CN110346227A - A kind of experimental rig of electric railway dropper fatigue strength - Google Patents
A kind of experimental rig of electric railway dropper fatigue strength Download PDFInfo
- Publication number
- CN110346227A CN110346227A CN201910724625.5A CN201910724625A CN110346227A CN 110346227 A CN110346227 A CN 110346227A CN 201910724625 A CN201910724625 A CN 201910724625A CN 110346227 A CN110346227 A CN 110346227A
- Authority
- CN
- China
- Prior art keywords
- fixed
- fatigue strength
- experimental rig
- carrier cable
- bearing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electromagnetism (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of experimental rigs of electric railway dropper fatigue strength, including pedestal and rack fixed on the base, servo motor is provided on pedestal, eccentric driving is arranged in the output end of servo motor, the connecting bracket under the setting of the top of servo motor, lower connecting bracket is fixed on the sliding sleeve of vertical sliding linear guide by slide, vertical sliding linear guide is fixed on the rack, it is connected between slide and eccentric driving with connecting rod, being arranged side by side in the top of lower connecting bracket has multiple load measuring units, the lower end of the load measuring units is provided with carrier cable attachment base, carrier cable is fixed with below carrier cable attachment base.The device simulates the real work status of the dropper line on railway contact line completely, is more accurately tested dropper line by pressure sensor and displacement sensor, the requirement of iron target can be fully achieved, and test efficiency also greatly improves.
Description
Technical field
The present invention relates to the fatigue experimental devices that a kind of electrification railway contact net sets up equipment, more particularly to
A kind of experimental rig of electric railway dropper fatigue strength.
Background technique
In present electrification contact network, a copper alloy parallel with track is set up in the top of track
Contact line has a copper-alloy stranded conductor carrier cable, in copper alloy contact wire and copper-alloy stranded conductor above copper alloy contact wire
Between carrier cable will whether there is or not several droppers come it is supported and suspended, if dropper occur stranded or dropper on wire clamp and dropper line
Between loosen, will seriously affect the safety of train running, therefore, seem especially heavy to the fatigue strength test of dropper
It wants.The existing experimental rig that fatigue test is carried out to dropper is all horizontal checkout, is hung in one end of dropper with a counterweight
Simulate pulling force suffered by dropper, the pulling force of this experimental rig be it is fixed, hard draw power is generated to dropper, the variation of pulling force is
Fixed rather than oscillation, simulation use state is not severe enough, this and real use state are not inconsistent, therefore the data of test
Also just inaccurate, moreover, not having load cell in original test device, also the vibration just without dropper simulation status is bent
Line does not meet the requirement of iron target, and existing experimental rig once can only at most detect 3 dropper lines, low efficiency
Under.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of electrifications for simulating status use state
The experimental rig of railway dropper fatigue strength.
The present invention is achieved by the following technical solutions: a kind of experimental rig of electric railway dropper fatigue strength,
Including plinth and cube frame open frame fixed on the base, it is provided with crossbeam at the top of rack, is set on the pedestal
It is equipped with servo motor, the output end of servo motor is provided with eccentric driving, sets on the column of the upper methods, rack of servo motor
It is equipped with the lower connecting bracket of fixed contact line, lower connecting bracket is fixed on the sliding sleeve of vertical sliding linear guide by slide
On, vertical sliding linear guide is fixed on the rack, and is connected between the slide and the eccentric driving with connecting rod, in lower company
The top for connecing bracket is correspondingly arranged on multiple load measuring units side by side, and the load measuring units are fixed on connecting bracket
On, upper connecting bracket is fixed on the crossbeam by hanging/fixing rack body, and the lower end of the load measuring units, which is provided with, holds
Power rope attachment base is fixed with carrier cable below carrier cable attachment base, installs quilt between the carrier cable and the contact line
The dropper line of test.
In above scheme, the load measuring units include below the fixing seat being fixed in connecting bracket and fixing seat
Secured adjusted block, the bullet that briquetting guide post is provided between the fixing seat and secured adjusted block and is slided on briquetting guide post
Spring briquetting, is provided with force bearing plate guide post between spring lock block and secured adjusted block, and the force bearing plate guide post is from secured adjusted block
Lower end surface pass through and be fixed on the lower end surface of fixing seat, the force bearing plate slided up and down is provided on force bearing plate guide post, it is described
It is provided with spring between force bearing plate and spring lock block, load cell is provided between the force bearing plate and secured adjusted block, surveys
Force snesor is fixed on the upper surface of secured adjusted block, carrier cable attachment base is provided with below secured adjusted block is fixed on and hold
On power plate guide post.
In above scheme, displacement sensor, the movement on displacement sensor are additionally provided on the column side of the rack
It connects block and is fixedly connected by connecting rod with slide.
In above scheme, the servo motor is fixed on the base by motor support base.
In above scheme, the end face of the eccentric driving is provided with multiple connecting rod installations apart from rotation center Unequal distance
The lower end in hole, the connecting rod is mounted in connecting rod mounting hole by oscillating bearing and fixing axle.
In above scheme, buffer board is provided on the upper surface of the carrier cable attachment base.
In above scheme, the connecting rod is to adjustably adjust length.
The experimental rig of the electric railway dropper fatigue strength compared with prior art, the beneficial effect is that:
1. the device simulates the real work status of the dropper line on railway contact line completely, by pressure sensor and
Displacement sensor more accurately tests dropper line, and the requirement of iron target can be fully achieved.
2. the apparatus structure is simple, at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the experimental rig of electric railway dropper fatigue strength of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the enlarged view of part 6 in Fig. 2；
Fig. 4 is that part 14 rotates schematic diagram.
In figure: 1. pedestals, 2. racks, 3. crossbeams, 4. hanging/fixing rack bodies, 5. columns, 6. load measuring units, 7. is vertical
Sliding straight guide rail, 8. sliding sleeves, 9. slides, 10. lower connecting brackets, 11. connecting rods, 12. displacement sensors, 13. connecting rods, 14.
Eccentric driving, 15. servo motors, 16. motor support bases, 17. contact lines, 18. dropper lines, 19. carrier cables connect branch on 20.
Frame, 21. connecting rod mounting holes, 22. fixing seats, 23. spring lock blocks, 24. springs, 25. briquetting guide posts, 26. force bearing plate guide posts, 27.
Force bearing plate, 28. load cells, 29. secured adjusted blocks, 30. carrier cable attachment bases, 31. buffer boards.
Specific embodiment
Make with reference to the accompanying drawing with experimental rig of the specific embodiment to electric railway dropper fatigue strength of the present invention into
The description of one step:
Fig. 1 is the structural schematic diagram of the experimental rig of electric railway dropper fatigue strength of the present invention, and Fig. 2 is a left side of Fig. 1
View.In figure, the experimental rig of the electric railway dropper fatigue strength is stood including fixed on rectangular pedestal 1 and pedestal 1
Cube type rack 2, the top of rack 2 are provided with crossbeam 3, servo motor 15, servo motor 15 are provided on the pedestal 1
It is fixed on pedestal 1 by motor support base 16, the output end of servo motor 15 is provided with eccentric driving 14, in servo motor
The lower connecting bracket 10 of fixed contact line is provided on the column 5 of upper methods, rack, lower connecting bracket 10 is fixed on by slide 9
On the sliding sleeve 8 of vertical sliding linear guide 7, vertical sliding linear guide 7 is fixed on column 5, slide 9 and eccentric driving 14
Between with connecting rod 13 connect, the end face of eccentric driving 14 is provided with multiple connecting rod mounting holes apart from rotation center Unequal distance
21, the lower end of connecting rod 13 is mounted in connecting rod mounting hole by oscillating bearing and fixing axle, and connecting rod 13 is stretching for length adjustable
Contracting connecting rod.It is additionally provided with displacement sensor 12 on 5 side of column of rack, the shifting movable contact block on displacement sensor 12 passes through connection
Bar 11 is fixedly connected with slide 9.Load measuring units 6 there are six being correspondingly arranged side by side in the top of lower connecting bracket 10, load
Measuring unit 6 is fixed in connecting bracket 20, and upper connecting bracket 20 is fixed on crossbeam 3 by hanging/fixing rack body 4, load
The lower end of measuring unit 6 is provided with carrier cable attachment base 30, carrier cable 19 is fixed with below carrier cable attachment base 30, in load
It is installed between rope 19 and contact line 17 and is tested dropper line 18 on probation.
Fig. 3 is the enlarged view of load measuring units 6 in Fig. 2, and in figure, load measuring units 6 include being consolidated with two studs
The secured adjusted block 29 being scheduled below fixing seat 22 and fixing seat in the upper connecting bracket 20 of angle steel production, fixing seat 22 and solid
Both sides setting between locking nub of setting the tone 29 there are two briquetting guide post 25 and the spring lock block 23 that is slided on briquetting guide post 25,
Setting is there are two force bearing plate guide post 26 between spring lock block 23 and secured adjusted block 29, and force bearing plate guide post 26 is from secured adjusted block 29
Lower end surface be upward through secured adjusted block 29 and be fixed on the lower end surface of fixing seat 23, be provided on force bearing plate guide post 26
The force bearing plate 27 of lower slider, there are two spring 24, two positioning pins of spring 24 for setting between force bearing plate 27 and spring lock block 23
It is fixed on force bearing plate 27, load cell 28 is provided between force bearing plate 27 and secured adjusted block 29, load cell 28 is used
Screw is fixed on the upper surface of secured adjusted block 29, while also mutually being fixed with screw with force bearing plate, under secured adjusted block 29
Carrier cable attachment base 30 is arranged in face, and carrier cable attachment base 30 is screwed on force bearing plate guide post 26, carrier cable attachment base 30
Upper surface and secured adjusted block 29 between be provided with buffer board 31.
Fig. 4 is that part 14 rotates schematic diagram, and servo motor 15 drives eccentric driving 14 to rotate, driven by adjustable connecting-rod 13
Slide 9 and lower connecting bracket 10 pump, so that dropper contact line end is driven to pump, dropper
Line 18 drives carrier cable attachment base 30 to pump, and drives spring lock block 23 to move by force bearing plate guide post 26, spring
23 compressed spring 24 of briquetting, spring do damped vibration, drive dropper line to do continuous bending, power passes to load by spring
Plate 27, force bearing plate 27 presses load cell 28, the force-bearing situation of load cell the real time measure dropper, and exports in real time.
14 initial position of eccentric driving starts since the position L, and a constant frequency rotates, and frequency is adjustable, in motion process: from
For L point to A point, spring release, stress decays to minimum value from maximum value；From A point to H point, dropper be folded into as defined in most substantially
Degree；From H point to B point, from H to B, after spring release, still there is small size damped vibration from A to H in dropper bending release；From B point
L point, spring-compressed are moved to, spring stress is gradually increased to maximum value.
Such iterative motion can be detected out the actual loading situation of dropper line.
The device simulates the real work status of the dropper line on railway contact line completely, passes through pressure sensor and position
Displacement sensor more accurately tests dropper line, and the requirement of iron target can be fully achieved.Meanwhile the experimental rig can be with
It is primary that testing experiment is carried out to 6 droppers simultaneously, substantially increase test efficiency.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the method and technique content using the disclosure above make it is a little more
Equivalent embodiment that is dynamic or being modified to equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the present invention
Technical spirit any simple modification, equivalent change and modification to the above embodiments, still fall within technical solution of the present invention
In range.
Claims (7)
1. a kind of experimental rig of electric railway dropper fatigue strength, it is characterised in that: including solid on plinth and pedestal
Fixed cube frame open frame is provided with crossbeam at the top of rack, servo motor is provided on the pedestal, servo motor
Output end is provided with eccentric driving, and the lower connection of fixed contact line is provided on the column of the upper methods, rack of servo motor
Bracket, lower connecting bracket are fixed on the sliding sleeve of vertical sliding linear guide by slide, and vertical sliding linear guide is fixed on
It in rack, is connected between the slide and the eccentric driving with connecting rod, is correspondingly arranged side by side in the top of lower connecting bracket
There are multiple load measuring units, the load measuring units are fixed in connecting bracket, and upper connecting bracket is fixed by suspension
Frame body is fixed on the crossbeam, and the lower end of the load measuring units is provided with carrier cable attachment base, carrier cable attachment base
It is fixed with carrier cable below, is installed between the carrier cable and the contact line and is tested dropper line on probation.
2. a kind of experimental rig of electric railway dropper fatigue strength according to claim 1, it is characterised in that: described
Load measuring units include the secured adjusted block below the fixing seat and fixing seat being fixed in connecting bracket, the fixing seat
The spring lock block for being provided with briquetting guide post between secured adjusted block and being slided on briquetting guide post, in spring lock block and fixation
Force bearing plate guide post is provided between adjusting block, the force bearing plate guide post passes through from the lower end surface of secured adjusted block and is fixed on fixation
On the lower end surface of seat, it is provided with the force bearing plate slided up and down on force bearing plate guide post, is arranged between the force bearing plate and spring lock block
There is spring, load cell is provided between the force bearing plate and secured adjusted block, load cell is fixed on secured adjusted block
Upper surface on, carrier cable attachment base is provided with below secured adjusted block and is fixed on force bearing plate guide post.
3. a kind of experimental rig of electric railway dropper fatigue strength according to claim 1, it is characterised in that: described
It is additionally provided with displacement sensor on the column side of rack, the shifting movable contact block on displacement sensor is fixed by connecting rod and slide
Connection.
4. a kind of experimental rig of electric railway dropper fatigue strength according to claim 1, it is characterised in that: described
Servo motor is fixed on the base by motor support base.
5. a kind of experimental rig of electric railway dropper fatigue strength according to claim 1, it is characterised in that: described
The end face of eccentric driving is provided with multiple connecting rod mounting holes apart from rotation center Unequal distance, and the lower end of the connecting rod passes through pass
Bearings and fixing axle are mounted in connecting rod mounting hole.
6. a kind of experimental rig of electric railway dropper fatigue strength according to claim 1, it is characterised in that: described
Buffer board is provided on the upper surface of carrier cable attachment base.
7. a kind of experimental rig of electric railway dropper fatigue strength according to claim 1, it is characterised in that: described
Connecting rod is flexible length adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724625.5A CN110346227A (en) | 2019-08-07 | 2019-08-07 | A kind of experimental rig of electric railway dropper fatigue strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724625.5A CN110346227A (en) | 2019-08-07 | 2019-08-07 | A kind of experimental rig of electric railway dropper fatigue strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110346227A true CN110346227A (en) | 2019-10-18 |
Family
ID=68184197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910724625.5A Pending CN110346227A (en) | 2019-08-07 | 2019-08-07 | A kind of experimental rig of electric railway dropper fatigue strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110346227A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134738A1 (en) * | 2020-01-02 | 2021-07-08 | 西南交通大学 | Catenary dropper fatigue test device and method therefor |
| CN113532820A (en) * | 2021-06-24 | 2021-10-22 | 中国铁道科学研究院集团有限公司 | Hydraulic multichannel dropper vibration fatigue test device |
| CN116879077A (en) * | 2023-09-04 | 2023-10-13 | 中国铁建电气化局集团有限公司 | Integrated detection device for fatigue strength of electrified railway hanger |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150014588A (en) * | 2013-07-30 | 2015-02-09 | 한국철도기술연구원 | Apparatus for testing vibration fatigue life of electric railway dropper |
| JP2015058993A (en) * | 2013-09-17 | 2015-03-30 | カヤバ システム マシナリー株式会社 | Suspension mechanism |
| CN207570941U (en) * | 2017-10-31 | 2018-07-03 | 西南交通大学 | A kind of Contact Net's Suspension Chord fatigue experimental device |
| CN108279104A (en) * | 2018-02-11 | 2018-07-13 | 任兴堂 | Dropper vibration fatigue machine |
| CN109357958A (en) * | 2018-12-11 | 2019-02-19 | 西南交通大学 | A kind of high-speed railway touching net dropper bending fretting fatigue testing device |
| CN109556961A (en) * | 2018-12-17 | 2019-04-02 | 武汉大学 | A kind of binary channels dropper fatigue tester |
| CN109596330A (en) * | 2018-12-17 | 2019-04-09 | 武汉大学 | A kind of multichannel high iron catenary dropper fatigue experimental device |
| CN210604228U (en) * | 2019-08-07 | 2020-05-22 | 中法高速铁路技术(西安)有限公司 | Testing device for fatigue strength of electrified railway dropper |
-
2019
- 2019-08-07 CN CN201910724625.5A patent/CN110346227A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150014588A (en) * | 2013-07-30 | 2015-02-09 | 한국철도기술연구원 | Apparatus for testing vibration fatigue life of electric railway dropper |
| JP2015058993A (en) * | 2013-09-17 | 2015-03-30 | カヤバ システム マシナリー株式会社 | Suspension mechanism |
| CN207570941U (en) * | 2017-10-31 | 2018-07-03 | 西南交通大学 | A kind of Contact Net's Suspension Chord fatigue experimental device |
| CN108279104A (en) * | 2018-02-11 | 2018-07-13 | 任兴堂 | Dropper vibration fatigue machine |
| CN109357958A (en) * | 2018-12-11 | 2019-02-19 | 西南交通大学 | A kind of high-speed railway touching net dropper bending fretting fatigue testing device |
| CN109556961A (en) * | 2018-12-17 | 2019-04-02 | 武汉大学 | A kind of binary channels dropper fatigue tester |
| CN109596330A (en) * | 2018-12-17 | 2019-04-09 | 武汉大学 | A kind of multichannel high iron catenary dropper fatigue experimental device |
| CN210604228U (en) * | 2019-08-07 | 2020-05-22 | 中法高速铁路技术(西安)有限公司 | Testing device for fatigue strength of electrified railway dropper |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134738A1 (en) * | 2020-01-02 | 2021-07-08 | 西南交通大学 | Catenary dropper fatigue test device and method therefor |
| CN113532820A (en) * | 2021-06-24 | 2021-10-22 | 中国铁道科学研究院集团有限公司 | Hydraulic multichannel dropper vibration fatigue test device |
| CN113532820B (en) * | 2021-06-24 | 2023-12-01 | 中国铁道科学研究院集团有限公司 | Hydraulic multi-channel hanger vibration fatigue test device |
| CN116879077A (en) * | 2023-09-04 | 2023-10-13 | 中国铁建电气化局集团有限公司 | Integrated detection device for fatigue strength of electrified railway hanger |
| CN116879077B (en) * | 2023-09-04 | 2023-12-19 | 中国铁建电气化局集团有限公司 | Integrated detection device for fatigue strength of electrified railway hanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110346227A (en) | A kind of experimental rig of electric railway dropper fatigue strength | |
| CN107101821B (en) | Hanger fatigue testing machine | |
| CN100445713C (en) | Testing apparatus for high temperature, superconducting, magnetic suspension and dynamic performance and testing method with the same | |
| CN105243934B (en) | A kind of experiment device for teaching for intuitively changing force method | |
| CN109141857B (en) | Contact net hanger impact fatigue test tool and test method thereof | |
| CN103792056B (en) | A kind of microcomputer controls automotive seat and jolts wriggling testing stand | |
| CN109596330A (en) | A kind of multichannel high iron catenary dropper fatigue experimental device | |
| CN109556961A (en) | A kind of binary channels dropper fatigue tester | |
| CN111929014A (en) | Method and device for measuring vertical vibration of traction rope | |
| CN115077833A (en) | Contact net locator vibration fatigue test system | |
| CN110186746B (en) | Structure test loading device and test method for keeping lateral direction and axial direction vertical | |
| CN205158736U (en) | Teaching experiment device with force method visualize | |
| CN112129478B (en) | Flexible riser dynamic response experimental device under simulated dynamic boundary condition | |
| CN107655603B (en) | Intelligent detection system of power equipment and use method thereof | |
| CN211061620U (en) | Experimental device for high-speed train pantograph self-adaptation active control | |
| CN210604228U (en) | Testing device for fatigue strength of electrified railway dropper | |
| CN201130126Y (en) | Helical cable stretching compression force automatic test equipment | |
| CN209215110U (en) | A kind of experimental rig of the uniaxial tensile test suitable for viscoelastic material | |
| CN210091501U (en) | Demonstration device for demonstrating influence of slopes with different angles on tension | |
| CN107631865B (en) | intelligent test bed for power equipment | |
| CN107560873A (en) | Electric bicycle or electric motorcycle performance test platform seat closing device | |
| CN106840857B (en) | A kind of button test device | |
| CN212513304U (en) | Vertical vibration measuring device for traction rope | |
| CN210626023U (en) | Device for detecting rigid-flexible transition characteristic of overhead rigid contact network | |
| CN103398840A (en) | Fan blade fatigue loading and gravity compensation device and test method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |