CN102582650B - Method for repairing slave plates of rail wagons and abrasion-resistant plate for repair - Google Patents
Method for repairing slave plates of rail wagons and abrasion-resistant plate for repair Download PDFInfo
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- CN102582650B CN102582650B CN201210048343.6A CN201210048343A CN102582650B CN 102582650 B CN102582650 B CN 102582650B CN 201210048343 A CN201210048343 A CN 201210048343A CN 102582650 B CN102582650 B CN 102582650B
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- plate
- wearing
- wearing plate
- abrasion
- railway truck
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Abstract
The invention relates to a method for repairing slave plates of rail wagons and an abrasion-resistant plate for repair. The method includes steps of (1), examining whether the slave plates have cracks or not, abandoning the slave plates with cracks, and adopting a slave plate without cracks to continue to a next step; (2), examining whether abrasion depths of six surfaces of the slave plate without cracks exceed 2mm or not, and continuing to a next step if the abrasion depth of any one surface of the slave plate without cracks exceeds 2mm; (3), heating and re-forging the slave plate with excessive abrasion, and continuing to a next step after forging is qualified; (4), shearing the abrasion-resistant plate into a plate with a preset specification by a plate shearing machine; (5), measuring the length of the slave plate forged qualifiedly in the step (3), and welding the abrasion-resistant plate with the corresponding thickness on the slave plate according to the length; and (6), examining the size of the slave plate after being welded and installed with the abrasion-resistant plate, and normally using the slave plate if examination is qualified. The method can ensure repair quality of the rail wagons, cost is low, and the structure is simple. The method can be widely applied to repair application of rail wagons.
Description
Technical field
The present invention relates to a kind of railway truck wearing plate and repair method, particularly about a kind of method of overhauling from plate railway truck No. 13 coupler and draft gears and maintenance wearing plate.
Background technology
For guaranteeing the safe in operation of railway truck, railway truck No. 13 coupler and draft gears require with when overhauling from plate: change from during plate crackle; Built-up welding aft-loaded airfoil when being greater than 2mm from plate each portion abrasion, can be welded when side (length direction) abrasion are greater than 2mm wearing plate, adjusting during flexural deformation.But be Q275 from sheet material matter, weldability is poor.According to statistics, railway truck No. 13 coupler and draft gears with from plate, 60% need repair welding because each portion exceed wear limit is had an appointment, and find about 40% from plate because capillary crack phenomenon appears again in repair welding, then scrap after plate has crackle.The raising of the cost of overhaul certainly will be caused like this, can not product design be ensured, the safe in operation of railway truck can not be guaranteed.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of cost lower, Railway Freight Car Repair quality can be guaranteed, and the simple railway truck of structure is from plate repair method and maintenance wearing plate.
For achieving the above object, the present invention takes following technical scheme: a kind of railway truck is from plate repair method, it comprises the steps: (1) checks whether No. 13 coupler and draft gears that railway truck is pulled down have crackle from plate, if there is crackle, scrap, if flawless, carry out next step; (2) check flawless from plate six faces abrasion degree of depth whether more than 2mm, if the abrasion of each portion are all no more than 2mm, then continue to use; If there is position to wear away more than 2mm, then carry out next step; (3) heating from plate, again being forged by free forging machine to exceed wear limit, carries out next step after qualified, otherwise again forges or scrap; (4) with plate shear, wearing plate is cut into the specification preset; (5) the qualified length from plate is forged in measuring process (3), according to length dimension, the wearing plate of the respective thickness that is welded; (6) check be welded after wearing plate from board size, qualified rear normal use, otherwise return something for repairs or scrap.
In described step (3), be describedly heated to 700 ~ 800 DEG C from plate, described open die forging press adopts 750t open die forging press.
In described step (4), described wearing plate employing material is that the carbon steel of Q235-A is made.
In described step (5), when the described length from plate is 307mm ~ 317mm, then at the described one piece of wearing plate that to be welded from plate side; If when the described length from plate is 297mm ~ 307mm, then at the described one piece of wearing plate that to be welded respectively from plate two sides.
In described step (5), described wearing plate and the described weld seam from plate are overlapping weld, and leg is high is 2 ~ 10mm.
A kind of railway truck realizing said method is from plate maintenance wearing plate, it is characterized in that: it comprises the wearing plate from plate and rectangle, described wearing plate is welded on described from plate side, the overall width of described wearing plate is less than described from plate side end thickness, and the length of described wearing plate is less than the described width from plate end.
Described four drift angles from plate all adopt rounding; Described wearing plate employing material is that the carbon steel of Q235-A is made.
Described wearing plate and the described weld seam from plate side adopt overlapping weld, and leg height adopts 2 ~ 10mm.
The present invention is owing to taking above technical scheme, and it has the following advantages: 1, the present invention is used to original No. 13 coupler and draft gears owing to adopting after plate maintenance, namely can meet repair quality, also can reduce the cost of overhaul.2, the present invention is owing to adopting when transforming from plate former No. 13 coupler and draft gears, first will check from plate, meets after maintenance requires and transforms from plate.Like this, both reduced the work capacity of operative employee's maintenance, and turn avoid the maintenance requirement that can not meet railway truck after plate maintenance simultaneously, ensure that Railway Freight Car Repair quality.3, the present invention adopts and after former railway truck No. 13 coupler and draft gears forge from plate, installs wearing plate additional continue to use, and the parts of increase are few, and the cost increasing parts is new low from plate more than again making one.4, the present invention adopts the wearing plate structure of increase simple, is easy to install, this install wearing plate additional from plate after, Railway Freight Car Repair quality can be met, less Railway Freight Car Repair cost.The present invention can be widely used in Railway Freight Car Repair application.
Accompanying drawing explanation
Fig. 1 be of the present invention install wearing plate additional from plate after integral structure schematic diagram;
Fig. 2 is wearing plate structural representation of the present invention;
Fig. 3 is of the present invention from plate structure schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention is used for overhauling from plate railway truck No. 13 coupler and draft gears, it comprises from plate 1 and rectangle wearing plate 2, wearing plate 2 is welded on the side from plate 1, and the overall width of wearing plate 2 is less than from plate 1 side end thickness, the length of wearing plate 2 is less than the width from plate 1 end.
In above-described embodiment, all adopt rounding (as shown in Figure 3) from four drift angles of plate 1, it is simple to forge natural shaped technique like this, and ease of assembly is got on the bus, not easily bump injury operating personal, not easily other accessory of gouge after getting on the bus from plate 1 assembling.
In above-described embodiment, wearing plate 2 adopts surrounding to weld with from plate 1, and weld seam is overlapping weld, and overlapping weld adopts downhand welding mode to carry out.Because the welding process adopted is simple to operate, can meet and resile dimensional characteristic after plate 1 wears away, and weld strength can meet operating needs, easily ensure from plate 1 repair quality.Wherein, different according to the gauge of wearing plate 2, leg is high can adopt 2 ~ 10mm.
In the various embodiments described above, each wearing plate 2 all adopts material to be that the carbon steel of Q235-A is made.
Maintenance railway freight-car coupler shock absorber of the present invention is from plate repair method, and be overhaul from plate No. 13 coupler and draft gears that former railway truck is pulled down, it comprises the steps:
1) first pull down No. 13 coupler and draft gears from plate from railway truck, check from plate whether have crackle, if there is crackle, should carries out scrapping process from plate, and if flawless, carry out step 2).
2) to step 1) in flawlessly do to check further from plate, check that whether its six faces abrasion degree of depth are more than 2mm, if the abrasion of each portion are all no more than 2mm, then can should continue to use from plate; If there is position to wear away more than 2mm, then carry out step 3).
3) to step 2) in heating from plate of exceed wear limit again forge, to being forged by open die forging press from plate after heating, forge qualified after carry out step 4), otherwise again forge or scrap.
Wherein, 700 ~ 800 DEG C will be heated to from plate; Open die forging press adopts 750t open die forging press; To the requirement that forges from plate be: make to be about 225mm from plate width, thickness is about 57mm, length should be greater than 297mm, and planeness is no more than 0.5mm.
4) with plate shear, wearing plate is cut into the specification preset;
Wherein, wearing plate employing material is that the carbon steel of Q235-A is made, and length and width are respectively 215mm and 47mm, and thickness is not more than 10mm, and thickness can be divided into 2mm, 4mm, 6mm, 8mm or 10mm five specifications to prepare.
5) to step 3) in forge qualified measuring from the length of plate, according to length dimension, the wearing plate of the respective thickness that is welded.
If when being 307mm ~ 317mm from the length of plate, then at the one piece of wearing plate that is welded from plate side (length direction); If when No. 13 length from plate are 297mm ~ 307mm, to be then welded respectively one piece of wearing plate from plate two sides (length direction) at No. 13, to make after the wearing plate that is welded to meet from plate length dimension
make to resile dimensional characteristic from plate.Wherein.Wearing plate be overlapping weld from the weld seam of plate, different according to the gauge of the wearing plate that is welded, leg is high is 2 ~ 10mm.
6) to step 5) in be welded wearing plate conventionally require size inspection from board size, and there is no weld defect, normally can use after qualified, otherwise return something for repairs or scrap.
Wherein, prior art requires as follows from board size in requiring: width is
thickness is
length is
planeness is no more than 0.5mm, and without forging defects such as pipes.
The various embodiments described above are only for illustration of the present invention; the structure of each parts, size, setting position and shape all can change to some extent; on the basis of technical solution of the present invention; all improvement of carrying out individual part according to the principle of the invention and equivalents, all should not get rid of outside protection scope of the present invention.
Claims (6)
1. railway truck is from a plate repair method, and it comprises the steps:
(1) check whether No. 13 coupler and draft gears that railway truck is pulled down have crackle from plate, if there is crackle, scrap, if flawless, carry out next step;
(2) check flawless from plate six faces abrasion degree of depth whether more than 2mm, if the abrasion of each portion are all no more than 2mm, then continue to use; If there is position to wear away more than 2mm, then carry out next step;
(3) heating from plate, again being forged by free forging machine to exceed wear limit, carries out next step after qualified, otherwise again forges or scrap; Describedly be heated to 700 ~ 800 DEG C from plate, described open die forging press adopts 750t open die forging press;
(4) with plate shear, wearing plate is cut into the specification preset; Described wearing plate employing material is that the carbon steel of Q235-A is made;
(5) the qualified length from plate is forged in measuring process (3), according to length dimension, the wearing plate of the respective thickness that is welded;
(6) check be welded after wearing plate from board size, qualified rear normal use, otherwise return something for repairs or scrap.
2. a kind of railway truck as claimed in claim 1 is from plate repair method, it is characterized in that: in described step (5), when the described length from plate is 307mm ~ 317mm, then at the described one piece of wearing plate that to be welded from plate side; If when the described length from plate is 297mm ~ 307mm, then at the described one piece of wearing plate that to be welded respectively from plate two sides.
3. a kind of railway truck as claimed in claim 1 or 2 is from plate repair method, it is characterized in that: in described step (5), and described wearing plate and the described weld seam from plate are overlapping weld, and leg is high is 2 ~ 10mm.
4. the railway truck realizing method as described in claims 1 to 3 any one is from plate maintenance wearing plate, it is characterized in that: it comprises the wearing plate from plate and rectangle, described wearing plate is welded on described from plate side, the overall width of described wearing plate is less than described from plate side end thickness, and the length of described wearing plate is less than the described width from plate end.
5. a kind of railway truck, from plate maintenance wearing plate, is characterized in that as claimed in claim 4: described four drift angles from plate all adopt rounding; Described wearing plate employing material is that the carbon steel of Q235-A is made.
6. as described in claim 4 or 5, a kind of railway truck, from plate maintenance wearing plate, is characterized in that: described wearing plate and the described weld seam from plate side adopt overlapping weld, and leg height adopts 2 ~ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210048343.6A CN102582650B (en) | 2012-02-28 | 2012-02-28 | Method for repairing slave plates of rail wagons and abrasion-resistant plate for repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210048343.6A CN102582650B (en) | 2012-02-28 | 2012-02-28 | Method for repairing slave plates of rail wagons and abrasion-resistant plate for repair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102582650A CN102582650A (en) | 2012-07-18 |
| CN102582650B true CN102582650B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210048343.6A Active CN102582650B (en) | 2012-02-28 | 2012-02-28 | Method for repairing slave plates of rail wagons and abrasion-resistant plate for repair |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547388A (en) * | 2021-06-30 | 2021-10-26 | 中车太原机车车辆有限公司 | Detection grinding method for coupler knuckle traction table |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0887244A1 (en) * | 1997-06-23 | 1998-12-30 | Duewag Aktiengesellschaft | Railcar buffer |
| CN101475016A (en) * | 2009-01-21 | 2009-07-08 | 齐齐哈尔轨道交通装备有限责任公司 | Slave plate structure for lorry coupler buffering device |
| CN201338625Y (en) * | 2009-02-03 | 2009-11-04 | 镇江铁科橡塑制品有限公司 | Coupler abrasion board of railway freight-car |
| CN201494461U (en) * | 2009-09-09 | 2010-06-02 | 南车长江车辆有限公司 | Coupler tail frame of railway wagon coupler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08156792A (en) * | 1994-12-02 | 1996-06-18 | Japan Steel Works Ltd:The | Damping material for rolling stock |
-
2012
- 2012-02-28 CN CN201210048343.6A patent/CN102582650B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0887244A1 (en) * | 1997-06-23 | 1998-12-30 | Duewag Aktiengesellschaft | Railcar buffer |
| CN101475016A (en) * | 2009-01-21 | 2009-07-08 | 齐齐哈尔轨道交通装备有限责任公司 | Slave plate structure for lorry coupler buffering device |
| CN201338625Y (en) * | 2009-02-03 | 2009-11-04 | 镇江铁科橡塑制品有限公司 | Coupler abrasion board of railway freight-car |
| CN201494461U (en) * | 2009-09-09 | 2010-06-02 | 南车长江车辆有限公司 | Coupler tail frame of railway wagon coupler |
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| Publication number | Publication date |
|---|---|
| CN102582650A (en) | 2012-07-18 |
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Address after: 100072 Beijing city Fengtai District Zhang Guozhuang No. 1 Patentee after: Beijing Zhongche 27 Vehicles Co. Ltd. Address before: 100072 Beijing city Fengtai District Zhang Guozhuang No. 1 Patentee before: South Locomotive Erqi Vehicle Co., Ltd. |
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Effective date of registration: 20161214 Address after: 100070 Beijing city Fengtai District South Fourth Ring Road No. 188 District No. 8 Patentee after: Beijing Longxuan Rubber & Plastic Co., Ltd. Address before: 100072 Beijing city Fengtai District Zhang Guozhuang No. 1 Patentee before: Beijing Zhongche 27 Vehicles Co. Ltd. |