CN110307933A - A kind of railway vehicle coupler power static demarcating testing stand - Google Patents
A kind of railway vehicle coupler power static demarcating testing stand Download PDFInfo
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- CN110307933A CN110307933A CN201910641012.5A CN201910641012A CN110307933A CN 110307933 A CN110307933 A CN 110307933A CN 201910641012 A CN201910641012 A CN 201910641012A CN 110307933 A CN110307933 A CN 110307933A
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000003068 static effect Effects 0.000 title claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 81
- 239000011159 matrix material Substances 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The present invention relates to experimental rig, especially a kind of railway vehicle coupler power static demarcating testing stand comprising matrix；Force-applying piece, force-applying piece one end are fixedly linked with matrix；Coupler seat, coupler seat are fixedly arranged on matrix, and coupler seat is equipped with mounting portion, and mounting portion with hitch for being detachably connected；With power transmission component, the force-applying piece other end is connected with power transmission component one end, and the power transmission component other end with hitch for being connected.When use, hitch to be calibrated is mounted on coupler seat, apply external force by force-applying piece, it is applied on hitch, device for measuring force is sticked on the surface of hitch, can be corresponding with the electric signal of output by the stress of hitch, to complete to demarcate, be conducive to the stress for relatively accurately converting the electric signal of actual measurement to hitch.In use, the power output of force-applying piece constitutes the internal force of the railway vehicle coupler power static demarcating testing stand, therefore the testing stand can be moved and be used, and not need additionally to be fixed on other equipment or ground.
Description
Technical field
The present invention relates to a kind of experimental rig, especially a kind of railway vehicle coupler power static demarcating testing stand.
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 is characterized by measurement electric signal size, but needs to demarcate in advance between hitch stress and output electric signal
The electric signal of actual measurement accurately could be converted into hitch stress size by corresponding relationship.Therefore, needing one kind can be to vehicle
The experimental provision of hook applied force, consequently facilitating corresponding relationship (is marked between the size of measurement coupler force and output electric signal size
Determine coefficient) calibration experiment.
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 Calibrating experimental bench.
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 testing stand, comprising: matrix；Force-applying piece, force-applying piece one end and matrix are solid
It is fixed to be connected；Coupler seat, coupler seat are fixedly arranged on matrix, and coupler seat is equipped with mounting portion, and mounting portion is used for and the detachable phase of hitch
Even；With power transmission component, the force-applying piece other end is connected with power transmission component one end, and the power transmission component other end with hitch for being connected.Make
Hitch to be calibrated is mounted on coupler seat by the used time, is applied external force by force-applying piece, is applied on hitch, in the table of hitch
Device for measuring force in face paste, can be corresponding with the electric signal of output by the stress of hitch, to complete to demarcate, is conducive to practical survey
The electric signal of amount is relatively accurately converted into the stress of hitch.In use, the power output of force-applying piece constitutes the railway vehicle coupler
The internal force of power static demarcating testing stand, therefore the testing stand can be moved and be used, and not need additionally to be fixed on other equipment or ground
On face.
In preferred embodiment of the invention, power transmission component includes rotating member, and rotating member is rotatably installed on matrix
On；Rotating member one end is connected with force-applying piece, and the rotating member other end with hitch for being connected.By above-mentioned structure, using rotation
Part transmits the power that force-applying piece applies, then by adjusting the arm of force scale for the power that rotating member both ends are subject to, may be implemented to vehicle
The adjusting of hook stress.
In preferred embodiment of the invention, power transmission component further includes the first connector and the second connector；Rotating member
It is connected with force-applying piece by the first connector；Form connection ring on second connector, the second connector for connect rotating member with
Hitch.By connection ring structure, it is easy to implement the second connector and is connected with the quick of hitch.
In preferred embodiment of the invention, rotating member is equipped with the first connecting hole, the second connecting hole is connected with third
Hole, the first connecting hole with the first connector for being connected, and the second connecting hole for being connected with the second connector, use by third connecting hole
In being rotationally connected with matrix.
In preferred embodiment of the invention, accommodating space and mounting platform, accommodating space and installation are formed on matrix
Platform is arranged in a first direction；Force-applying piece is set in accommodating space, and coupler seat is set on mounting platform；Force-applying piece is used for the
Output action power on two directions, rotating member are set to the end of matrix；First direction and second direction are in the setting of angle.By upper
The structure stated, the railway vehicle coupler power static demarcating testing stand it is compact-sized, space occupied is smaller.
In preferred embodiment of the invention, in accommodating space be equipped with the first support plate and the second support plate, first
Fagging is in be positioned apart from the second support plate；First support plate is connected with force-applying piece, and the second support plate is connected with force-applying piece.
In preferred embodiment of the invention, railway vehicle coupler power static demarcating testing stand further includes installation part, vehicle
Hook seat is equipped with mounting hole, and installation part is adapted to mounting hole.
In preferred embodiment of the invention, force-applying piece includes hydraulic cylinder.
In preferred embodiment of the invention, railway vehicle coupler power static demarcating testing stand further includes dynamometry component,
Dynamometry component includes dynamometry part and measuring circuit；Dynamometry part with hitch for being connected, and deformation occurs with the stress of hitch；Dynamometry
Part is connected with measuring circuit, and measuring circuit is for exporting the deformation of dynamometry part for electric signal.
In preferred embodiment of the invention, dynamometry part includes measurement piece and compensating plate, and measurement piece is used for along hitch
Impact direction setting, compensating plate are vertically arranged with measurement piece；Measuring circuit is full bridge measurement circuit.Compensating plate is for offsetting environment
The deformation for the coupler force that factor generates, so that measurement result is more accurate.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
In use, hitch to be calibrated is mounted on coupler seat, external force is applied by force-applying piece, is applied on hitch,
Device for measuring force is sticked on the surface of hitch, can be corresponding with the electric signal of output by the stress of hitch, thus obtain completing calibration,
Be conducive to the stress for relatively accurately converting the electric signal of actual measurement to 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
Please refer to Fig. 1-Fig. 7.The embodiment of the invention provides a kind of railway vehicle coupler power static demarcating testing stand, packets
Include 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.The X in a second direction of hydraulic cylinder is arranged, i.e. the length direction of hydraulic cylinder and second
Direction X is consistent.
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 the size of drag hook power, by changing
With the rotating member 133 of the ratio between the first pivoted arm and the second arm length not etc..
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 testing stand provided by the invention is when being used to measure coupler force, measurement method
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 testing stand characterized by comprising
Matrix；
Force-applying piece, described force-applying piece one end are fixedly linked with described matrix；
Coupler seat, the coupler seat are fixedly arranged in described matrix, the coupler seat be equipped with mounting portion, the mounting portion be used for
Hitch is detachably connected；
With power transmission component, the force-applying piece other end is connected with power transmission component one end, and the power transmission component other end is used for
It is connected with hitch.
2. railway vehicle coupler power static demarcating testing stand according to claim 1, which is characterized in that the power transmission component
Including rotating member, the rotating member is rotatably installed in described matrix；
Described rotating member one end is connected with the force-applying piece, and the rotating member other end with the hitch for being connected.
3. railway vehicle coupler power static demarcating testing stand according to claim 2, which is characterized in that the power transmission component
It further include the first connector and the second connector；
The rotating member is connected with the force-applying piece by first connector；
Connection ring is formed on second connector, second connector is for connecting the rotating member and the hitch.
4. railway vehicle coupler power static demarcating testing stand according to claim 3, which is characterized in that on the rotating member
Equipped with the first connecting hole, the second connecting hole and third connecting hole, first connecting hole is used to be connected with first connector,
Second connecting hole for being connected with second connector, the third connecting hole for described matrix rotationally phase
Even.
5. railway vehicle coupler power static demarcating testing stand according to claim 3, which is characterized in that shape in described matrix
At accommodating space and mounting platform, the accommodating space and the mounting platform are arranged in a first direction；
The force-applying piece is set in the accommodating space, and the coupler seat is set on the mounting platform；
The force-applying piece is set to the end of described matrix for output action power in a second direction, the rotating member；
The first direction and the second direction are in the setting of angle.
6. railway vehicle coupler power static demarcating testing stand according to claim 5, which is characterized in that the accommodating space
In be equipped with the first support plate and the second support plate, first support plate and second support plate are in be positioned apart from；
First support plate is connected with the force-applying piece, and second support plate is connected with the force-applying piece.
7. railway vehicle coupler power static demarcating testing stand according to claim 1, which is characterized in that further include installation
Part, the coupler seat are equipped with mounting hole, and the installation part is adapted to the mounting hole.
8. railway vehicle coupler power static demarcating testing stand according to claim 1, which is characterized in that the force-applying piece packet
Include hydraulic cylinder.
9. railway vehicle coupler power static demarcating testing stand according to claim 1, which is characterized in that further include dynamometry group
Part, the dynamometry component include dynamometry part and measuring circuit；
The dynamometry part with hitch for being connected, and deformation occurs with the stress of hitch；
The dynamometry part is connected with the measuring circuit, and the measuring circuit is for exporting the deformation of dynamometry part for electric signal.
10. railway vehicle coupler power static demarcating testing stand according to claim 9, which is characterized in that the dynamometry part
Including measurement piece and compensating plate, the measurement piece is used to be arranged along the Impact direction of hitch, the compensating plate and the measurement piece
It is vertically arranged；
The measuring circuit is full bridge measurement circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910641012.5A CN110307933B (en) | 2019-07-16 | 2019-07-16 | Static calibration test bed for coupler force of railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910641012.5A CN110307933B (en) | 2019-07-16 | 2019-07-16 | Static calibration test bed for coupler force of railway vehicle |
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| CN110307933A true CN110307933A (en) | 2019-10-08 |
| CN110307933B CN110307933B (en) | 2024-03-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793603A (en) * | 2019-10-31 | 2020-02-14 | 中南大学 | Combined bridge type coupler multi-element multi-directional load measuring system and decoupling method |
| CN112731898A (en) * | 2021-03-30 | 2021-04-30 | 西南交通大学 | Indoor full-size test bed for evaluating active suspension control performance of bogie |
| CN115130701A (en) * | 2022-08-30 | 2022-09-30 | 长沙润伟机电科技有限责任公司 | Locomotive coupler force monitoring method |
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| CN112731898A (en) * | 2021-03-30 | 2021-04-30 | 西南交通大学 | Indoor full-size test bed for evaluating active suspension control performance of bogie |
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