CN203616151U - Vehicle fixing device for rail vehicle marshalling test - Google Patents
Vehicle fixing device for rail vehicle marshalling test Download PDFInfo
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- CN203616151U CN203616151U CN201320779497.2U CN201320779497U CN203616151U CN 203616151 U CN203616151 U CN 203616151U CN 201320779497 U CN201320779497 U CN 201320779497U CN 203616151 U CN203616151 U CN 203616151U
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- vehicle
- leading screw
- test
- loading
- marshalling
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Abstract
The utility model relates to the technical field of rail vehicle marshalling test, and discloses a vehicle fixing device for a rail vehicle marshalling test. The vehicle fixing device comprises a pedestal, a supporting seat and a loading mechanism; a lower end of the supporting seat is connected with the pedestal; the loading mechanism comprises a loading lead screw and a lead screw installing base, the lead screw installing base is disposed at an upper end of the supporting seat, the loading lead screw is in threaded connection with the lead screw installing base, and the front end of the loading lead screw is used for tightly jacking a vehicle; and the pedestal is used for fixing the vehicle fixing device. According to the vehicle fixing device, an end portion crossbeam of the vehicle is tightly jacked along the test stand track direction, the vehicle cannot move, and a vertical constraint positioning function is fulfilled; and further, the front end of the loading lead screw is provided with a force sensor, force used for tightly jacking the vehicle can be measured, end portion strained conditions of the vehicle can be directly monitored during a test process, and test data can be acquired accurately.
Description
Technical field
The utility model relates to vehicle marshalling experimental technique field, particularly relates 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 entirety connects after extension, and 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 the power sensor for monitoring 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 with track or platform placing vehicle in orbit, but axletree is right cylinder, fixes difficulty 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, a little less than resisting snakelike vibroshock and car body join domain rigidity, 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 simple in structure, reliable vehicle anchor, and make the data of test accurate.
Utility model content
(1) technical matters that will solve
The purpose of this utility model 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 utility model provides a kind of vehicle anchor of rail vehicle marshalling test, 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.
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 up of 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 multiple 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
The rail vehicle that the utility model provides 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; Be provided with power sensor at the front end that loads leading screw, can measure the power that holds out against vehicles, and directly monitor and collection vehicle end stress in process of the test, accurately 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 utility model;
Fig. 2 is the enlarged drawing of I part in Fig. 1;
Fig. 3 is the use installation diagram of vehicle anchor of the present utility model at 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, embodiment of the present utility model is described in further detail.Following instance is used for illustrating the utility model, but is not used for limiting scope of the present utility model.
As shown in Fig. 1 to 2, the vehicle anchor 100 of rail vehicle marshalling test of the present utility model, 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 multiple bolts hole, in use, by foot bolt, base 1 be fixed on experiment porch, hold out against vehicle by loading leading screw 4 along the orbital direction of testing table, 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.When fixing, 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 up of nylon material.The rebound 7 of making by nylon material, loads the front end of leading screw 4 and 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 multiple stiffening plates 3.Stiffening plate 3 increases the intensity of supporting seat 2, prevents that supporting seat 2 from rupturing, and guarantees to test to carry 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 and lock, 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 one side of power sensor support plate 10 is close on the side of supporting seat 2, is connected with supporting seat by bolt; 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, vehicle marshalling test is used national project testing laboratory car load rolling rig, 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 along the longitudinal centre line symmetry 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.Rotating loading leading screw 4 expulsive force sensors 8 moves 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 utility model 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 described in the utility model 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 utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
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 of rail vehicle marshalling test as claimed in claim 2, 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 up of 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 multiple 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 |
|---|---|---|---|
| CN201320779497.2U CN203616151U (en) | 2013-11-29 | 2013-11-29 | Vehicle fixing device for rail vehicle marshalling test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320779497.2U CN203616151U (en) | 2013-11-29 | 2013-11-29 | Vehicle fixing device for rail vehicle marshalling test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616151U true CN203616151U (en) | 2014-05-28 |
Family
ID=50768785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320779497.2U Expired - Fee Related CN203616151U (en) | 2013-11-29 | 2013-11-29 | Vehicle fixing device for rail vehicle marshalling test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203616151U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698138A (en) * | 2013-11-29 | 2014-04-02 | 南车青岛四方机车车辆股份有限公司 | Vehicle fixing device for railway vehicle marshalling test |
| CN107314753A (en) * | 2017-07-25 | 2017-11-03 | 中车长春轨道客车股份有限公司 | Body end portion displacement transducer fixing device with versatility |
-
2013
- 2013-11-29 CN CN201320779497.2U patent/CN203616151U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698138A (en) * | 2013-11-29 | 2014-04-02 | 南车青岛四方机车车辆股份有限公司 | Vehicle fixing device for railway vehicle marshalling test |
| CN107314753A (en) * | 2017-07-25 | 2017-11-03 | 中车长春轨道客车股份有限公司 | Body end portion displacement transducer fixing device with versatility |
| CN107314753B (en) * | 2017-07-25 | 2024-05-07 | 中车长春轨道客车股份有限公司 | Fixing device with universality for vehicle body end displacement sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG Co.,Ltd. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR QINGDAO SIFANG LOCOMOTIVE & ROLLING STOCK Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20211129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |