CN115449602A - Medium-frequency quenching inductor for piston rod of low-speed diesel engine and using method - Google Patents
Medium-frequency quenching inductor for piston rod of low-speed diesel engine and using method Download PDFInfo
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- CN115449602A CN115449602A CN202211158234.XA CN202211158234A CN115449602A CN 115449602 A CN115449602 A CN 115449602A CN 202211158234 A CN202211158234 A CN 202211158234A CN 115449602 A CN115449602 A CN 115449602A
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- inductor
- frequency quenching
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- 230000000171 quenching effect Effects 0.000 title claims abstract description 65
- 238000010791 quenching Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000006698 induction Effects 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000005219 brazing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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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
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
-
- 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
-
- 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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
Abstract
The invention provides a low-speed diesel engine piston rod intermediate frequency quenching inductor and a use method thereof, and the inductor comprises two groups of semicircular induction coils with the same structure, wherein one end of each group of semicircular induction coils is fixed with a connecting block, the other end of each group of semicircular induction coils is communicated with a first connecting pipe, the other end of each first connecting pipe is communicated with a second connecting pipe which is vertically arranged with the first connecting pipe, the tail end of each second connecting pipe is communicated with a head water inlet pipe, and the outer wall of each second connecting pipe is fixed with a connecting plate; a middle water inlet pipe is fixed on the outer wall of each group of semicircular induction coils and close to the end where the connecting block is located; when the induction coil is assembled, the two connecting plates are fixedly connected through the bolt assembly, and the two groups of semicircular induction coils are combined into an annular structure. The medium-frequency quenching inductor adopts a split two-half structure, so that the process of matching and installing the medium-frequency quenching inductor with the piston rod in the using process is simplified; and the induction heating and water spraying quenching integrated structure is adopted, so that the quenching quality is ensured, the quenching quality of the piston rod is further improved, and the surface hardness of the piston rod is ensured.
Description
Technical Field
The invention relates to a medium-frequency quenching inductor for a piston rod of a low-speed diesel engine and a using method thereof, belonging to the technical field of quenching.
Background
The two ends of the piston rod of the high-power low-speed diesel engine of the diesel engine are larger than the middle rod body part in size, the structure chart is shown in figure 20, the rod body part needs to move back and forth in the moving process of the piston rod to be wear-resistant, so the rod body part needs to be subjected to surface hardening treatment, the surface hardening needs to be realized by quenching, an integral induction coil is generally adopted for induction heating at present, and then the whole induction quenching process is realized by matching with a manual water spraying mode. The induction coil adopts an integral structure, and is inconvenient to install and match with the piston rod in the quenching process; in addition, the quenching mode of manual water spraying is adopted, so that the quenching effect cannot be ensured, and the surface hardness of the piston rod after quenching is influenced.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a medium frequency quenching inductor for a piston rod of a low-speed diesel engine and a using method thereof, wherein the medium frequency quenching inductor adopts a split type two-half structure, so that the process of matching and installing the medium frequency quenching inductor with the piston rod in the using process is simplified; and the induction heating and water spraying quenching integrated structure is adopted, so that the quenching quality is ensured, the quenching quality of the piston rod is further improved, and the surface hardness of the piston rod is ensured.
In order to achieve the technical features, the invention is realized as follows: the medium frequency quenching inductor for the piston rod of the low-speed diesel engine comprises two groups of semicircular induction coils with the same structure, wherein one end of each group of semicircular induction coils is fixedly provided with a connecting block, the other end of each group of semicircular induction coils is communicated with a first connecting pipe, the other end of each first connecting pipe is communicated with a second connecting pipe which is vertically arranged with the first connecting pipe, the tail end of each second connecting pipe is communicated with a head water inlet pipe, and the outer wall of each second connecting pipe is fixedly provided with a connecting plate; a middle water inlet pipe is fixed on the outer wall of each group of semicircular induction coils and close to the end where the connecting block is located; when the induction coil is assembled, the two connecting plates are fixedly connected through the bolt assembly, and the two groups of semicircular induction coils are combined into an annular structure.
The connecting block comprises a bolt mounting seat, a side plate is fixed on the outer wall of the bolt mounting seat, a bolt hole is processed in the center of the bolt mounting seat, and the side plate is welded at the end part of the semicircular induction ring and used for plugging the end part.
The bolt assembly comprises a first bolt penetrating through a bolt hole of the connecting block, and a nut is installed on the first bolt in a matched mode.
The semicircular induction coil comprises a rectangular pipe, and the end of the rectangular pipe is welded and blocked by brazing; the outer wall of the rectangular pipe is provided with a communicating hole communicated with the middle water inlet pipe, and a plurality of obliquely arranged water spraying holes are uniformly distributed and processed at the lower end vertex angle part of the rectangular pipe close to the inner side.
The angle of the water hole and the central axis of the semicircular induction coil form an included angle of 45 degrees;
the whole inductor is made of red copper material, and all parts are welded by brazing in the welding position.
The first connecting pipe is also a rectangular pipe and comprises a first straight pipe, and an inclined connector end is machined at the end, butted with the semicircular induction coil, of the first straight pipe.
The second connecting pipe also adopts a rectangular pipe and comprises a second straight pipe, and a rectangular hole is formed in one end, butted with the first connecting pipe, of the second straight pipe.
The connecting plate is including connecting the mainboard, and the one end processing of connecting the mainboard has multichannel open slot, and other end bending type becomes the otic placode, and the lateral wall welding of otic placode and second connecting pipe links to each other.
One middle water inlet pipe is connected with a bent pipe, and the other end of the bent pipe is arranged at the position where the two connecting blocks are butted.
The use method of the medium frequency quenching inductor for the piston rod of the low-speed diesel engine comprises the following steps:
the method comprises the following steps: when the piston rod needs to be quenched, firstly, the piston rod is vertically fixed on the side edge of a medium-frequency quenching machine tool through a clamp;
step two: selecting an inductor with a proper size according to the diameter of the piston rod, arranging two groups of semicircular induction coils outside the piston rod, and fixing the semicircular induction coils on a lifting seat of the intermediate frequency quenching machine tool through a connecting plate and a locking bolt;
step three: the open ends of the two groups of semicircular induction coils are fixedly connected through a connecting block and a bolt assembly;
step four: two head water inlet pipes are respectively communicated with a first water supply pipe; two middle water inlet pipes are respectively communicated with a second water supply pipe;
step five: starting the intermediate frequency quenching machine tool and carrying out induction heating on the rod body surface of the piston rod through the semicircular induction ring, heating the piston rod through the semicircular induction ring while the inductor rises when the piston rod is quenched, and cooling the lower part of the inductor through a water spray hole so as to achieve a quenching process;
step six: in the quenching process, the bent pipe cools and protects the connecting block at the joint of the semicircular induction coil.
The invention has the following beneficial effects:
1. the split type piston rod assembly adopts the two split-type half structures, so that the process of matching with the piston rod during the use process is simplified; and the induction heating and water spraying quenching integrated structure is adopted, so that the quenching quality is ensured, the quenching quality of the piston rod is further improved, and the surface hardness of the piston rod is ensured.
2. The inductor for medium-frequency induction quenching of the piston rod of the low-speed diesel engine solves the problem of medium-frequency surface quenching of the piston rod of the low-speed diesel engine, and solves the problem of inductor damage caused by the fact that a large amount of heat is easily generated at the connection part in the quenching process of the inductor by adding the bent pipe to the inductor to spray water to the connection block.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view of a connector block of the present invention.
Figure 3 is a side view of the connector block of the present invention.
Figure 4 is a cross-sectional view of a central water intake riser of the present invention.
Figure 5 is a side view of the middle inlet leg of the present invention.
Fig. 6 is a front view of a semicircular induction coil of the present invention.
Fig. 7 isbase:Sub>A viewbase:Sub>A-base:Sub>A of fig. 6 of the present invention.
Fig. 8 is a development view from B in fig. 7 according to the present invention.
Fig. 9 is a front view of a connection plate of the present invention.
Fig. 10 is a top view of the web of the present invention.
Figure 11 is a cross-sectional view of the head inlet tube of the present invention.
Figure 12 is a side view of the head inlet pipe of the present invention.
Fig. 13 is a sectional view of a second connection pipe of the present invention.
Fig. 14 is a view of the invention from the direction C of fig. 13.
Fig. 15 is a sectional view of a first connecting pipe of the present invention.
Fig. 16 is a view of the invention taken along line D of fig. 15.
FIG. 17 is a front view of an elbow of the invention.
Fig. 18 is a three-dimensional structural view of the present invention.
Fig. 19 is a view showing the construction of the present invention when it is used.
Fig. 20 is a piston rod structural view.
Fig. 21 is a view showing the use of the piston rod.
In the figure: the device comprises a connecting block 1, a nut 2, a first bolt 3, a bent pipe 4, a middle water inlet pipe 5, a semicircular induction ring 6, a first connecting pipe 7, a second connecting pipe 8, a head water inlet pipe 9, a connecting plate 10, a second water supply pipe 11, a first water supply pipe 12, a locking bolt 13, a lifting seat 14 and a piston rod 15;
a first straight pipe 701 and an inclined interface end 702;
a rectangular hole 801 and a second straight pipe 802;
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-21, the medium frequency quenching inductor for the piston rod of the low-speed diesel engine comprises two groups of semicircular induction coils 6 with the same structure, wherein one end of each group of semicircular induction coils 6 is fixed with a connecting block 1, the other end of each group of semicircular induction coils is communicated with a first connecting pipe 7, the other end of each first connecting pipe 7 is communicated with a second connecting pipe 8 which is vertically arranged with the first connecting pipe, the tail end of each second connecting pipe 8 is communicated with a head water inlet pipe 9, and the outer wall of each second connecting pipe 8 is fixed with a connecting plate 10; a middle water inlet pipe 5 is fixed on the outer wall of each group of semicircular induction coils 6 and close to the end of the connecting block 1; when the induction heating coil is assembled, the two connecting plates 1 are fixedly connected through a bolt assembly, and the two groups of semicircular induction coils 6 are combined into an annular structure. The inductor with the structure solves the problem of medium-frequency surface quenching of the piston rod of the low-speed diesel engine. By adopting the split two-half structure, the process of matching and installing the piston rod in the use process is simplified; and the induction heating and water spraying quenching integrated structure is adopted, so that the quenching quality is ensured, the quenching quality of the piston rod is further improved, and the surface hardness of the piston rod is ensured.
Further, the connecting block 1 comprises a bolt mounting seat 102, a side plate 101 is fixed on the outer wall of the bolt mounting seat 102, a bolt hole 103 is formed in the center of the bolt mounting seat 102, and the side plate 101 is welded to the end of the semicircular induction ring 6 and seals the end.
Further, the bolt assembly comprises a first bolt 3 penetrating through the bolt hole 103 of the connecting block 1, and a nut 2 is fittingly mounted on the first bolt 3.
Further, the semicircular induction coil 6 comprises a rectangular pipe 601, and the end of the rectangular pipe 601 is welded and sealed by brazing 602; a communication hole 603 is arranged on the outer wall of the rectangular pipe 601 and communicated with the middle water inlet pipe 5, and a plurality of obliquely arranged water spraying holes 604 are uniformly processed at the top corner part of the lower end of the rectangular pipe 601 close to the inner side.
Furthermore, the angle of the water hole 604 forms an included angle of 45 degrees with the central axis of the semicircular induction coil 6. By adopting the angle arrangement, the optimal water spraying effect is ensured, and the quenching and cooling effects are further ensured.
Further, the whole inductor is made of red copper material, and the parts are welded at the welding position by brazing. The induction heating inductor is made of red copper materials, so that a good induction heating effect is guaranteed, the service life of the inductor is prolonged, and the reliability of a connection part is guaranteed through brass welding.
Further, the first connecting pipe 7 is also a rectangular pipe, and includes a first straight pipe 701, and an inclined interface end 702 is processed at an end of the first straight pipe 701, which is in butt joint with the semicircular induction coil 6. The water injection into the semicircular induction coil 6 is facilitated by adopting the above-mentioned first connection pipe 7.
Further, the second connecting pipe 8 is also a rectangular pipe, and includes a second straight pipe 802, and a rectangular hole 801 is formed in one end, butted with the first connecting pipe 7, of the second straight pipe 802. The water is conveniently injected into the semicircular induction coil 6 by adopting the second connecting pipe 8.
Further, the connecting plate 10 includes a connecting main plate 1002, a plurality of open grooves 1003 are formed in one end of the connecting main plate 1002, the other end of the connecting main plate 1002 is bent to form an ear plate 1001, and the ear plate 1001 is connected with the outer side wall of the second connecting pipe 8 in a welding mode. The connecting plate 10 can be used for reliably and fixedly connecting the whole inductor with an intermediate frequency quenching machine tool, so that the whole inductor can be conveniently assembled.
The joint of the two semicircular induction coils 6 is easy to generate high temperature and damage in the quenching process, and in order to prevent the inductor from being easily damaged at the part, the part needs to be cooled in time. Therefore, furthermore, one middle water inlet pipe 5 is connected with an elbow 4, and the other end of the elbow 4 is arranged at the butt joint position of the two connecting blocks 1. By adopting the structure, in the quenching process, the elbow 4 sprays cold water to the connecting block 1 at the joint of the semicircular induction coil 6 for cooling protection.
Example 2:
the use method of the medium frequency quenching inductor for the piston rod of the low-speed diesel engine comprises the following steps:
the method comprises the following steps: when the piston rod 15 needs to be quenched, firstly, the piston rod 15 is vertically fixed on the side of the medium-frequency quenching machine tool through a clamp;
step two: selecting an inductor with a proper size according to the diameter of a piston rod 15, arranging two groups of semicircular induction coils 6 outside the piston rod 15, and fixing the induction coils on a lifting seat 14 of the medium-frequency quenching machine tool through a connecting plate 10 and a locking bolt 13;
step three: the open ends of the two groups of semicircular induction coils 6 are fixedly connected through the connecting block 1 and the bolt assembly;
step four: two head water inlet pipes 9 are respectively communicated with a first water supply pipe 12; two middle water inlet pipes 5 are respectively communicated with a second water supply pipe 11;
step five: starting the intermediate frequency quenching machine tool and carrying out induction heating on the rod body surface of the piston rod 15 through the semicircular induction coil 6, heating the piston rod through the semicircular induction coil 6 while the inductor rises when the piston rod is quenched, and cooling through the water spray holes 604 below the inductor to further achieve a quenching process;
step six: in the quenching process, the bent pipe 4 carries out cooling protection on the connecting block 1 at the joint of the semicircular induction coil 6.
Claims (10)
1. The medium-frequency quenching inductor for the piston rod of the low-speed diesel engine is characterized by comprising two groups of semicircular induction coils (6) with the same structure, wherein one end of each group of semicircular induction coils (6) is fixedly provided with a connecting block (1), the other end of each group of semicircular induction coils is communicated with a first connecting pipe (7), the other end of each first connecting pipe (7) is communicated with a second connecting pipe (8) which is vertically arranged with the first connecting pipe, the tail end of each second connecting pipe (8) is communicated with a head water inlet pipe (9), and the outer wall of each second connecting pipe (8) is fixedly provided with a connecting plate (10); a middle water inlet pipe (5) is fixed on the outer wall of each group of semicircular induction coils (6) and close to the end of the connecting block (1); during assembly, the two connecting plates (1) are fixedly connected through a bolt assembly, and the two groups of semicircular induction coils (6) are combined into an annular structure.
2. The medium frequency quenching inductor for the piston rod of the low-speed diesel engine as recited in claim 1, wherein: the connecting block (1) comprises a bolt mounting seat (102), a side plate (101) is fixed on the outer wall of the bolt mounting seat (102), a bolt hole (103) is machined in the center of the bolt mounting seat (102), and the side plate (101) is welded at the end part of the semicircular induction coil (6) and seals the end part.
3. The medium frequency quenching inductor for the piston rod of the low-speed diesel engine according to claim 1, characterized in that: bolt assembly is including first bolt (3) of passing bolt hole (103) of connecting block (1), and nut (2) are installed in the cooperation on first bolt (3).
4. The medium frequency quenching inductor for the piston rod of the low-speed diesel engine as recited in claim 1, wherein: the semicircular induction coil (6) comprises a rectangular pipe (601), and the end head of the rectangular pipe (601) is welded and sealed by brazing (602); a communicating hole (603) is arranged on the outer wall of the rectangular pipe (601) and is communicated with the middle water inlet pipe (5), and a plurality of obliquely arranged water spraying holes (604) are uniformly distributed and processed at the vertex angle part of the lower end of the rectangular pipe (601) close to the inner side.
5. The medium frequency quenching inductor for the piston rod of the low-speed diesel engine as recited in claim 4, wherein: the angle of the water hole (604) forms an included angle of 45 degrees with the central axis of the semicircular induction coil (6);
the whole inductor is made of red copper material, and all parts are welded by brazing in the welding position.
6. The medium frequency quenching inductor for the piston rod of the low-speed diesel engine according to claim 1, characterized in that: the first connecting pipe (7) is also a rectangular pipe and comprises a first straight pipe (701), and an inclined interface end (702) is machined at the end, butted with the semicircular induction coil (6), of the first straight pipe (701).
7. The medium frequency quenching inductor for the piston rod of the low-speed diesel engine as recited in claim 1, wherein: the second connecting pipe (8) is also a rectangular pipe and comprises a second straight pipe (802), and a rectangular hole (801) is formed in one end, butted with the first connecting pipe (7), of the second straight pipe (802).
8. The medium frequency quenching inductor for the piston rod of the low-speed diesel engine according to claim 1, characterized in that: the connecting plate (10) is including connecting mainboard (1002), and the one end processing of connecting mainboard (1002) has multichannel open slot (1003), and the other end bending type becomes otic placode (1001), and the lateral wall welding of otic placode (1001) and second connecting pipe (8) links to each other.
9. The medium frequency quenching inductor for the piston rod of the low-speed diesel engine according to claim 1, characterized in that: one middle water inlet pipe (5) is connected with an elbow pipe (4), and the other end of the elbow pipe (4) is arranged at the butt joint position of the two connecting blocks (1).
10. The use method of the intermediate frequency quenching inductor for the piston rod of the low-speed diesel engine as claimed in any one of claims 1 to 9, is characterized by comprising the following steps:
the method comprises the following steps: when the piston rod (15) needs to be quenched, firstly, the piston rod (15) is vertically fixed on the side edge of the medium-frequency quenching machine tool through a clamp;
step two: selecting an inductor with a proper size according to the diameter of a piston rod (15), arranging two groups of semicircular induction coils (6) outside the piston rod (15), and fixing the induction coils on a lifting seat (14) of the medium-frequency quenching machine tool through a connecting plate (10) and a locking bolt (13);
step three: the open ends of the two groups of semicircular induction coils (6) are fixedly connected through the connecting block (1) and the bolt assembly;
step four: two head water inlet pipes (9) are respectively communicated with a first water supply pipe (12); two middle water inlet pipes (5) are respectively communicated with a second water supply pipe (11);
step five: starting the intermediate frequency quenching machine tool, carrying out induction heating on the rod body surface of the piston rod (15) through the semicircular induction ring (6), heating the piston rod through the semicircular induction ring (6) while the inductor rises when the piston rod is quenched, and cooling through the water spray holes (604) below the inductor at the same time, thereby achieving the quenching process;
step six: in the quenching process, the bent pipe (4) carries out cooling protection on the connecting block (1) at the joint of the semicircular induction coil (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211158234.XA CN115449602A (en) | 2022-09-22 | 2022-09-22 | Medium-frequency quenching inductor for piston rod of low-speed diesel engine and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211158234.XA CN115449602A (en) | 2022-09-22 | 2022-09-22 | Medium-frequency quenching inductor for piston rod of low-speed diesel engine and using method |
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| Publication Number | Publication Date |
|---|---|
| CN115449602A true CN115449602A (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211158234.XA Pending CN115449602A (en) | 2022-09-22 | 2022-09-22 | Medium-frequency quenching inductor for piston rod of low-speed diesel engine and using method |
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| CN (1) | CN115449602A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB834297A (en) * | 1957-03-12 | 1960-05-04 | Paxman & Co Ltd Davey | Improvements in or relating to the induction hardening of metal articles |
| JPH07249484A (en) * | 1994-03-08 | 1995-09-26 | High Frequency Heattreat Co Ltd | Heating inductor with lead contact |
| CN2554889Y (en) * | 2002-04-28 | 2003-06-04 | 山东中实股份有限公司 | Electromagnetic induction heater |
| JP2007109521A (en) * | 2005-10-13 | 2007-04-26 | Meito Sangyo Kk | Heating coil |
| CN101148688A (en) * | 2006-09-19 | 2008-03-26 | 大连船用柴油机厂 | Surface hardening treatment method for large-power low-speed diesel engine piston bar |
| CN209162129U (en) * | 2018-12-25 | 2019-07-26 | 朱同川 | Upper half-turn rotary opening axis class quenches Medium frequency induction circle |
| CN210560574U (en) * | 2019-07-06 | 2020-05-19 | 永生重工有限公司 | Inductor for quenching thrust wheel |
| CN218372386U (en) * | 2022-09-22 | 2023-01-24 | 宜昌船舶柴油机有限公司 | Medium frequency quenching inductor for piston rod of low-speed diesel engine |
-
2022
- 2022-09-22 CN CN202211158234.XA patent/CN115449602A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB834297A (en) * | 1957-03-12 | 1960-05-04 | Paxman & Co Ltd Davey | Improvements in or relating to the induction hardening of metal articles |
| JPH07249484A (en) * | 1994-03-08 | 1995-09-26 | High Frequency Heattreat Co Ltd | Heating inductor with lead contact |
| CN2554889Y (en) * | 2002-04-28 | 2003-06-04 | 山东中实股份有限公司 | Electromagnetic induction heater |
| JP2007109521A (en) * | 2005-10-13 | 2007-04-26 | Meito Sangyo Kk | Heating coil |
| CN101148688A (en) * | 2006-09-19 | 2008-03-26 | 大连船用柴油机厂 | Surface hardening treatment method for large-power low-speed diesel engine piston bar |
| CN209162129U (en) * | 2018-12-25 | 2019-07-26 | 朱同川 | Upper half-turn rotary opening axis class quenches Medium frequency induction circle |
| CN210560574U (en) * | 2019-07-06 | 2020-05-19 | 永生重工有限公司 | Inductor for quenching thrust wheel |
| CN218372386U (en) * | 2022-09-22 | 2023-01-24 | 宜昌船舶柴油机有限公司 | Medium frequency quenching inductor for piston rod of low-speed diesel engine |
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