CN113804467A - Dynamic cable wiring testing device for railway vehicle - Google Patents
Dynamic cable wiring testing device for railway vehicle Download PDFInfo
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- CN113804467A CN113804467A CN202010551396.4A CN202010551396A CN113804467A CN 113804467 A CN113804467 A CN 113804467A CN 202010551396 A CN202010551396 A CN 202010551396A CN 113804467 A CN113804467 A CN 113804467A
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- 238000012360 testing method Methods 0.000 title claims abstract description 81
- 238000013461 design Methods 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 11
- 238000009661 fatigue test Methods 0.000 abstract description 10
- 230000033001 locomotion Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000003137 locomotive effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- 238000013024 troubleshooting Methods 0.000 description 1
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- 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
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Abstract
The invention relates to the technical field of locomotive engineering, in particular to a dynamic cable wiring testing device for a rail vehicle, which comprises a guide base, a bogie and a vehicle body, wherein the vehicle body is connected above the bogie through a dynamic cable; the device also comprises a turntable, wherein a first testing assembly is arranged on the turntable, and the bogie moves in the horizontal direction through the first testing assembly and is connected to the turntable; a second testing component is arranged on the guide base and drives the turntable to move in the vertical direction; the vehicle body and the turntable are movably connected to the guide base; the invention can observe the relative relation between the dynamic cable and the bogie and the vehicle body in the moving process by the relative movement of the bogie and the vehicle body, can perform fatigue test of bogie wiring, find problems and optimize the technical indexes such as the installation position, the installation length and the like of the dynamic cable in time.
Description
Technical Field
The invention relates to the technical field of locomotive engineering, in particular to a dynamic cable wiring testing device for a railway vehicle.
Background
When the railway vehicle travels, the bogie and the vehicle body move relatively, and a cable connecting the bogie and the vehicle body also moves along with the bogie and the vehicle body, so that the cable is called as a dynamic cable; the dynamic cable arranged on the bogie can be abraded with the vehicle body in the moving process of the bogie, or the dynamic cable is contacted with the vehicle body and even the wheel set due to unreasonable installation position and design length, so that safety accidents or abrasion are very likely to happen. Therefore, dynamic cables have attracted a high attention from rail vehicle manufacturers.
In the prior art, only one device can be used for testing the design structure of the dynamic cable, and papers and patents are published. From 'technology and market' in 5 th year 2017, an adjustable device for dynamic cable wiring is disclosed, and an invention patent with the publication number of CN201410736908.9 discloses a dynamic cable wiring testing device for urban rail vehicles. Among them are the disadvantages of at least:
1. the operation process needs manual mechanical adjustment distance and angle, has great error, and degree of automation is low, inefficiency.
2. The bogie wiring fatigue test device cannot continuously swing, float and sink, cannot realize dynamic simulation and cannot realize bogie wiring fatigue test.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a railway vehicle dynamic cable wiring test device capable of performing an automated test and a fatigue test on a dynamic cable wiring design of a railway vehicle bogie.
In order to solve the technical problems, the invention adopts the technical scheme that:
a dynamic cable wiring testing device for a railway vehicle comprises a guide base, a bogie and a vehicle body, wherein the vehicle body is connected above the bogie through a dynamic cable;
the device also comprises a turntable, wherein a first testing assembly is arranged on the turntable, and the bogie moves in the horizontal direction through the first testing assembly and is connected to the turntable;
a second testing component is arranged on the guide base and drives the turntable to move in the vertical direction;
the vehicle body and the turntable are movably connected to the guide base.
The invention has the beneficial effects that: the device can observe the relative relation between the dynamic cable and the bogie and the vehicle body in the movement process by the relative movement of the bogie and the vehicle body, can perform fatigue test of bogie wiring, find problems and optimize technical indexes such as the installation position, the installation length and the like of the dynamic cable in time; the dynamic cable routing test device is close to various parameters of the railway vehicle during operation as much as possible, the reduction degree of the bogie and the vehicle body can be improved, and the reliability of the dynamic cable routing test device of the railway vehicle and the reliability of a test result are improved to a certain degree.
Drawings
FIG. 1 is a schematic view of a railway vehicle dynamic cabling testing arrangement in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a turntable of a dynamic cable routing test device for a railway vehicle according to an embodiment of the present invention;
FIG. 3 is a partially disassembled schematic view of a railway vehicle dynamic cabling testing device in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged view of FIG. 3;
FIG. 5 is a schematic view of a shuttle of a railway vehicle dynamic cabling testing arrangement in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of a leveling support of a railway vehicle dynamic cabling testing device in accordance with an embodiment of the present invention;
FIG. 7 is a first angled view of a cable attachment clip of a rail vehicle dynamic cabling testing arrangement in accordance with an embodiment of the present invention;
FIG. 8 is a second angled view of a cable attachment clip of a railway vehicle dynamic cabling testing arrangement in accordance with an embodiment of the present invention;
description of reference numerals: 1. a guide base; 11. leveling the support; 12. a foot cup; 2. a bogie; 21. a roller plate; 3. a vehicle body; 4. a turntable; 41. a first driving member; 42. testing the track; 43. a first connecting member; 44. a second connecting member; 45. an output shaft; 46. a second driving member; 47. a crankshaft; 48. a third connecting member; 5. limiting a guide rail; 6. a reciprocating member; 7. a cable connecting clip; 71. adsorbing the gauge stand; 72. a rotating base; 73. an adjusting seat; 74. a pipe clamp.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 8, a dynamic cable routing test device for a railway vehicle includes a guide base 1, a bogie 2 and a vehicle body 3, wherein the vehicle body 3 is connected above the bogie 2 through a dynamic cable;
the device also comprises a turntable 4, wherein a first testing component is arranged on the turntable 4, and the bogie 2 moves in the horizontal direction through the first testing component and is connected to the turntable 4;
a second testing component is arranged on the guide base 1 and drives the turntable 4 to move in the vertical direction;
the vehicle body 3 and the rotary table 4 are movably connected to the guide base 1.
According to the description, the distance and the angle can be adjusted in a test process without manual mechanical adjustment through the arrangement of the first test assembly, and the adjustment is carried out in an electric control mode, so that the problems of large error and low efficiency in the traditional manual adjustment are solved; meanwhile, the first testing component and the second testing component can continuously swing and float, dynamic simulation is achieved, and fatigue test of bogie 2 wiring is achieved.
Further, the first testing assembly comprises a first driving member 41, and the first driving member 41 drives the bogie 2 to move on the turntable 4 along the horizontal direction.
Furthermore, a testing track 42 is arranged on one surface of the turntable 4 facing the bogie 2, and a limiting sliding body matched with the testing track 42 is arranged at the bottom of the bogie 2;
the first driving member 41 comprises an output shaft 45, the first testing assembly comprises a first connecting member 43 and a second connecting member 44, one end of the first connecting member 43 is fixedly connected with the output shaft 45, and the other end of the first connecting member 43 is rotatably connected with the bogie 2 through the second connecting member 44.
As can be seen from the above description, the first connecting member 43 and the second connecting member 44 can cooperate with the first driving member 41 to perform the reciprocating swing motion of the bogie 2 along the test track 42 on the horizontal plane, thereby facilitating the wiring test and the fatigue test.
Further, the limiting sliding body comprises a roller plate 21 and a plurality of first limiting rollers, the first limiting rollers are rotatably connected to the roller plate 21, and the limiting sliding body is clamped on the test track 42 through the plurality of first limiting rollers.
From the above description, the limit sliding body is clamped on the test track 42 through the plurality of first limit rollers, so that a connection relationship can be formed, and the stability of the test is ensured.
Further, the second testing assembly comprises a second driving member 46, a crankshaft 47 and a third connecting member 48, wherein the second driving member 46 drives the crankshaft 47 to rotate; one end of the third connecting piece 48 is rotatably connected to the crankshaft 47, and the other end is rotatably connected to the turntable 4.
From the above description, the second driving member 46 is adopted to drive the crankshaft 47 to realize high-frequency reciprocating motion, which is beneficial to improving the overall service life of the device, and the advantages and disadvantages between the size and the frequency of the second driving member 46 are fully integrated, and the optimal solution is obtained through the optimization design to determine the design parameters of the driving part; after the installation position and the installation length of the bogie 2 wiring are determined, the device can simultaneously carry out swinging and floating high-frequency reciprocating motion, and the fatigue test of the bogie 2 wiring is completed.
Further, a plurality of reciprocating pieces 6 are arranged on the guide base 1, and the reciprocating pieces 6 drive the vehicle body 3 to move in the vertical direction.
From the above description, through the accurate lifting height who simulates 3 bottoms of automobile body of setting up of reciprocating member 6, can realize the high free regulation of different vehicle bottoms of different motorcycle types.
Further, the rail vehicle dynamic cabling testing device further comprises a control system, and the control system controls the operation of the first driving member 41, the second driving member 46 and the reciprocating member 6.
From the above description, control system comprises industrial computer, PLC and the operation servo driver who corresponds with first driving piece 41, second driving piece 46, reciprocating member 6, and wherein the servo motor who corresponds with reciprocating member 6 is used for realizing the lift of reciprocating member 6, adopts closed-loop control, and the lifting height of 3 bottoms of accurate control simulation automobile body can realize the high free regulation in the different vehicle bottoms of different motorcycle types, installs limit switch on reciprocating member 6, can effectively prevent electric putter overtravel phenomenon.
Furthermore, a plurality of vertical limiting guide rails 5 are arranged on the guide base 1, and second limiting idler wheels matched with the limiting rails are respectively arranged on the vehicle body 3 and the turntable 4.
As can be seen from the above description, the vehicle body 3 and the turntable 4 can be restrained by the arrangement of the second restraining roller and the restraining rail 5, while not interfering with the upward movement in the vertical direction when the test is performed in the vertical direction.
Further, the bogie 2 is designed by adopting a truss structure.
From the above description, it can be known that the truss structure design can be combined with different modules, and the requirement of replacement can be met during different vehicle type tests.
Further, be provided with cable joint clamp 7 on bogie 2, cable joint clamp 7 is including adsorbing gauge stand 71, roating seat 72, adjusting seat 73 and being used for pressing from both sides the pipe clamp 74 of pressing from both sides tight dynamic cable, pipe clamp 74 swivelling joint is on adjusting seat 73, be provided with first connecting hole and arc hole on adjusting seat 73, set up second connecting hole and regulation hole on the roating seat 72, first connecting hole and second connecting hole position are relative, arc hole and regulation hole position are relative, adjust seat 73 through first connecting hole and first connecting hole, arc hole and adjust the cooperation between the hole on connecting roating seat 72, roating seat 72 rotates to be connected on adsorbing gauge stand 71, it connects on bogie 2 to adsorb gauge stand 71.
From the above description, the cable connecting clamp 7 adopts the form of the adsorption gauge stand 71 to facilitate the position exchange, so as to facilitate the test adjustment, and the further pipe clamp 74 can move in the height and angle directions through the rotating base 72 and the adjusting base 73, so as to achieve the adjustment of 5 degrees of freedom.
Further, a limit switch is arranged on the reciprocating member 6.
As can be seen from the above description, the over travel phenomenon of the reciprocating member 6 can be effectively prevented by the setting of the limit switch.
Furthermore, a plurality of leveling supports 11 and a plurality of foot cups 12 are arranged on the lower surface of the guide base 1.
The device can observe the relative relation between the dynamic cable and the bogie 2 and the vehicle body 3 in the movement process by the relative movement of the bogie 2 and the vehicle body 3, can perform fatigue test of the bogie 2 wiring, find problems and optimize the technical indexes such as the installation position, the installation length and the like of the dynamic cable in time; the dynamic cable routing test device is close to various parameters of the railway vehicle during operation as much as possible, the reduction degree of the bogie 2 and the vehicle body 3 can be improved, and the reliability of the dynamic cable routing test device of the railway vehicle and the reliability of a test result are improved to a certain degree.
Examples
A dynamic cable wiring testing device for a railway vehicle comprises a guide base, a bogie and a vehicle body, wherein the vehicle body is connected above the bogie through a dynamic cable;
the device also comprises a turntable, wherein a first testing assembly is arranged on the turntable, and the bogie moves in the horizontal direction through the first testing assembly and is connected to the turntable;
a second testing component is arranged on the guide base and drives the turntable to move in the vertical direction;
the vehicle body and the turntable are movably connected to the guide base.
The first testing assembly comprises a first driving piece, and the first driving piece drives the bogie to move on the turntable along the horizontal direction.
A test track is arranged on one surface of the turntable, which faces the bogie, and a limiting sliding body matched with the test track is arranged at the bottom of the bogie;
the first driving piece comprises an output shaft, the first testing assembly comprises a first connecting piece and a second connecting piece, one end of the first connecting piece is fixedly connected with the output shaft, and the other end of the first connecting piece is rotatably connected with the bogie through the second connecting piece. The first driving piece is a servo motor.
The limiting sliding body comprises a roller plate and a plurality of first limiting rollers, the first limiting rollers are rotatably connected to the roller plate, and the limiting sliding body is clamped on the test track through the plurality of first limiting rollers.
The second testing assembly comprises a second driving piece, a crankshaft and a third connecting piece, and the second driving piece drives the crankshaft to rotate; one end of the third connecting piece is rotatably connected to the crankshaft, and the other end of the third connecting piece is rotatably connected to the rotary table. The second driving piece is a servo motor.
The guide base is provided with two reciprocating pieces, the reciprocating pieces drive the vehicle body to move in the vertical direction, and the reciprocating pieces are provided with limit switches. The reciprocating member is an electric cylinder.
The rail vehicle dynamic cable wiring testing device further comprises a control system, and the control system controls the first driving piece, the second driving piece and the reciprocating piece to run.
The industrial personal computer runs wincc, communicates with the PLC, and can control the lifting height of the platform at the bottom of the vehicle body, the floating range of the bogie and the swing angle through upper software. And the requirements of height and angle can be met by the desktop button of the industrial personal computer under the condition of switching to a manual mode, so that the technical indexes such as the installation position, the installation length and the like of the bogie dynamic cable can be quickly designed. In the automatic mode, the lifting height, the floating times, the swinging times, the floating speed, the swinging speed, the floating height and the swinging angle are input, and the fatigue test of the bogie wiring can be automatically carried out. Meanwhile, on a human-computer interaction interface of the industrial personal computer, an alarm mechanism is arranged for monitoring the operation effect of the device driving mechanism, and when any moving axis fails, a fault code is displayed on the upper computer and is processed quickly.
PLC and servo motor pass through IO and control, carry out each axle zero point before the experiment and reset the back, can carry out accurate position control to first driving piece, second driving piece, reciprocating member through the pulse, the reciprocating member has two and subtend settings, and in order to guarantee that the reciprocating member of both sides is synchronous, on program control, constantly to the displacement volume of controlling two reciprocating members carry out the time calibration, consider emergency simultaneously, with servo fault signal and report floodgate chain, arbitrary one servo fault appears, then all motors report the floodgate, guarantee equipment and personnel safety, after carrying out the troubleshooting, system automatic re-setting.
The floating height and the swing angle are output after being strictly calculated according to a system transmission ratio, closed-loop control is adopted in a program, firstly, the pulse number and the direction which need to be sent to the first driving piece and the second driving piece are calculated through the input angle and height values and sent to the corresponding servo drivers, and meanwhile, when the first driving piece and the second driving piece work, pulses can be fed back to the corresponding servo drivers, so that the output pulse number is the same as the actual pulse number, and the strict angle and height control is guaranteed.
Four vertical limiting guide rails are arranged on the guide base, two of the four vertical limiting guide rails correspond to the vehicle body, and the other two vertical limiting guide rails correspond to the rotary table; and second limiting idler wheels matched with the limiting rails are respectively arranged on the vehicle body and the turntable.
The bogie is designed by adopting a truss structure.
Be provided with the cable joint clamp on the bogie, the cable joint clamp is including adsorbing gauge stand, roating seat, regulation seat and being used for pressing from both sides the pipe clamp of tight dynamic cable, pipe clamp swivelling joint is on adjusting the seat, be provided with first connecting hole and arc hole on adjusting the seat, set up second connecting hole and regulation hole on the roating seat, first connecting hole and second connecting hole position are relative, arc hole and regulation hole position are relative, adjust the seat through first connecting hole and first connecting hole, arc hole and adjust on the cooperation connection roating seat between the hole, the roating seat rotates to be connected on adsorbing the gauge stand, it connects on the bogie to adsorb the gauge stand.
The lower surface of the guide base is provided with a plurality of leveling supports and a plurality of foot cups.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A dynamic cable wiring testing device for a railway vehicle comprises a guide base, a bogie and a vehicle body, wherein the vehicle body is connected above the bogie through a dynamic cable; it is characterized in that the preparation method is characterized in that,
the device also comprises a turntable, wherein a first testing assembly is arranged on the turntable, and the bogie moves in the horizontal direction through the first testing assembly and is connected to the turntable;
a second testing component is arranged on the guide base and drives the turntable to move in the vertical direction;
the vehicle body and the turntable are movably connected to the guide base.
2. The railway vehicle dynamic cabling testing apparatus of claim 1, wherein the first testing assembly comprises a first drive member that moves the bogie in a horizontal direction on the turntable.
3. The railway vehicle dynamic cable routing testing device as claimed in claim 2, wherein a testing track is arranged on one surface of the turntable facing the bogie, and a limiting sliding body matched with the testing track is arranged at the bottom of the bogie;
the first driving piece comprises an output shaft, the first testing assembly comprises a first connecting piece and a second connecting piece, one end of the first connecting piece is fixedly connected with the output shaft, and the other end of the first connecting piece is rotatably connected with the bogie through the second connecting piece.
4. The rail vehicle dynamic cabling testing device of claim 3, wherein the limiting slider comprises a roller plate and a plurality of first limiting rollers, the first limiting rollers are rotatably connected to the roller plate, and the limiting slider is clamped on the test rail by the plurality of first limiting rollers.
5. The rail vehicle dynamic cabling testing apparatus of claim 4, wherein the second testing assembly includes a second drive member, a crankshaft and a third link member, the second drive member rotating the crankshaft; one end of the third connecting piece is rotatably connected to the crankshaft, and the other end of the third connecting piece is rotatably connected to the rotary table.
6. The railway vehicle dynamic cabling testing device of claim 5, wherein the guide base is provided with a plurality of reciprocating members, and the reciprocating members drive the vehicle body to move in a vertical direction.
7. The rail vehicle dynamic cabling testing device of claim 6, further comprising a control system that controls operation of the first drive member, the second drive member, and the shuttle member.
8. The rail vehicle dynamic cable routing testing device of any one of claims 1 to 7, wherein a plurality of vertical limiting guide rails are arranged on the guiding base, and second limiting rollers matched with the limiting rails are respectively arranged on the vehicle body and the turntable.
9. The railway vehicle dynamic cabling testing apparatus of any of claims 1 to 7, wherein the truck is of a truss structural design.
10. The rail vehicle dynamic cable routing testing device according to any one of claims 1 to 7, wherein a cable connecting clamp is arranged on the bogie, the cable connecting clamp includes an adsorption gauge stand, a rotating base, an adjusting base and a pipe clamp for clamping a dynamic cable, the pipe clamp is rotatably connected to the adjusting base, a first connecting hole and an arc-shaped hole are arranged on the adjusting base, a second connecting hole and an adjusting hole are arranged on the rotating base, the first connecting hole and the second connecting hole are opposite in position, the arc-shaped hole and the adjusting hole are opposite in position, the adjusting base is connected to the rotating base through the first connecting hole and the first connecting hole, the arc-shaped hole and the adjusting hole in a matched manner, the rotating base is rotatably connected to the adsorption gauge stand, and the adsorption gauge stand is connected to the bogie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551396.4A CN113804467A (en) | 2020-06-17 | 2020-06-17 | Dynamic cable wiring testing device for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551396.4A CN113804467A (en) | 2020-06-17 | 2020-06-17 | Dynamic cable wiring testing device for railway vehicle |
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| Publication Number | Publication Date |
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| CN113804467A true CN113804467A (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010551396.4A Pending CN113804467A (en) | 2020-06-17 | 2020-06-17 | Dynamic cable wiring testing device for railway vehicle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561339A (en) * | 2009-05-31 | 2009-10-21 | 吉林大学 | System for dynamically detecting stiffness parameters of closed-loop diagonal-bracing type vehicle bogies |
| CN104458290A (en) * | 2014-12-05 | 2015-03-25 | 南车株洲电力机车有限公司 | Dynamic cable wiring testing device for urban rail vehicle |
| CN109100163A (en) * | 2018-09-11 | 2018-12-28 | 西南交通大学 | A kind of configuration in railroad truck dynamic debugging testing stand |
| CN111076953A (en) * | 2018-10-19 | 2020-04-28 | 中车唐山机车车辆有限公司 | Cable wiring test device between bogie and vehicle body |
-
2020
- 2020-06-17 CN CN202010551396.4A patent/CN113804467A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561339A (en) * | 2009-05-31 | 2009-10-21 | 吉林大学 | System for dynamically detecting stiffness parameters of closed-loop diagonal-bracing type vehicle bogies |
| CN104458290A (en) * | 2014-12-05 | 2015-03-25 | 南车株洲电力机车有限公司 | Dynamic cable wiring testing device for urban rail vehicle |
| CN109100163A (en) * | 2018-09-11 | 2018-12-28 | 西南交通大学 | A kind of configuration in railroad truck dynamic debugging testing stand |
| CN111076953A (en) * | 2018-10-19 | 2020-04-28 | 中车唐山机车车辆有限公司 | Cable wiring test device between bogie and vehicle body |
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Application publication date: 20211217 |
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