CN204714867U - A kind of thermal treatment unit for heavy duty rail head - Google Patents
A kind of thermal treatment unit for heavy duty rail head Download PDFInfo
- Publication number
- CN204714867U CN204714867U CN201520452660.3U CN201520452660U CN204714867U CN 204714867 U CN204714867 U CN 204714867U CN 201520452660 U CN201520452660 U CN 201520452660U CN 204714867 U CN204714867 U CN 204714867U
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- refrigerating unit
- plate
- heavy duty
- rail head
- rotor blade
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Abstract
The utility model is specifically related to a kind of thermal treatment unit for heavy duty rail head.Its technical scheme is: the upper plate of refrigerating unit (2) is fixedly connected with by the upper beam of mounting plate (5) with support (1); The center position of refrigerating unit (2) upper plate is equipped with cooling air inlet pipe (3) vertically, and cooling air inlet pipe (3) is equipped with magnetic valve (4).The bottom of refrigerating unit (2) is provided with the outlet of concave arc cold wind, and concave curved thin plate (14) is equipped with in concave arc cold wind exit.Refrigerating unit (2) middle position is flatly fixed with equal pressing plate (10), the upper horizontal of equal pressing plate (10) flow deflector (9) is housed, between equal pressing plate (10) and the outlet of concave arc cold wind, wind direction regulating device (11) is flatly housed.The utility model has the advantage that structure is simple and integration is good, adopts this device can meet the heat treatment requirements of different size heavy duty rail head, can realize Homogeneous cooling to heavy duty rail head.
Description
Technical field
The utility model belongs to thermal treatment unit technical field.Be specifically related to a kind of thermal treatment unit for heavy duty rail head.
Background technology
Along with greatly developing of railway construction, the performance of people to heavy rail is had higher requirement.In order to ensure the work-ing life of heavy rail, be necessary to heat-treat heavy duty rail head, heavy duty rail head quenching is extremely important part in heavy rail heat treatment process, and the quality of heavy duty rail head quenching has a great impact for the bearing capacity of rail, intensity and toughness.The conventional type of cooling of heavy duty rail head quenching comprises cold, the air-cooled and water-cooled of mist, and wherein due to air-cooled more stable in process of cooling, artifical influence factor is relatively little, is widely used in this way.
At present, the mode that thermal treatment unit adopts usually be the left of heavy duty rail head, above the orientation different with three, right arrange shower nozzle respectively, the cooling gas sprayed by shower nozzle carries out Cooling Quenching to heavy duty rail head.But due to shower nozzle spray have certain angularity, cooling is very uneven, and within the scope of nozzle angle, speed of cooling is very fast, slower in the speed of cooling of shower nozzle spray regime boundary, so very easily cause rail head hardness distribution gradient, make hardness deviation value exceed code requirement.In addition, the cooling air of thermal treatment unit generally need be exported by flexible pipe after carrying and coming again and be connected with shower nozzle after equalizer tank voltage stabilizing, and operating process is complicated, adds the manufacturing cost of complete assembly.
Summary of the invention
The utility model is intended to overcome above-mentioned technological deficiency, object is to provide the thermal treatment unit for heavy duty rail head that a kind of structure is simple, integration is good, adopt this device can meet the heat treatment requirements of different size heavy duty rail head, Homogeneous cooling can be realized to heavy duty rail head.
To achieve these goals, the technical solution adopted in the utility model is: described device comprises support and refrigerating unit; The upper plate of refrigerating unit is fixedly connected with the upper beam of support by mounting plate.The center position of refrigerating unit upper plate is equipped with cooling air inlet pipe vertically, and cooling air inlet pipe is equipped with magnetic valve.Left side bottom refrigerating unit and right side are horizonal base plate, and the middle position of bottom is provided with the outlet of concave arc cold wind, and concave curved thin plate is equipped with in concave arc cold wind exit.Refrigerating unit middle position is flatly fixed with equal pressing plate, and refrigerating unit inwall is close on four limits of equal pressing plate; Equal pressing plate upper horizontal flow deflector is housed, refrigerating unit inwall is close in the front-end and back-end of flow deflector, between equal pressing plate and the outlet of concave arc cold wind, flatly wind direction regulating device is housed.
Described equal pressing plate is provided with ventilating pit equably, and the diameter of described ventilating pit is 10 ~ 12mm, and the pitch-row of described ventilating pit is 1.5 ~ 2.0 times of ventilating pit diameter.The lateral length of described flow deflector is 0.6-0.7 times of refrigerating unit inwall lateral length, and the centre of form of flow deflector and the medullary ray of cooling air inlet pipe are on same straight line.
The structure of wind direction regulating device is: the front side of refrigerating unit inwall and rear side are equipped with blade retaining plate symmetrically, blade retaining plate has axis hole equably, and left swing rotor blade, middle stator blades and right oscillating vane are arranged in axis hole from left to right successively actively by respective rotation axis; Middle stator blades is 3 ~ 4, and left swing rotor blade is 2 ~ 3.The top of left swing rotor blade respectively with rod hinge connection, the rotation axis of the 1st left swing rotor blade is equipped with follower gear from left to right, and follower gear engages with long tooth bar.Long tooth bar is arranged in the chute of slide plate actively, the right half part of slide plate is horizontally fixed on the inwall on front side of refrigerating unit, the left-half of slide plate passes the housing of refrigerating unit, and the left-half of slide plate is horizontally fixed on the inwall on front side of the angular adjustment apparatus in left side.The rotating shaft two ends of the angular adjustment apparatus in left side are horizontally fixed on along the longitudinal direction by bearing in the angular adjustment apparatus in left side, on front side of rotating shaft, driving toothed gear is housed, driving toothed gear engages with long tooth bar, on rear side of rotating shaft, worm gear is housed, worm gear coordinates with worm screw, on the left of worm screw, rotary handle is housed.
The angular adjustment apparatus on right oscillating vane and right side and the angular adjustment apparatus in left swing rotor blade and left side are symmetrical arranged.
Described middle stator blades vertically downward.
Described concave curved thin plate is provided with aperture, and the aperture of aperture is 0.6 ~ 1.0mm, and the pitch-row of aperture is evenly increased with right side to the left by the medullary ray of concave curved thin plate, and centerline pitch-row is 5 ~ 6mm, and the pitch-row at both sides of the edge place is 8 ~ 10mm.
Described refrigerating unit housing, flow deflector, all material of pressing plate and cooling air pipeline are stainless steel.
The material of described left swing rotor blade, middle stator blades and right oscillating vane is engineering plastics, the planeform of left swing rotor blade, middle stator blades and right oscillating vane is strip, and the both sides of left swing rotor blade, middle stator blades and right oscillating vane are fixed with rotation axis all symmetrically.
Owing to adopting technique scheme, the utility model compared with prior art has following positively effect:
1, the utility model is primarily of support and refrigerating unit composition, and structure is simple; After cooling air enters refrigerating unit, the air-flow of cooling air is assigned to the left and right sides by the flow deflector of the superiors, and the air-flow of cooling air enters flow deflector and all pressures chamber all between pressing plate mixes further, completes voltage stabilizing.Flowed out by the ventilating pit on equal pressing plate and enter wind direction regulating device, the conveying of cooling air can complete the voltage stabilizing process of cooling air without the need to outside equalizer tank, the integration of this device is good.
2, the cooling air that all pressing plate flows out is changed the flow direction of cooling air by wind direction regulating device, the left swing rotor blade of wind direction regulating device and right oscillating vane adjustable angle, middle stator blades angle is fixed and distinguishes vertically downward.Rotate the rotary handle in left side, driving toothed gear is driven to rotate by the transmission of worm and gear, driving toothed gear is rotated by long rack drives follower gear, the 1st left swing rotor blade is from left to right driven to rotate by follower gear again, due to left swing rotor blade top respectively with rod hinge connection, thus realize the synchronization control of left swing rotor blade angle.Right oscillating vane and left swing rotor blade are symmetrical arranged.Due to the self-locking performance of Worm Wheel System, the self-retaining of left swing rotor blade and right oscillating vane angle position can be realized, meet the heat treatment requirements of different size heavy duty rail head.
3, the aperture ejection of the concave curved thin plate of cooling air bottom refrigerating unit after wind direction is adjusted, for the cold problem of mistake that left hand corner and the right hand corner place of heavy duty rail head tread in process of cooling occur, the pitch-row of aperture is evenly increased both sides to the left and right by medullary ray, reduce the air output of the heavy duty rail head left and right sides, achieve the Homogeneous cooling to heavy duty rail head.
Therefore, the utility model has the advantage that structure is simple and integration is good, adopts this device can realize the adjustment of cooling air wind direction, meets the heat treatment requirements of different size heavy duty rail head, can realize Homogeneous cooling to heavy duty rail head.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the partial enlarged drawing of in Fig. 3 I;
Fig. 5 is the B-B sectional view of Fig. 4;
Fig. 6 is a kind of using state schematic diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described, the restriction not to its protection domain.
embodiment 1
A kind of thermal treatment unit for heavy duty rail head.As depicted in figs. 1 and 2, described device comprises support (1) and refrigerating unit (2); The upper plate of refrigerating unit (2) is fixedly connected with by the upper beam of mounting plate (5) with support (1).The center position of refrigerating unit (2) upper plate is equipped with cooling air inlet pipe (3) vertically, and cooling air inlet pipe (3) is equipped with magnetic valve (4).As shown in Figure 3, left side and the right side of refrigerating unit (2) bottom are horizonal base plate, and the middle position of bottom is provided with the outlet of concave arc cold wind, and concave curved thin plate (14) is equipped with in concave arc cold wind exit.Refrigerating unit (2) middle position is flatly fixed with equal pressing plate (10), and refrigerating unit (2) inwall is close on four limits of equal pressing plate (10); Equal pressing plate (10) upper horizontal flow deflector (9) is housed, refrigerating unit (2) inwall is close in the front-end and back-end of flow deflector (9), between equal pressing plate (10) and the outlet of concave arc cold wind, wind direction regulating device (11) is flatly housed.
As shown in Figure 3, described equal pressing plate (10) is provided with ventilating pit equably, and the diameter of described ventilating pit is 11 ~ 12mm, and the pitch-row of described ventilating pit is 1.7 ~ 2.0 times of ventilating pit diameter.The lateral length of described flow deflector (9) is 0.6-0.7 times of refrigerating unit (2) inwall lateral length, and the centre of form of flow deflector (9) and the medullary ray of cooling air inlet pipe (3) are on same straight line.
As shown in Fig. 3, Fig. 4 and Fig. 5, the structure of wind direction regulating device (11) is: the front side of refrigerating unit (2) inwall and rear side are equipped with blade retaining plate (21) symmetrically, blade retaining plate (21) has axis hole equably, and left swing rotor blade (7), middle stator blades (8) and right oscillating vane (12) are arranged in axis hole from left to right successively actively by respective rotation axis (24); Middle stator blades (8) is 4, and left swing rotor blade (7) is 3.The top of left swing rotor blade (7) is hinged with connecting rod (22) respectively, the rotation axis (24) of the 1st left swing rotor blade (7) is equipped with follower gear (23) from left to right, and follower gear (23) engages with long tooth bar (20); Long tooth bar (20) is arranged in the chute of slide plate (16) actively, the right half part of slide plate (16) is horizontally fixed on the inwall of refrigerating unit (2) front side, the left-half of slide plate (16) passes the housing of refrigerating unit (2), and the left-half of slide plate (16) is horizontally fixed on the inwall of angular adjustment apparatus (6) front side in left side.Rotating shaft (25) two ends of the angular adjustment apparatus (6) in left side are horizontally fixed on along the longitudinal direction by bearing in the angular adjustment apparatus (6) in left side, driving toothed gear (19) is equipped with in rotating shaft (25) front side, driving toothed gear (19) engages with long tooth bar (20), rotating shaft (25) rear side is equipped with worm gear (18), worm gear (18) coordinates with worm screw (17), and rotary handle (15) is equipped with in worm screw (17) left side.
As shown in Figure 3 and Figure 4, the angular adjustment apparatus (13) on right oscillating vane (12) and right side is symmetrical arranged with the angular adjustment apparatus (6) in left swing rotor blade (7) and left side.
As shown in Figure 3, described middle stator blades (8) vertically downward.
As shown in Figure 3, described concave curved thin plate (14) is provided with aperture, the aperture of aperture is 0.8 ~ 1.0mm, the pitch-row of aperture is evenly increased both sides to the left and right by the medullary ray of concave curved thin plate (14), centerline pitch-row is 5 ~ 6mm, and the pitch-row at both sides of the edge place is 8 ~ 10mm.
Described refrigerating unit (2) housing, flow deflector (9), all material of pressing plate (10) and cooling air pipeline (3) are stainless steel.
The material of described left swing rotor blade (7), middle stator blades (8) and right oscillating vane (12) is engineering plastics, the planeform of left swing rotor blade (7), middle stator blades (8) and right oscillating vane (12) is strip, and the both sides of left swing rotor blade (7), middle stator blades (8) and right oscillating vane (12) are fixed with rotation axis (24) all symmetrically.
embodiment 2
A kind of thermal treatment unit for heavy duty rail head.Except following technical parameter, all the other are with embodiment 1:
The diameter of described ventilating pit is 10 ~ 11mm, and the pitch-row of described ventilating pit is 1.5 ~ 1.8 times of ventilating pit diameter;
Middle stator blades (8) is 3, and left swing rotor blade (7) is 2;
Described concave curved thin plate (14) is provided with aperture, and the aperture of aperture is 0.6 ~ 0.8mm.
This embodiment compared with prior art has following positively effect:
1, this embodiment is primarily of support (1) and refrigerating unit (2) composition, and structure is simple; After cooling air enters refrigerating unit (2), the air-flow of cooling air is assigned to the left and right sides by the flow deflector (9) of the superiors, all pressures chamber that the air-flow of cooling air enters between flow deflector (9) and equal pressing plate (10) mixes further, completes voltage stabilizing.Flowed out by the ventilating pit on equal pressing plate (10) and enter wind direction regulating device (11), the conveying of cooling air can complete the voltage stabilizing process of cooling air without the need to outside equalizer tank, the integration of this device is good.
2, the cooling air that all pressing plate (10) flows out is changed the flow direction of cooling air by wind direction regulating device (11), the left swing rotor blade (7) of wind direction regulating device (11) and right oscillating vane (12) adjustable angle, middle stator blades (8) angle is fixed and distinguishes vertically downward.Rotate the rotary handle (15) in left side, driving toothed gear (19) is driven to rotate by the transmission of worm gear (18) worm screw (17), driving toothed gear (19) drives follower gear (23) to rotate by long tooth bar (20), the 1st left swing rotor blade (7) is from left to right driven to rotate by follower gear (23) again, because the top of left swing rotor blade (7) is hinged with connecting rod (22) respectively, thus realize the synchronization control of left swing rotor blade (7) angle.Right oscillating vane (12) and left swing rotor blade (7) are symmetrical arranged.Due to the self-locking performance of worm gear (18) worm screw (17) transmission, the self-retaining of left swing rotor blade (7) and right oscillating vane (12) angle position can be realized, meet the heat treatment requirements of different size heavy duty rail head.
3, the cooling air after wind direction is adjusted as shown in Figure 6, the aperture ejection of the concave curved thin plate (14) through refrigerating unit (2) bottom, for the cold problem of mistake that left hand corner and the right hand corner place of heavy duty rail head tread in process of cooling occur, the pitch-row of aperture is evenly increased both sides to the left and right by medullary ray, reduce the air output of the heavy duty rail head left and right sides, achieve the Homogeneous cooling to heavy duty rail head.
Therefore, this embodiment has the advantage that structure is simple and integration is good, adopts this device can realize the adjustment of cooling air wind direction, meets the heat treatment requirements of different size heavy duty rail head, can realize Homogeneous cooling to heavy duty rail head.
Claims (5)
1., for a thermal treatment unit for heavy duty rail head, it is characterized in that described device comprises support (1) and refrigerating unit (2); The upper plate of refrigerating unit (2) is fixedly connected with by the upper beam of mounting plate (5) with support (1); The center position of refrigerating unit (2) upper plate is equipped with cooling air inlet pipe (3) vertically, and cooling air inlet pipe (3) is equipped with magnetic valve (4); Left side and the right side of refrigerating unit (2) bottom are horizonal base plate, and the middle position of bottom is provided with the outlet of concave arc cold wind, and concave curved thin plate (14) is equipped with in concave arc cold wind exit; Refrigerating unit (2) middle position is flatly fixed with equal pressing plate (10), and refrigerating unit (2) inwall is close on four limits of equal pressing plate (10); Equal pressing plate (10) upper horizontal flow deflector (9) is housed, refrigerating unit (2) inwall is close in the front-end and back-end of flow deflector (9), between equal pressing plate (10) and the outlet of concave arc cold wind, wind direction regulating device (11) is flatly housed;
Described equal pressing plate (10) is provided with ventilating pit equably, and the diameter of described ventilating pit is 10 ~ 12mm, and the pitch-row of described ventilating pit is 1.5 ~ 2.0 times of ventilating pit diameter; The lateral length of described flow deflector (9) is 0.6-0.7 times of refrigerating unit (2) inwall lateral length, and the centre of form of flow deflector (9) and the medullary ray of cooling air inlet pipe (3) are on same straight line;
The structure of wind direction regulating device (11) is: the front side of refrigerating unit (2) inwall and rear side are equipped with blade retaining plate (21) symmetrically,
Blade retaining plate (21) has axis hole equably, left swing rotor blade (7), middle stator blades (8) and right oscillating vane (12) are arranged in axis hole from left to right successively actively by respective rotation axis (24), middle stator blades (8) is 3 ~ 4, and left swing rotor blade (7) is 2 ~ 3; The top of left swing rotor blade (7) is hinged with connecting rod (22) respectively, the rotation axis (24) of the 1st left swing rotor blade (7) is equipped with follower gear (23) from left to right, and follower gear (23) engages with long tooth bar (20); Long tooth bar (20) is arranged in the chute of slide plate (16) actively, the right half part of slide plate (16) is horizontally fixed on the inwall of refrigerating unit (2) front side, the left-half of slide plate (16) passes the housing of refrigerating unit (2), and the left-half of slide plate (16) is horizontally fixed on the inwall of angular adjustment apparatus (6) front side in left side; Rotating shaft (25) two ends of the angular adjustment apparatus (6) in left side are horizontally fixed on along the longitudinal direction by bearing in the angular adjustment apparatus (6) in left side, driving toothed gear (19) is equipped with in rotating shaft (25) front side, driving toothed gear (19) engages with long tooth bar (20), rotating shaft (25) rear side is equipped with worm gear (18), worm gear (18) coordinates with worm screw (17), and rotary handle (15) is equipped with in worm screw (17) left side;
The angular adjustment apparatus (13) on right oscillating vane (12) and right side is symmetrical arranged with the angular adjustment apparatus (6) in left swing rotor blade (7) and left side.
2. the thermal treatment unit for heavy duty rail head according to claim 1, is characterized in that described middle stator blades (8) vertically downward.
3. the thermal treatment unit for heavy duty rail head according to claim 1, it is characterized in that described concave curved thin plate (14) is provided with aperture, the aperture of aperture is 0.6 ~ 1.0mm, the pitch-row of aperture is evenly increased with right side to the left by the medullary ray of concave curved thin plate (14), centerline pitch-row is 5 ~ 6mm, and the pitch-row at both sides of the edge place is 8 ~ 10mm.
4. the thermal treatment unit for heavy duty rail head according to claim 1, is characterized in that described refrigerating unit (2) housing, flow deflector (9), all material of pressing plate (10) and cooling air pipeline (3) are stainless steel.
5. the thermal treatment unit for heavy duty rail head according to claim 1, the material that it is characterized in that described left swing rotor blade (7), middle stator blades (8) and right oscillating vane (12) is engineering plastics, the planeform of left swing rotor blade (7), middle stator blades (8) and right oscillating vane (12) is strip, and the both sides of left swing rotor blade (7), middle stator blades (8) and right oscillating vane (12) are fixed with rotation axis (24) all symmetrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520452660.3U CN204714867U (en) | 2015-06-29 | 2015-06-29 | A kind of thermal treatment unit for heavy duty rail head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520452660.3U CN204714867U (en) | 2015-06-29 | 2015-06-29 | A kind of thermal treatment unit for heavy duty rail head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204714867U true CN204714867U (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520452660.3U Withdrawn - After Issue CN204714867U (en) | 2015-06-29 | 2015-06-29 | A kind of thermal treatment unit for heavy duty rail head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204714867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946865A (en) * | 2015-06-29 | 2015-09-30 | 武汉科技大学 | Air-blast quenching device used for rail ends of heavy rails |
-
2015
- 2015-06-29 CN CN201520452660.3U patent/CN204714867U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946865A (en) * | 2015-06-29 | 2015-09-30 | 武汉科技大学 | Air-blast quenching device used for rail ends of heavy rails |
| CN104946865B (en) * | 2015-06-29 | 2017-03-29 | 武汉科技大学 | A kind of air-cooled quenching device for heavy rail rail end |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151021 Effective date of abandoning: 20170329 |
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| AV01 | Patent right actively abandoned |