CN101776528A - Longitudinal fatigue loading device - Google Patents
Longitudinal fatigue loading device Download PDFInfo
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- CN101776528A CN101776528A CN 201010123893 CN201010123893A CN101776528A CN 101776528 A CN101776528 A CN 101776528A CN 201010123893 CN201010123893 CN 201010123893 CN 201010123893 A CN201010123893 A CN 201010123893A CN 101776528 A CN101776528 A CN 101776528A
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Abstract
The invention provides a longitudinal fatigue loading device, which comprises a supporting framework, a longitudinal platform, a supporting device, a longitudinal excitation device, a first connecting device and a second connecting device. The supporting framework is arranged on the longitudinal platform, an adjusting beam is arranged in the frame body of the supporting framework in a sliding way; the supporting device is arranged on the longitudinal platform in a sliding way and is used for supporting a vehicle body to be tested so that the vehicle body to be tested is arranged in the frame body of the supporting framework; one end of the supporting framework, the longitudinal excitation device, the first connecting device and one end of the vehicle body to be tested are connected in series in sequence, the longitudinal excitation device exerts a longitudinal load on the vehicle body to be tested through the first connecting device; and the second connecting device corresponds to the first connecting device, and the other end of the vehicle body, the second connecting device and the adjusting beam are connected in series in sequence. The longitudinal fatigue loading device provided by the embodiment of the invention realizes the purpose of simulating the coupler to exert the longitudinal load on the vehicle body to be tested so as to carry out the fatigue test.
Description
Technical field
The present invention relates to the rolling stock technical field, relate in particular to a kind of longitudinal fatigue loading device.
Background technology
Along with the fast development of China Railway " heavy duty and quick transportation ", the load-carrying and the overall trip speed of rolling stock improve constantly, and the circuit operating condition is to the rolling stock demands for higher performance.For improving the rolling stock design level, guarantee the safety of rolling stock operation, the failtests in " heavy duty, quick " rolling stock research and development is very important.Wherein, by tested car body being applied longitudinal loading, be the main composition part of its failtests to carry out fatigue experiment.
The inventor is in the process of being engaged in art technology work for a long time, and finding does not also have longitudinal fatigue loading device in the prior art, with the simulation coupler force tested car body is applied longitudinal loading, thereby carries out fatigue experiment.
Summary of the invention
The embodiment of the invention provides a kind of longitudinal fatigue loading device, has realized that the simulation coupler force applies longitudinal loading to tested car body, thereby has carried out the purpose of fatigue experiment.
The embodiment of the invention provides a kind of longitudinal fatigue loading device, wherein, comprises a scaffold, a vertical platform, a fulcrum arrangement, a vertical exciting device, first coupling arrangement and second coupling arrangement;
Described scaffold is arranged on described vertical platform, is slidingly equipped with one in the framework of described scaffold and adjusts crossbeam;
Described fulcrum arrangement is slidedly arranged on described vertical platform, and described fulcrum arrangement is used to support tested car body and described tested car body is placed in the framework of described scaffold;
One end of one end of described scaffold, described vertical exciting device, described first coupling arrangement and described tested car body is connected in series successively, and described vertical exciting device applies longitudinal loading by described first coupling arrangement to described tested car body;
Described second coupling arrangement and described first coupling arrangement are oppositely arranged, and lay respectively at the two ends of described tested car body, and the other end of described tested car body, described second coupling arrangement and described adjustment crossbeam are connected in series successively.
Described supporting frame comprises two longitudinal beams, first fixed cross beam, second fixed cross beam, first support column, second support column and the 3rd support column,
Two described longitudinal beams be arranged in parallel, and described first fixed cross beam and second fixed cross beam fixedly connected two described longitudinal beams respectively, to form described framework; Described adjustment crossbeam and is slidedly arranged on the two described longitudinal beams between described first fixed cross beam and second fixed cross beam;
One end of described first support column is fixedly connected on described first fixed cross beam, and the other end of described first support column is fixedly set on described vertical platform;
One end of described second support column is fixedly connected on described second fixed cross beam, and the other end of described second support column is fixedly set on described vertical platform;
Described the 3rd support column is between described first support column and described second support column, and an end of described the 3rd support column is fixedly connected on described adjustment crossbeam, and the other end of described the 3rd support column is slidedly arranged on described vertical platform.
One end of described first fixed cross beam, described vertical exciting device, described first coupling arrangement and described tested car body is connected in series successively.
Described first support column is provided with carriage, and described carriage is used to support described vertical exciting device.
Described first coupling arrangement comprises the first transmission push rod, the first simulation hitch and the first screw-tightened parts;
One end of the described first transmission push rod is articulated in described vertical exciting device, and the other end of the described first transmission push rod is articulated in an end of the described first simulation hitch;
The other end of the described first simulation hitch is pinned at an end of the described first screw-tightened parts;
And the other end of the described first screw-tightened parts be rigidly connected in described tested car body an end preceding slave plate and the back slave plate between.
Described second coupling arrangement comprises the second transmission push rod, the second simulation hitch and the second screw-tightened parts;
One end of the described second transmission push rod is articulated in described adjustment crossbeam, and the other end of the described second transmission push rod is articulated in an end of the described second simulation hitch;
The other end of the described second simulation hitch is pinned at an end of the described second screw-tightened parts;
And the other end of the described second screw-tightened parts be rigidly connected in described tested car body the other end preceding slave plate and the back slave plate between.
Described fulcrum arrangement comprises two supporting structures, and two described supporting structures are slidedly arranged on respectively on described vertical platform, and described supporting structure comprises simulation bolster, four air spring supporters and a support platform;
Four described air spring supporters are distributed in the both sides of described simulation bolster symmetrically, and an end of each described air spring supporter is articulated on the described simulation bolster, and the other end is fixedly set on the described support platform;
Described support platform is slidedly arranged on described vertical platform.
The top of described simulation bolster is provided with a center bearing and two bottom side bearings, and two described bottom side bearings are positioned at the both sides of described center bearing;
The longitudinal fatigue loading device of the embodiment of the invention, by fulcrum arrangement tested car body is supported in the scaffold, and utilize vertical exciting device tested car body to be applied the technical scheme of longitudinal loading by first coupling arrangement, realized that the simulation coupler force applies longitudinal loading to tested car body, thereby carried out the purpose of fatigue experiment.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is for placing the synoptic diagram of tested car body on the longitudinal fatigue loading device of the present invention;
Fig. 2 is the vertical view of longitudinal fatigue loading device of the present invention;
Fig. 3 is the front view of first coupling arrangement in the longitudinal fatigue loading device of the present invention;
Fig. 4 is the vertical view of first coupling arrangement in the longitudinal fatigue loading device of the present invention;
The structural representation that Fig. 5 is connected with the basis seat for supporting structure in the longitudinal fatigue loading device of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is for placing the synoptic diagram of tested car body on the longitudinal fatigue loading device of the present invention.Fig. 2 is the vertical view of longitudinal fatigue loading device of the present invention.In conjunction with illustrated in figures 1 and 2, the longitudinal fatigue loading device of present embodiment comprises a scaffold, a vertical platform 108, a fulcrum arrangement, a vertical exciting device 110, first coupling arrangement and second coupling arrangement, particularly,
Scaffold comprises two longitudinal beams 101, first fixed cross beam 102, second fixed cross beam 103, first support column 104, second support column 106, the 3rd support column 105, wherein, two longitudinal beams 101 be arranged in parallel, first fixed cross beam 102 and second fixed cross beam 103 be arranged in parallel, and first fixed cross beam 102 and second fixed cross beam 103 are fixedlyed connected two longitudinal beams 101 respectively, moreover first fixed cross beam 102 be positioned at an end of two longitudinal beams 101, second fixed cross beam 103 is positioned at the other end of two longitudinal beams 101, to form framework; Adjust crossbeam 107 between first fixed cross beam 102 and second fixed cross beam 103, and in framework, be slidedly arranged on two longitudinal beams 101; One end of first support column 104 is fixedly connected on the bottom of first fixed cross beam 102, and the other end of first support column 104 is fixedly set on vertical platform 108; One end of second support column 106 is fixedly connected on second fixed cross beam 103, and the other end of second support column 106 is fixedly set on vertical platform 108; The 3rd support column 105 is between first support column 104 and second support column 106, and an end of the 3rd support column 105 is fixedly connected on the other end of adjusting crossbeam 107, the three support columns 105 and is slidedly arranged on vertical platform 108; Further, first support column 104 is provided with carriage 109, and this carriage 109 is used to support vertical exciting device 110, moreover this vertical exciting device 110 is vertical actuator;
Fig. 3 is the front view of first coupling arrangement in the longitudinal fatigue loading device of the present invention.Fig. 4 is the vertical view of first coupling arrangement in the longitudinal fatigue loading device of the present invention.In conjunction with Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, first coupling arrangement comprises the first transmission push rod 111, the first simulation hitch 112 and the first screw-tightened parts 113, wherein, the two ends of the first transmission push rod 111 are provided with ball pivot, pass through ball pivot, the other end that one end of the first transmission push rod 111 is articulated in vertical exciting device 110, the first transmission push rods 111 is articulated in an end of the first simulation hitch 112; The other end of the first simulation hitch 112 is pinned at an end of the first screw-tightened parts 113; And the other end of the first screw-tightened parts 113 rigidly, seamlessly is connected between the front draft lug and rear draft lug of an end of tested car body 114 (all not illustrating in Fig. 1 and Fig. 2), promptly an end of scaffold, vertically an end of exciting device 110, first coupling arrangement and tested car body 114 is connected in series successively;
Moreover, second coupling arrangement and the corresponding setting of first coupling arrangement, similar, this second coupling arrangement is positioned at the other end of tested car body 114, particularly, this second coupling arrangement comprises the second transmission push rod 115, second simulation hitch (in Fig. 1 and Fig. 2, all not illustrating) and the second screw-tightened parts (in Fig. 1 and Fig. 2, all not illustrating), wherein, the two ends of the second transmission push rod 115 are provided with ball pivot, pass through ball pivot, one end of the second transmission push rod 115 is articulated in the end that the other end of adjusting crossbeam 107, the second transmission push rods 115 is articulated in the second simulation hitch; The other end of the second simulation hitch is pinned at an end of the second screw-tightened parts; And the other end of the described second screw-tightened parts rigidly, seamlessly is connected between the front draft lug and rear draft lug of the other end of tested car body 114, the other end of promptly tested car body 114, second coupling arrangement and adjust crossbeam 107 and be connected in series successively;
The seamless connection of one end of the other end of the first screw-tightened parts 113 and tested car body 114, and the other end of the second screw-tightened parts is connected with the other end of tested car body 114 is seamless, its objective is at vertical exciting device 110 and tested car body 114 is applied in the process of longitudinal loading by first coupling arrangement, guaranteeing first coupling arrangement and second coupling arrangement, and can improve vertical loading frequency of whole fatigue experiment to tested car body 114 no impacts of collision;
In conjunction with Fig. 5 for shown in a supporting structure in the longitudinal fatigue loading device of the present invention and the basis structural representation that is connected.Fulcrum arrangement is slidedly arranged on vertical platform 108, and fulcrum arrangement is used to support tested car body 114, and tested car body 114 placed in the framework of scaffold, the fulcrum arrangement of present embodiment comprises two supporting structures, two supporting structures are slidedly arranged on respectively on vertical platform 108, particularly, each supporting structure comprises simulation bolster 116, four air spring supporters 117 and a support platform 118; The top of simulation bolster 116 is provided with a center bearing and two bottom side bearings, and two bottom side bearings are slidedly arranged on the top of simulation bolster 116, and two bottom side bearings are positioned at the both sides of this center bearing; Four air spring supporters be distributed in symmetrically the simulation bolster 116 both sides, and an end of each air spring supporter be articulated in the simulation bolster 116 on, the other end is fixedly set on the support platform 118; Support platform 118 is slidedly arranged on vertical platform 108.
Further, each supporting structure also comprises horizontal actuator structure 119, two vertical actuator 120 and two vertical actuator structures; One end of each vertical actuator 120 is articulated in the bottom of simulation bolster 116, and the other end is articulated in first bearing 121, and first bearing 121 is fixedly set on the support platform 118; Laterally actuator structure 119 and basis seat 122 is axially perpendicular, and laterally actuator structure 119 comprises horizontal actuator 123 and head rod 124, one end of head rod 124 is articulated in an end of horizontal actuator 123, the other end of head rod 124 is articulated in the sidepiece of simulation bolster 116, and laterally the other end of actuator 123 is fixedly set on second bearing 125, second bearing 125 is fixedly set on the sidewall of basis seat 122, and basis seat 122 is used to place whole longitudinal fatigue loading device; Vertically actuator structure (not illustrating among Fig. 5) and basic seat 122 axially parallels, vertically the actuator structure comprises the vertical actuator and second connecting link, one end of second connecting link is articulated in an end of vertical actuator, the other end of this second connecting link is articulated in the sidepiece of simulation bolster 116, and vertically the other end of actuator is connected on the fixed support (not illustrating among Fig. 5), and fixed support is vertically installed on the support platform 118.
In real work, length between truck centers according to tested car body 114, be slidedly arranged on vertical platform 108 by fulcrum arrangement and adjust two distances between the supporting structure, simultaneously, according to tested car body body side bearer spacing, adjust the distance between two bottom side bearings on the simulation bolster 116, and two body center plates of tested car body 114 are aimed at the center bearing 126 of two supporting structures respectively, and tested car body 114 is positioned on the longitudinal fatigue loading device of present embodiment; Be slidedly arranged on vertical platform by the 3rd support column 105 again, make second coupling arrangement and first coupling arrangement be connected the two ends of tested car body 114 respectively, with fixing tested car body 114; Then, by first coupling arrangement tested car body 114 is applied longitudinal loading, thereby carry out the vertical fatigue experiment of car body by vertical exciting device 110.
The longitudinal fatigue loading device of present embodiment, by fulcrum arrangement tested car body is supported in the scaffold, and utilize vertical exciting device tested car body to be applied the technical scheme of longitudinal loading by first coupling arrangement, realized that the simulation coupler force applies longitudinal loading to tested car body, thereby carried out the purpose of the vertical fatigue experiment of car body.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a longitudinal fatigue loading device is characterized in that, comprises a scaffold, a vertical platform, a fulcrum arrangement, a vertical exciting device, first coupling arrangement and second coupling arrangement;
Described scaffold is arranged on described vertical platform, is slidingly equipped with one in the framework of described scaffold and adjusts crossbeam;
Described fulcrum arrangement is slidedly arranged on described vertical platform, and described fulcrum arrangement is used to support tested car body and described tested car body is placed in the framework of described scaffold;
One end of one end of described scaffold, described vertical exciting device, described first coupling arrangement and described tested car body is connected in series successively, and described vertical exciting device applies longitudinal loading by described first coupling arrangement to described tested car body;
Described second coupling arrangement and described first coupling arrangement are oppositely arranged, and lay respectively at the two ends of described tested car body, and the other end of described tested car body, described second coupling arrangement and described adjustment crossbeam are connected in series successively.
2. longitudinal fatigue loading device according to claim 1 is characterized in that, described supporting frame comprises two longitudinal beams, first fixed cross beam, second fixed cross beam, first support column, second support column and the 3rd support column,
Two described longitudinal beams be arranged in parallel, and described first fixed cross beam and second fixed cross beam fixedly connected two described longitudinal beams respectively, to form described framework; Described adjustment crossbeam and is slidedly arranged on the two described longitudinal beams between described first fixed cross beam and second fixed cross beam;
One end of described first support column is fixedly connected on described first fixed cross beam, and the other end of described first support column is fixedly set on described vertical platform;
One end of described second support column is fixedly connected on described second fixed cross beam, and the other end of described second support column is fixedly set on described vertical platform;
Described the 3rd support column is between described first support column and described second support column, and an end of described the 3rd support column is fixedly connected on described adjustment crossbeam, and the other end of described the 3rd support column is slidedly arranged on described vertical platform.
3. longitudinal fatigue loading device according to claim 2 is characterized in that, an end of described first fixed cross beam, described vertical exciting device, described first coupling arrangement and described tested car body is connected in series successively.
4. longitudinal fatigue loading device according to claim 2 is characterized in that, described first support column is provided with carriage, and described carriage is used to support described vertical exciting device.
5. according to the described longitudinal fatigue loading device of the arbitrary claim of claim 1 to 4, it is characterized in that described first coupling arrangement comprises the first transmission push rod, the first simulation hitch and the first screw-tightened parts;
One end of the described first transmission push rod is articulated in described vertical exciting device, and the other end of the described first transmission push rod is articulated in an end of the described first simulation hitch;
The other end of the described first simulation hitch is pinned at an end of the described first screw-tightened parts;
And the other end of the described first screw-tightened parts is rigidly connected between the front draft lug and rear draft lug of an end of described tested car body.
6. according to the described longitudinal fatigue loading device of the arbitrary claim of claim 1 to 4, it is characterized in that described second coupling arrangement comprises the second transmission push rod, the second simulation hitch and the second screw-tightened parts;
One end of the described second transmission push rod is articulated in described adjustment crossbeam, and the other end of the described second transmission push rod is articulated in an end of the described second simulation hitch;
The other end of the described second simulation hitch is pinned at an end of the described second screw-tightened parts;
And the other end of the described second screw-tightened parts is rigidly connected between the front draft lug and rear draft lug of the other end of described tested car body.
7. longitudinal fatigue loading device according to claim 1, it is characterized in that, described fulcrum arrangement comprises two supporting structures, and two described supporting structures are slidedly arranged on respectively on described vertical platform, and described supporting structure comprises simulation bolster, four air spring supporters and a support platform;
Four described air spring supporters are distributed in the both sides of described simulation bolster symmetrically, and an end of each described air spring supporter is articulated on the described simulation bolster, and the other end is fixedly set on the described support platform;
Described support platform is slidedly arranged on described vertical platform.
8. longitudinal fatigue loading device according to claim 7 is characterized in that, the top of described simulation bolster is provided with a center bearing and two bottom side bearings, and two described bottom side bearings are slidedly arranged on the top of described simulation bolster, and is positioned at the both sides of described center bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101238930A CN101776528B (en) | 2010-03-11 | 2010-03-11 | Longitudinal fatigue loading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101238930A CN101776528B (en) | 2010-03-11 | 2010-03-11 | Longitudinal fatigue loading device |
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| CN101776528A true CN101776528A (en) | 2010-07-14 |
| CN101776528B CN101776528B (en) | 2012-09-19 |
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| CN2010101238930A Expired - Fee Related CN101776528B (en) | 2010-03-11 | 2010-03-11 | Longitudinal fatigue loading device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607834A (en) * | 2012-03-02 | 2012-07-25 | 武汉理工大学 | Fatigue testing device capable of synchronously loading loads in three directions for structural test piece |
| CN103674585A (en) * | 2013-12-03 | 2014-03-26 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle operation performance testing device |
| CN105334040A (en) * | 2015-11-27 | 2016-02-17 | 西南交通大学 | Research test bed for fatigue strength and load spectra of proportional vehicle body under multi-point excitation load |
| CN107202701A (en) * | 2017-06-13 | 2017-09-26 | 中车齐齐哈尔车辆有限公司 | The test method of lorry body accelerated fatigue test |
| CN107271205A (en) * | 2017-06-13 | 2017-10-20 | 中车齐齐哈尔车辆有限公司 | Rolling stock is delayed unloading the fatigue experimental device and fatigue test method of beam |
| CN107271204A (en) * | 2017-03-30 | 2017-10-20 | 中车齐齐哈尔车辆有限公司 | Non- constant amplitude thresholding data compression method and device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201402216Y (en) * | 2009-05-06 | 2010-02-10 | 齐齐哈尔轨道交通装备有限责任公司 | Device for testing fatigue of connecting piece of railway wagon |
-
2010
- 2010-03-11 CN CN2010101238930A patent/CN101776528B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201402216Y (en) * | 2009-05-06 | 2010-02-10 | 齐齐哈尔轨道交通装备有限责任公司 | Device for testing fatigue of connecting piece of railway wagon |
Non-Patent Citations (2)
| Title |
|---|
| 《201型202型客车转向架》 19641231 李炳权 摇枕弹簧装置 29－30 1－7 , * |
| 《铁道车辆》 19901231 四方车辆研究所车体研究室 车体静强度试验台简介 第三节、图2 1－8 , 第1期 2 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607834A (en) * | 2012-03-02 | 2012-07-25 | 武汉理工大学 | Fatigue testing device capable of synchronously loading loads in three directions for structural test piece |
| CN103674585A (en) * | 2013-12-03 | 2014-03-26 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle operation performance testing device |
| CN105334040A (en) * | 2015-11-27 | 2016-02-17 | 西南交通大学 | Research test bed for fatigue strength and load spectra of proportional vehicle body under multi-point excitation load |
| CN105334040B (en) * | 2015-11-27 | 2018-01-09 | 西南交通大学 | Ratio car body fatigue strength and loading spectrum development test platform under excitation load |
| CN107271204A (en) * | 2017-03-30 | 2017-10-20 | 中车齐齐哈尔车辆有限公司 | Non- constant amplitude thresholding data compression method and device |
| CN107271204B (en) * | 2017-03-30 | 2019-07-23 | 中车齐齐哈尔车辆有限公司 | Non- constant amplitude thresholding data compression method and apparatus |
| CN107202701A (en) * | 2017-06-13 | 2017-09-26 | 中车齐齐哈尔车辆有限公司 | The test method of lorry body accelerated fatigue test |
| CN107271205A (en) * | 2017-06-13 | 2017-10-20 | 中车齐齐哈尔车辆有限公司 | Rolling stock is delayed unloading the fatigue experimental device and fatigue test method of beam |
| CN107271205B (en) * | 2017-06-13 | 2019-09-20 | 中车齐齐哈尔车辆有限公司 | Rolling stock is delayed unloading the fatigue experimental device and fatigue test method of beam |
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| Publication number | Publication date |
|---|---|
| CN101776528B (en) | 2012-09-19 |
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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: Qiqihar Railway Rolling Stock Co., Ltd. |
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