CN203732365U - Experimental device for deformation failure of ballast railroad sleeper base system - Google Patents
Experimental device for deformation failure of ballast railroad sleeper base system Download PDFInfo
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- CN203732365U CN203732365U CN201420030518.5U CN201420030518U CN203732365U CN 203732365 U CN203732365 U CN 203732365U CN 201420030518 U CN201420030518 U CN 201420030518U CN 203732365 U CN203732365 U CN 203732365U
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- 241001669679 Eleotris Species 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000003245 coal Substances 0.000 claims description 12
- 239000012634 fragment Substances 0.000 claims description 12
- 239000004575 stone Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000001808 coupling effect Effects 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000009533 lab test Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model discloses an experimental device for deformation failure of a ballast railroad sleeper base system. A vertical actuator is arranged on four counter-force upright posts through a vertical positioning device above a steel railway ballast model, and one end of the vertical actuator is connected with an I-shaped beam; one end of a horizontal actuator is fixed on a reaction wall through a horizontal loading actuator fixing plate, and the other end of the horizontal actuator is connected with a horizontal positioning device by adopting a sliding guide rail; the horizontal positioning device is connected with the I-shaped beam through a horizontal connecting rod; the two actuators are respectively connected with a hydraulic oil source of a power system through a pipeline; the two actuators are respectively connected with a multi-channel control system through a circuit, so that synchronous or asynchronous coordinated dynamic loading of the two actuators is finished. A coupling effect of a horizontal load and a vertical load during train driving can be simulated in a laboratory test, and the experimental device is used for researching the sleeper subsidence problem under a high-cycle loading effect and the sleeper motion failure problem under the coupling effect of the vertical force and horizontal force of the wheeltrack.
Description
Technical field
The utility model relates to railway deformation experimental provision, and relating in particular to one has tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision.
Background technology
Along with the fast development of railway construction in China cause, improve Subgrade Construction Quality and seemed very important to adapt to Leap-forward Development of Railway.And the appearance of Line for Passenger Transportation, the design to traditional railway, construction and maintenance have proposed brand-new challenge more.Railway bed is the important component part of railway engineering.As earthen structure, railway bed is mainly made up of the following embankment of surface layer of subgrade bed, bottom layer of subgrade and bedding, and the sedimentation and deformation of roadbed is mainly that the stack of these a few part sedimentation and deformations produces.The built railway overwhelming majority of China is to have tiny fragments of stone, coal, etc. railway as main, thereby the effect that has tiny fragments of stone, coal, etc. railway bed to be subject to circulative accumulation load in long-term military service process produces accumulated deformation.In military service process, sleeper is subject to vertical load and level that train driving brings and causes track failure to the coupling of load from producing excessive displacement.So the accumulated deformation situation for Ballast track railway ballast layer under long service situation is difficult to carry out at the scene in detail comprehensively experimental test owing to can not destroying existing circuit roadbed, and the at present conventional banister chamber test of shop experiment can only be tested under simple vertical load, cannot simulate the impact to load (as hunting, train turning etc.) of level that more complicated train brings in advancing.
Summary of the invention
In order to overcome the single deficiency of traditional railway ballast experiment method load direction, the utility model provides one to have tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision, can in shop experiment, simulate the coupling to load of the vertical and level that causes in train driving process, the military service performance of research sleeper under bidirectional load coupling, and the rule of development that can carry out roadbed accumulated deformation under large cycle experimental simulation long service situation.
For achieving the above object, the technical solution adopted in the utility model is: one has tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision, and it comprises: steel railway ballast model casing, i-shaped beams, vertical actuator, level to actuator, positioning splint, level to locating device, counter-force column, level to loading actuator fixed head, level to high-pressure oil pipe, removable loading head, level to connecting link, the second line slideway, counter-force platform, vertical high-pressure oil pipe, the 3rd line slideway, wherein, described steel railway ballast model casing is placed between four counter-force columns, counter-force platform is fixed on four counter-force column tops, vertical actuator upper end is connected with counter-force platform, lower end is connected with the top of i-shaped beams, four ends of i-shaped beams are arranged on four counter-force columns by positioning splint, i-shaped beams is connected with removable loading head top, the side of removable loading head is connected to connecting link with level, level is connected by the 3rd line slideway to the front portion of locating device with level to the other end of connecting link, level is arranged on steel railway ballast model casing by the second line slideway to the bottom of locating device, rear portion is connected to the front portion of actuator with level, level is fixed on counter force wall to loading actuator fixed head by level to actuator rear portion, vertical actuator is connected with vertical high-pressure oil pipe, level is connected to high-pressure oil pipe with level to actuator.
Further, described i-shaped beams bottom is provided with the first line slideway, links together by the top of the first line slideway and removable loading head.
Further, described the first line slideway, the second line slideway and the 3rd line slideway are the structure of being combined with track with the draw-in groove of ball.
The beneficial effect that the utility model has compared with background technology is: by adopting removable loading head to coordinate vertical and level to locating device, can carry out separately vertical load loading and also can carry out vertical and the level synchronous or Asynchronous loading to bidirectional load, can simulate and more approach the suffered load form of true train railway bed in service, as situations such as hunting and train turnings, can complete the experimental simulation of the deformation failure problem of railway bed under the bidirectional load coupling of large cycle.
Brief description of the drawings
Fig. 1 is for there being tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision overall schematic;
Fig. 2 is for there being tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision side examination view;
Fig. 3 is A part partial enlarged drawing in Fig. 1;
Fig. 4 is B part partial enlarged drawing in Fig. 1;
Fig. 5 is C part partial enlarged drawing in Fig. 4;
In figure: steel railway ballast model casing 1, i-shaped beams 2, vertical actuator 3, level to actuator 4, positioning splint 5, level to locating device 6, counter-force column 7, level to loading actuator fixed head 8, level to high-pressure oil pipe 9, the first line slideway 10, removable loading head 11, level to connecting link 12, the second line slideway 13, counter-force platform 14, vertical high-pressure oil pipe 15, the 3rd line slideway 16, track 17, draw-in groove 18, ball 19.
Embodiment
The utility model has tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision to comprise: steel railway ballast model casing 1, i-shaped beams 2, vertical actuator 3, level to actuator 4, positioning splint 5, level to locating device 6, counter-force column 7, level to loading actuator fixed head 8, level to high-pressure oil pipe 9, the first line slideway 10, removable loading head 11, level to connecting link 12, the second line slideway 13, counter-force platform 14, vertical high-pressure oil pipe 15, the 3rd line slideway 16.
As shown in Figure 1, steel railway ballast model casing 1 is placed between conventional moving triaxial tester four counter-force columns 7 used, counter-force platform 14 is fixed on four counter-force column 7 tops, vertical actuator 3 upper ends and counter-force platform 14 are with bolts, lower end is connected with i-shaped beams 2 top bolts, i-shaped beams 2 four ends are arranged on four counter-force columns 7 by the positioning splint 5 with rail plate, i-shaped beams 2 is connected with removable loading head 11 tops, removable loading head 11 bottoms contact with the railway ballast rubble in steel railway ballast model casing 1, side and level are with bolts to connecting link 12, level is connected by the 3rd line slideway 16 to the front portion of locating device 6 with level to the other end of connecting link 12, level is arranged on steel railway ballast model casing 1 by the second line slideway 13 to the bottom of locating device 6, rear portion adopts ball pivot to be connected with level to the front portion of actuator 4, level is fixed on counter force wall to loading actuator fixed head 8 by level to actuator 4 rear portions, vertical actuator 3 is connected with power system hydraulic oil source by vertical high-pressure oil pipe 15, level is connected with power system hydraulic oil source to high-pressure oil pipe 9 by level to actuator 4, and complete the synchronous or asynchronous coordination dynamic load of two actuator nominal operation frequency 10Hz by Multi Channel Controller.
As shown in Figure 2, i-shaped beams 2 bottoms are provided with the first line slideway 10, top by the first line slideway 10 and removable loading head 11 links together, and when having ensured Plumb load and level to loading, level impact on vertical actuator 3 to load has been eliminated in effect.
As shown in Figure 3, i-shaped beams 2 four limbs ends are separately installed with the positioning splint 5 with rail plate, by the loading head prolonging direction that can ensure vertical actuator 3 be positioned on four counter-force columns 7 with positioning splint 5 after always along the direction perpendicular to 1 case top plane of steel die molding box.The interaction of four positioning splints 5 and counter-force column 7 is offset level that the first line slideway 10 passes to i-shaped beams 2 in loading procedure to friction force, thereby has protected vertical actuator 3.
As shown in Figure 4, level is arranged on the tank wall of steel die molding box 1 by the second line slideway 13 respectively to the bottom of locating device 6 both sides.Level can be slided by along continuous straight runs to locating device 6 on the second line slideway 13.Level is provided with the 3rd line slideway 16 to the front portion of locating device 6, be connected to connecting link 12 with level by this guide rail, thereby ensured that vertical 3 synchronize while loading removable loading head 11 with level to actuator 4 to affect at the vertical Shi Buhui of being subjected to displacement the load that level applies to actuator 4 be still along horizontal direction.
The structure of the line slideway (the first line slideway 10, the second line slideway 13, the 3rd line slideway 16) adopting in this device as shown in Figure 5, is all and adopts with the draw-in groove 18 of ball 19 and the mode of track 17 combinations.Bottom draw-in groove 18 and upper track 17 respectively mode with bolts are fixed on two parts that need to be connected in line slideway mode.
Claims (3)
1. one kind has tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision, it is characterized in that, it comprises: steel railway ballast model casing (1), i-shaped beams (2), vertical actuator (3), level is to actuator (4), positioning splint (5), level is to locating device (6), counter-force column (7), level is to loading actuator fixed head (8), level is to high-pressure oil pipe (9), removable loading head (11), level is to connecting link (12), the second line slideway (13), counter-force platform (1), vertical high-pressure oil pipe (15), the 3rd line slideway (16), wherein, described steel railway ballast model casing (1) is placed between four counter-force columns (7), counter-force platform (14) is fixed on four counter-force columns (7) top, vertical actuator (3) upper end is connected with counter-force platform (14), lower end is connected with the top of i-shaped beams (2), four ends of i-shaped beams (2) are arranged on four counter-force columns (7) by positioning splint (5), i-shaped beams (2) is connected with removable loading head (11) top, the side of removable loading head (11) is connected to connecting link (12) with level, level is connected by the 3rd line slideway (16) to the front portion of locating device (6) with level to the other end of connecting link (12), level is arranged on steel railway ballast model casing (1) by the second line slideway (13) to the bottom of locating device (6), rear portion is connected to the front portion of actuator (4) with level, level is fixed on counter force wall to loading actuator fixed head (8) by level to actuator (4) rear portion, vertical actuator (3) is connected with vertical high-pressure oil pipe (15), level is connected to high-pressure oil pipe (9) with level to actuator (4).
2. according to there being tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision described in claim (1), it is characterized in that, described i-shaped beams (2) bottom is provided with the first line slideway (10), and i-shaped beams (2) links together by the top of the first line slideway (10) and removable loading head (11).
3. according to there being tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision described in claim 1 or 2, it is characterized in that, described the first line slideway (10), the second line slideway (13) and the 3rd line slideway (16) are with the draw-in groove (18) of ball (19) and the structure of track (17) combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030518.5U CN203732365U (en) | 2014-01-18 | 2014-01-18 | Experimental device for deformation failure of ballast railroad sleeper base system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420030518.5U CN203732365U (en) | 2014-01-18 | 2014-01-18 | Experimental device for deformation failure of ballast railroad sleeper base system |
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| CN203732365U true CN203732365U (en) | 2014-07-23 |
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| CN201420030518.5U Expired - Lifetime CN203732365U (en) | 2014-01-18 | 2014-01-18 | Experimental device for deformation failure of ballast railroad sleeper base system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792141A (en) * | 2014-01-18 | 2014-05-14 | 浙江大学 | Deformation failure test device for ballast railroad sleeper roadbed system |
| CN105575229A (en) * | 2016-01-27 | 2016-05-11 | 大连理工大学 | Horizontal loading and guiding device for multilayer and multispan static model |
| CN106248509A (en) * | 2016-08-30 | 2016-12-21 | 吉林大学 | Resonant sleeper fatigue bending machine and application thereof |
| CN109297698A (en) * | 2018-11-23 | 2019-02-01 | 中南大学 | A kind of large scale structure fatigue test loading device |
| CN109540679A (en) * | 2018-11-26 | 2019-03-29 | 山东交通学院 | For the antivibration of bridge member, stretching experiment system and adjustable base |
-
2014
- 2014-01-18 CN CN201420030518.5U patent/CN203732365U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792141A (en) * | 2014-01-18 | 2014-05-14 | 浙江大学 | Deformation failure test device for ballast railroad sleeper roadbed system |
| CN103792141B (en) * | 2014-01-18 | 2016-02-10 | 浙江大学 | There is tiny fragments of stone, coal, etc. railroad sleeper roadbed system deformation failure experimental provision |
| CN105575229A (en) * | 2016-01-27 | 2016-05-11 | 大连理工大学 | Horizontal loading and guiding device for multilayer and multispan static model |
| CN106248509A (en) * | 2016-08-30 | 2016-12-21 | 吉林大学 | Resonant sleeper fatigue bending machine and application thereof |
| CN106248509B (en) * | 2016-08-30 | 2019-01-08 | 吉林大学 | Resonant sleeper fatigue bending machine and its application |
| CN109297698A (en) * | 2018-11-23 | 2019-02-01 | 中南大学 | A kind of large scale structure fatigue test loading device |
| CN109540679A (en) * | 2018-11-26 | 2019-03-29 | 山东交通学院 | For the antivibration of bridge member, stretching experiment system and adjustable base |
| CN109540679B (en) * | 2018-11-26 | 2023-10-27 | 山东交通学院 | Vibration-proof and stretching experiment system for bridge member and adjustable base |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |