CN103614534A - Wind-controlling wind-jetting apparatus special for steel rail quenching machine tool and wind-controlling wind-jetting method - Google Patents
Wind-controlling wind-jetting apparatus special for steel rail quenching machine tool and wind-controlling wind-jetting method Download PDFInfo
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- CN103614534A CN103614534A CN201310486626.3A CN201310486626A CN103614534A CN 103614534 A CN103614534 A CN 103614534A CN 201310486626 A CN201310486626 A CN 201310486626A CN 103614534 A CN103614534 A CN 103614534A
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Abstract
The invention relates to a wind-controlling wind-jetting apparatus special for a steel rail quenching machine tool and a wind-controlling wind-jetting method. The wind-controlling wind-jetting apparatus consists of a quenching cooling wind-controlling device, a quenching cooling wind-jetting device and a PLC controller; a gas tank of the quenching cooling wind-controlling device is provided with a master wind-inlet pipeline, multiple wind-outlet branch pipe are respectively communicated with the gas tank from top to bottom via respective electropneumatic proportional valves; a temp measurer wind-outlet branch pipe is communicated with the gas tank via an electropneumatic proportional valve; multiple pressure sensors are respectively communicated with the outlets of the electrical proportioning valves; the signal output terminals of multiple pressure sensors are connected with the signal input terminal of the PLC controller, and the signal output terminal of the PLC controller is connected with the signal input terminals of the electrical proportioning valves; the wind inlets on a swallow-wing-shaped box in the quenching cooling wind-jetting device are rowed and uniformly distributed on the box body in a stair-step manner; and wind-jetting openings are distributed on the wind-jetting face of the swallow-wing-shaped box in a honeycomb manner.
Description
Technical field
The present invention relates to a kind ofly can fundamentally solve that the blast that hardening of rails refrigerating work procedure generally occurs is unstable, pressure regulation operation is inaccurate and the unsettled hardening of rails lathe of quenched case hardness special-purpose control wind air-jet device and control wind spray wind method, belong to the special-purpose air-jet device of hardening of rails lathe and manufacture field.
Background technology
At present hardening of rails lathe cooling wind pressure is controlled above, and domestic industry rests on that machinery instrument is auxiliary, valve operation manually substantially, and the course of processing will lean on operator's knowhow to control, and has greatly restricted production quality control and production efficiency; And machinery instrument control stiffness, accuracy, feedback are all unreliable; And on hardening of rails lathe cooling wind pressure air-jet device, be that blast is evenly distributed formula, three spray forced air coolers substantially, fail according to quenching actual requirement distribution quenching heat-eliminating medium, fail effectively to utilize wind energy.Cause the adverse consequencess such as Rail Surface quenching hardness is uneven, scrap rate is high, energy dissipation.
201220457569.7, title " quenching cooler ", comprises water tank and cooling channel, and water tank is provided with roller, cooling channel is arranged on water tank, is provided with outfall sewer in water tank, and outfall sewer is provided with lower nozzle, in cooling channel, be provided with upper hose, upper hose is provided with upper spray nozzle; Workpiece enters into cooling channel by roller friction, before being compared to, manpower movement processing work enters cooling channel and becomes laborsaving and can significantly raise the efficiency, by the lengthening of cooling channel and the increasing of discharge, make the cooling harmony of workpiece, speed of cooling, cooling performance significantly strengthens, thereby hardness and workpiece deformation are effectively controlled.This patent emphasis designs for the hardware and software of temperature control modules in the Controlling System of hardening of rails machine, different from this patent research contents.
Summary of the invention
Purpose of design: avoid the weak point in background technology, design and a kind ofly can either overcome that the blast that hardening of rails refrigerating work procedure generally occurs is unstable, pressure regulation operational difficulty is inaccurate, quenched case hardness is unstable, control blast pressure that again can be easily and effectively, stable spray wind blast is provided and improves hardening of rails lathe special-purpose control wind air-jet device and the control wind spray wind method of quenched case hardness.
Design: in order to realize above-mentioned purpose of design.1, quench cooled air controller, adopts blast closed loop voltage-regulating system, and blast automatically detects and regulates.Adopt 7 high-precision pressure sensors and 6 electric Proportion valves to regulate blast.Gather respectively the 1 total blast in tunnel, 5 road wind pressure of work and 1 channel Temperature Measuring instrument wind pressure of work.On operator's console, set wind pressure of work, by pressure transmitter acquired signal, by PLC, calculate after PID processing, output control signal controls electric Proportion valve automatic pressure regulation and flow detects total blast and wind pressure of work automatically, in air supply source pressure maximum range, automatic constant wind pressure of work, reaches automated intelligent and regulates control object.2, quench cooled air-jet device, adopts blast inlet staged layout, the cellular layout of air nozzle, swallow-wing type box-structure.Can effectively improve quenched case hardness, make quenched case Hardness Distribution even, metallographic structure is stable.
Technical scheme 1: the special-purpose control of a kind of hardening of rails lathe wind air-jet device, consists of quench cooled air controller, quench cooled air-jet device and PLC controller; In described quench cooled air controller, gas-holder is provided with total air inlet pipeline, many air-out arms are communicated with gas-holder from top to bottom by electric Proportion valve separately respectively, temperature measurer air-out arm is communicated with gas-holder by electric Proportion valve, a plurality of pressure transmitters are communicated with electric Proportion valve outlet respectively, the signal output part of a plurality of pressure transmitters connects the signal input part of PLC controller, and the signal output part of PLC controller connects electric Proportion valve signal input part; Blast inlet in described quench cooled air-jet device on swallow-wing molding box becomes the uniform casing of stepped row top, and air nozzle is cellular to be distributed on swallow-wing molding box spray wind face.
Technical scheme 2: the quench cooled control wind spray wind method of the special-purpose control of a kind of hardening of rails lathe wind air-jet device, quench cooled air controller adopts blast closed loop voltage-regulating system, blast automatically detects and regulates, on PLC controller, set wind pressure of work, pressure transmitter acquired signal is sent to PLC controller signals input terminus, PLC controller calculates after PID processing, PLC controller output control signal controls electric Proportion valve automatic pressure regulation and flow detects total blast and wind pressure of work automatically, in air supply source pressure maximum range, automatic constant wind pressure of work, reach automated intelligent and regulate control object, and blast inlet on swallow-wing molding box in quench cooled air-jet device adopts staged layout, blast inlet is communicated with the electric Proportion valve air outlet in quench cooled air controller respectively, the air nozzle gathering in the cellular layout of swallow-wing molding box swallow-wing face sprays wind to rail, effectively raise hardening of rails layer hardness, make quenched case Hardness Distribution even, metallographic structure is stable.
The present invention compares with background technology, and the one, this reasonable in design, simple and practical, highly versatile, convenient for installation and maintenance, not only applicable railroad turnout steel rail part quenches, and test is for circuit heat-treatment of rail (TB/T2635-2004), can replace the combination of three spray forced air coolers and spraying plant; The 2nd, can effectively promote existing railroad turnout steel rail part equipment for Heating Processing and state of the art, the object that reaches stable and promote track switch quality product, extend track switch work-ing life, enhance productivity; The 3rd, realized the stable output of blast, accurate convenient control.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the special-purpose control of hardening of rails lathe wind air-jet device.
Fig. 2 is the structural representation of the special-purpose control of hardening of rails lathe wind air-jet device.
Fig. 3 is graphical sysmbol explanation in Fig. 1 and Fig. 2.
Fig. 4 is the structural representation that sprays wind face 10 in Fig. 2.
Embodiment
Embodiment 1: with reference to accompanying drawing 1-4.The special-purpose control of a hardening of rails lathe wind air-jet device, consists of quench cooled air controller, quench cooled air-jet device and PLC controller, in described quench cooled air controller, gas-holder is provided with total air inlet pipeline 7, many air-out arms (2, 3, 4, 5, 6) pass through respectively electric Proportion valve (YV2 separately, YV3, YV4, YV5, YV6) be communicated with gas-holder from top to bottom, temperature measurer air-out arm 1 is communicated with gas-holder by electric Proportion valve (YV1), a plurality of pressure transmitter (C1, C2, C3, C4, C5, C6) respectively with electric Proportion valve (YV1, YV2, YV3, YV4, YV5, YV6) outlet is communicated with, the signal output part of a plurality of pressure transmitters connects the signal input part of PLC controller, the signal output part of PLC controller connects electric Proportion valve signal input part, blast inlet in described quench cooled air-jet device on swallow-wing molding box 9 becomes the uniform casing of stepped row top, and air nozzle is cellular to be distributed on swallow-wing molding box 9 spray wind faces 10.Temperature measurer air-out arm 1 is arranged on the top of air-out arm 2.Electric Proportion valve (YV1, YV2, YV3, YV4, YV5, YV6) import is communicated with air filter (L1, L2, L3, L4, L5, L6) respectively.Blast inlet becomes the uniform casing of stepped row top, from the air-cooled starting point (a) of quenching to the spacing of 5 blast inlets air-cooled terminal (b) that quench, according to the uniform casing of the ratio of 9:11:13:15 top.Air outlet is that the regular hexagon of φ 30 is densely arranged according to circumscribed circle.
Blast inlet becomes stepped and arranges: from the air-cooled starting point a that quenches to the spacing of 5 blast inlets the air-cooled terminal b that quenches, according to the uniform casing of the ratio of 9:11:13:15 top.
Swallow-wing type box-structure: be applicable to the feature of rail shape for hat, make blast effectively concentrate on rail shape for hat surface, can replace three spray forced air coolers.
Air outlet is cellular densely arranged: air outlet is that the regular hexagon of φ 30 is densely arranged according to circumscribed circle, can effectively reduce air-out Pressure interference, improves the stability that wind pressure.
Hardening of rails workpiece traffic direction.
Embodiment 2: on the basis of embodiment 1, the quench cooled control wind spray wind method of the special-purpose control of a kind of hardening of rails lathe wind air-jet device, quench cooled air controller adopts blast closed loop voltage-regulating system, blast automatically detects and regulates, on PLC controller, set wind pressure of work, pressure transmitter acquired signal is sent to PLC controller signals input terminus, PLC controller calculates after PID processing, PLC controller output control signal controls electric Proportion valve automatic pressure regulation and flow detects total blast and wind pressure of work automatically, in air supply source pressure maximum range, automatic constant wind pressure of work, reach automated intelligent and regulate control object, and blast inlet on swallow-wing molding box in quench cooled air-jet device adopts staged layout, blast inlet is communicated with the electric Proportion valve air outlet in quench cooled air controller respectively, the air nozzle gathering in the cellular layout of swallow-wing molding box swallow-wing face sprays wind to rail, effectively raise hardening of rails layer hardness, make quenched case Hardness Distribution even, metallographic structure is stable.
Example:
A, air controller:
As Fig. 1, wind regime enters gas-holder (capacity 1m3) from No. 0 branch road (total air intake branch road DN100) by manually-operated gate F0, and gas-holder is provided with high-precision pressure sensor C0; Totally 6 of air-out branch roads, No. 1 branch road is that temperature measurer air-out branch road, 2-6 branch road are air-out work branch, each branch road is the caliber of DN30, and No. 1 branch road pressurized air arrives temperature measurer through air strainer L1, electric Proportion valve YV1, high-precision pressure sensor C1; No. 2-No. 5 branch road pressurized air process air strainer L(2-6), electric Proportion valve YV(2-6), high-precision pressure sensor C(2-6) arrive air-jet device.
B, air-jet device: as Fig. 2,
1, blast inlet (Fig. 2 label 7) becomes stepped and arranges: from the air-cooled starting point a that quenches to the spacing of 5 blast inlets air-cooled terminal b that quench, according to the uniform casing of the ratio of 9:11:13:15 top.
2, swallow-wing type box-structure (Fig. 2 label 9): be applicable to the feature of rail shape for hat, make blast effectively concentrate on rail shape for hat surface, can replace three spray forced air coolers.
3, air outlet is cellular densely arranged: air outlet is that the regular hexagon of φ 30 is densely arranged according to circumscribed circle, sees label 10 in Fig. 2, can effectively reduce air-out Pressure interference, improves the stability that wind pressure.
4, hardening of rails workpiece traffic direction, is shown in label 11 in Fig. 2.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; rather than the restriction to mentality of designing of the present invention; any combination, increase or modification that does not exceed mentality of designing of the present invention, all falls within the scope of protection of the present invention.
Claims (6)
1. the special-purpose control of a hardening of rails lathe wind air-jet device, is characterized in that consisting of quench cooled air controller, quench cooled air-jet device and PLC controller, in described quench cooled air controller, gas-holder (8) is provided with total air inlet pipeline (7), many air-out arms (2, 3, 4, 5, 6) pass through respectively electric Proportion valve (YV2 separately, YV3, YV4, YV5, YV6) be communicated with gas-holder (8) from top to bottom, temperature measurer air-out arm (1) is communicated with gas-holder (8) by electric Proportion valve (YV1), a plurality of pressure transmitter (C1, C2, C3, C4, C5, C6) respectively with electric Proportion valve (YV1, YV2, YV3, YV4, YV5, YV6) outlet is communicated with, the signal output part of a plurality of pressure transmitters connects the signal input part of PLC controller, the signal output part of PLC controller connects electric Proportion valve signal input part, blast inlet in described quench cooled air-jet device on swallow-wing molding box (9) becomes the uniform casing of stepped row top, and air nozzle is cellular to be distributed on swallow-wing molding box (9) spray wind face (10).
2. the special-purpose control of hardening of rails lathe according to claim 1 wind air-jet device, is characterized in that: temperature measurer air-out arm (1) is arranged on the top of air-out arm (2).
3. the special-purpose control of hardening of rails lathe according to claim 1 wind air-jet device, is characterized in that: electric Proportion valve (YV1, YV2, YV3, YV4, YV5, YV6) import is communicated with air filter (L1, L2, L3, L4, L5, L6) respectively.
4. wind air-jet device is controlled in hardening of rails lathe special use according to claim 1, it is characterized in that: blast inlet becomes the uniform casing of stepped row top, from the air-cooled starting point (a) of quenching to the spacing of 5 blast inlets air-cooled terminal (b) that quench, according to the uniform casing of the ratio of 9:11:13:15 top.
5. the special-purpose control of hardening of rails lathe according to claim 1 wind air-jet device, is characterized in that: air outlet is that the regular hexagon of φ 30 is densely arranged according to circumscribed circle.
6. the quench cooled control wind of the special-purpose control of a hardening of rails lathe wind air-jet device sprays wind method, it is characterized in that: quench cooled air controller adopts blast closed loop voltage-regulating system, blast automatically detects and regulates, on PLC controller, set wind pressure of work, pressure transmitter acquired signal is sent to PLC controller signals input terminus, PLC controller calculates after PID processing, PLC controller output control signal controls electric Proportion valve automatic pressure regulation and flow detects total blast and wind pressure of work automatically, in air supply source pressure maximum range, automatic constant wind pressure of work, reach automated intelligent and regulate control object, and blast inlet on swallow-wing molding box in quench cooled air-jet device adopts staged layout, blast inlet is communicated with the electric Proportion valve air outlet in quench cooled air controller respectively, the air nozzle gathering in the cellular layout of swallow-wing molding box swallow-wing face sprays wind to rail, effectively raise hardening of rails layer hardness, make quenched case Hardness Distribution even, metallographic structure is stable.
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| CN201310486626.3A CN103614534B (en) | 2013-10-17 | 2013-10-17 | Hardening of rails lathe special control wind air-jet device and control wind spray wind method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483348A (en) * | 2015-12-29 | 2016-04-13 | 中铁宝桥集团有限公司 | AT steel rail profiling heel thermal treatment production line and treatment method |
| CN108085469A (en) * | 2018-02-12 | 2018-05-29 | 辽宁科技大学 | It is a kind of that high speed, the device of uniform rail air-blast quenching wind regime are provided |
| JP2018532877A (en) * | 2015-05-29 | 2018-11-08 | フォエスタルピネ スタール ゲーエムベーハー | Method and apparatus for uniform non-contact cooling of high temperature non-endless surfaces |
| CN111057831A (en) * | 2020-01-06 | 2020-04-24 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Automatic control and monitoring system for full-length heat treatment of turnout steel rail piece |
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| JPH11279650A (en) * | 1998-03-31 | 1999-10-12 | West Japan Railway Co | Device for air-cooling head part of rail |
| CN101016579A (en) * | 2007-02-08 | 2007-08-15 | 武汉科技大学 | Heat treatment system for high strength heavy type steel rail head |
| CN202297680U (en) * | 2011-10-26 | 2012-07-04 | 赫比（上海）精密冲压模具制品有限公司 | Thermal treatment cooling equipment |
| CN203613231U (en) * | 2013-10-17 | 2014-05-28 | 中铁宝桥集团有限公司 | Special air control and jet device for steel rail quenching machine tool |
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2013
- 2013-10-17 CN CN201310486626.3A patent/CN103614534B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11279650A (en) * | 1998-03-31 | 1999-10-12 | West Japan Railway Co | Device for air-cooling head part of rail |
| CN101016579A (en) * | 2007-02-08 | 2007-08-15 | 武汉科技大学 | Heat treatment system for high strength heavy type steel rail head |
| CN202297680U (en) * | 2011-10-26 | 2012-07-04 | 赫比（上海）精密冲压模具制品有限公司 | Thermal treatment cooling equipment |
| CN203613231U (en) * | 2013-10-17 | 2014-05-28 | 中铁宝桥集团有限公司 | Special air control and jet device for steel rail quenching machine tool |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018532877A (en) * | 2015-05-29 | 2018-11-08 | フォエスタルピネ スタール ゲーエムベーハー | Method and apparatus for uniform non-contact cooling of high temperature non-endless surfaces |
| CN105483348A (en) * | 2015-12-29 | 2016-04-13 | 中铁宝桥集团有限公司 | AT steel rail profiling heel thermal treatment production line and treatment method |
| CN108085469A (en) * | 2018-02-12 | 2018-05-29 | 辽宁科技大学 | It is a kind of that high speed, the device of uniform rail air-blast quenching wind regime are provided |
| CN108085469B (en) * | 2018-02-12 | 2023-05-23 | 辽宁科技大学 | Device for providing high-speed uniform rail air-cooling quenching air source |
| CN111057831A (en) * | 2020-01-06 | 2020-04-24 | 中国铁道科学研究院集团有限公司金属及化学研究所 | Automatic control and monitoring system for full-length heat treatment of turnout steel rail piece |
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