CN102409585B - Cooler for cooling on-site welded joint of long steel rail and using method for cooler - Google Patents
Cooler for cooling on-site welded joint of long steel rail and using method for cooler Download PDFInfo
- Publication number
- CN102409585B CN102409585B CN201110233768.XA CN201110233768A CN102409585B CN 102409585 B CN102409585 B CN 102409585B CN 201110233768 A CN201110233768 A CN 201110233768A CN 102409585 B CN102409585 B CN 102409585B
- Authority
- CN
- China
- Prior art keywords
- cooling
- wind path
- cooler
- wind
- air duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Machines For Laying And Maintaining Railways (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a cooler for cooling an on-site welded joint of a long steel rail and a using method for the cooler. The cooler is characterized by comprising a walking support, a cooling fan and a cooling wind path distributing device, wherein the cooling wind path distributing device is fixed on the walking support; the cooling fan is arranged on the top of the cooling wind path distributing device; the cooling wind path distributing device has a bottomless empty tank shape; the lower part of the tank body is inwardly folded; wind path partitioning boards and a wind path switch are arranged in the tank; the wind path partitioning boards partition the tank body into a plurality of vertical spaces; and the tops of the wind path partitioning boards are moveably connected with the wind path switch. The using method comprises the following steps of: pushing the cooling wind path distributing device which is connected with an external power supply along the steel rail to a position above the on-site welded joint; turning on a switch of the cooling fan; distributing wind generated by the cooling fan to a part required to be cooled according to a certain sequence and a certain wind amount; and making the center of the cooling wind path distributing device uniformly swing within a range of 10cm around the welded joint so as to fulfill the aim of uniform cooling. The appearance of the welded joint is corrected by using a rule of thermal deformation in the cooling process, so that the appearance qualification rate of the welded joint is improved, the appearance polishing workload is reduced, and the product quality is improved.
Description
Technical field
The present invention relates to a kind of cooler for the cooling of gapless line field welding joints and using method thereof.
Background technology
Long rail welding is one of construction, the indispensable operation of maintenance seamless railroad.The railway that passenger vehicle operation is newly had in current China is substantially all gapless track.The advantages such as gapless track is little with its noise, speed fast, operate steadily, promote rapidly in railway systems.Along with the fast development of China Express Railway, more and more higher to the requirement of gapless track.Steel rail weld joint quality is one of key factor of restriction gapless track Quality advance.Especially on-the-spot Long rail welding joint quality, on-the-spot normalizing adopts nature cooling, and because cooling velocity is slow, after welding point heat treatment, the weldering of hardness ratio factory is low many.Run through after a while and easily occur low joint, affect road speed, increase maintenance load.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cooler for the cooling of gapless line field welding joints and using method thereof, laborsaving, efficient and can improve the quality of steel rail weld joint.
Technical problem to be solved by this invention is achieved through the following technical solutions:
A kind of cooler for the cooling of gapless line field welding joints, it is characterized in that: comprise traveling support, cooling fan and cooling air duct distributor, described cooling air duct distributor is fixed on traveling support, and cooling fan is installed at cooling air duct distributor top;
Described cooling air duct distributor is bottomless slack tank shape, and tank body lower part infolding is provided with wind path dividing plate and wind path switch in tank; Tank body is divided into multiple vertical direction spatial by wind path dividing plate, and wind path dividing plate top movable connects wind path switch.
Described wind path dividing plate is three pieces, and tank body central authorities establish one piece of central breviseptum, and another two pieces are located at central breviseptum both sides for long dividing plate symmetry.
Described traveling support is long framework, and its two ends are provided with the traveling roller of band two-wheel edge, and this traveling roller rail is placed on gapless line; Described long framework one end is provided with handrail, handrail is arranged the power switch of cooling fan.。
The long framework of described traveling support is provided with the quarter butt fixing with the tank body of cooling air duct distributor.
The using method of the described cooler for the cooling of gapless line field welding joints, it is characterized in that: will the cooling air duct distributor of external power supply be connected, shift onto above site welding joint along rail, open cooling fan switch, cooling fan produce wind according to a certain order with allocation of the amount of air to needs cooling position, cooling air duct distributor center is evenly swung in the scope of welding point center 10cm, reaches Homogeneous cooling object.The cooling air quantity correcting outward appearance was controlled by cool time, and the wind path that cooling order is formed by wind path dividing plate and wind path switch controls; The departure determination wind path corrected as required and retention time, need the departure of correcting more wind trunk need time of keeping longer, after reaching the retention time, all wind paths are opened and are continued below cooling steel rail weld joint to 60 DEG C.
Relatively the Local cooling time of the welding point of outward appearance acceptance criteria is main relevant with correction amount, correction amount larger local is longer for cool time, also relevant to gas epidemic disaster, the natural conditions such as to blow, under various operating mode, the corresponding relation of correction amount and time is adjusted according to working experience by field personnel.
2, the outside wind path of wind path distributor, higher than the welding point of outward appearance acceptance criteria 0.3 to 0.5mm, is opened by rail surface, and center side 2 wind paths are closed.
Central authorities' 2 wind paths of wind path distributor, lower than the welding point of outward appearance acceptance criteria 0 to 0.3mm, are opened by rail surface, and 2, outside wind path is closed.
2 wind paths outside the central baffle of wind path distributor are opened, the closedown inside central baffle by the convex welding point in outward appearance acceptance criteria 0.3 to 0.5mm in rail work plane side.
2 wind paths inside the central baffle of wind path distributor are opened, the closedown outside central baffle by the recessed welding point in outward appearance acceptance criteria 0 to 0.3mm in rail work plane side.
Beneficial effect of the present invention:
The present invention adopts wind path distributor to control cooling order and the cooling velocity at each position of steel rail weld joint, effectively raises cooling effectiveness, and reduces welding point outward appearance disqualification rate, ensure that on-the-spot rail welding quality.This on-the-spot steel rail weld joint cooler adopts external power supply to provide power source, realize the rapidly and efficiently normalizing of on-the-spot steel rail weld joint and steel rail weld joint cooling, its reasonable in design, simple to operate, need not substantial contribution be dropped into, on-the-spot steel rail weld joint thermal treatment quality can be ensured.
The present invention adopts 2 people can complete heat of cooling process and the outward appearance correction of steel rail weld joint, one people measures rail outward appearance fast, determine the allocative decision of cooling air, another operating cooler carries out cooling operations, each welding point can save cool time half an hour, and operating efficiency improves greatly.
The present invention adopts air cooling way to lower the temperature to welding point, and cooling rate is fast, makes the further refinement of joint metal grain in cooling procedure, improves the surface strength of rail joint, ensure that weldering rail quality.
The present invention adopts wind path distributor, cooling air is assigned to different positions, welding point is cooled in order, the thermal deformation rule Welded Joints of cooling procedure is utilized to carry out face shaping correction, improve the appearance yield of welding point, decrease outward appearance polishing workload, improve product quality.
Accompanying drawing explanation
Fig. 1 apparatus of the present invention elevation
Fig. 2 apparatus of the present invention lateral view
Fig. 3 the present invention is applicable to higher welding point device schematic diagram
Fig. 4 the present invention is applicable to welding point device schematic diagram on the low side
It is recessed in outward appearance acceptance criteria welding point device schematic diagram that Fig. 5 the present invention is applicable to rail work plane side
It is convex in outward appearance acceptance criteria welding point device schematic diagram that Fig. 6 the present invention is applicable to rail work plane side
In figure, 1-traveling support, 2-cooling fan, 3-cooling air duct distributor, 4-wind path dividing plate, 5-wind path switch, 6-wind path, 7-handrail, 8-traveling roller, 9-gapless line, 11-wind path 1,12-wind path 2,13-wind path 3,14-wind path 4
Detailed description of the invention
The invention will be further described for book accompanying drawing.
As shown in Figure 1-2, a kind of cooler for the cooling of gapless line field welding joints, it is characterized in that: comprise traveling support, cooling fan and cooling air duct distributor, described cooling air duct distributor is fixed on traveling support, and cooling fan is installed at cooling air duct distributor top;
Described cooling air duct distributor is bottomless slack tank shape, and tank body lower part infolding is provided with wind path dividing plate and wind path switch in tank; Tank body is divided into multiple vertical direction spatial by wind path dividing plate, and wind path dividing plate top movable connects wind path switch.
Described wind path dividing plate is three pieces, and tank body central authorities establish one piece of central breviseptum, and another two pieces are located at central breviseptum both sides for long dividing plate symmetry.
Described traveling support is long framework, and its two ends are provided with the traveling roller of band two-wheel edge; This traveling roller rail is placed on gapless line.
Described traveling support one end is provided with handrail, handrail is arranged the power switch of cooling fan.
The long framework of described traveling support is provided with the quarter butt fixing with the tank body of cooling air duct distributor.
The using method of the described cooler for the cooling of gapless line field welding joints, it is characterized in that: will the cooling air duct distributor of external power supply be connected, shift onto above site welding joint along rail, open cooling fan switch, cooling fan produce wind according to a certain order with allocation of the amount of air to needs cooling position, cooling air duct distributor center is evenly swung in the scope of welding point center 10cm, reaches Homogeneous cooling object.
The cooling air quantity of described correction outward appearance was controlled by cool time, and the wind path that cooling order is formed by wind path dividing plate and wind path switch controls; The departure determination wind path corrected as required and retention time, need the departure of correcting more wind trunk need time of keeping longer, after reaching the retention time, all wind paths are opened and are continued below cooling steel rail weld joint to 60 DEG C.
2, the outside wind path of wind path distributor, higher than the welding point of outward appearance acceptance criteria 0.3 to 0.5mm, is opened by rail surface, and center side 2 wind paths are closed.
Central authorities' 2 wind paths of wind path distributor, lower than the welding point of outward appearance acceptance criteria 0 to 0.3mm, are opened by rail surface, and 2, outside wind path is closed.
2 wind paths outside the central baffle of wind path distributor are opened, the closedown inside central baffle by the convex welding point in outward appearance acceptance criteria 0.3 to 0.5mm in rail work plane side.
2 wind paths inside the central baffle of wind path distributor are opened, the closedown outside central baffle by the recessed welding point in outward appearance acceptance criteria 0 to 0.3mm in rail work plane side.
An object of the present invention there are provided one and fan can be adopted to produce wind regime, the wind produced by cooling fan by cooling air duct distributor again presses the method for certain allocation of the amount of air to the cooling position needed, it effectively controls the cooling velocity of steel rail weld joint, ensure that the formation of the effective crystal of steel rail weld joint steel in cooling procedure, improve Long rail welding weld thermal treatment quality.Another object of the present invention is to provide a kind of wind adopting cooling air duct distributor to be produced by cooling fan to be assigned to the cooling position of needs according to a certain order, it effectively controls the cooling order at each position of steel rail weld joint, different parts is utilized to cool the thermal deformation of order controlled cooling model, correct welding point shape deviation, improve Long rail welding weld presentation quality.
As seen in figures 3-6: the allocative decision of the wind path distributor of four wind paths:
Standard steel rail weld joint, all opens wind path 1 to the wind path 4 of wind path distributor, connects external power supply, open fan swicth, steel rail weld joint is cooled rapidly, to reach crystal grain thinning, improve the heat treatment requirements of hardness, reduce the stand-by period of subsequent processing simultaneously, increase work efficiency.
Higher welding point, as shown in Figure 3, all opens the wind path 1 of wind path distributor, wind path 4, wind path 2, wind path 3 are closed, and open fan swicth, and rail is cooled by predetermined scheme, revise welding point outward appearance deviation to reach, improve presentation quality, and take into account heat treatment requirements.
Welding point on the low side, as shown in Figure 4, all opens the wind path 2 of wind path distributor, wind path 3, wind path 1, wind path 4 are closed, and open fan swicth, and rail is cooled by predetermined scheme, revise welding point outward appearance deviation to reach, improve presentation quality, and take into account heat treatment requirements.
Rail work plane side is convex in the welding point of outward appearance acceptance criteria, as shown in Figure 5, the wind path 1 of wind path distributor, wind path 2 are opened, wind path 3, wind path 4 are closed, open fan swicth, rail is cooled by predetermined scheme, revise welding point outward appearance deviation to reach, improve presentation quality, and take into account heat treatment requirements.
Rail work plane side is recessed in the welding point of outward appearance acceptance criteria, as shown in Figure 6, the wind path 3 of wind path distributor, wind path 4 are opened, wind path 1, wind path 2 are closed, open fan swicth, rail is cooled by predetermined scheme, revise welding point outward appearance deviation to reach, improve presentation quality, and take into account heat treatment requirements.
Welding point is off-limits needs alignment, mechanically alignment produces shape memory owing to there being internal stress, easily produces geometry and exceeds standard, increase maintenance load between the operating period, thermal deformation is utilized to correct internal stress less, the maintenance load during can operation being greatly reduced.
Claims (10)
1. the cooler for the cooling of gapless line field welding joints, it is characterized in that: comprise traveling support, cooling fan and cooling air duct distributor, described cooling air duct distributor is fixed on traveling support, and cooling fan is installed at cooling air duct distributor top;
Described cooling air duct distributor is bottomless slack tank shape, and tank body lower part infolding is provided with wind path dividing plate and wind path switch in tank; Tank body is divided into multiple vertical direction spatial by wind path dividing plate, and wind path dividing plate top movable connects wind path switch.
2., as claimed in claim 1 for the cooler of gapless line field welding joints cooling, it is characterized in that: described wind path dividing plate is three pieces, tank body central authorities establish one piece of central breviseptum, and another two pieces are located at central breviseptum both sides for long dividing plate symmetry.
3. as claimed in claim 1 for the cooler of gapless line field welding joints cooling, it is characterized in that: described traveling support is long framework, its two ends are provided with the traveling roller of band two-wheel edge, and this traveling roller rail is placed on gapless line; Described long framework one end is provided with handrail, handrail is arranged the power switch of cooling fan.
4. as claimed in claim 3 for the cooler of gapless line field welding joints cooling, it is characterized in that: the long framework of described traveling support is provided with the quarter butt fixing with the tank body of cooling air duct distributor.
5. the using method of the cooler for the cooling of gapless line field welding joints as described in one of Claims 1-4, it is characterized in that: will the cooling air duct distributor of external power supply be connected, shift onto above site welding joint along rail, open cooling fan switch, cooling fan produce wind according to a certain order with allocation of the amount of air to needs cooling position, cooling air duct distributor center is evenly being swung with the scope at 10 centimetres, welding point center;
The cooling air quantity correcting outward appearance was controlled by cool time, and the wind path that cooling order is formed by wind path dividing plate and wind path switch controls; The departure determination wind path corrected as required and retention time, the time needing the larger wind path of departure corrected to need to keep is longer, and after reaching the retention time, all wind paths are opened and continued below cooling steel rail weld joint to 60 DEG C.
6. as claimed in claim 5 for the using method of the cooler of gapless line field welding joints cooling, it is characterized in that: the steel rail weld joint that the not needs meeting outward appearance acceptance criteria are corrected, the wind path of cooling air duct distributor is all opened, steel rail weld joint is cooled rapidly.
7. as claimed in claim 5 for the using method of the cooler of gapless line field welding joints cooling, it is characterized in that: rail surface is higher than the welding point of outward appearance acceptance criteria 0.3 to 0.5mm, opened by 2, the outside wind path of cooling air duct distributor, center side 2 wind paths are closed.
8. as claimed in claim 5 for the using method of the cooler of gapless line field welding joints cooling, it is characterized in that: rail surface is lower than the welding point of outward appearance acceptance criteria 0 to 0.3mm, opened by central authorities' 2 wind paths of cooling air duct distributor, 2, outside wind path is closed.
9. as claimed in claim 5 for the using method of the cooler of gapless line field welding joints cooling, it is characterized in that: the convex welding point in outward appearance acceptance criteria 0.3 to 0.5mm in rail work plane side, 2 wind paths outside the central baffle of cooling air duct distributor are opened, the closedown inside central baffle.
10. as claimed in claim 5 for the using method of the cooler of gapless line field welding joints cooling, it is characterized in that: the recessed welding point in outward appearance acceptance criteria 0 to 0.3mm in rail work plane side, 2 wind paths inside the central baffle of cooling air duct distributor are opened, the closedown outside central baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110233768.XA CN102409585B (en) | 2011-08-16 | 2011-08-16 | Cooler for cooling on-site welded joint of long steel rail and using method for cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110233768.XA CN102409585B (en) | 2011-08-16 | 2011-08-16 | Cooler for cooling on-site welded joint of long steel rail and using method for cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102409585A CN102409585A (en) | 2012-04-11 |
| CN102409585B true CN102409585B (en) | 2015-04-22 |
Family
ID=45911908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110233768.XA Expired - Fee Related CN102409585B (en) | 2011-08-16 | 2011-08-16 | Cooler for cooling on-site welded joint of long steel rail and using method for cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102409585B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751816B (en) * | 2012-07-16 | 2015-03-18 | 北京三一电机系统有限责任公司 | Cooler and wind-driven generator |
| CN104962717B (en) * | 2015-07-16 | 2017-03-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Cooling device for rail |
| CN114059405B (en) * | 2021-12-10 | 2023-09-01 | 株洲三龙特种精密铸造有限公司 | Be used for high-efficient seamless welding set of track |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB437248A (en) * | 1933-09-06 | 1935-10-25 | Oxweld Railroad Service Compan | Improvements in or relating to the treatment of substantially unworn rails |
| CN2196136Y (en) * | 1994-07-15 | 1995-05-03 | 济南铁路局科学技术研究所 | Rail quick cooler |
| CN2639348Y (en) * | 2003-09-08 | 2004-09-08 | 郑体成 | Jet-air cooling device for rail welding heat treatment |
| CN101761002A (en) * | 2009-12-17 | 2010-06-30 | 中国铁道科学研究院金属及化学研究所 | Steel rail welding joint heat treatment device and heater thereof |
| CN201722572U (en) * | 2010-05-11 | 2011-01-26 | 上海铁群铁路设备制造有限公司 | Rail welded joint thermal treatment system |
| CN202194039U (en) * | 2011-08-16 | 2012-04-18 | 中铁二十二局集团第二工程有限公司 | Cooler for cooling long rail field welding joints |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19619171C1 (en) * | 1996-05-11 | 1997-05-28 | Elektro Thermit Gmbh | Method of heat treatment of welded connections of rail tracks |
-
2011
- 2011-08-16 CN CN201110233768.XA patent/CN102409585B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB437248A (en) * | 1933-09-06 | 1935-10-25 | Oxweld Railroad Service Compan | Improvements in or relating to the treatment of substantially unworn rails |
| CN2196136Y (en) * | 1994-07-15 | 1995-05-03 | 济南铁路局科学技术研究所 | Rail quick cooler |
| CN2639348Y (en) * | 2003-09-08 | 2004-09-08 | 郑体成 | Jet-air cooling device for rail welding heat treatment |
| CN101761002A (en) * | 2009-12-17 | 2010-06-30 | 中国铁道科学研究院金属及化学研究所 | Steel rail welding joint heat treatment device and heater thereof |
| CN201722572U (en) * | 2010-05-11 | 2011-01-26 | 上海铁群铁路设备制造有限公司 | Rail welded joint thermal treatment system |
| CN202194039U (en) * | 2011-08-16 | 2012-04-18 | 中铁二十二局集团第二工程有限公司 | Cooler for cooling long rail field welding joints |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102409585A (en) | 2012-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102409585B (en) | Cooler for cooling on-site welded joint of long steel rail and using method for cooler | |
| CN105200223A (en) | Large forged steel supporting roller heat treatment method | |
| CN203944993U (en) | The metal shell laser welding apparatus of battery core | |
| CN207735466U (en) | A kind of curling mechanism of diel | |
| CN103331904B (en) | A kind of bottle embryo cooling device of rotary bottle blowing machine | |
| CN101323085A (en) | Equipment for assembling and disassembling solar water heater storage water tank horizontal type foaming mold | |
| CN208529376U (en) | The steam-cured mechanism of track plates flow production line and system | |
| CN202194039U (en) | Cooler for cooling long rail field welding joints | |
| CN203371778U (en) | Bottle base cooling device of rotary bottle blowing machine | |
| CN102042765B (en) | Ring cold machine slewing frame circularity adjusting method | |
| CN209614516U (en) | A kind of energy-efficient plate cutting device | |
| CN204799691U (en) | Cut deal rolls postcooling water spray system | |
| CN211170768U (en) | Novel coil for induction heat treatment of strip | |
| CN203513739U (en) | Water spraying ring with self-cooling structure | |
| CN202153470U (en) | Noise reduction structure for converter transformer | |
| CN202107729U (en) | Bogie type isothermal normalizing line | |
| CN201442196U (en) | Device for offline cooling roller | |
| CN205509767U (en) | Air -air cooler device for motor | |
| RU168673U1 (en) | Device for heat treatment of welded rail joints in track conditions | |
| CN204244485U (en) | Automobile lamp annular destressing room | |
| CN204699973U (en) | Passenger train axle box bore washing machine | |
| CN202116613U (en) | Regulating baffle device | |
| CN206982061U (en) | A kind of T sides crane span structure group is to tooling platform | |
| CN203681652U (en) | Engineering vehicle detachable rear beam and ancillary facility convenient for replacing operation modules | |
| CN203734189U (en) | Column-type gas electricity distribution apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20150816 |
|
| EXPY | Termination of patent right or utility model |