CN112146540A - Detection device for railway derailer and use method of detection device - Google Patents
Detection device for railway derailer and use method of detection device Download PDFInfo
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- CN112146540A CN112146540A CN201910568980.8A CN201910568980A CN112146540A CN 112146540 A CN112146540 A CN 112146540A CN 201910568980 A CN201910568980 A CN 201910568980A CN 112146540 A CN112146540 A CN 112146540A
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005259 measurement Methods 0.000 claims description 32
- 239000000126 substance Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000003137 locomotive effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Abstract
The invention discloses a detection device of a railway derailer and a using method of the detection device, comprising a frame body; a first scale movable in a horizontal direction of the frame body; a second scale movable in a vertical direction of the frame body; the frame body is provided with a first supporting part matched with the track and a second supporting part matched with the derailing slide block; wherein the first scale measures a horizontal distance between the track and the derailing slider; the second scale measures a vertical distance between the track and the derailing slider. The invention provides a detection device of a railway derailer and a using method of the detection device, which can find the irregularity of a derailer sliding block and the actual working distance between the derailer sliding block and a track by quickly measuring index data between the derailer and the track, improve the working efficiency of operators, more accurately measure the corresponding index data, and play a remarkable auxiliary role in daily quantitative assistance during equipment overhaul, maintenance and installation.
Description
Technical Field
The invention belongs to the technical field of rail equipment, and particularly relates to a detection device of a railway derailer and a use method of the detection device.
Background
The derailer is a personal safety protection device on a railway station line, is arranged on the station line and is used for protecting train inspection operators in a station, and once a locomotive and a vehicle enter an operation area, the derailer can be used for ensuring the personal safety of the operators in the area. The derailer is under the normality of taking off down, there are two key space relative dimensions that relate to slider and rail, guarantee derailer equipment not to invade the line boundary limit under non-use condition, do not influence the important index of driving safety, these two indexes of accurate measurement, guarantee equipment not to invade the boundary limit, guarantee the important basis of driving safety, derailer equipment is the essential personal safety protector of each row of operation field of examining of whole road, the relative distance of derailer slider and rail all uses conventional measuring tool to detect under the state of taking off down, need two people cooperation, visual measurement numerical value, because of the restriction of equipment form, structure, mounted position, can't accomplish accurate, quick measurement.
According to standard rail railway building clearance (GB164.2-83), maintenance and management rules for special overhaul equipment for railway freight cars (Total iron transport [2015] 267), after the derailer is taken off, the positioning is restored, and two relative distances related to clearance between the derailer slide block and the steel rail: at the position 35mm below the plane of the steel rail, the slide block of the derailer and the inner side surface of the steel rail are not less than 68mm and not more than 90 mm; and (II) the distance between the highest point of the derailer slide block and the top surface of the steel rail is not more than 25 mm. The two relative spatial dimensions are key indexes for ensuring that the derailer equipment does not invade a railway clearance in a downward derailing state and ensuring the running safety of a train, and due to the irregular structure of the derailer sliding block and the restriction of the spatial position of a steel rail, the conventional measuring tool cannot accurately and quickly measure the derailer sliding block, and a device capable of accurately measuring the two critical spatial dimensions simultaneously is needed and is used for quantitative and accurate measurement during daily overhaul, maintenance and installation of the equipment.
Chinese patent application No. CN201820666504.0 discloses an automatic brake derailing prevention device for a rail car, wherein an inclination sensor, a controller, a battery, and an electric actuator are mounted on the rail car or/and a mounting bracket connected to the rail car, the inclination sensor detects inclination angles of the rail car in the left and right directions or/and the front and back directions in real time, and transmits the detected inclination angle signals to the controller, the controller processes and judges the input inclination angle signals in real time, when the detected inclination angle value reaches or exceeds a set inclination angle value limit value, the controller sends a corresponding control signal to the electric actuator, the tail end of the electric actuator linearly drives a brake block to be attached to the rail, so as to brake the rail car, because one side of the brake block facing the rail is provided with a structure matched with the outer side of the rail, during braking, the brake block structure can make the rail car return to a normal inclination angle position, thereby preventing the railcar from derailing.
The prior art discloses a derailer, but in installation, maintenance and use, whether the derailer is in a qualified working state is unknown, and the spatial position relation between the derailer and a track cannot be accurately reflected by a conventional measuring means, so that time and labor are wasted, and the efficiency is extremely low.
Therefore, it is necessary to improve the defects of the prior art, and provide a detection device for a railway derailer and a using method of the detection device, through quickly measuring index data between the derailer and a track, the irregularity of a sliding block of the derailer and the actual working distance between the sliding block and the track can be found, through a digital display and a handheld terminal, the working efficiency of operators is improved, meanwhile, corresponding index data can be more accurately measured, and the detection device plays a significant auxiliary role in daily equipment maintenance and quantitative installation.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem underlying the present invention is to overcome the drawbacks of the prior art and to provide a detecting device for railway derailers that overcomes or at least partially solves the above mentioned problems.
Another object of the present invention is to provide a method for using the detection device.
In order to solve the technical problems, the invention adopts the technical scheme that: a detection device for a railway derailer comprises
A frame body;
a first scale movable in a horizontal direction of the frame body;
a second scale movable in a vertical direction of the frame body;
the frame body is provided with a first supporting part matched with the track and a second supporting part matched with the derailing slide block;
wherein the content of the first and second substances,
the first scale measures the horizontal distance between the track and the derailing slide block;
the second scale measures a vertical distance between the track and the derailing slider.
In addition, a first positioning part and a second positioning part are arranged on the frame body;
the first positioning part is matched with the first scale and moves between the track and the derailing slide block, so that the first scale can measure the horizontal distance between the track and the derailing slide block;
the second positioning part is matched with the first supporting part to realize the positioning between the frame body and the track;
in one embodiment, the second scale is disposed on a side close to the second support portion;
the second scale can move in the vertical direction of the frame body, so that the vertical distance between the track and the derailing slide block can be measured;
in one embodiment, the second scale is capable of moving in a horizontal direction of the frame body, thereby achieving a relative position of the second scale and the derailing slide for measurement.
In one embodiment, the first scale and the second scale are digital scales.
Meanwhile, the second supporting part can adjust the distance between the frame body and the derailing slide block in the vertical direction of the frame body;
in one embodiment, the second supporting portion is adjusted in a distance in a vertical direction of the frame body by an adjusting bolt provided on the frame body.
And a level gauge is also arranged on the frame body.
In addition, also comprises
The signal transmitting device is arranged on the frame body;
the handheld terminal is connected with the signal transmitting device;
in one embodiment, after the first scale and the second scale measure the horizontal distance and the vertical distance between the track and the derailing slide, the signal transmitting device transmits data to the handheld terminal.
Further, if the horizontal distance and the vertical distance between the track and the derailing slide block, which are measured by the first scale and the second scale, are within a preset qualified measurement value range, the handheld terminal prompts measurement qualified information;
in one embodiment, the handheld terminal is capable of displaying measurements of the first scale and the second scale, respectively;
in one embodiment, the acceptable measurements of the first scale and the second scale may be set prior to measurement;
in one embodiment, the acceptable measurement of the first scale is between 68mm and 90 mm;
the acceptable measurement of the second scale is between 25mm and 35 mm.
A detection method of a railway derailer comprises the detection device of the railway derailer, and further comprises the steps of placing the frame body between the track and the derailing slide block, wherein the first supporting part is in contact with the track, and the second supporting part is in contact with the derailing slide block; and adjusting the first scale and the second scale to measure the horizontal distance and the vertical distance between the track and the derailing slide block.
And adjusting the second supporting part, and after the level meter displays the level, starting to measure the horizontal distance and the vertical distance.
In addition, after the first scale and the second scale measure the horizontal distance and the vertical distance between the track and the derailing slide block, the signal transmitting device transmits data to the handheld terminal.
Meanwhile, if the horizontal distance and the vertical distance between the track and the derailing slide block, which are measured by the first scale and the second scale, are within a preset qualified measurement value range, the handheld terminal prompts measurement qualified information;
in one embodiment, the handheld terminal is capable of displaying measurements of the first scale and the second scale, respectively;
in one embodiment, the acceptable measurement of the first scale is between 68mm and 90 mm;
the acceptable measurement of the second scale is between 25mm and 35 mm.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: the invention provides a detection device of a railway derailer and a using method of the detection device, which can find the irregularity of a derailer sliding block and the actual working distance between the derailer sliding block and a track by quickly measuring index data between the derailer and the track, improve the working efficiency of operators by digital display and handheld terminals, and simultaneously more accurately measure corresponding index data, thereby playing a remarkable auxiliary role in daily quantitative assistance during equipment overhaul, maintenance and installation.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a schematic diagram of the configuration of the railroad derailer detection apparatus of the present invention.
In the figure: 1. a frame body; 2. a first scale; 3. a second scale; 4. a track; 5. a derailing slide block; 6. a first support section; 7. a second support portion; 8. a first positioning portion; 9. a second positioning portion; 10. a level gauge; 11. a signal transmitting device; 12. and adjusting the bolt.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic structural diagram of a railway derailer detection device according to the present invention, and as can be seen from fig. 1, the detection device is erected between a derailing slider 5 and a track 4, and includes a frame body 1 forming a detection device main body, a first scale 2 and a second scale 3 are arranged on the frame body 1, both the first scale 2 and the second scale 3 can slide in a horizontal direction on a slide formed by the frame body 1, the second scale 3 can also slide in a vertical direction of the frame body 1, and the first scale 2 and the second scale 3 respectively measure a horizontal distance and a vertical distance between the derailing slider 5 and the track 4.
Whether the train is outdoors or in an overhaul workshop, a derailer needs to be erected when the train is parked on the track 4 for overhaul, wherein the derailer is a protection device on the track 4 and is used for protecting personnel or important rolling stocks on the track 4, and once a rolling stock or the rolling stock enters the track 4, the derailment is carried out to ensure the safety of a protected object. Derailers are required to be arranged at two ends of a train when a train arrives at a field for train inspection, if the locomotive slides, the derailers can force the locomotive to be separated from the track 4 so as to protect the life of people, derailers are also arranged at two ends of other important rolling stocks so as to protect the safety of the important rolling stocks, and the installation size of the derailers and the daily maintenance work are particularly important.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a detection device of a railway derailer and a using method of the detection device, which can find the irregularity of a derailer sliding block and the actual working distance between the derailer sliding block and a track 4 by quickly measuring index data between the derailer and the track 4, improve the working efficiency of operators by digital display and hand-held terminals, simultaneously more accurately measure corresponding index data, and play a significant auxiliary role in daily equipment maintenance and quantification during installation.
Example one
As shown in fig. 1, the detecting device for a railroad derailer according to this embodiment includes a frame body 1; a first scale 2 movable in a horizontal direction of the frame body 1; a second scale 3 movable in a vertical direction of the frame body 1; the frame body 1 is provided with a first supporting part 6 matched with the track 4 and a second supporting part 7 matched with the derailing slide block 5; wherein the first scale 2 measures the horizontal distance of the track 4 from the derailing slide 5; the second scale 3 measures the perpendicular distance of the track 4 from the derailing slide 5.
Example two
As shown in fig. 1, in the present embodiment, based on the first embodiment, the frame body 1 of the detecting device for a railroad derailer is provided with a first positioning portion 8 and a second positioning portion 9; the first positioning part 8 is matched with the first scale 2 and moves between the track 4 and the derailing slide 5, so that the first scale 2 can measure the horizontal distance between the track 4 and the derailing slide 5; the second positioning part 9 is matched with the first supporting part 6 to realize the positioning between the frame body 1 and the track 4; the second scale 3 is arranged on one side close to the second support part 7; the second scale 3 can move in the vertical direction of the frame body 1, so that the vertical distance between the track 4 and the derailing slide block 5 can be measured; the second scale 3 can move in the horizontal direction of the frame body 1, and then the relative position of the second scale 3 and the derailing slide block 5 is measured.
EXAMPLE III
As shown in fig. 1, in this embodiment, based on the first embodiment or the second embodiment, in the detection device for a railroad derailer according to this embodiment, the first scale 2 and the second scale 3 are digital scales.
Example four
As shown in fig. 1, in the present embodiment, based on the embodiment described in any one of the first to third embodiments, in the detection apparatus for a railroad derailer of the present embodiment, the second support portion 7 can adjust the distance between the frame body 1 and the derailing slide 5 in the vertical direction of the frame body 1, and the second support portion 7 realizes the distance adjustment in the vertical direction of the frame body 1 through the adjusting bolt 12 disposed on the frame body 1.
EXAMPLE five
As shown in fig. 1, based on any one of the first to fourth embodiments, the present embodiment further provides a level 10 on the frame body 1 of the detecting device for a railroad derailer.
EXAMPLE six
As shown in fig. 1, based on any one of the first to fifth embodiments, the detecting device for a railroad derailer of the present embodiment further includes a signal emitting device 11 disposed on the frame body 1; the handheld terminal is connected with the signal transmitting device 11; state first scale 2 with second scale 3 measures track 4 with after derailing slider 5's horizontal distance and vertical distance, signal emission device 11 with data transmission to handheld terminal, first scale 2 with second scale 3 is measured track 4 with derailing slider 5's horizontal distance and vertical distance are in the qualified measuring value scope of predetermineeing, then handheld terminal suggestion measures qualified information, in addition, handheld terminal can show respectively first scale 2 with the measured value of second scale 3.
In installation or detection, because the high problem of place light and equipment, operating personnel comparatively labourious or need often squat when reading data, very big influence work efficiency, and this embodiment detection device, operating personnel place detection device between derail slider 5 and track 4, can be more audio-visual observe and record measured data through handheld terminal, have improved work efficiency.
EXAMPLE seven
As shown in fig. 1, in the present embodiment, based on any one of the first to sixth embodiments, the acceptable measurement values of the first scale 2 and the second scale 3 of the detecting device for a railroad derailer in the present embodiment can be set before measurement, the acceptable measurement value of the first scale 2 is between 68mm and 90mm, and the acceptable measurement value of the second scale 3 is between 25mm and 35 mm.
Example eight
Based on the embodiments described in the first to seventh embodiments, the method for detecting a railroad derailer in this embodiment includes placing the frame 1 between the rail 4 and the derailing slide 5, and contacting the first supporting portion 6 with the rail 4 and contacting the second supporting portion 7 with the derailing slide 5; and adjusting the first scale 2 and the second scale 3 to measure the horizontal distance and the vertical distance between the track 4 and the derailing slide block 5.
Example nine
Based on the eighth embodiment, the detection method of the railway derailer in the present embodiment includes adjusting the second supporting portion 7, starting to measure the horizontal distance and the vertical distance after the level gauge 10 displays the horizontal, and sending data to the handheld terminal by the signal sending device 11 after the first scale 2 and the second scale 3 measure the horizontal distance and the vertical distance between the track 4 and the derailing slider 5, and prompting the handheld terminal to measure the qualified information if the horizontal distance and the vertical distance between the track 4 and the derailing slider 5 measured by the first scale 2 and the second scale 3 are within the preset qualified measurement value range.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A detection device of a railway derailer is characterized in that: comprises that
A frame body (1);
a first scale (2) which can move in the horizontal direction of the frame body (1);
a second scale (3) which can move in the vertical direction of the frame body (1);
a first supporting part (6) matched with the track (4) and a second supporting part (7) matched with the derailing slide block (5) are arranged on the frame body (1);
wherein the content of the first and second substances,
the first scale (2) measures the horizontal distance between the track (4) and the derailing slide (5);
the second scale (3) measures the vertical distance between the track (4) and the derailing slide (5).
2. A railroad derailer detection device according to claim 1, wherein:
the frame body (1) is provided with a first positioning part (8) and a second positioning part (9);
the first positioning part (8) is matched with the first scale (2) and moves between the track (4) and the derailing slide block (5), so that the first scale (2) can measure the horizontal distance between the track (4) and the derailing slide block (5);
the second positioning part (9) is matched with the first supporting part (6) to realize the positioning between the frame body (1) and the track (4);
preferably, the second scale (3) is arranged on a side close to the second support part (7);
the second scale (3) can move in the vertical direction of the frame body (1), so that the vertical distance between the track (4) and the derailing slide block (5) can be measured;
more preferably, the second scale (3) can move in the horizontal direction of the frame body (1), so that the relative position of the second scale (3) and the derailing slide block (5) is measured;
it is also preferred that the first scale (2) and the second scale (3) are digital display scales.
3. A railroad derailer detection device according to claim 1 or 2, wherein:
the second supporting part (7) can adjust the distance between the frame body (1) and the derailing slide block (5) in the vertical direction of the frame body (1);
preferably, the second support part (7) realizes distance adjustment in the vertical direction of the frame body (1) through an adjusting bolt (12) arranged on the frame body (1).
4. A railroad derailer detection device according to claim 1, wherein: the rack body (1) is also provided with a level gauge (10).
5. A railroad derailer detection device according to any of claims 1-4, wherein: also comprises
The signal transmitting device (11) is arranged on the frame body (1);
the handheld terminal is connected with the signal transmitting device (11);
preferably, after the first scale (2) and the second scale (3) measure the horizontal distance and the vertical distance between the track (4) and the derailing slide (5), the signal transmitting device (11) transmits data to the handheld terminal.
6. A railroad derailer detection device according to claim 5, wherein:
the horizontal distance and the vertical distance between the track (4) and the derailing slide block (5) measured by the first scale (2) and the second scale (3) are within a preset qualified measurement value range, and the handheld terminal prompts measurement qualified information;
preferably, the hand-held terminal is capable of displaying the measured values of the first scale (2) and the second scale (3), respectively;
more preferably, the acceptable measurement values of the first scale (2) and the second scale (3) can be set before measurement;
also preferably, said acceptable measurement value of said first scale (2) is between 68mm and 90 mm;
the acceptable measurement value of the second scale (3) is between 25mm and 35 mm.
7. A method of detecting a railroad derailer comprising the apparatus of any one of claims 1-6, wherein: the frame body (1) is placed between the track (4) and the derailing slide block (5), the first supporting part (6) is in contact with the track (4), and the second supporting part (7) is in contact with the derailing slide block (5); and adjusting the first scale (2) and the second scale (3) to measure the horizontal distance and the vertical distance between the track (4) and the derailing slide block (5).
8. A method of detecting a railroad derailer according to claim 7, wherein: and adjusting the second supporting part (7), and after the level gauge (10) displays the level, starting to measure the horizontal distance and the vertical distance.
9. A method of detecting a railroad derailer as in claim 8, wherein: after the first scale (2) and the second scale (3) measure the horizontal distance and the vertical distance between the track (4) and the derailing slide block (5), the signal transmitting device (11) transmits data to the handheld terminal.
10. A method of detecting a railroad derailer as in claim 9, wherein:
the horizontal distance and the vertical distance between the track (4) and the derailing slide block (5) measured by the first scale (2) and the second scale (3) are within a preset qualified measurement value range, and the handheld terminal prompts measurement qualified information;
preferably, the hand-held terminal is capable of displaying the measured values of the first scale (2) and the second scale (3), respectively;
more preferably, said acceptable measurement value of said first scale (2) is between 68mm and 90 mm;
the acceptable measurement value of the second scale (3) is between 25mm and 35 mm.
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| CN201910568980.8A CN112146540B (en) | 2019-06-27 | 2019-06-27 | Detection device of railway derailer and use method of detection device |
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| CN201910568980.8A CN112146540B (en) | 2019-06-27 | 2019-06-27 | Detection device of railway derailer and use method of detection device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203550847U (en) * | 2013-10-16 | 2014-04-16 | 南车二七车辆有限公司 | A railway freight car upper center plate and upper side bearing spatial position general detection apparatus |
| CN206002041U (en) * | 2016-08-23 | 2017-03-08 | 石家庄京铁腾飞工量具有限公司 | One kind has tiny fragments of stone, coal, etc. bridge line beam eccentricity detecting chi |
| CN206618357U (en) * | 2017-01-23 | 2017-11-07 | 潍柴动力股份有限公司 | A kind of combined measuring tool |
| CN209978772U (en) * | 2019-06-27 | 2020-01-21 | 中国铁路工会丰台车辆段委员会 | Detection apparatus for railway derailer |
-
2019
- 2019-06-27 CN CN201910568980.8A patent/CN112146540B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203550847U (en) * | 2013-10-16 | 2014-04-16 | 南车二七车辆有限公司 | A railway freight car upper center plate and upper side bearing spatial position general detection apparatus |
| CN206002041U (en) * | 2016-08-23 | 2017-03-08 | 石家庄京铁腾飞工量具有限公司 | One kind has tiny fragments of stone, coal, etc. bridge line beam eccentricity detecting chi |
| CN206618357U (en) * | 2017-01-23 | 2017-11-07 | 潍柴动力股份有限公司 | A kind of combined measuring tool |
| CN209978772U (en) * | 2019-06-27 | 2020-01-21 | 中国铁路工会丰台车辆段委员会 | Detection apparatus for railway derailer |
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