CN116084222A - Detecting device for railway rail expansion regulator - Google Patents
Detecting device for railway rail expansion regulator Download PDFInfo
- Publication number
- CN116084222A CN116084222A CN202310355689.9A CN202310355689A CN116084222A CN 116084222 A CN116084222 A CN 116084222A CN 202310355689 A CN202310355689 A CN 202310355689A CN 116084222 A CN116084222 A CN 116084222A
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- rail
- base
- mounting
- displacement sensor
- railway
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 24
- 238000005259 measurement Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/12—Applications of measuring apparatus or devices for track-building purposes for measuring movement of the track or of the components thereof under rolling loads, e.g. depression of sleepers, increase of gauge
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to the technical field of detection of a railway steel rail telescopic adjuster, and particularly discloses a detection device of the railway steel rail telescopic adjuster. The arrangement ensures that a worker can directly read the measured value of the displacement sensor, reduces the measuring difficulty and the working strength, reduces the measuring error, improves the low testing efficiency and improves the passing efficiency of vehicles.
Description
Technical Field
The invention relates to the technical field of detection of railway steel rail expansion regulators, in particular to a detection device of a railway steel rail expansion regulator.
Background
A rail Expansion joint (Expansion Joints) is one of the important track components, whose functions are: the train wheel pair is allowed to pass safely and smoothly at a high speed, and is used for coordinating the telescopic displacement of the beam end of the long bridge and the telescopic displacement of the long steel rail caused by the temperature difference of the beam body, so that the temperature force is automatically released in the operation process of a seamless line on the bridge, and the longitudinal force of the seamless line borne by the rail and the pier body is reduced. The rail expansion adjuster of the railway rail comprises a stock rail and a point rail, and when the rail web of the point rail is far away from the rail web of the stock rail, the driving safety is influenced.
The working condition of the railway steel rail expansion regulator is complex and severe under the influence of the vibration and the environment of the passing vehicle, and at the present stage, the inspection and maintenance of the railway steel rail expansion regulator are completely dependent on manual work, the position is difficult to measure, the requirement on the measurement experience of staff is high, and the problems of large measurement error and large working strength exist.
Therefore, research on a detecting device of a railway rail expansion regulator is needed to reduce the measuring difficulty and the measuring error and reduce the working strength.
Disclosure of Invention
The invention aims to provide a detection device for a railway steel rail expansion adjuster, which is used for reducing the measurement difficulty and the measurement error and reducing the working strength.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention provides a railway steel rail expansion regulator detection device, which comprises:
the base is used for being fixed with the stock rail;
the first mounting piece is provided with a first mounting position at one end and a second mounting position at the other end, the first mounting piece is provided with a avoiding part, the avoiding part is used for avoiding the rail bottom of the point rail, and the first mounting position is opposite to the rail waist of the point rail;
and the displacement sensor is arranged at the first installation position and is used for detecting the distance between the rail web of the switch rail and the first installation position.
Optionally, the base includes first base and second base, first base is equipped with first mounting hole, the second base is equipped with the second mounting hole, first base with the second base is located respectively the both sides of stock rail, set screw passes first mounting hole with the second mounting hole and with fixation nut spiro union.
Optionally, the first base is provided with a first clamping groove, the second base is provided with a second clamping groove, the first clamping groove and the second clamping groove are oppositely arranged, and the first clamping groove and the second clamping groove are respectively clamped with rail bottoms on two sides of the stock rail.
Optionally, the shapes of the first clamping groove and the second clamping groove are matched with the rail bottom of the stock rail.
Optionally, the first mounting member and the base are integrally formed.
Optionally, the first mounting piece includes first mounting panel and two dodges the pole, dodge the pole and be the U-shaped, dodge the both ends of pole and be stiff end and link respectively, two dodge the pole the stiff end along X direction interval set up in the base, two are located to the first mounting panel between the link, the first installation position is located the mounting panel.
Optionally, the first mounting plate is provided with a measurement mounting hole, the periphery of the displacement sensor is provided with threads, the displacement sensor penetrates through the measurement mounting hole, and the two measurement nuts are in threaded connection with the periphery of the displacement sensor and are distributed at two ends of the measurement mounting hole.
Optionally, the detecting device of the railway steel rail expansion adjuster comprises a data acquisition module, wherein the data acquisition module is in communication connection with the displacement sensor and is used for collecting the measured value of the displacement sensor; the base is provided with a second installation position, and the data acquisition module is installed in the second installation position.
Optionally, the base is equipped with two second mounting panels that follow X direction interval and set up, data acquisition module is fixed in on the fixed plate, the fixed plate with two second mounting panel spiro union.
Optionally, the installation face of second mounting panel with the up end of base is flush, the fixed plate with the installation face laminating of second mounting panel, data acquisition module is located two between the second mounting panel.
The beneficial effects of the invention are as follows:
the invention provides a railway rail expansion adjuster detection device, which is characterized in that a base is fixed on a stock rail, in addition, a first installation part is arranged on the base, the first installation part bypasses the rail bottom of a point rail through a avoiding part, so that a first installation position of the first installation part is opposite to the rail waist of the point rail, a displacement sensor is arranged at the first installation position and used for measuring the distance between the rail waist of the point rail and the first installation position of the displacement sensor, and whether a gap between the rail waist of the point rail and the rail waist of the stock rail is in a safe value can be determined. The arrangement ensures that a worker can directly read the measured value of the displacement sensor, reduces the measuring difficulty and the working strength, reduces the measuring error, improves the low testing efficiency and improves the passing efficiency of vehicles.
Drawings
FIG. 1 is a schematic diagram of a detecting device for a telescopic adjuster of a railway rail in an embodiment of the invention;
FIG. 2 is a schematic structural view of a first base according to an embodiment of the present invention, and a first view angle;
FIG. 3 is a schematic structural view of a first base according to an embodiment of the present invention, and a second view angle;
FIG. 4 is a schematic view of a second base according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the installation structure of the detecting device for the telescopic adjuster of the railway rail, the base rail and the switch rail according to the embodiment of the invention.
In the figure:
100. a stock rail;
200. a point rail;
1. a base; 11. a first base; 111. a first mounting hole; 112. a first clamping groove; 113. a second mounting plate; 1131. a data mounting hole; 114. a base end surface; 12. a second base; 121. a second mounting hole; 122. a second clamping groove; 13. a fixing screw; 14. a fixing nut;
2. a first mounting member; 21. a first mounting plate; 211. measuring the mounting hole; 22. a avoidance rod;
3. a displacement sensor; 31. measuring a nut;
4. a data acquisition module; 41. and a fixing plate.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
As shown in fig. 1 to 5, the present embodiment provides a railway rail extension and retraction adjuster detection apparatus including a base 1, a first mount 2, and a displacement sensor 3, wherein the base 1 is for fixing with a stock rail 100; one end of the first mounting piece 2 is arranged on the base 1, the other end of the first mounting piece 2 is provided with a first mounting position, the first mounting piece 2 is provided with an avoidance part, the avoidance part is used for avoiding the rail bottom of the point rail 200, and the first mounting position is opposite to the rail web of the point rail 200; the displacement sensor 3 is provided at the first installation site, and the displacement sensor 3 is used to detect the distance between the web of the point rail 200 and the first installation site. The arrangement ensures that a worker can directly read the measured value of the displacement sensor 3, reduces the measuring difficulty and the working strength, reduces the measuring error, improves the low testing efficiency and improves the passing efficiency of vehicles.
Since the displacement sensor 3 is fixed to the stock rail 100, when the web of the point rail 200 is far from the web of the stock rail 100, the detection value of the displacement sensor 3 decreases due to the decrease between the web of the point rail 200 and the first mounting position, and when the detection value is smaller than the preset value, the gap between the web of the point rail 200 and the web of the stock rail 100 is too large, which affects the running safety.
In this embodiment, the displacement sensor 3 includes a display screen, and may display a measured value, where the displacement sensor 3 may be powered by a battery or a power grid, a switch is disposed between the power source and the displacement sensor 3, and when a tester detects the measured value, the tester presses the switch to observe the measured value on the display screen. The measurement principle of the displacement sensor 3 is well known to those skilled in the art, and thus will not be described in detail herein.
The base 1 comprises a first base 11 and a second base 12, the first base 11 is provided with a first mounting hole 111, the second base 12 is provided with a second mounting hole 121, the first base 11 and the second base 12 are respectively positioned on two sides of the stock rail 100, and a fixing screw 13 passes through the first mounting hole 111 and the second mounting hole 121 and is in threaded connection with a fixing nut 14. By means of the arrangement, the connection relation of the first base 11 and the second base 12 clamping the stock rail 100 can be completed, and separation of the base 1 and the stock rail 100 caused by the influence of the vibration of passing vehicles is avoided. In addition, the arrangement does not need to be modified from the stock rail 100, does not affect the strength of the stock rail 100, and is low in installation cost. Wherein, the first mounting hole 111 and the second mounting hole 121 are provided in plurality. In the present embodiment, the first mounting hole 111 and the second mounting hole 121 are each provided with three. The fixing nut 14 and the fixing screw 13 are arranged on the outer side of the stock rail 100, so that maintenance, overhaul and disassembly of workers are facilitated.
Of course, in other embodiments, the base 1 can be fixed to the point rail 200 and the distance between the web of the stock rail 100 and the first mounting location can be measured by the displacement sensor 3. Specifically, the bottom of the tongue 200 is perforated, and a screw is threaded through the hole of the base 1 and the hole of the base 1 of the tongue 200 and then is screwed with a nut.
In this embodiment, for the firmness of the base 1 and the stock rail 100, in this embodiment, the first base 11 is provided with a first clamping groove 112, the second base 12 is provided with a second clamping groove 122, the first clamping groove 112 and the second clamping groove 122 are oppositely arranged, and the first clamping groove 112 and the second clamping groove 122 are respectively clamped with rail bottoms at two sides of the stock rail 100. Wherein the first and second clamping grooves 112, 122 are shaped to conform to the rail bottom of the stock rail 100.
Of course, in other embodiments, the first clamping groove 112 and the second clamping groove 122 may be triangular in shape, and the openings are opposite, and this arrangement can adapt to as many types of the stock rail 100 as possible.
The first mounting member 2 is integrally formed with the base 1. This arrangement improves the robustness of the connection of the first mounting member 2 and the base 1. Specifically, the first mounting member 2 includes a first mounting plate 21 and two avoidance rods 22, the avoidance rods 22 are U-shaped, two ends of the avoidance rods 22 are respectively a fixed end and a connecting end, the fixed ends of the two avoidance rods 22 are arranged on the base 1 along the X direction at intervals, the first mounting plate 21 is arranged between the two connecting ends, and the first mounting position is arranged on the mounting plate. The U-shaped bypass bars 22 bypass the rail bottoms of the switch rails 200, and the two spaced bypass bars 22 stably support the first mounting plate 21 while minimizing the mass of the first mounting member 2. Wherein, the fixed end of the avoidance rod 22 is integrally formed on the first base 11.
To realize the installation of the displacement sensor 3, in this embodiment, the first mounting plate 21 is provided with a measurement mounting hole 211, the outer periphery of the displacement sensor 3 is provided with threads, the displacement sensor 3 is threaded through the measurement mounting hole 211, and two measurement nuts 31 are screwed on the outer periphery of the displacement sensor 3 and are respectively located at two ends of the measurement mounting hole 211. That is, the first mounting plate 21 is sandwiched between the measurement nuts 31. This arrangement allows the relative distance between the displacement sensor 3 and the first mounting plate 21 to be adjusted so that the distance between the displacement sensor 3 and the web of the point rail 200 is adjustable, thereby meeting the errors created by the manufacturing process. Illustratively, on the premise that the web of the point rail 200 is attached to the web of the stock rail 100, the distance between the sensor body of the displacement sensor 3 and the web of the point rail 200 may be 10mm after the displacement sensor 3 is installed, at which time the measuring rod of the displacement sensor 3 protrudes 10mm, the distance between the first mounting location and the web of the point rail 200 is 10mm, and when the distance between the first mounting location and the web of the point rail 200 is less than a preset value, driving safety is affected. Alternatively, the preset value may be 3mm, or 4mm, or set according to practical situations, and the setting of the preset value is well known to those skilled in the art, so that details are not repeated herein. Wherein the preset value of 4mm indicates that the measuring rod is extended by 6mm and the distance between the web of the point rail 200 and the web of the stock rail 100 is 6mm.
The detection device of the railway steel rail expansion regulator comprises a data acquisition module 4, wherein the data acquisition module 4 is in communication connection with the displacement sensor 3, and the data acquisition module 4 is used for collecting the measured value of the displacement sensor 3; the base 1 is provided with a second installation position, and the data acquisition module 4 is installed at the second installation position. This arrangement allows measurement data to be collected by the data collection module 4 and transferred to the control room for reading by the staff. It should be noted that the specific structure and transmission method of the data acquisition module 4 are well known to those skilled in the art, and thus are not described herein.
In order to firmly fix the data acquisition module 4, in this embodiment, the base 1 is optionally provided with two second mounting plates 113 disposed at intervals along the X direction, the data acquisition module 4 is fixed on the fixing plate 41, and the fixing plate 41 is screwed with the two second mounting plates 113. Specifically, the second mounting plate 113 is integrally formed on the first base 11, where the second mounting plate 113 is provided with a data mounting hole 1131, and the fixing plate 41 is provided with a fixing hole, and the data screw passes through the fixing hole and the data mounting hole 1131 and is screwed with the data nut. Wherein, the data mounting holes 1131 on each second mounting plate 113 are provided with two to realize firm connection between the fixing plate 41 and the second mounting plate 113, so that the data acquisition module 4 is firmly fixed.
Specifically, the mounting surface of the second mounting plate 113 is flush with the upper end surface of the base 1, the fixing plate 41 is attached to the mounting surface of the second mounting plate 113, and the data acquisition module 4 is located between the two second mounting plates 113. That is, the mounting surface of the second mounting plate 113 is flush with the base end surface 114 of the first base 11, and the arrangement ensures that the data acquisition module 4 is supported by the second mounting plate 113, so that the stress of the data screw is avoided, and the service life of the detecting device of the railway steel rail expansion regulator is prolonged; on the other hand, the fixing plate 41 can be positioned in the gap between the rail bottom of the stock rail 100 and the rail bottom of the point rail 200, the existing space is fully utilized, the data acquisition module 4 is also positioned below the point rail 200 and does not exceed the existing limit, and the data acquisition module 4 at the position is also protected by the rail bottom of the point rail 200, so that collision is avoided, and the service life of the data acquisition module 4 is prolonged.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. Railway rail expansion and contraction regulator detection device, its characterized in that includes:
a base (1) for fixing with the stock rail (100);
the first mounting piece (2), one end of the first mounting piece (2) is arranged on the base (1), the other end of the first mounting piece is provided with a first mounting position, the first mounting piece (2) is provided with an avoidance part, the avoidance part is used for avoiding the rail bottom of the point rail (200), and the first mounting position is opposite to the rail waist of the point rail (200);
and the displacement sensor (3) is arranged at the first installation position, and the displacement sensor (3) is used for detecting the distance between the rail web of the switch rail (200) and the first installation position.
2. The railway rail telescopic adjuster detection device according to claim 1, characterized in that the base (1) comprises a first base (11) and a second base (12), the first base (11) is provided with a first mounting hole (111), the second base (12) is provided with a second mounting hole (121), the first base (11) and the second base (12) are respectively located at two sides of the stock rail (100), and a fixing screw (13) passes through the first mounting hole (111) and the second mounting hole (121) and is in threaded connection with a fixing nut (14).
3. The detecting device for the telescopic adjuster of the railway steel rail according to claim 2, wherein the first base (11) is provided with a first clamping groove (112), the second base (12) is provided with a second clamping groove (122), the first clamping groove (112) and the second clamping groove (122) are oppositely arranged, and the first clamping groove (112) and the second clamping groove (122) are respectively clamped with rail bottoms at two sides of the stock rail (100).
4. A railway rail extension/retraction adjuster detection apparatus according to claim 3, characterized in that the first and second clamping grooves (112, 122) are shaped to fit the foot of the stock rail (100).
5. A railway rail extension/retraction adjuster detection apparatus according to claim 1, characterized in that the first mounting member (2) is integrally formed with the base (1).
6. The detection device for the telescopic adjuster of the railway steel rail according to claim 5, wherein the first mounting piece (2) comprises a first mounting plate (21) and two avoidance rods (22), the avoidance rods (22) are in a U shape, two ends of the avoidance rods (22) are respectively a fixed end and a connecting end, the fixed ends of the two avoidance rods (22) are arranged on the base (1) along the X direction at intervals, the first mounting plate (21) is arranged between the two connecting ends, and the first mounting position is arranged on the mounting plate.
7. The detecting device for the telescopic adjuster of the railway steel rail according to claim 6, wherein the first mounting plate (21) is provided with a measuring mounting hole (211), threads are arranged on the periphery of the displacement sensor (3), the displacement sensor (3) is arranged in the measuring mounting hole (211) in a penetrating mode, and two measuring nuts (31) are connected to the periphery of the displacement sensor (3) in a threaded mode and are distributed at two ends of the measuring mounting hole (211).
8. A railway rail extension/retraction adjuster detection apparatus according to any one of claims 1 to 7, characterized in that the railway rail extension/retraction adjuster detection apparatus comprises a data acquisition module (4), the data acquisition module (4) being in communication with the displacement sensor (3), the data acquisition module (4) being adapted to collect the measurement values of the displacement sensor (3); the base (1) is provided with a second installation position, and the data acquisition module (4) is installed at the second installation position.
9. The railway rail expansion and contraction regulator detection apparatus according to claim 8, wherein the base (1) is provided with two second mounting plates (113) arranged at intervals along the X direction, the data acquisition module (4) is fixed on a fixed plate (41), and the fixed plate (41) is in threaded connection with the two second mounting plates (113).
10. The railway rail expansion and contraction regulator detection apparatus according to claim 9, wherein the mounting surface of the second mounting plate (113) is flush with the upper end surface of the base (1), the fixing plate (41) is attached to the mounting surface of the second mounting plate (113), and the data acquisition module (4) is located between the two second mounting plates (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310355689.9A CN116084222A (en) | 2023-04-06 | 2023-04-06 | Detecting device for railway rail expansion regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310355689.9A CN116084222A (en) | 2023-04-06 | 2023-04-06 | Detecting device for railway rail expansion regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116084222A true CN116084222A (en) | 2023-05-09 |
Family
ID=86201076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310355689.9A Pending CN116084222A (en) | 2023-04-06 | 2023-04-06 | Detecting device for railway rail expansion regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116084222A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117232435A (en) * | 2023-11-14 | 2023-12-15 | 北京科技大学 | Device and method for measuring abrasion value and reduction value of switch tongue |
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| CN211075907U (en) * | 2019-11-29 | 2020-07-24 | 北京龙辰博望科技有限公司 | Equipment for monitoring railway steel rail displacement in real time |
| CN112498410A (en) * | 2020-11-27 | 2021-03-16 | 上海铁路电务实业有限公司 | Measuring device for close contact quantity of railway turnout |
| CN215553219U (en) * | 2021-06-25 | 2022-01-18 | 洛阳拓博尔铁路设备有限公司 | Switch close-fitting detection device |
| CN217532869U (en) * | 2022-07-21 | 2022-10-04 | 合肥市轨道交通集团有限公司 | Steel rail displacement detection device and track with same |
| CN218750796U (en) * | 2022-03-11 | 2023-03-28 | 成都智慧西南信息技术有限公司 | Switch close-fitting detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060261218A1 (en) * | 2005-05-19 | 2006-11-23 | Mace Stephen E | Railroad car lateral instability and tracking error detector |
| CN203766822U (en) * | 2014-03-12 | 2014-08-13 | 北京首铁金仑科技发展有限公司 | Closed disc type fitting checker |
| JP2019082032A (en) * | 2017-10-30 | 2019-05-30 | 吉原鉄道工業株式会社 | Sensor mounting holder and measuring instrument |
| CN211075907U (en) * | 2019-11-29 | 2020-07-24 | 北京龙辰博望科技有限公司 | Equipment for monitoring railway steel rail displacement in real time |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117232435A (en) * | 2023-11-14 | 2023-12-15 | 北京科技大学 | Device and method for measuring abrasion value and reduction value of switch tongue |
| CN117232435B (en) * | 2023-11-14 | 2024-01-30 | 北京科技大学 | Device and method for measuring abrasion value and reduction value of switch tongue |
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