CN101885065A - Device and repair process for repairing train wheel by precise injection method - Google Patents
Device and repair process for repairing train wheel by precise injection method Download PDFInfo
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- CN101885065A CN101885065A CN 201010216486 CN201010216486A CN101885065A CN 101885065 A CN101885065 A CN 101885065A CN 201010216486 CN201010216486 CN 201010216486 CN 201010216486 A CN201010216486 A CN 201010216486A CN 101885065 A CN101885065 A CN 101885065A
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- train wheel
- molten metal
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- tread
- electromagnetic induction
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Abstract
The invention discloses a device and a repair process for repairing a train wheel by a precise injection method, and solves the problem that an equipment distributed repair process is unreasonable in the prior art. The device comprises a molten metal melting furnace (1), a tundish (3) and a molten metal enclosed spray chamber (13), wherein the molten metal inlet of a molten metal injection device (4) is communicated with the molten metal outlet of the tundish (3) arranged on the molten metal injection device (4); a repaired train wheel (6) which is clamped on a rotating main shaft (7) is arranged below the nozzle of the molten metal injection device (4); a rolling mechanism (8) is arranged below the repaired train wheel (6); and an electromagnetic induction heater (10) is arranged on one side of the repaired train wheel (6). In the repair process, rough-turning, injecting, rolling and quenching technical processes of a tread of the train wheel are disclosed. A metal layer organization structure of the tread of the train wheel and the repair quality of the train wheel are improved.
Description
Technical field
The present invention relates to a kind of device of liquid metal spraying method repairing train wheel tread and renovation technique that utilizes this complete equipment repairing train wheel of utilizing.
Background technology
At present, liquid metal spraying former great majority are non-standard equipment, generally being repaired wheel is installed on the main frame rotating shaft rotary-jet and finishes repair, the rotating shaft of main frame is arranged in airtight spray booth, cooling forming after the injected molten metal of wheel, prior art exists prosthetic appliance to disperse, and the problem of mass defect appears in renovation technique metal level the institutional framework not scientific and reasonable and wheel that is repaired easily.
Summary of the invention
The device of a kind of repairing train wheel by precise injection method provided by the invention and renovation technique have solved prior art and have existed prosthetic appliance to disperse, and the problem of mass defect appears in renovation technique metal level the institutional framework not scientific and reasonable and wheel that is repaired easily.
The present invention overcomes the above problems by following scheme:
A kind of device of repairing train wheel by precise injection method, comprise the molten metal smelting furnace, tundish, the airtight spray booth of molten metal and molten metal, place, top, chamber at the airtight spray booth of described molten metal is provided with the liquid metal spraying device, the molten metal inlet of liquid metal spraying device is connected together with the molten metal outlet that is arranged on the tundish on the liquid metal spraying device, below the nozzle of liquid metal spraying device, be provided with the train wheel that is repaired that is installed on the rotary main shaft, below the train wheel that is repaired, be provided with rolling body, rotary main shaft is arranged in the airtight spray booth of molten metal, and it is mechanically coupled together with the drive unit of the airtight spray booth of molten metal rotary main shaft outward, rolling body is arranged in the airtight spray booth of molten metal, side at the train wheel that is repaired is provided with electromagnetic induction heater, this electromagnetic induction heater is arranged on the drive unit of electromagnetic induction heater, and the drive unit of electromagnetic induction heater and electromagnetic induction heater all is arranged in the airtight spray booth of molten metal.The molten metal jet of liquid metal spraying device ejection is ejected into the repair layer that forms on the tread of the train wheel that is repaired.On the airtight spray booth of molten metal, also be provided with the dedusting mouth.
A kind of renovation technique of repairing train wheel by precise injection method may further comprise the steps:
The tread of the first step rough turn train wheel that is repaired on lathe makes the radial diameter of wheel reach pre-reparation thickness diameter;
Second step, the wheel that car is good was installed on the rotary main shaft that is arranged in the airtight spray booth of molten metal, drove rotary main shaft and turned clockwise turn up 70 commentaries on classics/per minutes;
The drive unit of the 3rd step electromagnetic induction heater drives the tread place that electromagnetic induction heater moves to the train wheel that is repaired;
The 4th step electromagnetic induction heater is heated to 1150 ℃ with the tread of the train wheel that is repaired;
The 5th step poured melt metal liquid in the tundish of drying and being heated to 800 ℃-850 ℃ into, and the height of the molten metal in the maintenance tundish is the 350-450 millimeter;
The drive unit of the 6th step electromagnetic induction heater drives the tread that electromagnetic induction heater withdraws from the train wheel that is repaired;
The 7th single metal liquid jetting device metal injection liquid sprays 3-5 second to the tread of the train wheel that is repaired, and rolling body is opened in the time of injection, and the tread of the train wheel that is repaired that sprayed molten metal is rolled;
The 8th step dropped to 20 commentariess on classics/per minutes with the rotating speed of rotary main shaft, and when the radial diameter of the repair layer that forms on the tread of the train wheel that is repaired during greater than specified diameter, the liquid metal spraying device stops injection, and rolling body stops to roll;
The 9th step quenched to wheel tread when the temperature of the train wheel tread that is repaired drops to 850 ℃.
The present invention has realized having improved the metal level institutional framework of train wheel tread and the repairing quality of wheel to utilizing the scientific and reasonable reparation of liquid metal spraying method repairing train wheel tread.
Description of drawings:
Fig. 1 is a structural representation of the present invention
Fig. 2 is the structural representation of the train wheel after the present invention repairs
Fig. 3 is the structural representation of the preprosthetic train wheel of the present invention
The specific embodiment
A kind of device of repairing train wheel by precise injection method, comprise molten metal smelting furnace 1, tundish 3, the airtight spray booth 13 of molten metal 2 and molten metal, place, top, chamber at the airtight spray booth 13 of described molten metal is provided with liquid metal spraying device 4, the molten metal inlet of liquid metal spraying device 4 is connected together with the molten metal outlet that is arranged on the tundish 3 on the liquid metal spraying device 4, be provided with the train wheel that is repaired 6 that is installed on the rotary main shaft 7 below the nozzle of liquid metal spraying device 4, below the train wheel 6 that is repaired, be provided with rolling body 8, rotary main shaft 7 is arranged in the airtight spray booth 13 of molten metal, and it is mechanically coupled together with the drive unit of the airtight spray booth 13 of molten metal rotary main shaft 7 outward, rolling body 8) is arranged in the airtight spray booth 13 of molten metal, side at the train wheel 6 that is repaired is provided with electromagnetic induction heater 10, this electromagnetic induction heater 10 is arranged on the drive unit 11 of electromagnetic induction heater, and the drive unit 11 of electromagnetic induction heater 10 and electromagnetic induction heater 10 all is arranged in the airtight spray booth 13 of molten metal.The molten metal jet 12 of liquid metal spraying device 4 ejections is ejected into the repair layer 5 that forms on the tread of the train wheel 6 that is repaired.On the airtight spray booth 13 of molten metal, also be provided with dedusting mouth 9.
A kind of renovation technique of repairing train wheel by precise injection method may further comprise the steps:
The tread of the first step rough turn train wheel that is repaired on lathe makes the radial diameter of wheel reach pre-reparation thickness diameter;
Second step, the wheel that car is good was installed on the rotary main shaft 7 that is arranged in the airtight spray booth 13 of molten metal, drove rotary main shaft and turned clockwise turn up 70 commentaries on classics/per minutes;
The drive unit 11 of the 3rd step electromagnetic induction heater drives the tread place that electromagnetic induction heater 10 moves to the train wheel 6 that is repaired;
The 4th step electromagnetic induction heater 10 is heated to 1150 ℃ with the tread of the train wheel 6 that is repaired;
The 5th step poured melt metal liquid 2 in the tundish 3 of drying and being heated to 800 ℃-850 ℃ into, and the height of the molten metal in the maintenance tundish 3 is the 350-450 millimeter;
The drive unit 11 of the 6th step electromagnetic induction heater drives the tread that electromagnetic induction heater 10 withdraws from the train wheel 6 that is repaired;
The 7th single metal liquid jetting device 4 metal injection liquid spray 3-5 second to the tread of the train wheel 6 that is repaired, and rolling body 8 is opened in the time of injection, and the tread of the train wheel that is repaired 6 that sprayed molten metal is rolled;
The 8th step dropped to 20 commentariess on classics/per minutes with the rotating speed of rotary main shaft 7, and when the radial diameter of the repair layer 5 that forms on the tread of the train wheel 6 that is repaired during greater than specified diameter, liquid metal spraying device 4 stops injection, and rolling body 8 stops to roll;
The 9th step quenched to wheel tread when the temperature of train wheel 6 treads that are repaired drops to 850 ℃.
Claims (3)
1. the device of a repairing train wheel by precise injection method, comprise molten metal smelting furnace (1), tundish (3), molten metal (2) and the airtight spray booth of molten metal (13), it is characterized in that, place, top, chamber at the airtight spray booth of described molten metal (13) is provided with liquid metal spraying device (4), the molten metal inlet of liquid metal spraying device (4) is connected together with the molten metal outlet that is arranged on the tundish (3) on the liquid metal spraying device (4), nozzle below at liquid metal spraying device (4) is provided with the train wheel that is repaired (6) that is installed on the rotary main shaft (7), be provided with rolling body (8) in the below of the train wheel that is repaired (6), rotary main shaft (7) is arranged in the airtight spray booth of molten metal (13), and it is mechanically coupled together with the drive unit of the airtight spray booth of molten metal (13) rotary main shaft (7) outward, rolling body (8) is arranged in the airtight spray booth of molten metal (13), side at the train wheel that is repaired (6) is provided with electromagnetic induction heater (10), this electromagnetic induction heater (10) is arranged on the drive unit (11) of electromagnetic induction heater, the drive unit (11) of electromagnetic induction heater (10) and electromagnetic induction heater (10) all is arranged in the airtight spray booth of molten metal (13), and the molten metal jet (12) of liquid metal spraying device (4) ejection is ejected on the tread of the train wheel (6) that is repaired and has formed repair layer (5).
2. the device of repairing train wheel by precise injection method according to claim 1 is characterized in that, also is provided with dedusting mouth (9) on the airtight spray booth of molten metal (13).
3. the renovation technique of a repairing train wheel by precise injection method may further comprise the steps:
The tread of the first step rough turn train wheel that is repaired on lathe makes the radial diameter of wheel reach pre-reparation thickness diameter;
Second step, the wheel that car is good was installed on the rotary main shaft (7) that is arranged in the airtight spray booth of molten metal (13), drove rotary main shaft and turned clockwise turn up 70 commentaries on classics/per minutes;
The drive unit (11) of the 3rd step electromagnetic induction heater drives the tread place that electromagnetic induction heater (10) moves to the train wheel (6) that is repaired;
The 4th step electromagnetic induction heater (10) is heated to 1150 ℃ with the tread of the train wheel (6) that is repaired;
The 5th step poured melt metal liquid (2) in the tundish (3) of drying and being heated to 800 ℃-850 ℃ into, and the height of the molten metal in the maintenance tundish (3) is the 350-450 millimeter;
The drive unit (11) of the 6th step electromagnetic induction heater drives the tread that electromagnetic induction heater (10) withdraws from the train wheel (6) that is repaired;
The 7th single metal liquid jetting device (4) metal injection liquid sprays 3-5 second to the tread of the train wheel that is repaired (6), and rolling body in the time of injection (8) is opened, and the tread of the train wheel that is repaired (6) that sprayed molten metal is rolled;
The rotating speed of the 8th step with rotary main shaft (7) drops to 20 commentaries on classics/per minutes, when the radial diameter of the repair layer that forms on the tread of the train wheel that is repaired (6) (5) during greater than specified diameter, liquid metal spraying device (4) stops to spray, and rolling body (8) stops to roll;
The 9th step quenched to wheel tread when the temperature of the train wheel that is repaired (6) tread drops to 850 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010216486 CN101885065A (en) | 2010-06-30 | 2010-06-30 | Device and repair process for repairing train wheel by precise injection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010216486 CN101885065A (en) | 2010-06-30 | 2010-06-30 | Device and repair process for repairing train wheel by precise injection method |
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| CN101885065A true CN101885065A (en) | 2010-11-17 |
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| CN 201010216486 Pending CN101885065A (en) | 2010-06-30 | 2010-06-30 | Device and repair process for repairing train wheel by precise injection method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834430A (en) * | 2015-01-12 | 2016-08-10 | 中国科学院宁波材料技术与工程研究所 | 3D (3-dimensional) printing device |
| CN111496250A (en) * | 2019-01-30 | 2020-08-07 | 通用电气公司 | Additive manufacturing system and method for additive printing on workpiece |
| CN112372232A (en) * | 2020-11-05 | 2021-02-19 | 哈尔滨理工大学 | Method and device for repairing die by array injection |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549404A (en) * | 2008-03-31 | 2009-10-07 | 杨云峰 | Process and equipment for precise spray forming and layer-by-layer rolling repair and manufacturing |
-
2010
- 2010-06-30 CN CN 201010216486 patent/CN101885065A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101549404A (en) * | 2008-03-31 | 2009-10-07 | 杨云峰 | Process and equipment for precise spray forming and layer-by-layer rolling repair and manufacturing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834430A (en) * | 2015-01-12 | 2016-08-10 | 中国科学院宁波材料技术与工程研究所 | 3D (3-dimensional) printing device |
| CN105834430B (en) * | 2015-01-12 | 2018-01-16 | 中国科学院宁波材料技术与工程研究所 | 3d printing device |
| CN111496250A (en) * | 2019-01-30 | 2020-08-07 | 通用电气公司 | Additive manufacturing system and method for additive printing on workpiece |
| CN112372232A (en) * | 2020-11-05 | 2021-02-19 | 哈尔滨理工大学 | Method and device for repairing die by array injection |
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Open date: 20101117 |