil structure are cooled by starting the spraying device, and meanwhile, the circulating cooling water path at the water inlet nozzle 13 cools the semi-surrounding coil structure, the first connecting plate 9 and the second connecting plate 10.
In conclusion, a multi-step shaft head workpiece is placed in a semi-surrounding coil structure, the front, back, left and right positions of a U-shaped induction coil 1, a first induction coil 2, a second induction coil 3 and the workpiece are well adjusted, then a switch of a quenching machine tool is started, the semi-surrounding coil structure is not moved, the workpiece rotates at a high speed, when alternating current passes through the semi-surrounding coil structure, an alternating magnetic field with the same frequency as the current is generated around the semi-surrounding coil structure, induced electromotive force is correspondingly generated in the workpiece, induced current, namely eddy current, is formed on the surface of the workpiece, electric energy is converted into heat energy under the action of a workpiece resistor, the surface temperature of the workpiece rapidly reaches quenching heating temperature, magnetic conductors 8 are increased and decreased at different places according to the quenching process requirements of the multi-step shaft to enable the workpiece to be heated uniformly, then a control device is started, and the control device controls a spraying device to be started, the spray plates 17 on the two sides of the first induction coil and the second induction coil spray cooling liquid through the spray ports to rapidly cool the coils and the workpiece, so that surface quenching is realized.
Thus, the following problems are solved:
the surface quenching hardness of the shaft head quenching part of the multi-step shaft is low, the hardness is not uniform, the depth is not uniform and the like;
the quenching inductor in the embodiment is a simultaneous heating inductor, is manufactured by adopting the profile modeling design of the first induction coil 2, the second induction coil 3 and the edge profile of the multi-step shaft head according to the shape of the multi-step shaft head, and ensures uniform heating; when the semi-surrounding coil structure is heated, the semi-surrounding coil structure is not moved, and the multi-step shaft head workpiece rotates at a high speed, so that the surface of the workpiece surrounded by the semi-surrounding coil structure rapidly reaches the quenching temperature, and a heated surface with uniform surface hardness and qualified depth of a quenched layer is obtained;
the tempering process by a tempering furnace is reduced, the energy is saved, and the cost is reduced;
the method adopts a simultaneous induction heating method to ensure that the surface of the whole workpiece requiring hardening simultaneously reaches the quenching process temperature, then the spraying plate 17 of the spraying device is used for spraying water for cooling, the cooling time is controlled, the waste heat of the workpiece is self-tempered, the working procedure is simplified, and the cracking deformation is avoided.
It should be noted that the terms "first," "second," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another. The left and right directions are indicated when the quenching inductor is in the state of being arranged as shown in fig. 1, and the front and rear directions are indicated when an operator faces the semi-surrounding coil structure, namely the front direction extending towards the operator and the rear direction extending away from the operator.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A shaft head surface quenching inductor for a multi-step shaft of a heavy mine bridge drive axle is characterized by comprising a semi-surrounding coil structure for heating the multi-step shaft head, wherein the semi-surrounding coil structure comprises a U-shaped induction coil and a first induction coil and a second induction coil which are positioned on two sides of the multi-step shaft head, the plane of the first induction coil and the plane of the second induction coil are vertical to the plane of the U-shaped induction coil, one end of the U-shaped induction coil is connected with the lower part of the first induction coil, the other end of the U-shaped induction coil is connected with the lower part of the second induction coil and extends backwards, the multi-step shaft head is positioned between the first induction coil and the second induction coil and is semi-surrounded by the U-shaped induction coil, and the plane of the U-shaped induction coil is vertical to the axis of the multi-step shaft head, the shapes of the first induction coil and the second induction coil correspond to the outer edge profiles of two sides of the multi-step shaft head, and a plurality of magnetizers are arranged on the semi-surrounding coil structure.
2. The gudgeon quench inductor of claim 1, characterized in that said semi-encircling coil structure is welded from copper tubes and the interiors are interconnected.
3. The surface hardening inductor for a shaft head according to claim 2, wherein an upper end of the first induction coil and an upper end of the second induction coil are connected by a U-shaped frame, a plane of the U-shaped frame is perpendicular to a plane of the first induction coil and the second induction coil and extends rearward, the U-shaped frame includes a first side frame, a connection frame and a second side frame, the connection frame is fixedly connected between the first side frame and the second side frame to form a "U" shape, a free end of the first side frame is perpendicular to the upper end of the first induction coil, a free end of the second side frame is perpendicular to the upper end of the second induction coil, and the multi-step shaft is located between the first side coil and the second side coil.
4. The surface hardening sensor for a shaft head according to claim 3, wherein a first connection plate and a second connection plate, which are respectively connected to a load of a machine tool and are disposed left and right, are fixed to a rear end of the connection frame through connection pipes, the first connection plate and the second connection plate are connected to each other through an insulation plate, the insulation plate penetrates through the connection frame, and the first connection plate, the insulation plate, and the second connection plate are connected to each other through connection members.
5. The gudgeon quench sensor of claim 4, characterized in that the front ends of the first and second connecting plates are further provided with a water inlet nozzle and a water outlet nozzle for the inlet and outlet of cooling water, and the water inlet nozzle and the water outlet nozzle are arranged left and right and extend downwards to communicate with the semi-surrounding coil structure through the connecting pipes.
6. The gudgeon quench inductor of claim 1, further comprising a spray device and a control device for cooling the heated multi-step gudgeon, wherein the control device is communicably connected to the spray device, the spray device comprises two spray plates capable of spraying a cooling fluid and a cooling fluid storage tank, the spray plates are in communication with the cooling fluid storage tank through pipes, the two spray plates are respectively disposed on both sides of the first and second induction coils, and the spray plates are provided with a plurality of spray openings.
7. The gudgeon quench sensor of claim 5, characterized in that the front ends of the water inlet nozzle and the water outlet nozzle are further provided with base plates, and the base plates are perpendicular to the first connecting plate and the second connecting plate.
8. The gudgeon quench inductor of claim 6, characterized in that said jet plate is provided in the form of a rectangular parallelepiped.
9. The gudgeon quench inductor of claim 2, characterized in that the copper tube has a thickness of 8 mm.
10. The gudgeon quench sensor of claim 4, wherein the attachment is a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915300.2A CN113832305A (en) | 2021-08-10 | 2021-08-10 | Shaft head surface quenching inductor for multi-step shaft of heavy mine bridge drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915300.2A CN113832305A (en) | 2021-08-10 | 2021-08-10 | Shaft head surface quenching inductor for multi-step shaft of heavy mine bridge drive axle |
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| Publication Number | Publication Date |
|---|---|
| CN113832305A true CN113832305A (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110915300.2A Pending CN113832305A (en) | 2021-08-10 | 2021-08-10 | Shaft head surface quenching inductor for multi-step shaft of heavy mine bridge drive axle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087135A (en) * | 1998-09-09 | 2000-03-28 | High Frequency Heattreat Co Ltd | Induction heating and hardening apparatus for shaft member with foot |
| CN201447491U (en) * | 2009-07-03 | 2010-05-05 | 山东荣泰电炉制造有限公司 | Quenching inducer of stepped shafts |
| CN202246741U (en) * | 2011-07-12 | 2012-05-30 | 南阳市红阳锻造有限公司 | Surface quenching sensor of supporting shaft for engineering vehicle |
| CN210916149U (en) * | 2019-09-16 | 2020-07-03 | 南阳市红阳锻造有限公司 | Quenching inductor |
-
2021
- 2021-08-10 CN CN202110915300.2A patent/CN113832305A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087135A (en) * | 1998-09-09 | 2000-03-28 | High Frequency Heattreat Co Ltd | Induction heating and hardening apparatus for shaft member with foot |
| CN201447491U (en) * | 2009-07-03 | 2010-05-05 | 山东荣泰电炉制造有限公司 | Quenching inducer of stepped shafts |
| CN202246741U (en) * | 2011-07-12 | 2012-05-30 | 南阳市红阳锻造有限公司 | Surface quenching sensor of supporting shaft for engineering vehicle |
| CN210916149U (en) * | 2019-09-16 | 2020-07-03 | 南阳市红阳锻造有限公司 | Quenching inductor |
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