CN104386089A - Contour clearance switching device applicable to various types of vehicles - Google Patents
Contour clearance switching device applicable to various types of vehicles Download PDFInfo
- Publication number
- CN104386089A CN104386089A CN201410441064.5A CN201410441064A CN104386089A CN 104386089 A CN104386089 A CN 104386089A CN 201410441064 A CN201410441064 A CN 201410441064A CN 104386089 A CN104386089 A CN 104386089A
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- China
- Prior art keywords
- pivoted housing
- vertical
- horizontal
- seat board
- clearance
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/02—Profile gauges, e.g. loading gauges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention provides a contour clearance switching device applicable to various types of vehicles and belongs to the field of railway vehicle outer contour clearance devices. The contour clearance switching device comprises horizontal clearance plate mounting seat assemblies and vertical clearance plate mounting seat assemblies, wherein each horizontal clearance plate mounting seat assembly comprises a plurality of horizontal rotating sleeves which are connected coaxially in sequence; each vertical clearance plate mounting seat assembly comprises a plurality of vertical rotating sleeves which are connected coaxially in sequence; the horizontal rotating sleeves of each horizontal clearance plate mounting seat assembly are simultaneously and fixedly connected with a plurality of contour clearance plates for different types of vehicles; and the vertical rotating sleeves of each vertical clearance plate mounting seat assembly are also simultaneously and fixedly connected with a plurality of contour clearance plates for different types of vehicles. The contour clearance switching device can select and switch a group of contour clearance plates matched with a currently required vehicle clearance to form a whole set of vehicle outer contour clearance matched with a vehicle to be detected currently; and the contour clearance plates in the contour clearance switching device, which are matched with other types of vehicles, are all turned to face the outer side of a gantry clearance rack by means of turning, overhanging and the like. The contour clearance switching device also has the advantages of simple and practical structure and convenient operation.
Description
Technical field
The invention belongs to guideway vehicle outline boundaries field, be specifically related to a kind of profile gauge shifter being applicable to various.
Background technology
Guideway vehicle manufacture gauge is a train limit cross-sectional outling vertical with rail central lines of track.As shown in Figure 1, in the production process of guideway vehicle, usually manufacture gauge by the guideway vehicle of theoretical drawing and manufacture multiple profile gauge plate group 10, then utilize the crack inside gate framework 13 that gauge plate group 10 is fixing one by one and be jointly spliced to form the vehicle outline gauge that a whole set of and vehicle to be detected match, whether to meet gauge to true train outline detect.
For each rain model, said method all needs to produce separately the gauge plate group 10 matched with this vehicle, therefore, when manufacturing line changes rain model, just the gauge plate group 10 of old vehicle need be disassembled one by one from gate framework 13, and the new gauge plate group matched with rain model to be replaced need be filtered out from storehouse, then they are reinstalled to respectively on gate framework 13, to form new vehicle outline gauge.
When manufacturing line changes vehicle kind continually, above-mentioned gauge plate group changes operation to waste time and energy, and usually incurs loss through delay production hour in a large number, affects job schedule, cause the low of production efficiency, produces economic loss.
Summary of the invention
The gauge of new model is all needed to be formed when existing manufacturing line changes vehicle kind at every turn in order to solve, and by the gauge plate group of old vehicle one by one from gate framework dismantle and change to be formed new vehicle outline gauge gauge plate group change operation waste time and energy, usually incur loss through delay production hour in a large number, affect job schedule, cause the low of production efficiency, produce the technical matters of economic loss, the invention provides a kind of profile gauge shifter being applicable to various.
The technical scheme that technical solution problem of the present invention is taked is as follows:
Be applicable to the profile gauge shifter of various, it is characterized in that, this device comprises two columns, top crossbeam, multiple positioning lathe dog, two bend pipe tools, right side crossbeam, left side beams, two tee pipe fittings, multiple horizontal pivoted housing, multiple vertical pivoted housing and multiple pads; Top crossbeam is connected respectively by two bend pipe tools and two columns and jointly forms gate clearance limit frame; A tee pipe fitting is corresponding with a column, and the upper and lower end of tee pipe fitting is located also axle respectively by two positioning lathe dogs and is connected in the epimere of a column; One end of right side crossbeam is connected in the epimere of a column by a tee pipe fitting axle, one end of left side beams is connected in the epimere of another column by another tee pipe fitting axle; The right side other end of crossbeam and the other end co-axially align of left side beams;
Described horizontal pivoted housing comprises horizontal pivoted housing seat board and two horizontal pivoted housing axle beds, and the two ends of horizontal pivoted housing seat board long side wall are respectively equipped with a horizontal pivoted housing connecting panel; Described two horizontal pivoted housing axle beds are coaxial, the plane at horizontal pivoted housing seat board place by the rotating shaft of two horizontal pivoted housing axle beds, and two horizontal pivoted housing connecting panels the lateral wall of horizontal pivoted housing axle bed is connected with one respectively; Horizontal pivoted housing seat board, two horizontal pivoted housing axle beds and two horizontal pivoted housing connecting panels are one-body molded; The end face of horizontal pivoted housing seat board is also provided with the rectangular through hole of multiple horizontal pivoted housings and lightening hole;
Multiple horizontal pivoted housing coaxially connects and a common formation horizontal gauge plate mounting bracket assembly in turn, is all opened by one or more spacers between the horizontal pivoted housing axle bed of each horizontal pivoted housing and the horizontal pivoted housing axle bed of another contiguous horizontal pivoted housing; The two ends of a horizontal gauge plate mount pad are respectively by a positioning lathe dog location and axle is connected on right side crossbeam or left side beams;
Described vertical pivoted housing comprises vertical pivoted housing seat board and two vertical pivoted housing axle beds, and the two ends of vertical pivoted housing seat board long side wall are respectively equipped with a vertical pivoted housing connecting panel; Described two vertical pivoted housing axle beds are coaxial, the plane at vertical pivoted housing seat board place by the rotating shaft of two vertical pivoted housing axle beds, and two vertical pivoted housing connecting panels the lateral wall of vertical pivoted housing axle bed is connected with one respectively; Vertical pivoted housing seat board, two vertical pivoted housing axle beds and two vertical pivoted housing connecting panels are one-body molded; The end face of vertical pivoted housing seat board is also provided with the rectangular through hole of multiple vertical pivoted housings; Multiple vertical pivoted housing coaxially connects and a common formation vertical gauge plate mounting bracket assembly in turn, is all opened by one or more spacers between the vertical pivoted housing axle bed of each vertical pivoted housing and the vertical pivoted housing axle bed of another contiguous vertical pivoted housing; The two ends of a vertical gauge plate mount pad are located respectively by a positioning lathe dog and axle is connected on a column.
The invention has the beneficial effects as follows: this is applicable to the profile gauge shifter of various, comprise coaxially being connected in turn by multiple horizontal pivoted housing and jointly being formed a horizontal gauge plate mounting bracket assembly and coaxially connected in turn by multiple vertical pivoted housing and also jointly form a vertical gauge plate mounting bracket assembly, horizontal pivoted housing in each horizontal gauge plate mount pad group is fixed with the profile gauge plate of multiple different automobile types all simultaneously, and the vertical pivoted housing in each vertical gauge plate mount pad group is also fixed with the profile gauge plate of multiple different automobile types all simultaneously.This device can be selected and switch the one group of profile gauge plate matched with current required vehicle gauge, and the vehicle outline gauge making it form a whole set of and current vehicle to be detected to match, simultaneously, by modes such as upset, suspentions, the profile gauge plate mated with all the other vehicles in this device all overturns towards the outside of gate clearance limit frame.This profile gauge shifter also has simple and practical, easy to operate, with low cost, is convenient to advantages such as popularizing.
Accompanying drawing explanation
Fig. 1 is the application schematic diagram of old gate framework and gauge plate group;
Fig. 2 is the front elevation that the present invention is applicable to the profile gauge shifter of various;
Fig. 3 be gate clearance limit frame of the present invention respectively with the assembling schematic diagram of left crossbeam and right side crossbeam;
Fig. 4 is the block diagram of the horizontal pivoted housing of the present invention;
Fig. 5 is the block diagram of the vertical pivoted housing of the present invention;
Fig. 6 is the exploded perspective view of the present invention's horizontal gauge plate mounting bracket assembly;
Fig. 7 is the block diagram of the present invention's vertical gauge plate mounting bracket assembly;
The application schematic diagram of Fig. 8 when to be multiple horizontal pivoted housing be hung on top crossbeam via rope.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Fig. 2 to Fig. 8, be applicable to the profile gauge shifter of various, this device comprises two columns 1, top crossbeam 2, multiple positioning lathe dog 3, two bend pipe tools 4, right side crossbeam 5, left side beams 6, two tee pipe fittings 7, multiple horizontal pivoted housing 8, multiple vertical pivoted housing 9 and multiple pad 11.Top crossbeam 2 is connected respectively by two bend pipe tools 4 and two columns 1 and jointly forms gate clearance limit frame.A tee pipe fitting 7 is corresponding with a column 1, and the upper and lower end of tee pipe fitting 7 is located also axle respectively by two positioning lathe dogs 3 and is connected in the epimere of a column 1.One end of right side crossbeam 5 is connected in the epimere of a column 1 by tee pipe fitting 7 axle, one end of left side beams 6 is connected in the epimere of another column 1 by another tee pipe fitting 7 axle.The right side other end of crossbeam 5 and the other end co-axially align of left side beams 6.The sidewall of positioning lathe dog 3 is provided with screw, can pass through screw fastening, and be connected and be positioned at the optional position on column 1 or top crossbeam 2,11, pad is for the appropriate adjustment to gap.
Horizontal pivoted housing 8 comprises horizontal pivoted housing seat board 8-1 and two horizontal pivoted housing axle bed 8-2, and the two ends of horizontal pivoted housing seat board 8-1 long side wall are respectively equipped with a horizontal pivoted housing connecting panel 8-1-3.Two horizontal pivoted housing axle bed 8-2 are coaxial, the plane at horizontal pivoted housing seat board 8-1 place by the rotating shaft of two horizontal pivoted housing axle bed 8-2, and two horizontal pivoted housing connecting panel 8-1-3 the lateral wall of horizontal pivoted housing axle bed 8-2 is connected with one respectively.Horizontal pivoted housing seat board 8-1, two horizontal pivoted housing axle bed 8-2 and two horizontal pivoted housing connecting panel 8-1-3 are one-body molded.The end face of horizontal pivoted housing seat board 8-1 is also provided with multiple horizontal pivoted housing rectangular through hole 8-1-1 and lightening hole 8-1-2.
Multiple horizontal pivoted housing 8 is coaxial to be connected and a common formation horizontal gauge plate mounting bracket assembly in turn, all spaced apart by one or more pad 10 between the horizontal pivoted housing axle bed 8-2 of each horizontal pivoted housing 8 and horizontal pivoted housing axle bed 8-2 of another contiguous horizontal pivoted housing 8.The two ends of a horizontal gauge plate mount pad are located respectively by a positioning lathe dog 3 and axle is connected on right side crossbeam 5 or left side beams 6.
Vertical pivoted housing 9 comprises vertical pivoted housing seat board 9-1 and two vertical pivoted housing axle bed 9-2, and the two ends of vertical pivoted housing seat board 9-1 long side wall are respectively equipped with a vertical pivoted housing connecting panel 9-1-3.Two vertical pivoted housing axle bed 9-2 are coaxial, the plane at vertical pivoted housing seat board 9-1 place by the rotating shaft of two vertical pivoted housing axle bed 9-2, and two vertical pivoted housing connecting panel 9-1-3 the lateral wall of vertical pivoted housing axle bed 9-2 is connected with one respectively.Vertical pivoted housing seat board 9-1, two vertical pivoted housing axle bed 9-2 and two vertical pivoted housing connecting panel 9-1-3 are one-body molded.The end face of vertical pivoted housing seat board 9-1 is also provided with the rectangular through hole 9-1-1 of multiple vertical pivoted housing.Multiple vertical pivoted housing 9 is coaxial to be connected and a common formation vertical gauge plate mounting bracket assembly in turn, all spaced apart by one or more pad 10 between the vertical pivoted housing axle bed 9-2 of each vertical pivoted housing 9 and vertical pivoted housing axle bed 9-2 of another contiguous vertical pivoted housing 9.The two ends of a vertical gauge plate mount pad are located respectively by a positioning lathe dog 3 and axle is connected on a column 1.
When embody rule the present invention is applicable to the profile gauge shifter of various, be enclosed within a column 1 jointly to form a vertical gauge plate mounting bracket assembly by three vertical pivoted housings, 9, four pads 11.This vertical gauge plate mounting bracket assembly is adjusted to appropriate position along column 1, more spacing and fixing by positioning lathe dog 3.On column 1, assemble multiple vertical gauge plate mounting bracket assembly after the same method respectively, and assemble multiple horizontal gauge plate mounting bracket assembly at right side crossbeam 5 and left side beams 6 respectively.
Overlap profile gauge plate group 10 to be arranged on corresponding with vehicle A, vehicle B and vehicle C three respectively on profile gauge shifter of the present invention by the outline line shape of its corresponding vehicle and position.Three the horizontal pivoted housing seat board 8-1 be positioned on a horizontal gauge plate mounting bracket assembly as shown in Figure 8, are connected with one piece of gauge plate C of one piece of gauge plate A of vehicle A, one piece of gauge plate B and vehicle C of vehicle B is corresponding respectively by its concrete grammar.After this, adopt in the same way, on all the other each horizontal gauge plate mounting bracket assemblies, one piece of gauge plate A, one piece of gauge plate B and piece of gauge plate C are installed respectively all simultaneously.
Adopt the mode identical with above-mentioned horizontal gauge plate mounting bracket assembly, on each vertical gauge plate mounting bracket assembly, one piece of gauge plate A, one piece of gauge plate B and piece of gauge plate C are installed all simultaneously.
In a horizontal gauge plate mounting bracket assembly, the horizontal pivoted housing seat board 8-1 being fixed with gauge plate A is allowed to naturally droop, again all the other the two pieces horizontal pivoted housing seat board 8-1 be connected with gauge plate B or gauge plate C are overturn simultaneously as upwards, finally then knot with the lightening hole 8-1-2 that soft rope 12 is each passed through on these two horizontal pivoted housing seat board 8-1, upwards will be suspended on top crossbeam 2 both it.Use the same method, respectively same suspention process is done to all the other horizontal gauge plate mounting bracket assemblies.Finally, make only to remain with one group of horizontal pivoted housing seat board 8-1 be connected with gauge plate A in each horizontal gauge plate mounting bracket assembly still to keep naturally drooping state, all the other horizontal pivoted housing seat board 8-1 be all connected with gauge plate B or gauge plate C are all organized soft rope 12 more and are hung on top crossbeam 2.
Overturn the vertical pivoted housing seat board 9-1 of a vertical gauge plate mounting bracket assembly, the vertical pivoted housing seat board 9-1 be connected with gauge plate A in this vertical gauge plate mounting bracket assembly is made to point to the inner side of gate clearance limit frame, and make itself and the aforementioned horizontal pivoted housing seat board 8-1 naturally drooped coplanar, then remaining two pieces vertical pivoted housing seat board 9-1 in this vertical gauge plate mounting bracket assembly are all overturn and point to the outside of gate clearance limit frame.Adopt upset mode as hereinbefore, overturn each vertical gauge plate mounting bracket assembly respectively.Finally make only to remain with the inner side that one group of vertical pivoted housing seat board 9-1 be connected with gauge plate A still points to gate clearance limit frame in each vertical gauge plate mounting bracket assembly, all the other vertical pivoted housing seat board 9-1 be all connected with gauge plate B or gauge plate C then all point to the outside of gate clearance limit frame.So far, the horizontal pivoted housing seat board 8-1 that each and gauge plate A are connected or vertically pivoted housing seat board 9-1 all point to the inner side of gate clearance limit frame, and they are coplanar each other and be jointly spliced to form the vehicle outline gauge that a whole set of and vehicle A to be detected match.Meanwhile, the horizontal pivoted housing seat board 8-1 that each and gauge plate B or gauge plate C are connected or vertically pivoted housing seat board 9-1 then all point to the outside of gate clearance limit frame, are in untapped idle state.Now, profile gauge shifter of the present invention can be directly used in and carry out gauge detection to the outline of vehicle A.
When manufacturing line needs to change to vehicle B from vehicle A, only need untie knotting of soft rope 12 corresponding to each horizontal gauge plate mounting bracket assembly respectively, discharge the horizontal pivoted housing seat board 8-1 that each and gauge plate B are connected, and again with soft rope 12, the horizontal pivoted housing seat board 8-1 that each and gauge plate A or gauge plate C are connected is suspended on top crossbeam 2 all again, each vertical gauge plate mounting bracket assembly of manual overturning again, the vertical pivoted housing seat board 9-1 that each and gauge plate B are connected all points to the inner side of gate clearance limit frame, and the vertical pivoted housing seat board 9-1 making each and gauge plate A or gauge plate C be connected then all overturns and points to the outside of gate clearance limit frame, profile gauge shifter of the present invention can be made for carrying out gauge detection to the outline of vehicle B.
When manufacturing line needs to change to vehicle C, the handoff procedure of its gauge plate is identical with aforementioned changing method.
This is applicable to the profile gauge shifter of various, comprise coaxially being connected in turn by multiple horizontal pivoted housing and jointly being formed a horizontal gauge plate mounting bracket assembly and coaxially connected in turn by multiple vertical pivoted housing and also jointly form a vertical gauge plate mounting bracket assembly, horizontal pivoted housing in each horizontal gauge plate mount pad group is fixed with the profile gauge plate of multiple different automobile types all simultaneously, and the vertical pivoted housing in each vertical gauge plate mount pad group is also fixed with the profile gauge plate of multiple different automobile types all simultaneously.This device can be selected and switch the one group of profile gauge plate matched with current required vehicle gauge, and the vehicle outline gauge making it form a whole set of and current vehicle to be detected to match, simultaneously, by modes such as upset, suspentions, the profile gauge plate mated with all the other vehicles in this device all overturns towards the outside of gate clearance limit frame.This profile gauge shifter also has simple and practical, easy to operate, with low cost, is convenient to advantages such as popularizing.
Claims (1)
1. be applicable to the profile gauge shifter of various, it is characterized in that: this device comprises two columns (1), top crossbeam (2), multiple positioning lathe dog (3), two bend pipe tools (4), right side crossbeam (5), left side beams (6), two tee pipe fittings (7), multiple horizontal pivoted housing (8), multiple vertical pivoted housing (9) and multiple pads (10); Top crossbeam (2) is connected respectively by two bend pipe tools (4) and two columns (1) and jointly forms gate clearance limit frame; A tee pipe fitting (7) is corresponding with a column (1), and the upper and lower end of tee pipe fitting (7) is located also axle respectively by two positioning lathe dogs (3) and is connected in the epimere of a column (1); By a tee pipe fitting, (7 axles are connected in the epimere of a column (1), and one end of left side beams (6) is connected in the epimere of another column (1) by another tee pipe fitting (7) axle in the one end on right side crossbeam (5); The other end on right side crossbeam (5) and the other end co-axially align of left side beams (6);
Described horizontal pivoted housing (8) comprises horizontal pivoted housing seat board (8-1) and two horizontal pivoted housing axle beds (8-2), and the two ends of horizontal pivoted housing seat board (8-1) long side wall are respectively equipped with a horizontal pivoted housing connecting panel (8-1-3); Described two horizontal pivoted housing axle beds (8-2) are coaxial, the plane at horizontal pivoted housing seat board (8-1) place by the rotating shaft of two horizontal pivoted housing axle beds (8-2), and two horizontal pivoted housing connecting panels (8-1-3) lateral wall of horizontal pivoted housing axle bed (8-2) is connected with one respectively; Horizontal pivoted housing seat board (8-1), two horizontal pivoted housing axle beds (8-2) and two horizontal pivoted housing connecting panels (8-1-3) are one-body molded; The end face of horizontal pivoted housing seat board (8-1) is also provided with the rectangular through hole of multiple horizontal pivoted housings (8-1-1) and lightening hole (8-1-2);
Multiple horizontal pivoted housing (8) is coaxial to be connected and a common formation horizontal gauge plate mounting bracket assembly in turn, all spaced apart by one or more pad (10) between the horizontal pivoted housing axle bed (8-2) of each horizontal pivoted housing (8) and the horizontal pivoted housing axle bed (8-2) of another contiguous horizontal pivoted housing (8); The two ends of a horizontal gauge plate mount pad are respectively by positioning lathe dog (3) location and axle is connected on right side crossbeam (5) or left side beams (6);
Described vertical pivoted housing (9) comprises vertical pivoted housing seat board (9-1) and two vertical pivoted housing axle beds (9-2), and the two ends of vertical pivoted housing seat board (9-1) long side wall are respectively equipped with a vertical pivoted housing connecting panel (9-1-3); Described two vertical pivoted housing axle beds (9-2) are coaxial, the plane at vertical pivoted housing seat board (9-1) place by the rotating shaft of two vertical pivoted housing axle beds (9-2), and two vertical pivoted housing connecting panels (9-1-3) lateral wall of vertical pivoted housing axle bed (9-2) is connected with one respectively; Vertical pivoted housing seat board (9-1), two vertical pivoted housing axle beds (9-2) and two vertical pivoted housing connecting panels (9-1-3) are one-body molded; The end face of vertical pivoted housing seat board (9-1) is also provided with the rectangular through hole of multiple vertical pivoted housings (9-1-1); Multiple vertical pivoted housing (9) is coaxial to be connected and a common formation vertical gauge plate mounting bracket assembly in turn, all spaced apart by one or more pad (10) between the vertical pivoted housing axle bed (9-2) of each vertical pivoted housing (9) and the vertical pivoted housing axle bed (9-2) of another contiguous vertical pivoted housing (9); The two ends of a vertical gauge plate mount pad are located respectively by a positioning lathe dog (3) and axle is connected on a column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441064.5A CN104386089A (en) | 2014-09-01 | 2014-09-01 | Contour clearance switching device applicable to various types of vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441064.5A CN104386089A (en) | 2014-09-01 | 2014-09-01 | Contour clearance switching device applicable to various types of vehicles |
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| Publication Number | Publication Date |
|---|---|
| CN104386089A true CN104386089A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410441064.5A Pending CN104386089A (en) | 2014-09-01 | 2014-09-01 | Contour clearance switching device applicable to various types of vehicles |
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| CN (1) | CN104386089A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740979A (en) * | 2016-12-19 | 2017-05-31 | 中车长春轨道客车股份有限公司 | For the anti-downwarp self-locking device of clearance limit frame crossbeam closed configuration |
| CN106767327A (en) * | 2016-12-08 | 2017-05-31 | 中车株洲电力机车有限公司 | A kind of rail vehicle gauge detection means and detection method |
| JP2019002777A (en) * | 2017-06-14 | 2019-01-10 | 第一建設工業株式会社 | Track type obstacle detection device |
| CN109835367A (en) * | 2019-02-28 | 2019-06-04 | 马鞍山蓝信环保科技有限公司 | A kind of limit detection device applied to rail traffic |
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| WO2011035983A1 (en) * | 2009-09-28 | 2011-03-31 | Siemens Aktiengesellschaft | Method and assembly for monitoring current collectors, clearance gauges, and horizontal and vertical contact wire positions on vehicle combinations |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767327A (en) * | 2016-12-08 | 2017-05-31 | 中车株洲电力机车有限公司 | A kind of rail vehicle gauge detection means and detection method |
| CN106767327B (en) * | 2016-12-08 | 2019-08-20 | 中车株洲电力机车有限公司 | A kind of rail vehicle limit detection device and detection method |
| CN106740979A (en) * | 2016-12-19 | 2017-05-31 | 中车长春轨道客车股份有限公司 | For the anti-downwarp self-locking device of clearance limit frame crossbeam closed configuration |
| JP2019002777A (en) * | 2017-06-14 | 2019-01-10 | 第一建設工業株式会社 | Track type obstacle detection device |
| CN109835367A (en) * | 2019-02-28 | 2019-06-04 | 马鞍山蓝信环保科技有限公司 | A kind of limit detection device applied to rail traffic |
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Application publication date: 20150304 |