CN113008430A - Method for detecting uniformity of traction turnout output of multi-point switch - Google Patents
Method for detecting uniformity of traction turnout output of multi-point switch Download PDFInfo
- Publication number
- CN113008430A CN113008430A CN201911317588.2A CN201911317588A CN113008430A CN 113008430 A CN113008430 A CN 113008430A CN 201911317588 A CN201911317588 A CN 201911317588A CN 113008430 A CN113008430 A CN 113008430A
- Authority
- CN
- China
- Prior art keywords
- switch
- force application
- force
- value
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Railway Tracks (AREA)
Abstract
The invention provides a method for detecting the force output uniformity of a traction turnout of a multi-switch machine, which comprises the steps of respectively obtaining force application values of a plurality of switch machines at a plurality of preset time points, and calculating to obtain an average force application value at each preset time point; determining the force application value of each point machine at the acting balance point and the force application values of the average force of a plurality of point machines at the acting balance point; finally, calculating to obtain an absolute value of the difference between the force application values of the plurality of points at the acting balance point and the force application values of the average force of the plurality of points at the acting balance point; and when the maximum value of the absolute values is smaller than a first preset value, determining that the forces of the plurality of switch machines in the traction turnout conversion process are uniform. Therefore, the output uniformity indexes of a plurality of switch machines of the multi-switch machine traction switch can be accurately detected, and the problems that the output uniformity of the multi-switch machine traction switch is judged and the accuracy and the reliability of adjustment are difficult to guarantee by adopting a manual experience mode in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of railway equipment detection, in particular to a method for detecting the output uniformity of a traction turnout of a multi-switch machine.
Background
During the operation of the railway train and the entering or leaving of the railway train, the railway train needs to be switched to operate on different tracks. The switch of the track is provided with a turnout, and the switch of the turnout can be automatically realized through a switch machine, so that the train can be switched to different tracks to run.
The existing railway turnouts are divided into single switch traction turnout and multi-switch traction turnout. The multiple switch machines of the multiple switch machine traction turnout are arranged at intervals along the extending direction of the turnout so as to apply pushing force or pulling force to the turnout from multiple different force application points. In the process, a plurality of point switches need to be guaranteed to apply force to the turnout uniformly, otherwise, the turnout can be bent and deformed, and the deformation of the turnout caused by long-time non-uniform force application can seriously affect the service life of the turnout and even the safe operation of a train.
Therefore, in order to ensure the safe operation of the train, the output uniformity indexes of a plurality of switches which draw the turnout by a plurality of switches need to be detected regularly, and when the output uniformity indexes of the plurality of switches exceed the normal range, the turnout and the roadbed are overhauled correspondingly, so that the output uniformity of the plurality of switches is restored to the normal range. However, no effective method for detecting the force uniformity of the traction turnout of the multi-point switch machine exists in the field of railway equipment detection. The force uniformity of the traction turnout of the multi-switch machine is judged and adjusted only through long-term accumulated experience, and the accuracy and the reliability of the traction turnout are difficult to guarantee.
Disclosure of Invention
The invention mainly aims to provide a method for detecting the force uniformity of a traction turnout of a multi-switch machine, which aims to solve the problem that the accuracy and reliability of judgment and adjustment of the force uniformity of the traction turnout of the multi-switch machine in the prior art by adopting a manual experience mode are difficult to ensure.
In order to achieve the purpose, the invention provides a method for detecting the force output uniformity of a traction turnout of a multi-switch machine, which comprises the following steps: respectively acquiring force application values of each point switch at a plurality of preset time points in the traction turnout conversion process of the point switches and determining a curve of the force application values changing along with the plurality of preset time points; determining the force application value of each point switch at a working balance point according to the force application value of each point switch at a plurality of preset time points; determining an average force application value of the plurality of point machines at each preset time point according to the force application values of the plurality of point machines at each preset time point and determining a curve of the average force application value changing along with the plurality of preset time points; determining force application values of the average force of the switch machines at the acting balance point according to the average force application values of the switch machines at each preset time point; respectively determining the absolute value of the difference between the force application values of the plurality of points at the acting balance point and the force application values of the average force of the plurality of points at the acting balance point; when the maximum value of the absolute value of the difference between the force application values of the switch machines at the acting balance point and the force application values of the average force of the switch machines at the acting balance point is smaller than a first preset value, determining that the output of the switch machines is uniform in the process of pulling the turnout by the switch machines; the acting balance point is a coordinate point corresponding to the gravity center of a graph formed by enclosing a curve of the force application value of the point switch along with a plurality of preset time points and a time axis.
Further, the obtaining force application values of each switch machine at a plurality of preset time points in the process of pulling the turnout by the switch machines comprises: the real-time force application value of each point switch is collected at a plurality of preset time points through a force sensor arranged on an action pull rod of each point switch.
Further, determining an average force application value of the plurality of switch machines at each preset time point comprises: and carrying out weighted average on the real-time force application values of the plurality of switch machines at each preset time point by adopting a weighted average method.
Further, a plurality of switch machines are arranged along the extending direction of the movable rail of the switch; wherein, along the direction from the rail point to the rail root of the movable rail, the weight value given to the corresponding switch machine is gradually increased.
Further, the detection method further comprises: when the maximum value of the absolute values of the differences between the force application values of the switch machines at the acting balance points and the force application values of the average force of the switch machines at the acting balance points is larger than a first preset value and smaller than a second preset value, determining that the output of the switch machines is uneven in the process of pulling switches by the switch machines; wherein the second preset value is larger than the first preset value.
Further, the detection method further comprises: and when the maximum value of the absolute values of the differences between the force application values of the switch machines at the acting balance points and the force application values of the average force of the switch machines at the acting balance points is larger than a second preset value, determining that the forces of the switch machines are seriously uneven in the process of pulling the turnout by the switch machines.
The method for detecting the force output uniformity of the traction turnout of the multi-switch machine, which applies the technical scheme of the invention, comprises the following steps: respectively acquiring force application values of each point switch at a plurality of preset time points in the traction turnout conversion process of the point switches and determining a curve of the force application values changing along with the plurality of preset time points; determining the force application value of each point switch at a working balance point according to the force application value of each point switch at a plurality of preset time points; determining an average force application value of the plurality of point machines at each preset time point according to the force application values of the plurality of point machines at each preset time point and determining a curve of the average force application value changing along with the plurality of preset time points; determining force application values of the average force of the switch machines at the acting balance point according to the average force application values of the switch machines at each preset time point; respectively determining the absolute value of the difference between the force application values of the plurality of points at the acting balance point and the force application values of the average force of the plurality of points at the acting balance point; when the maximum value of the absolute value of the difference between the force application values of the switch machines at the acting balance point and the force application values of the average force of the switch machines at the acting balance point is smaller than a first preset value, determining that the output of the switch machines is uniform in the process of pulling the turnout by the switch machines; the acting balance point is a coordinate point corresponding to the gravity center of a graph formed by enclosing a curve of the force application value of the point switch along with a plurality of preset time points and a time axis. Therefore, the output uniformity indexes of a plurality of switch machines of the multi-switch machine traction switch can be accurately detected, and the problems that the output uniformity of the multi-switch machine traction switch is judged and the accuracy and the reliability of adjustment are difficult to guarantee by adopting a manual experience mode in the prior art are solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic flow chart of an alternative method for detecting uniformity of force output of a traction switch of a multi-switch machine according to an embodiment of the invention;
FIG. 2 is a graphical illustration of an alternative multi-switch machine traction switch force application value over time in accordance with an embodiment of the present invention; and
figure 3 is a graphical representation of an alternative multi-switch machine traction switch force over time in accordance with an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
According to the method for detecting the force uniformity of the traction turnout of the multi-switch machine, disclosed by the embodiment of the invention, as shown in figure 1, the method specifically comprises the following steps:
s102: respectively acquiring force application values of each switch machine at a plurality of preset time points in the process of converting a plurality of switch machine traction turnouts and determining a curve of the force application values changing along with the plurality of preset time points;
s104: determining a force application value of each switch machine at a work-doing balance point according to the force application value of each switch machine at a plurality of preset time points;
s106: determining an average force application value of the switch machines at each preset time point according to the force application values of the switch machines at each preset time point and determining a curve of the average force application value along with the change of the preset time points;
s108: determining force application values of the average forces of the switch machines at work-doing balance points according to the average force application values of the switch machines at each preset time point;
s110: respectively determining the absolute value of the difference between the force application values of the switch machines at the working balance point and the force application values of the average force of the switch machines at the working balance point;
s112: when the maximum value of the absolute values of the differences between the force application values of the switch machines at the work balance points and the force application values of the average force of the switch machines at the work balance points is smaller than a first preset value, determining that the forces of the switch machines in the traction turnout conversion process are uniform;
in the above step, the acting balance point is a coordinate point corresponding to the gravity center of a graph formed by enclosing a curve of the force application value of the switch machine changing along with a plurality of preset time points and a time axis. Correspondingly, the force application value of each point switch at the work doing balance point is the corresponding ordinate value of the coordinate point.
By the method, the output uniformity indexes of the switch machines can be accurately detected in the traction switch point conversion process of the switch machines, and when the output uniformity indexes of the switch machines exceed the normal range, the switch machines and the roadbed are correspondingly overhauled, so that the output uniformity of the switch machines is restored to the normal range. The problem of adopt artifical experience's mode to judge and adjust the switch uniformity of exerting oneself among the prior art and be difficult to guarantee with reliability is solved.
In step S102, a force sensor is disposed at a connection point between the action pull rod of each switch machine and the fork iron of the switch, the force sensor is connected to a corresponding tension detection system, and the real-time force application value of the action pull rod of each switch machine acting on the fork iron is respectively collected at a plurality of preset time points in a plurality of switch machine traction switch conversion processes through the tension detection system.
And after the collection is finished, respectively drawing a curve graph of the force application value of each point switch along with the change of a plurality of preset time points and a curve graph of the average force application value of a plurality of point switches along with the change of a plurality of preset time points by taking the force application value as a vertical coordinate and the time value as a horizontal coordinate. In this embodiment, for example, the force applied by the switches is sampled at 0.1s sampling intervals, and the force applied values of the switches and the curve of the average force applied value along with the change of the preset time point after the sampling are displayed on the screen of the tension detecting system.
Further, in step S106, the average force values of the plurality of switches at each preset time point are calculated to be influenced by the arrangement positions of the respective switches. Specifically, a plurality of switch machines are arranged along the extension direction of the movable rail of the switch; since the movable points rail has a large weight near the base and a small weight near the point, the switch machine near the base exerts a larger force on the movable rail than the switch machine near the point. In order to more accurately detect the uniformity of the force applied by the switch machines in the process of pulling the turnout, a weighted average method is adopted to carry out weighted average on the force applied values of the switch machines at each preset time point when the average force applied value of the switch machines at each preset time point is determined. Different weighted values are given to the switch machines, and then the force application values of the switch machines at each preset time point are averaged, so that the action of the different switch machines in the traction turnout conversion process is reflected. Specifically, the weight values assigned to different switches are set according to specific detection requirements. Taking three switches as an example, the calculation formula of the average force application value at each preset time point is as follows:
in the formula, a, b and c are weighted values of force applied by three switches respectively, and m is a + b + c;
the force application value of the switch machine is displayed on a screen of the tension detection system in a curve form along with the change of the sampling time, the ordinate of the force application curve of each switch machine is the force application value of the switch machine, and the abscissa is the time value. In order to obtain the acting balance point of each switch machine, in this embodiment, a principle of calculating a center of gravity by using a geometric figure enclosed by a curve and an abscissa is used, the center of gravity is actually an energy center of the switch machine acting, a longitudinal coordinate value corresponding to the center of gravity is a force application value of the switch machine at the acting balance point, and the abscissa of the center of gravity is a time value of the switch machine at the acting balance point.
Specifically, the coordinates of the acting balance points are solved, and firstly, a graph formed by enclosing a force application curve of a kth point switch and a time axis coordinate is divided into a plurality of small discrete rectangles according to the number of sampling points; the area corresponding to the small discrete rectangle of the ith sampling point of the force application curve of the kth point switch is:
mki＝Ts|fki|
wherein, TsRepresenting the sampling time interval, fkiAnd representing the tensile force value corresponding to the ith sampling point of the force application curve of the kth switch machine.
From this, the area calculation formula of the graph formed by enclosing the force application curve of the kth switch and the time axis coordinate is:
wherein k is 1, 2, 3 mean, which respectively represents the average force of the switch machine 1, the switch machine 2, the switch machine 3 and the plurality of switch machines; i is the serial number of the sampling points, and n is the number of the sampling points corresponding to each point switch.
The barycentric coordinate and the ordinate of the graph formed by enclosing the force application curve of the kth point switch and the time axis coordinate are respectively as follows:
wherein m iskiThe area corresponding to the discrete small rectangle of the ith sampling point of the force application curve of the kth point switch, MkThe area of a graph formed by enclosing a force application curve of the kth point switch and a time axis coordinate is shown; t is tkiThe sampling time f corresponding to the ith sampling point of the force application curve of the kth switchkiAnd representing the tensile force value corresponding to the ith sampling point of the force application curve of the kth switch machine.
As shown in fig. 2 and 3, the formula can be calculated sequentially from: coordinates corresponding to the gravity center of a geometric figure formed by enclosing the force application curve of the switch machine 1 and the abscissa
Coordinates corresponding to the gravity center of a geometric figure formed by enclosing the force application curve of the switch machine 2 and the abscissa
Coordinates of the force application curve of the switch machine 3 corresponding to the center of gravity of the geometric figure enclosed by the abscissa
Coordinates corresponding to the gravity center of a geometric figure formed by the force application curves of the average forces of the three switches and the abscissa
Namely, the time value and the force application value of each switch machine and the average force of each switch machine corresponding to the acting balance point are obtained.
The acting work of each point switch in the pulling turnout conversion process is constant, according to the acting formula W (F S) F V (T), in the pulling turnout conversion process of each point switch, the turnout moves at a constant speed, so the speed V is a constant, therefore, the acting work W changes along with the pulling force F and the time T of the point switch, and the force application value corresponding to the acting balance point is constant
The corresponding force application value is reflected when the switch machine applies half of the work in the switch pulling process.
In steps S110 and S112, after the force application value of each switch at the work balance point and the force application values of the average forces of the plurality of switches at the work balance point are calculated, the force application value of each switch at the work balance point is subtracted from the force application values of the average forces of the plurality of switches at the work balance point, and the absolute values of the subtracted values are obtained, that is, the absolute values are obtained
The absolute value represents the difference between the force application values of the switch machines 1, 2 and 3 at the acting balance point and the force application values of the average force of the switch machines at the acting balance point, namely whether the force application of each switch machine is uniform or not.
As shown in fig. 2, the first preset value is a lower limit value for uniformly judging the output force of each switch machine, and by selecting the maximum value of the absolute value of the difference between the force application values of the plurality of switch machines at the work balance point and the force application values of the average force of the plurality of switch machines at the work balance point to compare with the first preset value, when the maximum value of the absolute value is smaller than the first preset value, it indicates that the difference between the force application value of each switch machine at the work balance point and the force application values of the average force of all switch machines at the work balance point is smaller, that is, it indicates that the difference between the force application value coordinates of the plurality of switch machines in the process of outputting force is smaller and the uniformity of the output force is better.
In order to make a judgment on the detailed state of the uniformity of the traction turnout output force of the multi-switch machine, in step S112: as shown in fig. 3, when the maximum value of the absolute values of the differences between the force application values of the plurality of switches at the working balance point and the force application values of the average force of the plurality of switches at the working balance point is greater than a first preset value and less than a second preset value, determining that the forces of the plurality of switches in the process of pulling the turnout are uneven; wherein the second preset value is greater than the first preset value; the second preset value is an upper limit value for uniformly judging the output force of each point switch; the maximum value of all the absolute values is located at the first preset value and the second preset value, which shows that the difference on the force application coordinate is large and the uniformity of the force application is poor in the force application process of the switch machines.
Further, in step S112: when the maximum value of the absolute value of the difference between the real-time force application values of the plurality of point machines at the acting balance point and the real-time values of the average force of the plurality of point machines at the acting balance point is larger than the second preset value, the difference on the force application coordinates in the force output process of the plurality of point machines is particularly large, and the uniformity of the output force is extremely poor. The switch machines and their affiliates and foundations need to be serviced immediately.
Specifically, the maximum value of the absolute value of the difference between the force application value of the kth switch at the work balance point and the force application value of the average force at the work balance point is recorded as fdiff-max(ii) a The lower limit value of the uniform output judgment, namely the first preset value is recorded as
The upper limit value of the uniform output judgment, namely the second preset value is recorded as
Then the process of the first step is carried out,
the output force of a plurality of switch machines in the traction turnout conversion process is uniform;
In addition, whether the switch machine 1, the switch machine 2, and the switch machine 3 are uniformly applied with respect to the average force may be determined based on the absolute values of the differences between the application values of the average force of the switch machine 1, the switch machine 2, and the switch machine 3 and the three switch machines at the working equilibrium point. Specifically, the output uniform safety lower limit parameter can be set to be a first preset value, and the output uniform safety upper limit parameter can be set to be a second preset value; the smaller the absolute value of the difference between the application force values, the more uniform the application force is, and the larger the absolute value of the difference between the application force values, the more non-uniform the application force is. When the absolute value of the difference between the force value of a certain point switch at the acting balance point and the force value of the average force at the acting balance point
When the average force output is smaller than the first preset value, the switch machine is uniform relative to the average force output; when the absolute value of the difference between the force value of a certain point switch at the acting balance point and the force value of the average force at the acting balance point
If the average force is larger than the first preset value and smaller than the second preset value, the switch machine is indicated to have uneven output relative to the average force; when the absolute value of the difference between the force value of a certain point switch at the acting balance point and the force value of the average force at the acting balance point
If the average force is larger than the second preset value, the switch machine is indicated to exert force which is seriously uneven relative to the average force.
When judging whether the switch machine 1, the switch machine 2 and the switch machine 3 exert force uniformly relative to the average force respectively, because the magnitude of the exerted force of each switch machine in the process of pulling the turnout switch is different, the adoption of the same safety lower limit parameter and the same safety upper limit parameter can cause inaccurate judgment on the uniformity of the exerted force of a certain switch machine relative to the average force.
Therefore, in order to more accurately measure whether each switch is uniform relative to the average force output, the first preset value and the second preset value are determined according to actual conditions.
Specifically, during the judgment, the absolute value of the difference between the force application value of the switch machine at the working balance point and the force application value of the average force at the working balance point is obtained
And when the switch machine is used, the ratio of the maximum force application value to the maximum force application value in the force application process of the switch machine is used as a comparison object to be compared with the first preset value and the second preset value. The ratio reflects the percentage of the difference between the force application value of the switch machine at the acting balance point and the force application value of the average force at the acting balance point to the maximum force application value of the switch machine, so that the influence caused by different magnitudes of the output force of the switch machine can be effectively reduced.
Specifically, the lower safety limit parameter of uniform output force, i.e. the first preset value, is recorded as
The upper limit of the safety parameter, i.e. the second preset value, of uniform output is recorded as
And
all are dimensionless constants, the maximum force value of the switch machine is recorded as fmaxThe first and second preset values are based on practiceThe situation is determined as it is.
Then the process of the first step is carried out,
the output force of a plurality of switch machines in the traction turnout conversion process is uniform;
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A multi-switch traction turnout output uniformity detection method is characterized by comprising the following steps:
respectively acquiring force application values of each switch machine at a plurality of preset time points in the process of converting a plurality of switch machine traction turnouts and determining a curve of the force application values changing along with the plurality of preset time points;
determining a force application value of each switch machine at a work-doing balance point according to the force application value of each switch machine at a plurality of preset time points;
determining an average force application value of the switch machines at each preset time point according to the force application values of the switch machines at each preset time point and determining a curve of the average force application value along with the change of the preset time points;
determining force application values of the average forces of the switch machines at work-doing balance points according to the average force application values of the switch machines at each preset time point;
respectively determining the absolute value of the difference between the force application values of the switch machines at the working balance point and the force application values of the average force of the switch machines at the working balance point;
when the maximum value of the absolute values of the differences between the force application values of the switch machines at the work balance points and the force application values of the average force of the switch machines at the work balance points is smaller than a first preset value, determining that the forces of the switch machines in the traction turnout conversion process are uniform;
and the acting balance point is a coordinate point corresponding to the gravity center of a graph formed by enclosing a curve of the switch machine force application value along with a plurality of preset time points and a time axis.
2. The method of claim 1, wherein the obtaining force values of each switch machine at a plurality of predetermined time points during the switching process of the plurality of switch machine traction switches comprises:
and acquiring real-time force application values of each switch machine at a plurality of preset time points through a force sensor arranged on a motion pull rod of each switch machine.
3. The method of claim 1, wherein the determining the average force applied by the switches at each of the predetermined time points comprises:
and carrying out weighted average on the real-time force application values of the switch machines at each preset time point by adopting a weighted average method.
4. The method of claim 3, wherein a plurality of said switches are arranged along the extension direction of the movable rail of said switch;
and the weight value given to the corresponding switch machine is gradually increased along the direction from the rail point to the rail root of the movable rail.
5. The method of claim 1, wherein the method further comprises:
determining that the switch machines pull the turnout to convert when the maximum value of the absolute values of the differences between the force application values of the switch machines at the work balance point and the force application values of the average force of the switch machines at the work balance point is larger than the first preset value and smaller than a second preset value;
wherein the second preset value is greater than the first preset value.
6. The method of claim 5, wherein the method further comprises:
and determining that the output force of the switch machines in the switch traction turnout conversion process is seriously uneven when the maximum value of the absolute values of the differences between the force application values of the switch machines at the work balance point and the force application values of the average force of the switch machines at the work balance point is larger than the second preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911317588.2A CN113008430B (en) | 2019-12-19 | 2019-12-19 | Method for detecting output uniformity of traction turnout of multi-point machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911317588.2A CN113008430B (en) | 2019-12-19 | 2019-12-19 | Method for detecting output uniformity of traction turnout of multi-point machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113008430A true CN113008430A (en) | 2021-06-22 |
| CN113008430B CN113008430B (en) | 2023-10-17 |
Family
ID=76381502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911317588.2A Active CN113008430B (en) | 2019-12-19 | 2019-12-19 | Method for detecting output uniformity of traction turnout of multi-point machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113008430B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0718231U (en) * | 1993-09-13 | 1995-03-31 | 東海旅客鉄道株式会社 | Load torque measuring device for rolling machine |
| JP2000168557A (en) * | 1998-12-09 | 2000-06-20 | Railway Technical Res Inst | Load torque measuring device for electric switch machine and setting method for load torque decision value to the measuring device |
| DE102008008578B3 (en) * | 2008-02-11 | 2009-08-20 | Deutsche Bahn Ag | Method for determining dynamic wheel strength during passage of railway vehicle on core of guide, crossing or crossing guide of rail traffic way, involves measuring concentrated loads on all strength-deriving places with passage of train |
| CN201354082Y (en) * | 2008-11-22 | 2009-12-02 | 兰州大成自动化工程有限公司 | Device for controlling three-phase alternating current switching machine |
| CN101893667A (en) * | 2010-05-26 | 2010-11-24 | 广州市地下铁道总公司 | Fault detection system of AC turnout switch machine and method thereof |
| US20130253814A1 (en) * | 2012-03-24 | 2013-09-26 | Alvin R. Wirthlin | System and Method for Gauging Safe Towing Parameters |
| CN204594610U (en) * | 2015-04-24 | 2015-08-26 | 南昌铁路通信信号厂有限公司 | Goat tractive force pick-up unit between point tongue and stock rail |
| CN107727292A (en) * | 2017-10-13 | 2018-02-23 | 杭州慧景科技股份有限公司 | Point machine changes power on-Line Monitor Device and monitoring method |
| CN209470867U (en) * | 2019-04-08 | 2019-10-08 | 天津铁路信号有限责任公司 | A kind of crowded de- power testing stand of goat |
-
2019
- 2019-12-19 CN CN201911317588.2A patent/CN113008430B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0718231U (en) * | 1993-09-13 | 1995-03-31 | 東海旅客鉄道株式会社 | Load torque measuring device for rolling machine |
| JP2000168557A (en) * | 1998-12-09 | 2000-06-20 | Railway Technical Res Inst | Load torque measuring device for electric switch machine and setting method for load torque decision value to the measuring device |
| DE102008008578B3 (en) * | 2008-02-11 | 2009-08-20 | Deutsche Bahn Ag | Method for determining dynamic wheel strength during passage of railway vehicle on core of guide, crossing or crossing guide of rail traffic way, involves measuring concentrated loads on all strength-deriving places with passage of train |
| CN201354082Y (en) * | 2008-11-22 | 2009-12-02 | 兰州大成自动化工程有限公司 | Device for controlling three-phase alternating current switching machine |
| CN101893667A (en) * | 2010-05-26 | 2010-11-24 | 广州市地下铁道总公司 | Fault detection system of AC turnout switch machine and method thereof |
| US20130253814A1 (en) * | 2012-03-24 | 2013-09-26 | Alvin R. Wirthlin | System and Method for Gauging Safe Towing Parameters |
| CN204594610U (en) * | 2015-04-24 | 2015-08-26 | 南昌铁路通信信号厂有限公司 | Goat tractive force pick-up unit between point tongue and stock rail |
| CN107727292A (en) * | 2017-10-13 | 2018-02-23 | 杭州慧景科技股份有限公司 | Point machine changes power on-Line Monitor Device and monitoring method |
| CN209470867U (en) * | 2019-04-08 | 2019-10-08 | 天津铁路信号有限责任公司 | A kind of crowded de- power testing stand of goat |
Non-Patent Citations (3)
| Title |
|---|
| 史玉杰: "道岔与转换设备动力作用的仿真研究", 铁道学报, no. 04 * |
| 沈巍, 崔冬芳, 史玉杰: "自润滑道岔滑床板的研制", 中国铁道科学, no. 04 * |
| 王安等: "便携式双机牵引转辙机测试仪的研制", 便携式双机牵引转辙机测试仪的研制, no. 11 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113008430B (en) | 2023-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106180212B (en) | A kind of intelligent adjustment control method of looper control system and loop length | |
| US11613852B2 (en) | Track maintenance machine and method for levelling a track | |
| CN113008431B (en) | Method for detecting output synchronism of traction turnout of multi-point machine | |
| CN201138283Y (en) | Automatic test apparatus for microcomputer controlled elastic side bearing | |
| CN113008430A (en) | Method for detecting uniformity of traction turnout output of multi-point switch | |
| CN114537149B (en) | Method for non-contact detection of locomotive pantograph characteristic parameters | |
| CN202511750U (en) | Heating furnace stepping moving beam positioning and detection device | |
| CN111275939A (en) | Bridge construction equipment safety monitoring and early warning method and system | |
| CN110092253A (en) | To the corrected system and method in calibration position of carriage Absolute position measurement system | |
| CN107043056B (en) | Elevator running state detection device and detection method suitable for any T-shaped guide rail | |
| CN201103790Y (en) | Digital cabinet digit meter | |
| CN205855665U (en) | A kind of elevator safety performance comprehensive detection system | |
| CN114413771A (en) | Edge covering thickness detection device, edge covering production line and edge covering method | |
| JP2020041943A (en) | Pantograph overall measuring device and pantograph pushing-up force estimation method | |
| CN203630307U (en) | A device judging a switch break state through switch contact pressure changes | |
| CN212799064U (en) | Constant tension unwrapping wire cable carries harness | |
| CN109631800B (en) | Method and device for detecting dynamic lifting amount of contact line | |
| CN108088606A (en) | A kind of contact line conducting wire parameter measurement instrument | |
| CN204875010U (en) | Yarn tension detection device on knitting machine | |
| CN206740155U (en) | A kind of constant pressure pressure-keeping mechanism | |
| KR101360977B1 (en) | Detection System for Seam Area and Roller Effect Area of Pipe | |
| KR20050091519A (en) | Detecting device for overhead transmission line fault location | |
| JP6574730B2 (en) | Pantograph abnormality detection method and detection apparatus | |
| KR20170103404A (en) | The device of lightning stroke location | |
| CN205926670U (en) | Cold -rolled steel sheet is received material machine and is cut board system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211014 Address after: 710000 Room 401, building 3, West ziweishang floor, No. 5, Taibai South Road, Yanta District, Xi'an City, Shaanxi Province Applicant after: Shaanxi luide road and Bridge Technology Co.,Ltd. Address before: Room 10203, 2 / F, unit 1, building 7, Jinshang Mingcheng phase I, 88 Jinye Road, high tech Zone, Xi'an City, Shaanxi Province, 710065 Applicant before: Shaanxi yingtaihe Electronic Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |