CN103698138A - Vehicle fixing device for railway vehicle marshalling test - Google Patents
Vehicle fixing device for railway vehicle marshalling test Download PDFInfo
- Publication number
- CN103698138A CN103698138A CN201310633476.4A CN201310633476A CN103698138A CN 103698138 A CN103698138 A CN 103698138A CN 201310633476 A CN201310633476 A CN 201310633476A CN 103698138 A CN103698138 A CN 103698138A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- leading screw
- test
- marshalling
- power sensor
- 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
Images
Abstract
The invention relates to the technical field of railway vehicle marshalling tests, and discloses a vehicle fixing device for a railway vehicle marshalling test. The device comprises a base, a support seat and a loading mechanism, wherein the lower end of the support seat is connected with the base; the loading mechanism comprises a loading screw rod and a screw rod mounting seat; the screw rod mounting seat is arranged at the upper end of the support seat; the loading screw rod be connected with the screw rod mounting seat by screw threads; the front end of the loading screw rod is used for pushing against a vehicle; and the base is used for fixing the vehicle fixing device. The vehicle fixing device pushes against an end beam of the vehicle in a direction of a test stand track, so that the vehicle cannot move, and a longitudinal positioning restriction effect is exerted; and in addition, a force sensor is arranged at the front end of the loading screw rod, so that a force used for pushing against the vehicle can be measured, and an end stress state of the vehicle can be directly monitored and test data can be accurately acquired in a test process.
Description
Technical field
The present invention relates to vehicle marshalling experimental technique field, particularly relate to a kind of vehicle anchor of rail vehicle marshalling test.
Background technology
Performance evaluation, each part reliability and systematic analysis under EMU dynamic analysis, vehicle marshalling state is the important step of the research hot-short system integration.In vehicle marshalling process of the test, need to be by first of vehicle, second, the 3rd ... N whole company after extension, a vehicle is placed into car load rolling rig research experiment.At the trial, first a vehicle is placed on testing table, the scroll wheel of testing table contacts with the wheel tread of a vehicle, and one end of a vehicle is fixedly connected with reaction frame by transition axis, and on transition axis, is provided with for monitoring the power sensor of counter-force size; Now stationary installation be mounted to other one end test platform and be fixed according to testing requirements, then vehicle after a vehicle is shifted onto on the track of testing table and a coupling of vehicles, use stationary installation to hold out against two vehicle ends, make the two ends tension of a vehicle play effect of contraction, then test.At present, conventionally utilize wheel to locking mode, axletree locking mode and utilize anti-snakelike shock absorber bearing locking mode to realize the object that vehicle is retrained, but these several stationary installations exist following shortcoming:
(1) utilize wheel to locking device by the wheel of placing vehicle in orbit to fixing with track, cannot reliably fix; Under high-speed test (HST) state vehicle climb, shake, unstability; The stressed collection difficulty in instruction carriage end, distortion.
(2) utilize axletree locking device to be fixed placing vehicle in orbit and track or platform, but axletree is right cylinder, fixedly difficulty is large; Vehicle shake, unstability under high-speed test (HST) state; Instruction carriage end data are influenced, cause data acquisition difficulty, data accuracy rate low.
(3) utilize anti-snakelike shock absorber bearing that the vehicle of placing is in orbit fixed with track or platform, anti-snakelike vibroshock and car body join domain rigidity a little less than, be difficult to bear larger axis to load, and width of the carbody is large, stationary installation complexity, data acquisition distortion.
Existing vehicle anchor, complex structure, unreliable, all can cause fixed area parts to damage in various degree, and test car body end data gather validity and gather safety.Therefore, need a kind of vehicle anchor simple in structure, reliable, and make the data of test accurate.
Summary of the invention
(1) technical matters that will solve
The object of this invention is to provide the vehicle anchor that a kind of rail vehicle marshalling simple in structure, that reliability is high is tested.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of vehicle anchor of rail vehicle marshalling test, comprising: base, supporting seat and load maintainer, the lower end of described supporting seat is connected with described base; Described load maintainer comprises loading leading screw and leading screw mount pad, and described leading screw mount pad is arranged on the upper end of described supporting seat, and described loading leading screw is threaded with described leading screw mount pad, and the front end of described loading leading screw is used for holding out against vehicle; Described base is used for fixing this vehicle anchor.
Wherein, this vehicle anchor also comprises power sensor, and described power sensor setting is loading the front end of leading screw, and between described loading leading screw and vehicle.
Wherein, this vehicle anchor also comprises bracket and power sensor support plate, and described power sensor support plate is arranged on the upper side of described supporting seat, and is positioned at the lower position of described loading leading screw; Described bracket is placed on described power sensor support plate, and described power sensor is placed on bracket.
Wherein, described power sensor is respectively equipped with rebound with respect to the two sides of described loading leading screw and vehicle.
Wherein, described rebound is made by nylon material.
Wherein, described bracket is V-type bracket.
Wherein, the xsect of described power sensor support plate is class " L " type.
Wherein, described supporting seat is provided with a plurality of stiffening plates.
Wherein, described loading leading screw is provided with set nut, and described set nut is used for locking loading leading screw.
Wherein, described leading screw mount pad is installed on described supporting seat by bolt.
(3) beneficial effect
Rail vehicle provided by the invention is organized into groups the vehicle anchor of test, holds out against the end crossbeam of vehicle along testing table orbital direction, and vehicle cannot be moved, and two groups of stationary installations are installed in hitch both sides, plays vertical and horizontal constraint positioning action simultaneously; At the front end that loads leading screw, be provided with power sensor, can measure the power that holds out against vehicles, and in process of the test the direct stress of monitoring and collection vehicle end, accurate acquisition test data; Simple in structure, facilitate installing/dismounting, reliability is high.
Accompanying drawing explanation
Fig. 1 is the cut-open view of vehicle anchor of the present invention;
Fig. 2 is the enlarged drawing of I part in Fig. 1;
Fig. 3 is that vehicle anchor of the present invention is at the use installation diagram of test platform.
In figure, 1: base plate; 2: back up pad; 3: stiffening plate; 4: load leading screw; 5: set nut; 6: leading screw mount pad; 7: rebound; 8: power sensor; 9: bracket; 10: power sensor support plate; 100: vehicle anchor; 200: two vehicles; 300: orbital platform; 400: supporting groove; 401: scroll wheel; 500: counter-force platform; 501: reaction frame; 600: one vehicles; 601: transition axis; 700: counter-force power sensor.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following instance is used for illustrating the present invention, but is not used for limiting the scope of the invention.
As shown in Fig. 1 to 2, the vehicle anchor 100 of rail vehicle marshalling test of the present invention, comprising: base 1, supporting seat 2 and load maintainer, and the lower end of supporting seat 2 is connected with base 1; Load maintainer comprises loading leading screw 4 and leading screw mount pad 6, and leading screw mount pad 6 is arranged on the upper end of supporting seat 2, loads leading screw 4 and is threaded with leading screw mount pad 6, and the front end that loads leading screw 4 is used for holding out against vehicle; Base 1 is for fixing this vehicle anchor 100.On base 1, be provided with a plurality of bolts hole, in use, by foot bolt, base 1 be fixed on experiment porch, by loading leading screw 4, along the orbital direction of testing table, hold out against vehicle, vehicle can not be vertically moved along track, play fixation.
Further, this vehicle anchor also comprises power sensor 8, bracket 9 and power sensor support plate 10, and power sensor 8 is arranged on the front end that loads leading screw 4, and is loading between leading screw 4 and vehicle.Power sensor support plate 10 is arranged on the upper side of supporting seat 2, and is positioned at the lower position that loads leading screw 4; Bracket 9 is placed on power sensor support plate 10, and power sensor 8 is placed on bracket; The sensor 8 of exerting all one's strength is positioned at the front end outside that loads leading screw 4.Preferably, bracket 9 is V-type bracket.Fixedly time, load leading screw 4 and hold out against vehicle by power sensor 8, power sensor 8 detects stretch pressure.
Further, power sensor 8 is respectively equipped with rebound 7 with respect to loading the front end of leading screw 4 and the two sides of vehicle.Preferably, rebound 7 is made by nylon material.The rebound 7 of making by nylon material, the front end that loads leading screw 4 does not directly contact with power sensor 8, and the area of rebound 7 is larger, the holding out against load and can be evenly distributed on power sensor 8 and vehicle of loading leading screw 4 front ends.Meanwhile, load leading screw 4 and directly do not contact with vehicle, effectively prevent damaged vehicle wound.
Further, supporting seat 2 is provided with a plurality of stiffening plates 3.Stiffening plate 3 increases the intensity of supporting seat 2, prevents supporting seat 2 fractures, guarantees to test and carries out smoothly.
Further, load leading screw 4 and be provided with set nut 5, set nut 5 loads leading screw 4 for locking.Use set nut 5 will load leading screw 4 lockings, make to load leading screw 4 and be not moved position in whole experimentation, the stretch pressure that loads leading screw 4 does not change, and makes experimental data accurate.
Further, the xsect of power sensor support plate 10 is class " L " type.The lateral surface of power sensor support plate 10 is simultaneously close on the side of supporting seat 2, by bolt, is connected with supporting seat; Another side supporting force sensor.
Further, leading screw mount pad 6 is installed on supporting seat 2 by bolt.The both sides of leading screw mount pad 6 are respectively equipped with through hole, upper surface setting two bolts hole corresponding with through hole of supporting seat 2, and leading screw mount pad 6 is connected with bolt hole by bolt, thereby leading screw mount pad is fixed on to the upper end of supporting seat.
As shown in Figure 3, national project testing laboratory car load rolling rig is used in vehicle marshalling test, this testing table comprises supporting groove 400, counter-force platform 500 and orbital platform 300, in supporting groove 400, be provided with multipair scroll wheel 401, for matching with the wheel of vehicle to be tested, counter-force platform 500 and orbital platform 300 lay respectively at the left and right sides of supporting groove 400, and counter-force platform 500 is provided with a reaction frame 501, are provided with the track of placing vehicle vehicle on orbital platform 300.
At the trial, first will be used overhead traveling crane to winch in the supporting groove 400 of experiment table by a vehicle 600 of test vehicle, make the wheel of a vehicle 600 to matching with scroll wheel 401, the hitch of one vehicle 600 front ends is connected with roller tray left side reaction frame 501 by transition axis 601, is provided with counter-force power sensor 700 on transition axis 601.Two vehicle anchors 100 are winched on the orbital platform 300 at tail end place of a vehicle 600, make two vehicle anchors 100 be positioned at two side positions of longitudinal direction of car center line, and symmetrical along the longitudinal centre line of vehicle.Then the position other vehicle mobiles of vehicle being extremely connected with a vehicle 600, one vehicle 600 is connected by hitch with two vehicles 200, before connecting, remove the interior windscreen between a vehicle 600 and two vehicles 200, adjust the position of vehicle anchor 100, and base plate 1 is fixedly installed on orbital platform 300 by foot bolt, make the connection space position of vehicle anchor 100 between a vehicle 600 and two vehicles 200.Rotation loading leading screw 4 expulsive force sensors 8 move to the car end floor beam of two vehicles 200, loading leading screw 4 holds out against on car end floor beam by rebound 7, adjust the loading leading screw 4 of vehicle anchor 100, make the numerical value of two power sensors 8 identical, turning set nut 5 locking loading leading screw 4, two vehicles 200 fixedly completes.Finally, starting outfit carries out test experiments, and records the data that power sensor 8 detects.
Vehicle anchor of the present invention utilizes the finite space of adjacent vehicle end of rolling rig and marshalling vehicle, directly in the end of test car body, vehicle is fixed, simple in structure, reliability is high.Obligatory point acts on vehicle end crossbeam, and this position is the bearing area of vehicle maximum, and this region is calculated and is greater than maximum weighted under vehicle test operating mode through intensity, in process of the test, can not cause damage to vehicle.The power sensor that is arranged on vehicle anchor front end directly acts on the end crossbeam of tested vehicle, direct collection vehicle stress data in process of the test, and the impact of avoiding non-test car body to bring, thereby can accurately collection vehicle test figure.By this vehicle anchor, size that can fine adjustment vehicle both sides constraining force, can reliably retrain longitudinal direction of car degree of freedom and horizontal degree of freedom.Make vehicle before test, reach desirable equilibrium state.
It should be noted that, a vehicle of the present invention refers to the vehicle being placed on testing table scroll wheel, and this vehicle can be any of permutation car in actual use.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a vehicle anchor for rail vehicle marshalling test, is characterized in that, comprising: base, supporting seat and load maintainer, and the lower end of described supporting seat is connected with described base; Described load maintainer comprises loading leading screw and leading screw mount pad, and described leading screw mount pad is arranged on the upper end of described supporting seat, and described loading leading screw is threaded with described leading screw mount pad, and the front end of described loading leading screw is used for holding out against vehicle; Described base is used for fixing this vehicle anchor.
2. the vehicle anchor of rail vehicle marshalling test as claimed in claim 1, is characterized in that, this vehicle anchor also comprises power sensor, and described power sensor setting is loading the front end of leading screw, and between described loading leading screw and vehicle.
3. the vehicle anchor that rail vehicle marshalling as claimed in claim 2 is tested, it is characterized in that, this vehicle anchor also comprises bracket and power sensor support plate, and described power sensor support plate is arranged on the upper side of described supporting seat, and is positioned at the lower position of described loading leading screw; Described bracket is placed on described power sensor support plate, and described power sensor is placed on bracket.
4. the vehicle anchor of rail vehicle marshalling test as claimed in claim 3, is characterized in that, described power sensor is respectively equipped with rebound with respect to the two sides of described loading leading screw and vehicle.
5. the vehicle anchor of rail vehicle marshalling test as claimed in claim 4, is characterized in that, described rebound is made by nylon material.
6. the vehicle anchor of rail vehicle marshalling test as claimed in claim 3, is characterized in that, described bracket is V-type bracket.
7. the vehicle anchor of rail vehicle marshalling test as claimed in claim 3, is characterized in that, the xsect of described power sensor support plate is class " L " type.
8. the vehicle anchor of the marshalling of the rail vehicle as described in claim 1 to 7 any one test, is characterized in that, described supporting seat is provided with a plurality of stiffening plates.
9. the vehicle anchor of the marshalling of the rail vehicle as described in claim 1 to 7 any one test, is characterized in that, described loading leading screw is provided with set nut, and described set nut is used for locking loading leading screw.
10. the vehicle anchor of the marshalling of the rail vehicle as described in claim 1 to 7 any one test, is characterized in that, described leading screw mount pad is installed on described supporting seat by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633476.4A CN103698138A (en) | 2013-11-29 | 2013-11-29 | Vehicle fixing device for railway vehicle marshalling test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633476.4A CN103698138A (en) | 2013-11-29 | 2013-11-29 | Vehicle fixing device for railway vehicle marshalling test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103698138A true CN103698138A (en) | 2014-04-02 |
Family
ID=50359742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310633476.4A Pending CN103698138A (en) | 2013-11-29 | 2013-11-29 | Vehicle fixing device for railway vehicle marshalling test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103698138A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030089268A1 (en) * | 2001-11-13 | 2003-05-15 | Alstom | Apparatus for performing mechanical tests on structures |
| CN201247155Y (en) * | 2008-08-29 | 2009-05-27 | 齐齐哈尔轨道交通装备有限责任公司 | Test bench for steering frame characteristic parameter |
| CN202420880U (en) * | 2011-12-20 | 2012-09-05 | 南车青岛四方机车车辆股份有限公司 | Strong wind overturning resistance capacity testing device for railway vehicle |
| CN202781849U (en) * | 2012-09-14 | 2013-03-13 | 华中科技大学 | Device for optimizing laying process parameters of tape laying machine |
| CN103018057A (en) * | 2012-11-27 | 2013-04-03 | 长春轨道客车股份有限公司 | Rotation characteristic test system for rail vehicle bogie |
| CN103239868A (en) * | 2013-05-17 | 2013-08-14 | 西南交通大学 | Railway vehicle model |
| CN203616151U (en) * | 2013-11-29 | 2014-05-28 | 南车青岛四方机车车辆股份有限公司 | Vehicle fixing device for rail vehicle marshalling test |
-
2013
- 2013-11-29 CN CN201310633476.4A patent/CN103698138A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030089268A1 (en) * | 2001-11-13 | 2003-05-15 | Alstom | Apparatus for performing mechanical tests on structures |
| CN201247155Y (en) * | 2008-08-29 | 2009-05-27 | 齐齐哈尔轨道交通装备有限责任公司 | Test bench for steering frame characteristic parameter |
| CN202420880U (en) * | 2011-12-20 | 2012-09-05 | 南车青岛四方机车车辆股份有限公司 | Strong wind overturning resistance capacity testing device for railway vehicle |
| CN202781849U (en) * | 2012-09-14 | 2013-03-13 | 华中科技大学 | Device for optimizing laying process parameters of tape laying machine |
| CN103018057A (en) * | 2012-11-27 | 2013-04-03 | 长春轨道客车股份有限公司 | Rotation characteristic test system for rail vehicle bogie |
| CN103239868A (en) * | 2013-05-17 | 2013-08-14 | 西南交通大学 | Railway vehicle model |
| CN203616151U (en) * | 2013-11-29 | 2014-05-28 | 南车青岛四方机车车辆股份有限公司 | Vehicle fixing device for rail vehicle marshalling test |
Non-Patent Citations (1)
| Title |
|---|
| 张志国: "高速列车转向架参数测试台纵横向定位装置研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》, 15 September 2011 (2011-09-15) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2546913C2 (en) | Test and assembly bench | |
| CN107449621B (en) | Portable rail vehicle collision dynamometry wall | |
| CN103674580B (en) | Vehicle body side wall load charger and load loading method | |
| CN102661841B (en) | Dummy hip joint calibration system and method for automobile collision | |
| CN101650256A (en) | Automobile wind tunnel test system for matching with moving belt ground effect | |
| CN210269198U (en) | Multi-channel bench test device of suspension system | |
| CN109632346A (en) | A kind of fixation device for tire stiffness test | |
| CN109991021A (en) | A kind of multi-angle tire dynamic rate experimental rig | |
| CN103439123B (en) | A kind of device for measuring railway vehicle end relation | |
| CN203616151U (en) | Vehicle fixing device for rail vehicle marshalling test | |
| CN103033333B (en) | Anti-roll performance testing apparatus in cab | |
| CN207937174U (en) | A kind of multi-angle tire dynamic rate experimental rig | |
| CN110333084A (en) | A kind of detecting tool based on ABS control characteristic | |
| CN202002714U (en) | High-precision automobile overload and unbalance-load detector with overload protection function | |
| CN206387580U (en) | AWD vehicle brake test bench | |
| CN103698138A (en) | Vehicle fixing device for railway vehicle marshalling test | |
| CN208420391U (en) | A kind of truck bolster for railway wagon fatigue test loading device | |
| CN203908796U (en) | Back-mounted arrangement type NG gas cylinder support strength checking device | |
| CN213181198U (en) | Friction coefficient testing device | |
| CN211347410U (en) | Tread brake unit test bench | |
| KR101345610B1 (en) | Roller riger tester for sleeper level different | |
| CN114838962A (en) | Front suspension system testing device | |
| CN203616148U (en) | Vehicle body side wall load loading device | |
| CN113933077A (en) | Loading device for bogie frame test and bogie frame test system | |
| CN211504519U (en) | Calibrating device for brake inspection platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140402 |
|
| RJ01 | Rejection of invention patent application after publication |