CN207248545U - A kind of sectional track vehicle collision dynamometric wall - Google Patents
A kind of sectional track vehicle collision dynamometric wall Download PDFInfo
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- CN207248545U CN207248545U CN201721121207.XU CN201721121207U CN207248545U CN 207248545 U CN207248545 U CN 207248545U CN 201721121207 U CN201721121207 U CN 201721121207U CN 207248545 U CN207248545 U CN 207248545U
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- supporting beam
- dynamometric wall
- dynamometric
- collision
- headwall
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Abstract
The utility model discloses a kind of sectional track vehicle collision dynamometric wall, belongs to rail vehicle impact test impact force testing field.The sectional track vehicle collision dynamometric wall mainly includes：Headwall, supporting beam sliding slot, supporting beam, dynamometric wall backboard, shock sensors, impact face etc..The dynamometric wall can be used for active experiment trolley to be tested with the impact force under passive experiment trolley head-on collision scene, including being provided with component to be tested, the active experiment trolley of such as drivers' cab, energy absorption device and the passive experiment trolley collision for not installing component to be tested, the active and passive experiment trolley head-on collision of cab structure is installed at the same time, including the impact force test of contact interface and the impact force of cab structure rear end are tested.The dynamometric wall impact force test zone is adjustable, while can support a variety of cab structures, adds the collision scene that impact force test can be carried out in rail vehicle impact test.
Description
Technical field
The utility model belongs to rail vehicle impact test technical field, is touched more particularly, to rail vehicle and its parts
The test equipment that impact force numerical value and impact force when hitting experiment are distributed.
Background technology
Impact test is to evaluate rail vehicle security most directly with most convictive method, is that high speed apparatus of transport is new
The experiment that product development must carry out, and judge that can rail vehicle security collision energy-absorbing product reach relevant regulations index
Important means.With the fast development of track traffic, impact test is increasingly taken seriously.Dynamometric wall be used for test vehicle or
Stressing conditions of its parts in impact test, are widely used in rail vehicle impact test.Dynamometric wall is mainly by impacting
Force snesor and dynamometric wall backboard or other components are formed, and shock sensors are installed on dynamometric wall backboard, dynamometric wall backboard
It is installed on by other devices on rigid obstacle.
Currently known rail vehicle impact test system includes the collision examination of Japanese railway comprehensive technology research institute design
Test trolley, the multi-functional collision trolley (105067289 A of patent No. CN) of rail vehicle triple axle of Central South University's design, middle car
A kind of rail vehicle bump testing machine of Qingdao four directions rolling stock limited company design and rail vehicle impact test side
Method (patent No. CN 1O4359642 A), a kind of track train impact test side of Zhong Che Zhuzhou Electric Locomotive Co. Ltd.,s design
Method and system (patent No. CN 1O6198066 A) and a kind of multifunction railway vehicle of patent of Southwest Jiaotong University's application touch
Experiment trolley (application number 201710406693.8) is hit, wherein the dynamometric wall in the collision system with dynamometry wall equipment can not
Follow crash test table vehicle to move, can only be fixed on rigid obstacle it is upper put it is constant, therefore the dynamometric wall of existing bump testing machine only
Impact force test when crash test table vehicle hits rigid wall can be carried out, but except experiment trolley touches in rail vehicle impact test
Hit passive experiment trolley head-on collision that active experiment trolley and rest with initial velocity are further included outside the scene of rigid wall
Collide scene, there is presently no test it is such a collision scene under impact force numerical value and impact force distribution with truck mobile dynamometry
Wall.For the impact test under such a scene, there is an urgent need for a kind of new dynamometry wall equipment.
Utility model content
The purpose of this utility model is to provide a kind of sectional track vehicle collision dynamometric wall, it can be efficiently solved
Impact force test problem in the collision scene of active and passive experiment trolley head-on collision, and railway vehicle cab knot can be tested out
The impact force distribution situation of structure end.
The purpose of this utility model is achieved through the following technical solutions：
A kind of sectional track vehicle collision dynamometric wall, including rail vehicle crash test table vehicle, headwall, supporting beam and punching
Force snesor is hit, L-type raker beam is equipped between chassis on the inside of headwall.Headwall is tower structure, is fixed in rail vehicle and touches
Experiment trolley end is hit, outermost two box vertical beams, which are equipped with, is spaced identical bolt hole；Supporting beam sliding slot is box
Girder construction, below rail vehicle bump testing machine body frame front part sides side bar, welds plus is bolted with edge beam of underframe,
The thickness of the bottom plate of supporting beam sliding slot and two coxostermums is identical and smaller than the thickness of top plate；Two coxostermums it is longitudinally spaced uniformly away from
From equipped with rectangular opening, the ceiling center above rectangular opening is equipped with longitudinally spaced connection through hole, and the bottom plate of rectangle hole site is equipped with
Three row's transverse direction rectangular straight slot, web both ends are equipped with the positioning through hole of fixed supporting beam；Supporting beam is box-girder, exterior nested support
Beam sliding slot, the thickness of the top plate of supporting beam, bottom plate and two coxostermums is identical, and top plate is equipped with and is connected with cab structure bottom bolts
Longitudinal rectangular straight slot, web both ends are equipped with supporting beam location hole corresponding with supporting beam runner position；Dynamometric wall backboard is flat
Face support plate, both sides are equipped with the mounting hole identical with the bolt hole interval of headwall, and center section is equipped with horizontal T-slot；Collision
The surface of panel is equipped with the bolt hole being connected with shock sensors and structure installation end to be tested.
The supporting beam lower part both sides are contacted with being fixed on the housing washer of horizontal rectangular straight slot, rolling bearing
Inner ring is interference fitted with bolt light rod.
The quantity of the dynamometric wall backboard is three pieces.
The headwall is mutually perpendicular to fixation with seven box crossbeams by six roots of sensation box vertical beam and forms.
The dynamometric wall backboard is fixed by bolt and headwall.
It is compared with the prior art, the utility model has the following advantages：A kind of progress active and passive experiment of rail vehicle is provided
Trolley can follow the movable force-measuring wall that passive experiment trolley moves together when clashing, which can be used for two kinds
Collide the impact force test under scene：One is the active experiment platform for being provided with component to be tested (drivers' cab, energy absorption device etc.)
Car hits impact force test during the passive experiment trolley for not installing component to be tested；Secondly to be installed on passive testing stand Chinese herbaceous peony
The movable force-measuring wall construction support drivers' cab at end, when active and passive testing stand Chinese herbaceous peony end installs cab structure and clashes at the same time
The impact force test of passive experiment trolley cab structure rear end.The dynamometric wall impact force test zone is adjustable, while can pass through
Structure adjusts the cab structure under support sizes, and impact force test can be carried out by adding in rail vehicle impact test
Collide scene.
Brief description of the drawings
Fig. 1 is dynamometry wall construction scheme of installation in the utility model embodiment 1
Fig. 2 is dynamometry wall construction scheme of installation in the utility model embodiment 2
Fig. 3 is dynamometric wall structure partial enlarged drawing in the utility model Fig. 2
Fig. 4 is the utility model end wall structure schematic diagram
Fig. 5 is the utility model dynamometric wall back board structure schematic diagram
Fig. 6 is the utility model supporting beam sliding slot partial structural diagram
Fig. 7 is the utility model supporting beam partial structural diagram
Fig. 8 is the utility model edge beam of underframe, supporting beam sliding slot, supporting beam connect relative position schematic diagram
Fig. 9 is the utility model impact face structure diagram
Figure 10 is the utility model shock sensors structure diagram
In figure：1- side bars, 2- rolling bearings, 3- supporting beam sliding slots, 3A- transverse direction rectangular straight slot, 3B- connection through holes, 3C- are fixed
Position through hole, 4- shock sensors, 5- impact faces, 6- supporting beams, 6A- longitudinal directions rectangular straight slot, 6B- supporting beam location holes, 7-
Dynamometric wall backboard, 7A- mounting holes, 7B- transverse direction T-slots, 8- headwalls, 8A- bolt holes, 9- raker beams
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
With reference to Fig. 1~Fig. 3, sectional track vehicle collision dynamometric wall include rail vehicle crash test table vehicle, headwall 8,
Supporting beam 6 and shock sensors 4.
With reference to Fig. 4, the headwall 8 is tower structure, is mutually perpendicular to by six roots of sensation box vertical beam and seven box crossbeams solid
Surely form, be fixed in rail vehicle crash test table vehicle end, outermost two box vertical beams, which are equipped with, is spaced identical spiral shell
Bolt throughhole 8A, L-type raker beam 9 is equipped between the inner side of headwall 8 and chassis.
With reference to Fig. 6, the supporting beam sliding slot 3 is box girder construction, anterior positioned at rail vehicle bump testing machine body frame
The lower section of both sides side bar 1, welds plus is bolted with edge beam of underframe 1；The thickness of the bottom plate of supporting beam sliding slot 3 and two coxostermums is identical
It is and smaller than the thickness of top plate；The longitudinally spaced uniformly distance of two coxostermums is equipped with rectangular opening, and the ceiling center above rectangular opening is set
There is longitudinally spaced connection through hole 3B, for being bolted with edge beam of underframe 1, the bottom plate of rectangle hole site is equipped with three row's transverse direction squares
Shape straight slot 3A, for fixing and adjusting the lateral position of rolling bearing 2, and then adjusts the lateral position of supporting beam 6；Web both ends
Positioning through hole 3C equipped with fixed supporting beam 6.
With reference to Fig. 7, the supporting beam 6 be box-girder, exterior nested supporting beam sliding slot 3, the top plate of supporting beam 6, bottom plate and
The thickness of two coxostermums is identical, and top plate is equipped with the longitudinal rectangular straight slot 6A being connected with cab structure bottom bolts, web both ends
Equipped with the supporting beam location hole 6B with 3 position correspondence of supporting beam sliding slot, when supporting beam 6 contracts in supporting beam 3 inside of sliding slot, pass through
Supporting beam location hole 6B and positioning through hole 3C, which is bolted, fixes its position.
With reference to Fig. 8, the 6 lower part both sides of supporting beam connect with being fixed on 2 outer ring of rolling bearing of horizontal rectangular straight slot 3A
Touch, inner ring and the bolt light rod of rolling bearing 2 are interference fitted.
With reference to Fig. 5, the dynamometric wall backboard 7 is flat support plate, and both sides are equipped with the bolt hole 8A intervals phase with headwall 8
Same mounting hole 7A, dynamometric wall backboard 7 are fixed by bolt and headwall 8；7 center section of dynamometric wall backboard is equipped with horizontal T-slot
7B, available for installation shock sensors 4 and adjusts the lateral position of shock sensors 4；The quantity of dynamometric wall backboard 7 is three
Block, polylith when the quantity of one piece of dynamometric wall backboard 7 is inadequate can be spelled to get up to test the impact force of large area.
With reference to Fig. 9, the surface of the impact face 5 is equipped with and shock sensors 4 and structure installation end phase to be tested
Bolt hole even.
Embodiment 1：
The active experiment trolley of component to be tested (drivers' cab, energy absorption device etc.) is installed and component to be tested is not installed
Passive experiment trolley collision
Test component is not installed at passive testing stand Chinese herbaceous peony end under such a collision scene, and supporting beam 6 is contracted in supporting beam sliding slot 3
Inside, and by adding bolt to fix supporting beam 6 at the 3 positioning through hole 3C of supporting beam sliding slot and supporting beam location hole 6B at both ends
Position.The number of dynamometric wall backboard 7 is determined according to the area size of test collisions power, and by adjusting the spiral shell with 8 both sides of headwall
Bolt link position regulates impact force test zone position；Will punching after dynamometric wall backboard 7 is installed on passive experiment trolley headwall 8
The horizontal T-slot 7B that force snesor 4 is installed on dynamometric wall backboard 7 by bolt, 4 position of adjustment shock sensors are hit, and is pacified
Fill impact face 5, you can carry out impact force test.
Embodiment 2：
The active experiment trolley of drivers' cab is installed and the passive experiment trolley head-on collision of drivers' cab is installed
At passive testing stand Chinese herbaceous peony end, the cab structure supported as needed first is by the supporting beam 6 under chassis from branch
Suitable distance, and the lateral position of the lateral position limitation supporting beam 6 by adjusting rolling bearing 2 are stretched out in support beam sliding slot 3,
Make 6 lateral separation of supporting beam consistent with drivers' cab longitudinal beam of underframe lateral separation；The dynamometric wall backboard 7 of suitable number is installed on branch
The headwall 8 of the top of beam 6 is supportted, adjusts good position, and shock sensors 4 and impact face 5 are installed, impact face 5 passes through bolt
Cab structure to be collided is connected, while is supported and is bolted by supporting beam 6 below cab structure.Collided
When, the longitudinal impact force of the passive drivers' cab for testing trolley end is born by dynamometric wall, and supporting beam 6 can be in supporting beam sliding slot 3
Longitudinal extension, does not influence the longitudinal stress of cab structure, while can give the vertical support of cab structure, can be surveyed under such a scene
The impact force distribution of cab structure end when trying out collision.
The data acquisition module of shock sensors 4 and power supply module are vehicle module in the utility model, and are had
Enough shock resistances are prepared enough, test data can be downloaded after the test.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be covered by the scope of the present utility model within.
Claims (5)
1. a kind of sectional track vehicle collision dynamometric wall, including rail vehicle crash test table vehicle, headwall (8), supporting beam (6)
With shock sensors (4), L-type raker beam (9) is equipped between headwall (8) inner side and chassis, it is characterised in that：Headwall (8) is
Tower structure, is fixed in rail vehicle crash test table vehicle end, it is identical that outermost two box vertical beams are equipped with interval
Bolt hole (8A)；Supporting beam sliding slot (3) is box girder construction, positioned at rail vehicle bump testing machine body frame front part sides
Below side bar (1), weld plus be bolted with edge beam of underframe (1), the bottom plate of supporting beam sliding slot (3) and the thickness phase of two coxostermums
It is same and smaller than the thickness of top plate；The longitudinally spaced uniformly distance of two coxostermums is equipped with rectangular opening, the ceiling center above rectangular opening
Equipped with longitudinally spaced connection through hole (3B), the bottom plate of rectangle hole site is equipped with three row's transverse direction rectangular straight slot (3A), web both ends
Positioning through hole (3C) equipped with fixed supporting beam (6)；Supporting beam (6) is box-girder, exterior nesting supporting beam sliding slot (3), support
The thickness of the top plate of beam (6), bottom plate and two coxostermums is identical, and top plate is equipped with the longitudinal moment being connected with cab structure bottom bolts
Shape straight slot (6A), web both ends are equipped with the supporting beam location hole (6B) with supporting beam sliding slot (3) position correspondence；Dynamometric wall backboard
(7) it is flat support plate, both sides are equipped with the mounting hole (7A) identical with bolt hole (8A) interval of headwall (8), center section
Equipped with horizontal T-slot (7B)；The surface of impact face (5) is equipped with and shock sensors (4) and structure installation end to be tested
Connected bolt hole.
A kind of 2. sectional track vehicle collision dynamometric wall according to claim 1, it is characterised in that：The supporting beam
(6) lower part both sides are contacted with being fixed on rolling bearing (2) outer ring of horizontal rectangular straight slot (3A), the inner ring of rolling bearing (2) with
Bolt light rod is interference fitted.
A kind of 3. sectional track vehicle collision dynamometric wall according to claim 1, it is characterised in that：The dynamometric wall back of the body
The quantity of plate (7) is three pieces.
A kind of 4. sectional track vehicle collision dynamometric wall according to claim 1, it is characterised in that：The headwall (8)
Fixation is mutually perpendicular to by six roots of sensation box vertical beam with seven box crossbeams to form.
A kind of 5. sectional track vehicle collision dynamometric wall according to claim 1, it is characterised in that：The dynamometric wall back of the body
Plate (7) is fixed by bolt and headwall (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721121207.XU CN207248545U (en) | 2017-09-04 | 2017-09-04 | A kind of sectional track vehicle collision dynamometric wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721121207.XU CN207248545U (en) | 2017-09-04 | 2017-09-04 | A kind of sectional track vehicle collision dynamometric wall |
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| Publication Number | Publication Date |
|---|---|
| CN207248545U true CN207248545U (en) | 2018-04-17 |
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ID=61885053
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721121207.XU Active CN207248545U (en) | 2017-09-04 | 2017-09-04 | A kind of sectional track vehicle collision dynamometric wall |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449621A (en) * | 2017-09-04 | 2017-12-08 | 西南交通大学 | A kind of sectional track vehicle collision dynamometric wall |
| CN110553862A (en) * | 2019-09-30 | 2019-12-10 | 吉林大学 | Mass center double-freedom-degree adjustable collision test trolley with power |
| CN112146901A (en) * | 2020-09-25 | 2020-12-29 | 中车长春轨道客车股份有限公司 | Rail vehicle collision test system |
-
2017
- 2017-09-04 CN CN201721121207.XU patent/CN207248545U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449621A (en) * | 2017-09-04 | 2017-12-08 | 西南交通大学 | A kind of sectional track vehicle collision dynamometric wall |
| CN107449621B (en) * | 2017-09-04 | 2023-04-25 | 西南交通大学 | Portable rail vehicle collision dynamometry wall |
| CN110553862A (en) * | 2019-09-30 | 2019-12-10 | 吉林大学 | Mass center double-freedom-degree adjustable collision test trolley with power |
| CN112146901A (en) * | 2020-09-25 | 2020-12-29 | 中车长春轨道客车股份有限公司 | Rail vehicle collision test system |
| WO2022062730A1 (en) * | 2020-09-25 | 2022-03-31 | 中车长春轨道客车股份有限公司 | Rail vehicle collision test system |
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