CN104237676B - Pantograph contact line relation testing stand - Google Patents
Pantograph contact line relation testing stand Download PDFInfo
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- CN104237676B CN104237676B CN201410410173.0A CN201410410173A CN104237676B CN 104237676 B CN104237676 B CN 104237676B CN 201410410173 A CN201410410173 A CN 201410410173A CN 104237676 B CN104237676 B CN 104237676B
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- pantograph
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- 238000005259 measurement Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 7
- 229910052753 mercury Inorganic materials 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000003137 locomotive Effects 0.000 abstract description 24
- 238000004088 simulation Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
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- 230000000694 effects Effects 0.000 description 5
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- 230000000630 rising Effects 0.000 description 3
- 241000271559 Dromaiidae Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
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- 230000001276 controlling effect Effects 0.000 description 1
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- 239000000498 cooling water Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009114 investigational therapy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
A kind of pantograph contact line relation testing stand, including contact line apparatus and pantograph device, contact line apparatus includes contacting line mounting bracket, contact line is fixed in contact line mounting bracket and contacts line has experiment power supply by current transmission device connection, contact line mounting bracket connects main drive, main drive is connected on lifting drive, lifting drive is installed on horizontally moving device, pantograph device includes pantograph, vibration table, vibration table driving means, measurement bracket, it is fixed on bottom pantograph on vibration table, vibration table is fixed in vibration table driving means, pantograph pan is positioned at below described contact line, measurement bracket is fixed in pantograph the position near described contact line, in described measurement bracket, sensor is installed, described sensor is connected to system control and data acquisition control system.Pantograph contact line relation testing stand of the present invention, can be with full-scope simulation electric locomotive pantograph contact line relation in actual moving process, and result of the test has more reference value.
Description
Technical field
The present invention relates to a kind of assay device, in particular relate to a kind of pantograph contact line relation testing stand.
Background technology
In electric railway, traction power have employed electric locomotive, and supply electric locomotive electric energy is that downline is arranged
Contact net, the contact net of electric railway is arranged along railway line, is supplied with a power transmission line the most special of electric locomotive electric energy
Road, every railway line overhead having station track, all it is disposed with contact net, for ensureing that locomotive stably takes stream, the contact on contact net
Line and carrier cable are all applied with certain tension force, and therefore contact net is the most tensioned effect the hugest, but also can transmit
The mechanical system of electric current.Producing fixed point abrasion between line and locomotive slide plate for preventing from contacting, contact line is arranged to " it " along orbit centre
Word shape.When motorcycle pantograph is along contact net high-speed motion, traction current enters into intra-locomotive through following approach, connects
Touch line → bow net contact point → locomotive slide plate → pantograph → intra-locomotive high-pressure system, above-mentioned approach is easiest to generation problem,
On road speed impact maximum for bow net contact point.Because bow net contact point is that the fixing contact net locomotive with movement is by electricity
Bending the contact in high-speed cruising of two systems, only reliable contacts locomotive could obtain stable traction current.But between bow net
High-speed slide contact not only by contact net, but also by the joint effect of locomotive, especially when high speed, bow, net contact point shake
Dynamic aggravation, reliable contacts is more difficult.Disconnected when if pantograph and contact net connect when contact point constantly occurs, i.e. off-line phenomenon
Seriously, locomotive speed will be limited to improve further.The most how to guarantee by stream stable, need bow, two systems of net are entered
Row further investigation, one of means of research build laboratory table exactly, and in laboratory table, the various operating mode of simulation repeatedly is tested,
And then find optimal bow net coordinated scheme, here it is build the purpose of bow net testing stand.
Use simulation pantograph during existing bow net bench run, and simulate pantograph for fixed installation, it is impossible to mould
Intend the vibration of vehicle during actual high-speed cruising, and the elasticity of contact net in actual condition cannot be simulated by the mechanism installing contact line,
Thus cause the relation that existing bow net testing stand cannot be really true to life in simulation locomotive actual moving process between bow net, examination
The reference value testing data is little；It addition, the speed of service of the existing the highest simulation of bow net testing stand is 500 kilometers/hour, reach
Less than requirement at a high speed.
Summary of the invention
It is an object of the invention to provide a kind of pantograph contact line relation testing stand, it can be with full-scope simulation electric locomotive in actual moving process
In pantograph contact line relation, make result of the test have more reference value.
To achieve these goals, the technical solution of the present invention is: a kind of pantograph contact line relation testing stand, including contact line apparatus
And pantograph device, contact line apparatus includes contacting line mounting bracket, and contact line is fixed in contact line mounting bracket and contacts
Line is connected by current transmission device experiment power supply, and contact line mounting bracket connects main drive, and main drive connects
On lifting drive, lifting drive is installed on horizontally moving device, pantograph device include pantograph, vibration table,
Vibration table driving means, measurement bracket, pantograph top is provided with pantograph pan, is fixed on vibration table, shakes bottom pantograph
Dynamic platform is fixed in vibration table driving means, and pantograph pan is positioned at below described contact line, and measurement bracket is fixed in pantograph
Near the position of described contact line, described measurement bracket being provided with sensor, described sensor is connected to system control and data
Acquisition control system.
Pantograph contact line relation testing stand of the present invention, wherein, described contact line mounting bracket is master, and master is discoid, described contact
Line is circular, and described contact line is fixed on described master lower surface near edge, and master can be under the drive of main drive
Rotate.
Pantograph contact line relation testing stand of the present invention, wherein, described main drive includes main shaft, main drive motor and main drive,
Described master is fixed on spindle top and is provided with insulating barrier between master and main shaft, and main drive motor is driven by main drive
Main axis, described current transmission device includes leading electric pole, mercury slip ring and conductive plate, and described main shaft is hollow axle, described
Leading electric pole is arranged in main shaft, and leading electric pole upper end connects master, lower end connects conductive plate, conduction by described mercury slip ring
Plate joint test power supply.
Pantograph contact line relation testing stand of the present invention, wherein, described lifting drive include rack sleeve, master lifting drive oil cylinder,
Contiguous block, contiguous block one end is fixed on described rack sleeve, the other end is articulated with the lifting of described master and drives the piston rod of oil cylinder
On, described main shaft is located in rack sleeve, is provided with bearing and main shaft and rack sleeve is the most mutual between main shaft and rack sleeve
Fixing.
Pantograph contact line relation testing stand of the present invention, wherein, described horizontally moving device includes pedestal, mainframe and horizontal drive apparatus,
Pedestal upper surface is provided with guide rail, and mainframe is connected on pedestal by guide rail, and described horizontal drive apparatus is horizontal reciprocating oil cylinder,
Horizontal reciprocating oil cylinder is fixed on pedestal, and the piston rod of horizontal reciprocating oil cylinder is fixed on described mainframe, described conductive plate, master
Driving the lifting of motor, master to drive oil cylinder to be both secured on mainframe, described rack sleeve side is connected to main by linear gear rack
In frame.
Pantograph contact line relation testing stand of the present invention, wherein, described main drive includes the motor skin being fixed on described main drive motor
Belt wheel, the spindle pulley being fixed on described main shaft and be arranged at the odontoid belt on motor pulley, spindle pulley.
Pantograph contact line relation testing stand of the present invention, wherein, described master is made up of aluminium alloy.
Pantograph contact line relation testing stand of the present invention, wherein, described system controls and data acquisition control system connection has display.
Pantograph contact line relation testing stand of the present invention, wherein, described sensor include temperature scanning instrument, laser thickness gauge, arc sensor,
Power gage frame and current/voltage sensor.
Pantograph contact line relation testing stand of the present invention, wherein, described vibration table driving means is vibration table oil cylinder, and described vibration table is fixed on
On the piston rod of vibration table oil cylinder.
After using such scheme, there is main drive owing to the contact line mounting bracket of pantograph contact line relation testing stand of the present invention connects,
Main drive is connected on lifting drive, and lifting drive is installed on horizontally moving device, and contact line is installed and propped up
Frame can lifting drive, horizontally moving device drive under in vertical direction and move in horizontal direction, truly simulate
The elasticity of contact net in actual condition, the vibration table driving means of pantograph device can drive pantograph to vibrate in vertical direction,
Improve and existing testing stand is simulated pantograph for fixed installation, it is impossible to the feelings of the vibration of vehicle when simulating actual high-speed cruising
Condition, can preferably reduce the duty of actual high speed bow net, can the actual moving process of accurate simulation electric locomotive, thus
Test data is made to have more reference value.
It addition, contact line mounting bracket is master, master is discoid, and master can rotate under the drive of main drive, logical
Cross the motion of the master simulation electric locomotive rotated, therefore can be with the higher electric locomotive of dry run speed, the fortune of the highest simulation
Line speed reaches 530 kilometers/hour, and the volume of whole testing stand is little, simple in construction.
It addition, master is made up of aluminium alloy, lightweight, inertia is little, it is simple to quickly to start or stop.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of pantograph contact line relation testing stand of the present invention.
Detailed description of the invention
As it is shown in figure 1, pantograph contact line relation testing stand of the present invention includes contacting line apparatus and pantograph device 02, contact line apparatus includes
Contact line mounting bracket and main frame 01, main frame 01 includes pedestal 11, mainframe 12, and pedestal 11, mainframe 12 are by steel plate
Being welded, pedestal 11 upper surface is provided with guide rail 111, and mainframe 12 is connected on pedestal 11 by guide rail 111, mainframe
12 connections have horizontal drive apparatus, and horizontal drive apparatus can promote mainframe 12 to move left and right along guide rail 111 opposite base 11,
Horizontal drive apparatus, mainframe 12, pedestal 11, guide rail 111 constitute horizontally moving device, and mainframe 12 is provided with main driving
Motor 181 and main drive, main drive motor 181 drives main shaft 14 to rotate by main drive, and main drive includes
The motor pulley 51, the spindle pulley 52 being fixed on main shaft 14 that are fixed on main drive motor 181 and be arranged at motor
Odontoid belt on belt pulley 51, spindle pulley 52, main shaft 14, main drive motor 181, main drive constitute main driving
Dynamic device, main shaft 14 top has been bolted contact line mounting bracket, and contact line mounting bracket is master 16, master
Be provided with insulating barrier between 16 and main shaft 14, master 16 for aluminium alloy make discoid, diameter 4 meters, master 16 following table
Edge, face is provided with circular contact line, and main shaft 14 is hollow axle, is provided with leading electric pole 15, and leading electric pole 15 in main shaft 14
Upper end connects master 16, lower end connects the turning end having mercury slip ring 17, and the fixing end connection of mercury slip ring 17 has conductive plate,
Conductive plate joint test power supply and conductive plate are fixed on mainframe 12, leading electric pole 15, mercury slip ring 17, conductive plate structure
Become current transmission device, be cased with rack sleeve 13, main shaft 14 and rack sleeve 13 outside main shaft 14 axially secured to each other, and main
Being provided with bearing between axle 14 and rack sleeve 13, rack sleeve 13 side is connected on mainframe 12 by linear gear rack, separately
Side is fixed with contiguous block 42, and mainframe 12 is provided with master lifting and drives oil cylinder 41, and the other end of contiguous block 42 is articulated with master
Dish lifting drives on the piston rod 43 of oil cylinder 41, and master lifting drives oil cylinder 41 can drive main shaft 14 phase by rack sleeve 13
Moving up and down mainframe 12, the lifting of rack sleeve 13, master drives oil cylinder 41, contiguous block 42 to constitute lifting drive,
Pantograph device 02 includes pantograph 21, vibration table 22, vibration table driving means, measurement bracket 24, pantograph 21 top
Being fixed with pantograph pan 211, be fixed on vibration table 22 bottom pantograph 21, vibration table 22 is connected to vibration table and drives dress
Putting, pantograph pan 211 is positioned at below contact line, when, after pantograph 21 rising bow, pantograph pan 211 connects with contacting line
Touch, measurement bracket 24 be fixed in pantograph near contact line position, measurement bracket 24 is provided with temperature scanning instrument, two
The sensors such as individual laser thickness gauge, arc sensor, power gage frame and current/voltage sensor, sensor is connected to system control
System and data acquisition control system, system controls and data acquisition control system is connected to video wall and shows.
Horizontal drive apparatus can be selected for hydraulic oil cylinder driving, and including horizontal reciprocating oil cylinder 31, horizontal reciprocating oil cylinder 31 is fixed on pedestal 11
On, the piston rod of horizontal reciprocating oil cylinder 31 is fixed on mainframe 12, and pedestal 11 fixes on the ground, horizontal reciprocating oil cylinder
The alternating force of the 31 round translations being subject to is directly transferred to ground, and additionally horizontal drive apparatus can also select air cylinder driven and gear teeth
Other type of drive such as bar driving.
Master lifting drives oil cylinder 41 can also be replaced by driving other type of drive such as cylinder and rack-and-pinion.
Vibration table driving means includes that vibration table drives oil cylinder 23, and vibration table drives oil cylinder 23 to be fixed in mounting foundation 231,
Mounting foundation 231 is fixed on ground, and vibration table 22 is fixed on the piston rod of vibration table oil cylinder 23.
During test, test current guides master 16 by leading electric pole 15, can simulate the load of separate unit locomotive, and electric current is to the maximum
1000A, master 16 has three degree of freedom, i.e. master 16 can rotate with main shaft 14 under the driving of main drive motor 181,
To obtain the test speed needed for test, the most also under the drive of lifting drive, with rack sleeve 13 vertically
Upper and lower motion on direction, to simulate rigid suspension OCS Uplifting amount under pantograph vertical force effect, master 16 also can be at water
Reciprocating translatory is made in the horizontal direction with mainframe 12, in order to simulating contact net stagger under the drive of flat driving means.Examination
The purpose testing the movement locus between each parts of platform and coordination is to the simulation of pantograph contact line relation in locomotive real line, therefore
There is quantitative incidence relation between the motion of each parts and true pantograph contact line relation on testing stand, be based on this, at testing stand
On simulation test just the most valuable, its corresponding relation is: master often revolves and turns around corresponding to one, the actual contact net of locomotive running gear
Span, master often revolves and turns around, and bow, the net contact point track on slide plate commutates once, corresponding locomotive running gear contact net one
Individual span, bow, the net contact point track on slide plate commutates once.Master often revolves to turn around needs upper and lower motion once, right
Answer one span of locomotive running gear contact net, contact line Uplifting amount one cycle of circulation etc., these transformation rates again with locomotive operation
Speed is relevant, the master rotary speed i.e. simulation of locomotive running speed, and pantograph is arranged on the vibration table 22 on main frame side,
Just touching the contact line at master 16 edge after pantograph rising bow, time static, the lateral pressure between bow net is exactly equal to true dynamic
Pressure between car group bow net.When doing experiment, pantograph on a vibration table under the effect of vibration table driving means according to EMUs
The frequency of pantograph and amplitude do vertical vibration, to simulate EMUs vibration of pantograph in motor process, pantograph rising bow
After touch the master of high speed rotating, and give the certain lateral pressure of master, test current is by the contact line on master, then warp
Cross bow net contact point, pantograph pan pantograph forms test loop.
Pantograph contact line relation test key step is as follows:
1. firing test controls and data acquisition control cabinet is to carry out the action of whole pilot system, measurement and sensing data etc.
Control and gather；
2. open the cooling water system of pantograph contact line relation testing stand, dust collecting and air cooling device, protection device for test provide experimental enviroment and
Safety precautions；
3. open 505.180 oil sources, give each actuator for hydraulic oil by the hydraulic oil pipeline in pilot system；
4. rise pantograph and the linear contact lay that contacts on master, form test loop；
5. according to test requirements document, to the rotary speed of master 16, the displacement up and down of master 16, the vibration table frequency of pantograph
The test parameterss such as rate amplitude and test current are set, and firing test drive system makes each assembly in pilot system join by test
Number runs；
6. utilize temperature scanning instrument, laser thickness gauge, current/voltage sensor, power gage frame and arc sensor etc. to slide plate
Contact line contact forces, temperature and electric arc, slide plate contacts the test datas such as line abrasion and measures, and by test data transmission
To controlling test and data acquisition control cabinet, finally treated test data and master speed, test current etc. are tested shape
State information is shown on video wall.
Pantograph contact line relation testing stand main experimental function of the present invention is as follows:
1. can carry out abrasivity test: including contacting the test of line mechanical, electrical wear hardness, use for electric locomotive Skateboard exercising apparatus, electric mill consume
Performance test；
2. can carry out between bow net and be tested by stream: include that contacting line, the slide plate friction dynamic temperature rise under electromechanical combination effect (connects
Contact), the contact dynamic temperature rise test of line, the dynamic temperature rise test of slide plate etc.；
3. can carry out part pantograph, contact net Dynamic performance examination: include dynamic touch pressure, level friction between bow, net
Power test, ratio of contact loss test (arc test) etc.；
4. can carry out the high-speed friction mechanism to mill storeroom and the research and experiment of influence factor.
Embodiment described above is only to be described the preferred embodiment of the present invention, not limits the scope of the present invention
Fixed, on the premise of designing spirit without departing from the present invention, technical scheme is made by this area ordinary skill technical staff
Various deformation and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (8)
1. a pantograph contact line relation testing stand, it is characterised in that: include contacting line apparatus and pantograph device (02), contact traditional thread binding
Putting and include contacting line mounting bracket, contact line is fixed in contact line mounting bracket and contacts line by electric current transmission dress
Putting connection has experiment power supply, contact line mounting bracket connection to have main drive, main drive to be connected to lifting driving
On device, lifting drive is installed on horizontally moving device, pantograph device (02) include pantograph (21),
Vibration table (22), vibration table driving means, measurement bracket (24), it is sliding that pantograph (21) top is provided with pantograph
Plate (211), is fixed on vibration table (22) bottom pantograph (21), and vibration table (22) is fixed on vibration table
In driving means, pantograph pan (211) is positioned at below described contact line, and measurement bracket (24) is fixed on by electricity
Near the position of described contact line on bow, described measurement bracket (24) being provided with sensor, described sensor connects
To system control and data acquisition control system, described contact line mounting bracket is master (16), and master (16) is
Discoid, described contact line is circular, and described contact line is fixed on described master (16) lower surface near edge,
Master (16) can rotate under the drive of main drive, and described main drive includes main shaft (14), main driving
Motor (181) and main drive, described master (16) is fixed on main shaft (14) top and master (16)
And between main shaft (14), it being provided with insulating barrier, main drive motor (181) drives main shaft (14) by main drive
Rotating, described current transmission device includes leading electric pole (15), mercury slip ring (17) and conductive plate, described main shaft
(14) being hollow axle, described leading electric pole (15) is arranged in main shaft (14), and leading electric pole (15) upper end is even
Connect master (16), lower end connects conductive plate, conductive plate joint test power supply by described mercury slip ring (17).
2. pantograph contact line relation testing stand as claimed in claim 1, it is characterised in that: described lifting drive includes rack sleeve
(13), master lifting drive oil cylinder (41), contiguous block (42), described master is fixed in contiguous block (42) one end
Shaft sleeve (13) is upper, the other end is articulated with the lifting of described master and drives on the piston rod (43) of oil cylinder (41), institute
State main shaft (14) to be located in rack sleeve (13), between main shaft (14) and rack sleeve (13), be provided with bearing also
And main shaft (14) and rack sleeve (13) axially secured to each other.
3. pantograph contact line relation testing stand as claimed in claim 2, it is characterised in that: described horizontally moving device include pedestal (11),
Mainframe (12) and horizontal drive apparatus, pedestal (11) upper surface is provided with guide rail (111), mainframe (12)
Being connected on pedestal (11) by guide rail (111), described horizontal drive apparatus is horizontal reciprocating oil cylinder (31),
Horizontal reciprocating oil cylinder (31) is fixed on pedestal (11), and the piston rod of horizontal reciprocating oil cylinder (31) is fixed on described
On mainframe (12), the lifting of described conductive plate, main drive motor (181), master drives oil cylinder (41) the most solid
On mainframe (12), described rack sleeve (13) side is connected on mainframe (12) by linear gear rack.
4. pantograph contact line relation testing stand as claimed in claim 3, it is characterised in that: described main drive includes being fixed on described
Motor pulley (51) on main drive motor (181), the spindle pulley being fixed on described main shaft (14)
And be arranged at the odontoid belt on motor pulley (51), spindle pulley (52) (52).
5. pantograph contact line relation testing stand as claimed in claim 4, it is characterised in that: described master (16) is made up of aluminium alloy.
6. pantograph contact line relation testing stand as claimed in claim 5, it is characterised in that: described system controls and data acquisition control system
System connection has display.
7. pantograph contact line relation testing stand as claimed in claim 6, it is characterised in that: described sensor includes temperature scanning instrument, swashs
Light calibrator, arc sensor, power gage frame and current/voltage sensor.
8. pantograph contact line relation testing stand as claimed in claim 7, it is characterised in that: described vibration table driving means is vibration table oil
Cylinder (23), described vibration table (22) is fixed on the piston rod of vibration table oil cylinder (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410173.0A CN104237676B (en) | 2014-08-20 | Pantograph contact line relation testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410173.0A CN104237676B (en) | 2014-08-20 | Pantograph contact line relation testing stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104237676A CN104237676A (en) | 2014-12-24 |
| CN104237676B true CN104237676B (en) | 2017-01-04 |
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|---|---|---|---|---|
| CN1776393A (en) * | 2004-11-16 | 2006-05-24 | 西南交通大学 | Bow net analogue test method and its special device |
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|---|---|---|---|---|
| CN1776393A (en) * | 2004-11-16 | 2006-05-24 | 西南交通大学 | Bow net analogue test method and its special device |
| CN101865962A (en) * | 2010-06-30 | 2010-10-20 | 福州大学 | Pantograph electrical life prediction and analysis system |
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| CN102830297A (en) * | 2012-07-19 | 2012-12-19 | 北京交通大学 | Dynamic off-line experimental device of bow net |
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| Title |
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| 高速铁路弓网电弧试验系统;王万岗 等;《铁道学报》;20120430;第34卷(第4期);第22-27页 * |
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Effective date of registration: 20161207 Address after: 100081 Beijing City, Haidian District Road No. 2 a Daliushu District Center 1 Building 9 layer Applicant after: Standards & Metrology Research Institute of China Academy of Railway Sciences Applicant after: CHINA RAILWAY INSPECTION AND CERTIFICATION CENTER Address before: 100081 Beijing City, Haidian District Road No. 2 a Daliushu District Center 1 Building 9 layer Applicant before: Standards & Metrology Research Institute of China Academy of Railway Sciences |
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