CN110411653A - A kind of railway vehicle coupler power static demarcating method - Google Patents
A kind of railway vehicle coupler power static demarcating method Download PDFInfo
- Publication number
- CN110411653A CN110411653A CN201910640594.5A CN201910640594A CN110411653A CN 110411653 A CN110411653 A CN 110411653A CN 201910640594 A CN201910640594 A CN 201910640594A CN 110411653 A CN110411653 A CN 110411653A
- Authority
- CN
- China
- Prior art keywords
- hitch
- power
- pressure hook
- measurement
- railway vehicle
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to coupler force measurement, especially a kind of railway vehicle coupler power static demarcating method comprising Step 1: determining the position of the measurement point on hitch；Step 2: measuring piece is arranged in measurement point, measuring piece is connected in measuring circuit；Step 3: applying drawing/pressure hook power to hitch, in drawing/pressure hook masterpiece used time, the voltage value exported in measuring circuit is read, drawing/pressure hook power size and voltage value size corresponding relationship, as calibration coefficient are obtained.A kind of static demarcating method of the coupler force provided through the invention, before carrying out coupler force measurement to selected hitch under identical environment, the static demarcating that a coupler force is carried out by this method, obtains under the environment, drawing suffered by hitch to be measured/pressure hook power and output voltage corresponding relationship.So as to which based on the voltage value read in the calibration coefficient and actual measurement, drawing suffered by hitch/pressure hook power is calculated during the actual measurement of subsequent coupler force.
Description
Technical field
The present invention relates to a kind of experimental rig, especially a kind of railway vehicle coupler power static demarcating method.
Background technique
With the high speed development of China Railway, the continuous promotion of Heavy-haul Freight ability, Heavy-haul Freight train of growing up fortune
Longitudinal force also increases with it when row, therefore, in order to assess the longitudinal dynamics performance of Heavy-haul Freight train in the process of running, protects
Safe train operation is demonstrate,proved, the stress condition of experimental test analysis coupling device at car end, the especially stress of hitch are necessarily passed through
Situation.
Due to the particularity of hitch installation site and the complexity of running environment, dynamometry instrument cannot be directly installed additional to hitch
Power measures, and is usually converted to electric signal by the strain generated when hitch surface mount foil gauge is by hitch stress,
The size of coupler force, but pair in different environment, between electric signal and coupler force are characterized by measurement electric signal size
It should be related to often different from, therefore, the above method is usually unable to measure to obtain accurate coupler force.
Summary of the invention
Goal of the invention of the invention is: in view of the problems of the existing technology, it is quiet to provide a kind of railway vehicle coupler power
State scaling method.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of railway vehicle coupler power static demarcating method the following steps are included:
Step 1: determining the position of the measurement point on hitch；
Step 2: measuring piece is arranged in measurement point, measuring piece is connected in measuring circuit；
Step 3: applying drawing/pressure hook power to hitch, in drawing/pressure hook masterpiece used time, the voltage exported in measuring circuit is read
Value, obtains drawing/pressure hook power size and voltage value size corresponding relationship, as calibration coefficient.
The present invention provides a kind of static demarcating methods of coupler force, carry out hitch to selected hitch under identical environment
Before power measurement, the static demarcating of a coupler force is carried out by this method, is obtained under the environment, drawing suffered by hitch to be measured/
The corresponding relationship of pressure hook power and output voltage.So as to during the actual measurement of subsequent coupler force, based on the calibration coefficient with
And the voltage value read in actual measurement, drawing suffered by hitch/pressure hook power is calculated.
As a preferred solution of the present invention, in step 2:
Measuring piece includes measurement piece and compensating plate, and measurement piece is used to be arranged along drawing/pressure hook power action direction, compensating plate with
It is vertical to measure piece.
By the way that compensating plate is arranged, influence of the compensation environmental change to measurement piece, the calibration coefficient enable is compared with subject to
Really react drawing/pressure hook power and output voltage relationship.
As a preferred solution of the present invention, in step 1:
Measurement point is set in hitch side, measurement point is arranged in the corresponding position in the hitch other side.
Be respectively provided with measurement point in the two sides of hitch, can be avoided drawing/pressure hook power position deviate coupler force center of gravity and
The drawback that the unequal Zona transformans in hitch two sides caused by the problems such as hitch incomplete homogeneous that may be present itself comes.
As a preferred solution of the present invention, in step 2:
Measuring piece in corresponding two measurement points of two side position of hitch is connected in the same measuring circuit, composition
Full bridge measurement circuit.
As a preferred solution of the present invention, in step 1:
At least two measurement points are set in hitch side, are oppositely disposed at least two measurement points in the hitch other side.
As a preferred solution of the present invention, in step 3:
Successively apply at least two drawings of different sizes/pressure hook power on hitch, in different size of drawing/pressure hook power effect
Under, linear fit seeks voltage value and drawing/pressure hook power corresponding relationship, obtains calibration coefficient；
Corresponding relationship refers to drawing/pressure hook power and voltage value ratio.
As a preferred solution of the present invention, in step 3:
Maximum drawing/pressure hook the power applied is not less than the 60% of hitch allowable load.
As a preferred solution of the present invention, in step 3:
Each drawing/pressure hook power applies at least twice, is averaged, makees to the same drawing/pressure hook power output voltage value
For the lower voltage value exported of the drawing/pressure hook power effect.
As a preferred solution of the present invention, further comprising the steps of after step 1 and before step 2 starts:
Polishing measurement point.
Make foil gauge the defects of so that measurement point is kept smooth, guarantee below location point without sand holes by measurement point of polishing
Free from admixture, gap between hitch contact surface are conducive to make to measure the pulled condition that piece more accurately reacts hitch.
As a preferred solution of the present invention, further comprising the steps of after step 3:
Step 4: installing the hitch that calibration is completed between the rolling stock for needing to measure coupler force, coupler force is acquired
Measuring circuit output voltage time sequence data, be multiplied by calibration coefficient obtained in step 3 by voltage time sequence data
It can be exchanged into coupler force time series data.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
The present invention provides a kind of static demarcating methods of coupler force, carry out hitch to selected hitch under identical environment
Before power measurement, the static demarcating of a coupler force is carried out by this method, is obtained under the environment, drawing suffered by hitch to be measured/
The corresponding relationship of pressure hook power and output voltage.So as to during the actual measurement of subsequent coupler force, based on the calibration coefficient with
And the voltage value read in actual measurement, drawing suffered by hitch/pressure hook power is calculated.It can more accurately calculate through the invention
Obtain coupler force suffered by hitch.
Detailed description of the invention
Fig. 1 is structure when railway vehicle coupler power static demarcating testing stand provided in an embodiment of the present invention is connected with hitch
Schematic diagram.
Fig. 2 is the structural schematic diagram of matrix provided in an embodiment of the present invention.
Fig. 3 is the structural schematic diagram of coupler seat provided in an embodiment of the present invention.
Fig. 4 is structure when railway vehicle coupler power static demarcating testing stand provided in an embodiment of the present invention is connected with hitch
Schematic diagram.
Fig. 5 is the structural schematic diagram of hitch provided in an embodiment of the present invention and the position signal of the measurement point on hitch
Figure.
Fig. 6 is the relative position schematic diagram between measurement piece and compensating plate provided in an embodiment of the present invention.
Fig. 7 is the schematic diagram of measuring circuit provided in an embodiment of the present invention.
Marked in the figure: 11- matrix；111- accommodating space；112- mounting platform；The first support plate of 113-；114- second
Fagging；115- shaft；12- force-applying piece；The first connector of 131-；The second connector of 132-；133- rotating member；14- coupler seat；
141- mounting portion；142- installation part；151- measures piece；152- compensating plate；Position is measured on the left of 153- hitch；It is surveyed on the right side of 154- hitch
Measure position；21- gib head；23- tongue structure；22- hook tail；Y- first direction；X- second direction.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment
The embodiment of the invention provides a kind of railway vehicle coupler power static demarcating method, this scaling method can be in iron
It is carried out on road vehicles coupler force static demarcating testing stand.Please refer to Fig. 1-Fig. 7.This railway vehicle coupler power static demarcating test
Platform includes matrix 11, force-applying piece 12, transmission component, coupler seat 14 and dynamometry component.
Fig. 1, Fig. 2 and Fig. 4 are please referred to, forms accommodating space 111 and mounting platform 112 on matrix 11.111 He of accommodating space
Mounting platform 112 is arranged on Y in a first direction, and in the present embodiment, first direction Y refers to, height side when matrix 11 works
To.
It is installed with the first support plate 113 and the second support plate 114 in accommodating space 111, the first support plate 113 and second
Fagging 114 is oppositely arranged in compartment of terrain.Force-applying piece 12 is fixedly linked with the first support plate 113 and the second support plate 114.In this reality
It applies in example, force-applying piece 12 is selected as hydraulic cylinder.X is arranged hydraulic cylinder in a second direction, i.e. the length direction and second party of hydraulic cylinder
It is consistent to X.
The output end of force-applying piece 12 is connected with transmission component one end, and the transmission component other end with hitch for being connected.
Specifically, transmission component includes the first connector 131, the second connector 132 and rotating member 133.
First connector 131 is rod-like structure.Second connector 132 is selected as the iron chains with buckle, passes through buckle and iron
The hasp of chain is connected, and can form connection ring on the second connector 132.Tongue structure 23 in connection ring and gib head 21 is suitable
Match, under the gravity of hitch and the collective effect of tongue structure 23, can be avoided connection ring and be detached from during the calibration process with hitch.
Rotating member 133 is equipped with the first connecting hole, the second connecting hole and third connecting hole, and matrix 11 is equipped with shaft 115, third connection
Hole is rotationally connected with shaft 115, and rotating member 133 is rotated relative to matrix 11.
In the present embodiment, rotating member 133 includes the first pivoted arm and the second pivoted arm being fixedly linked, the setting of third connecting hole
In the intersection of the first pivoted arm and the second pivoted arm.One end on first pivoted arm far from the second pivoted arm is connected with the first connector 131,
One end on second pivoted arm far from the first pivoted arm is connected with the second connector 132.When needing to adjust drawing/pressure hook power size, lead to
It crosses and uses the rotating member 133 of the ratio between the first pivoted arm and the second arm length not etc. instead.
The output end of force-applying piece 12 is connected with 131 one end of the first connector, 131 other end of the first connector and rotating member
133 the first connecting hole is connected.Second connecting hole of rotating member 133 is connected with 132 one end of the second connector, the second connector
Connection ring on 132 with hitch for being connected.
Referring to Fig. 3, coupler seat 14 is set on mounting platform 112.Coupler seat 14 is equipped with mounting portion 141, specifically, peace
Dress portion 141 is groove structure.The hook tail 22 of hitch can be placed in mounting portion 141.The side wall of mounting portion 141 is equipped with installation
Hole, mounting hole is for corresponding with the hole on hook tail 22.Coupler seat 14 further includes installation part 142, in the present embodiment, installation part
142 are set as pin.The hole on mounting hole and hook tail 22 is sequentially passed through by installation part 142, hitch and coupler seat 14 may be implemented
Be connected.
In the present embodiment, when hitch is connected with coupler seat 14, the length direction of hitch for consistent with second direction X,
That is: the length direction of hitch is for consistent with the direction of force-applying piece 12.
In the present embodiment, first direction Y and second direction X are orthogonal.
Fig. 5, Fig. 6 and Fig. 7 are please referred to, dynamometry component includes dynamometry part and measuring circuit.
Dynamometry part with hitch for being connected, and deformation occurs with the stress of hitch.In the present embodiment, dynamometry part is two-way
Resistance strain gage.Dynamometry part includes measurement piece 151 and compensating plate 152, and measurement piece 151 is used to be arranged along the Impact direction of hitch,
Compensating plate 152 is vertically arranged with measurement piece 151.
Measuring circuit is full bridge measurement circuit.
Railway vehicle coupler power static demarcating method provided by the invention the following steps are included:
Step 1: determining the position of the measurement point on hitch；
Specifically, location point is selected close to the position of the second connector 132 in rectangular surfaces at left and right sides of the hitch, in hitch
Left side select tri- measurement points of 1a, 1b, 1c, the right side of hitch selects tri- measurement points of 1d, 1e, 1f, the measurement on the left of hitch
Point is arranged symmetrically with the measurement point on the right side of hitch.
Further, for measurement point 1b between measurement point 1a and measurement point 1c, measurement point 1b is located at rectangle on the left of hitch
At a quarter length in face.The distance between measurement point 1a, 1b, 1c are set as 4cm-6cm, further, in the present embodiment,
Spacing distance between measurement point 1a, 1b, 1c is 5cm.
Measurement point 1a is located at the side on measurement point 1b close to hitch gib head 21, and measurement point 1c is located at separate on measurement point 1b
The side of hitch gib head 21.
Further, for measurement point 1e between measurement point 1d and measurement point 1f, measurement point 1e is located at hitch right rectangular
At a quarter length in face.The distance between measurement point 1d, 1e, 1f are set as 4cm-6cm, further, in the present embodiment,
Spacing distance between measurement point 1d, 1e, 1f is 5cm.
Measurement point 1d is located at the side on measurement point 1f close to hitch gib head 21, and measurement point 1f is located at separate on measurement point 1e
The side of hitch gib head 21.
By above-mentioned setting, the distance between measurement point 1a and hitch gib head 21 is made to be equal to measurement point 1d and hitch gib head 21
The distance between；The distance between measurement point 1b and hitch gib head 21 are equal to the distance between measurement point 1e and hitch gib head 21；
The distance between measurement point 1c and hitch gib head 21 are equal to the distance between measurement point 1f and hitch gib head 21.
After selected measurement point, measurement point of polishing.
Specifically, the position of chosen measurement point is polished flat with sander, and guarantee below measurement point without sand holes
The defects of, polishing point is polished smooth with fine sandpaper later.Polishing point is cleaned up, guarantees measuring piece and hitch contact surface
Between free from admixture, gap.
Step 2: measuring piece is arranged in measurement point, measuring piece is connected in measuring circuit；
Specifically, measurement piece 151 and compensating plate 152 are attached in the measurement point of hitch center side point, measurement point
Measurement piece 151 and compensating plate 152 on 1a, 1d constitute one group of full bridge measurement circuit, 151 and of measurement piece in measurement point 1b, 1e
Compensating plate 152 constitutes one group of full bridge measurement circuit, and the measurement piece 151 and compensating plate 152 in measurement point 1c, 1f constitute one group of full-bridge
Measuring circuit constitutes three groups of measuring circuits in total, feeder ear applies 2V direct current, measures voltage value, that is: one group of measurement electricity
Road include measurement piece 151 on the left of hitch on measurement position 153 and compensating plate 152 and with position 153 is measured on the left of the hitch
Measurement piece 151 and compensating plate 152 on the right side of corresponding hitch on measurement position 154；
Further, be respectively provided with measurement piece 151 and compensating plate 152 in each measurement point, measurement piece 151 along hitch by
The setting of power direction, compensating plate 152 are vertically arranged with measurement piece 151；
The measuring circuit organized is connect with data collecting instrument, power supply line is connected to feeder ear, and data line is connected to measurement
End.
Step 3: applying drawing/pressure hook power to hitch, in drawing/pressure hook masterpiece used time, the voltage exported in measuring circuit is read
Value, obtains drawing/pressure hook power size and voltage value size corresponding relationship, as calibration coefficient；
Specifically, the calibration coefficient is drawing/pressure hook power size and voltage value size ratio.
Hitch is mounted on railway vehicle coupler power static demarcating testing stand provided in this embodiment, the gib head 21 of hitch
It is connected with the connection ring formed on the second connector 132, one end on hitch far from gib head 21 is connected with coupler seat 14.By applying
Power part 12 successively applies F1、F2、F3、F4Stabilization drawing/pressure hook power, drawing/pressure hook power of each size applies at least twice.
In the present embodiment, the drawing of each size/pressure hook power applies three times, so as in the drawing of the same size/pressure hook power
Under effect, three output voltage values are read, these three output voltage values are averaged, drawing/pressure hook power as this size
Output voltage values under effect.
By F1To F4, drawing/pressure hook power size gradually increases, wherein the maximum load F applied4Allow to bear greater than hitch
Maximum drawing/pressure hook power 60%.In actual operation, drawing/pressure hook power of receiving is likely to be breached its allowable load to hitch
60%.
For each measuring circuit, four voltage values which is exported under four drawings/pressure hook power effect
Linear fit is carried out with drawing/pressure hook power size, the slope K of obtained straight line is the calibration coefficient of the measuring circuit.To
The calibration coefficient K of three groups of bridges of available hitch force measuring device1、K2、K3。
After the above step is finished, that is, the determination of calibration coefficient is realized.After the completion of calibration, follow the steps below:
Step 4: carrying out the measurement of coupler force.
Specifically, installing the hitch that calibration is completed between the rolling stock for needing to measure coupler force.Acquire coupler force
The voltage time sequence data for measuring bridge output, measurement, which is obtained data, can be exchanged into coupler force multiplied by corresponding calibration coefficient
Time series data, i.e. F=K × U.
Wherein, U is the voltage time sequence data of output, and K is calibration coefficient, and F is coupler force time series data.
To three measuring circuits, respectively on the basis of respective calibration coefficient, respective coupler force time series number is acquired
According to.
In the present embodiment, it is contemplated that the test environment in practical driving conditions is complicated, and foil gauge and signal wire are easy to damage etc.
Problem is provided with three groups of full bridge measurement circuits.During actual measurement, if three groups of bridges are converted by corresponding calibration coefficient
Obtained coupler force size is close or differs greatly, then final coupler force takes the average value of three coupler forces；If there is two groups to connect
Closely, another set differs greatly, then take two groups similar in coupler force mean value as final coupler force measured value.When implementation,
Those skilled in the art can rule of thumb and the measurement accuracy that needs determines and judges whether close specific of coupler force size
Standard.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of railway vehicle coupler power static demarcating method, which comprises the following steps:
Step 1: determining the position of the measurement point on hitch；
Step 2: measuring piece is arranged in measurement point, measuring piece is connected in measuring circuit；
Step 3: applying drawing/pressure hook power to hitch, in drawing/pressure hook masterpiece used time, the voltage value exported in measuring circuit is read,
Obtain drawing/pressure hook power size and voltage value size corresponding relationship, as calibration coefficient.
2. railway vehicle coupler power static demarcating method according to claim 1, which is characterized in that in the step 2
In:
Measuring piece includes measurement piece and compensating plate, and measurement piece is used to be arranged along the drawing/pressure hook power action direction, the compensation
Piece is vertical with the measurement piece.
3. railway vehicle coupler power static demarcating method according to claim 2, which is characterized in that in the step 1
In:
Measurement point is set in hitch side, measurement point is arranged in the corresponding position in the hitch other side.
4. railway vehicle coupler power static demarcating method according to claim 3, which is characterized in that in the step 2
In:
Measuring piece in corresponding two measurement points of two side position of hitch is connected in the same measuring circuit, forms full-bridge
Measuring circuit.
5. railway vehicle coupler power static demarcating method according to claim 1, which is characterized in that in the step 1:
At least two measurement points are set in hitch side, are oppositely disposed at least two measurement points in the hitch other side.
6. railway vehicle coupler power static demarcating method according to claim 5, which is characterized in that in the step 3:
Successively apply at least two drawings of different sizes/pressure hook power on the hitch, in different size of drawing/pressure hook power effect
Under, linear fit seeks voltage value and drawing/pressure hook power corresponding relationship, obtains calibration coefficient；
The corresponding relationship refers to drawing/pressure hook power and voltage value ratio.
7. railway vehicle coupler power static demarcating method according to claim 6, which is characterized in that in the step 3:
Maximum drawing/pressure hook the power applied is not less than the 60% of hitch allowable load.
8. railway vehicle coupler power static demarcating method according to claim 6 or 7, which is characterized in that the step 3
In:
Each drawing/pressure hook power applies at least twice, is averaged to the same drawing/pressure hook power output voltage value, as this
The lower voltage value exported of drawing/pressure hook power effect.
9. railway vehicle coupler power static demarcating method according to claim 1, which is characterized in that the step 1 terminates
Afterwards and before the step 2 starts, further comprising the steps of:
Polishing measurement point.
10. railway vehicle coupler power static demarcating method according to claim 1, which is characterized in that the step
It is further comprising the steps of after three:
Step 4: installing the hitch that calibration is completed between the rolling stock for needing to measure coupler force, acquisition measuring circuit is defeated
Voltage time sequence data can be exchanged into coupler force time sequence multiplied by corresponding calibration coefficient by voltage time sequence data out
Column data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640594.5A CN110411653A (en) | 2019-07-16 | 2019-07-16 | A kind of railway vehicle coupler power static demarcating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640594.5A CN110411653A (en) | 2019-07-16 | 2019-07-16 | A kind of railway vehicle coupler power static demarcating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110411653A true CN110411653A (en) | 2019-11-05 |
Family
ID=68361536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910640594.5A Pending CN110411653A (en) | 2019-07-16 | 2019-07-16 | A kind of railway vehicle coupler power static demarcating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110411653A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307933A (en) * | 2019-07-16 | 2019-10-08 | 西南交通大学 | A kind of railway vehicle coupler power static demarcating testing stand |
| CN114136520A (en) * | 2021-11-26 | 2022-03-04 | 天津大学 | Longitudinal load testing method for wagon body |
| CN114486302A (en) * | 2021-12-31 | 2022-05-13 | 大秦铁路股份有限公司科学技术研究所 | Coupler force measuring method and system considering longitudinal loading additional bending moment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049767U (en) * | 1989-03-01 | 1989-12-20 | 铁道部标准计量研究所 | Detector for longitudinal force of railway vehicles |
| CN204202812U (en) * | 2014-11-18 | 2015-03-11 | 南京航空航天大学 | The caliberating device of simple and easy force cell |
| CN207622925U (en) * | 2017-12-21 | 2018-07-17 | 武汉大学 | A kind of easy device suitable for tension-compression sensor calibration |
| CN109029811A (en) * | 2018-07-17 | 2018-12-18 | 中车株洲电力机车有限公司 | A kind of coupler force testing experiment method and calibration tooling |
-
2019
- 2019-07-16 CN CN201910640594.5A patent/CN110411653A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049767U (en) * | 1989-03-01 | 1989-12-20 | 铁道部标准计量研究所 | Detector for longitudinal force of railway vehicles |
| CN204202812U (en) * | 2014-11-18 | 2015-03-11 | 南京航空航天大学 | The caliberating device of simple and easy force cell |
| CN207622925U (en) * | 2017-12-21 | 2018-07-17 | 武汉大学 | A kind of easy device suitable for tension-compression sensor calibration |
| CN109029811A (en) * | 2018-07-17 | 2018-12-18 | 中车株洲电力机车有限公司 | A kind of coupler force testing experiment method and calibration tooling |
Non-Patent Citations (3)
| Title |
|---|
| 张登科等: "救援工况下列车车钩力试验研究", 《黑龙江科技信息》 * |
| 田武岭: "基于小子样疲劳试验的重载车钩可靠性研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
| 陈佳祺: "神华C80万吨列车车钩载荷谱试验及应用研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307933A (en) * | 2019-07-16 | 2019-10-08 | 西南交通大学 | A kind of railway vehicle coupler power static demarcating testing stand |
| CN110307933B (en) * | 2019-07-16 | 2024-03-29 | 西南交通大学 | Static calibration test bed for coupler force of railway vehicle |
| CN114136520A (en) * | 2021-11-26 | 2022-03-04 | 天津大学 | Longitudinal load testing method for wagon body |
| CN114136520B (en) * | 2021-11-26 | 2022-08-05 | 天津大学 | Longitudinal load testing method for wagon body |
| CN114486302A (en) * | 2021-12-31 | 2022-05-13 | 大秦铁路股份有限公司科学技术研究所 | Coupler force measuring method and system considering longitudinal loading additional bending moment |
| CN114486302B (en) * | 2021-12-31 | 2024-02-23 | 大秦铁路股份有限公司科学技术研究所 | Coupler force measurement method and system considering longitudinal loading additional bending moment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110411653A (en) | A kind of railway vehicle coupler power static demarcating method | |
| CN110307933A (en) | A kind of railway vehicle coupler power static demarcating testing stand | |
| CN104833525A (en) | Vehicle crash test dummy knee calibration device and calibration method | |
| CN102128584A (en) | Method for testing work displacement of helical spring of automobile suspension | |
| CN109115378A (en) | A kind of flexural pivot force test device and its test method | |
| US6662641B2 (en) | Method and device to measure the brake force for railroad vehicles | |
| CN209979131U (en) | Railway vehicle coupler force static calibration test bed | |
| CN114486302B (en) | Coupler force measurement method and system considering longitudinal loading additional bending moment | |
| CN115096486B (en) | Force measurement and displacement type friction pendulum support and sensor replacement method | |
| CN115790969A (en) | Calibration mechanism and calibration method for force measuring platform | |
| CN113432980B (en) | Testing method for tensile property of superconducting cable | |
| CN103134621A (en) | Transverse load testing structure of H-shaped dynamometric framework | |
| CN112665882B (en) | Real-time monitoring method for wheel rail force of loop accelerated loading test device | |
| CN211373902U (en) | Longitudinal force detection device and rail vehicle | |
| CN102419231B (en) | Method and device for testing static self-resilience of coupler buffer device | |
| CN205843886U (en) | A kind of dynamometer calibrating installation | |
| CN111157160B (en) | Longitudinal force detection device, railway vehicle and longitudinal force detection method | |
| CN219391188U (en) | On-line monitoring sensor structure and car coupler system applying same | |
| RU35004U1 (en) | Measuring system | |
| CN217304378U (en) | Automobile comprehensive rotary drum test bed power testing mechanism | |
| CN217542672U (en) | Strain gauge positioning device for structural load test | |
| KR101384187B1 (en) | Load control apparatus for friction coefficient test of tire | |
| CN115963007B (en) | Force measuring bolt calibration test device | |
| CN221148338U (en) | Device for testing performance of keel material | |
| CN214040474U (en) | Combined torque measuring system with one machine for two purposes |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191105 |