CN107806999A - Vehicle static strength test equipment - Google Patents
Vehicle static strength test equipment Download PDFInfo
- Publication number
- CN107806999A CN107806999A CN201710888749.8A CN201710888749A CN107806999A CN 107806999 A CN107806999 A CN 107806999A CN 201710888749 A CN201710888749 A CN 201710888749A CN 107806999 A CN107806999 A CN 107806999A
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- load
- strength test
- static strength
- test equipment
- loading device
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
-
- 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
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
-
- 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
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Physics & Mathematics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention proposes a kind of vehicle static strength test equipment, including longitudinal loading device, and carry and support the support car of longitudinal loading device, longitudinal loading device includes the fixed cross beam base being provided separately, moving beam base and support base, the fixed cross beam base is respectively equipped with the rail wheel being easily installed on the rail on ground with the moving beam base, and the support base is arranged on longitudinal loading device bottom and cooperates to play a supportive role in the vehicle static strength test equipment with the support car.The present invention realizes accident load applying device and is combined with longitudinal loading device agent structure, and avoiding experiment every time needs to reinstall the complicated processes of equipment, easy for installation during experiment, simple to operate, saves manpower and materials, improves operating efficiency.
Description
Technical field
The invention belongs to technical field of rail traffic, more particularly to a kind of vehicle static strength test equipment.
Background technology
With the rapid development of China's track traffic, EMU, city railway vehicle have been widely used.In order to
The needs of track traffic development are adapted to, facilitate main engine plants to be better understood by the various performances of vehicle, it is ensured that the matter of institute's offer vehicle
Amount, various strength tests need to be carried out to vehicle.Vehicle static strength test platform is exactly that can adapt to different kinds of railways common vehicle, city
The research and development of the body constructions such as rail vehicle, EMU, the comprehensive examination for improving the needs of enterprise innovation designed capacity and establishing
Test platform.The platform is substantially carried out various rail passenger car body test of static strengths, car body airtight strength test, while can also take into account
The test requirements document such as intensity of critical component (such as transition car coupler, vehicle body bottom frame crossbeam, hoisting structure, end construction) on car.
The vehicle static strength test stylobate used at present in each main engine plants is originally fixed old-fashioned structure entirely, has been applied
For many years, various problems be present.On the one hand it is that testing stand is fixedly mounted on foundation of civil work, vehicle static strength test platform needs
Meet to be installed on the foundation of civil work of certain condition.Vehicle static strength test platform requires higher to civil engineering, needs pre-buried
Reinforcing bar, foundation bolt and the various section bars of use carry out consolidation process to ground, and civil engineering cost cost is higher.On the other hand,
The vehicle static strength test platform self structure that current each main engine plants use is heavy, and agent structure is all cast to be formed, and longitudinal direction adds
The processing of the body side frame full thread of structure two is carried, support base is fixed on ground by foundation bolt.Above-mentioned vehicle static strength test platform cost
Height, and this vehicle static strength test platform, due to being related to foundation of civil work, can only be consolidated after selected address installation after basic
This place is scheduled on, then must be strange land vehicle transport to this car body if necessary to carry out vehicle static strength test to strange land vehicle
Static strength test rack place could be tested, and virtually increase vehicle strange land cost of transportation.In addition, vehicle static strength test platform
Longitudinal load test and headwall accident load test be divided into single two parts and carry out, experiment process is cumbersome.
The content of the invention
For technical problem existing for prior art, present invention offer one kind is readily disassembled, may move, multi-functional formula car body
Test of static strength equipment.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of vehicle static strength test equipment, including longitudinal loading device, and carry and support the longitudinal direction loading dress
The support car put, longitudinal loading device include the fixed cross beam base being provided separately, moving beam base and support base,
The fixed cross beam base is respectively equipped with the rail wheel being easily installed on the rail on ground with the moving beam base, described
Support base is arranged on longitudinal loading device bottom and cooperates to support the car body static strength with the support car
Testing equipment.
Preferably, longitudinal loading device further comprise fixed cross beam, moving beam and both ends respectively with institute
Fixed cross beam, the load steel pipe of moving beam connection are stated, the fixed cross beam is arranged on the fixed cross beam base, institute
Moving beam is stated on the moving beam base, the load steel pipe frame is on the support base.
Preferably, the load steel pipe is symmetrically distributed in longitudinal loading device opposite sides.
Preferably, longitudinal loading device further comprise being arranged at the fixed cross beam and the moving beam it
Between transmission crossbeam, the load steel pipe by the fixed cross beam, it is described transmission crossbeam and the moving beam be sequentially connected.
Preferably, the load steel pipe is interconnected to constitute the frame of closing with the fixed cross beam and the moving beam
Formula structure with reduce experiment during to outside formed impulsive force.
Preferably, the load steel pipe includes some segmented steel pipes, some segmented steel pipes are detachably connected
It is integrated so that the load length of steel pipe is adjustable to adapt to the car body of different length.
Preferably, the vehicle static strength test equipment also includes an accident load applying device, the accident load
Loading device plug-in type is arranged on longitudinal loading device.
Preferably, longitudinal loading device also includes fixed cross beam, moving beam and is arranged at described fixed horizontal
Transmission crossbeam between beam and the moving beam, the moving beam are provided with first sleeve, and the transmission crossbeam is provided with
Second sleeve pipe, the accident load applying device include being symmetricly set in the accident load loading at longitudinal loading device both ends
Unit, the accident load loading unit include symmetrically arranged headwall vertical beam, and the headwall vertical beam plug-in type is fixed on described
In first sleeve and second sleeve pipe.
Preferably, the accident load applying device further comprises pull bar tie-beam, the pull bar tie-beam both ends
It is fixedly connected with the symmetrically arranged headwall vertical beam.
Preferably, the accident load applying device further comprises brace and steel pipe locking bed, the brace
One end is connected with described pull bar tie-beam one end, and the brace other end is locked with the load steel pipe by the steel pipe
Seat is fixedly connected.
Compared with prior art, the advantages and positive effects of the present invention are：
1st, a kind of vehicle static strength test equipment of the present invention, because the fixed cross beam base and moving beam base are set
Rail wheel, the support base of the load steel pipe are rest directly upon on ground, simultaneously because load steel pipe, fixed cross beam and mobile horizontal stroke
Beam forms the closed-in construction of closing, longitudinal tensile force, compression stress is formed internal force to reduce the impulsive force to external structure, from
And realize that whole testing equipment is seated in facility floor, it is not necessary to foundation of civil work, save high construction investment cost.
2nd, a kind of vehicle static strength test equipment of the present invention, because the accident load applying device and the longitudinal direction load
Device uses plug-in mounting mode, simple to operate, quick and easy for installation.
Brief description of the drawings
Fig. 1 is a kind of structural representation of vehicle static strength test equipment specific embodiment of the present invention；
Fig. 2 is the side view of longitudinal loading device of vehicle static strength test equipment of the present invention in Fig. 1；
Fig. 3 is the top view of longitudinal loading device of vehicle static strength test equipment of the present invention in Fig. 2；
Fig. 4 is that the stereochemical structure of the accident load applying device of vehicle static strength test equipment of the present invention in Fig. 1 is shown
It is intended to；
Fig. 5 is the top view of the accident load applying device of vehicle static strength test equipment of the present invention in Fig. 4；
Fig. 6 is the side view of the accident load applying device of vehicle static strength test equipment of the present invention in Fig. 4；
Above in each figure：1st, longitudinal loading device；101st, fixed cross beam base；102nd, moving beam base；103rd, support
Seat；104th, rail wheel；105th, fixed cross beam；106th, moving beam；107th, load steel pipe；1071st, segmented steel pipe；108th, transmit
Crossbeam；109th, mobile terminal drawbar unit；110th, the first load cylinder；111st, fixing end drawbar unit；1111st, first sensor；
112nd, guide rod；113rd, first sleeve；114th, the second sleeve pipe；2nd, accident load applying device；21st, accident load loading unit；
211st, headwall vertical beam；212nd, brace；213rd, pull bar tie-beam；214th, steel pipe locking bed；215th, headwall loading moving beam；
216th, crossbeam is loaded；217th, the second load cylinder；218 second force snesors；3rd, car is supported；4th, locomotive；5th, false lift car.
Embodiment
Below, the present invention is specifically described by exemplary embodiment.It should be appreciated, however, that do not entering one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
In the description of the invention, it is necessary to which explanation, term " interior ", " outer ", " on ", " under ", "front", "rear" etc. indicate
Orientation or position relationship be based on position relationship shown in the drawings, be for only for ease of the description present invention and simplify description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose,
And it is not intended that instruction or hint relative importance.
As shown in Figure 1 and Figure 2, the present invention provides a kind of vehicle static strength test equipment, and it includes longitudinal loading device 1, thing
Therefore load charger 2, and support car 3, the accident load applying device 2 are arranged on longitudinal loading device 1, institute
Stating longitudinal loading device 1 includes fixed cross beam base 101, moving beam base 102, and support base 103, the fixed cross beam
Base 101 is provided with rail wheel 104, and the moving beam base 102 is provided with rail wheel 104, in order to surface-based rail
On, the support base 103 is arranged on longitudinal bottom of loading device 1 and cooperated to the support car 3 in institute
Vehicle static strength test equipment is stated to play a supportive role.
As shown in figure 3, longitudinal loading device 1 further comprises fixed cross beam 105, moving beam 106, load steel pipe
107 and transmit crossbeam 108, the fixed cross beam 105 be arranged on the fixed cross beam base 101 on, the moving beam 106 is pacified
On the moving beam base 102, the center of moving beam 106, which is run through, mobile terminal drawbar unit 109, the transmission
Crossbeam 108 is arranged between the fixed cross beam 105 and the moving beam 106 and above-mentioned three be arranged in parallel, the load
The fixed cross beam 105, the transmission crossbeam 108 and the moving beam 106 are sequentially connected by steel pipe 107, the load steel
Pipe 107 includes some segmented steel pipes 1071, and the load steel pipe 107 is advantageous to adjust length using the structure of multistage connection,
In order to adapt to the car body of different length, while be advantageous to dismantle, the load steel pipe 107 is arranged on the top of support base 4.
The load steel pipe 107, fixed cross beam 105 and moving beam 106 are interconnected to constitute the closed-in construction of closing, in order to longitudinal direction
Tensile force, compression stress form internal force, reduce testing equipment to the impulsive force of external structure, so as to realize that whole testing equipment is sat
Fall in facility floor, it is not necessary to foundation of civil work, save high construction investment cost.
The first load cylinder 110 is connected between the transmission crossbeam 108 and the fixed cross beam 105, described first adds
Oil cylinder is carried to be made up of 2 parameter identical engineering oil cylinders, there is provided required pressure is tested, it is described to transmit the main of crossbeam 108
Effect is to ensure the loading synchronous of the first load cylinder 110, while its caused loading force is passed into the fixed horizontal stroke
Beam 105 is with transmission crossbeam 108 center on the fixing end drawbar unit 111 set, the fixing end drawbar unit 111
First sensor 1111 is provided with, the first sensor 1111 is acquired to the power of application and passes to control unit, from
And realize to car body pulling force and the load test of pressure.Guarantor is provided between the fixed cross beam 105 and the transmission crossbeam 108
Demonstrate,prove the synchronous guide rod 112 of first load cylinder 110 and the guide rod 112 is connected with the fixed cross beam 105
One end passes through the fixed cross beam 105, and the guide rod 112 is added on the basis of the synchronization of the first load cylinder 110
Aided Machine is synchronous, further ensure loading force can keep level it is synchronous, avoid producing torque, cause to transmit crossbeam 108 and incline
Tiltedly, with the increase of testing stand service life, each load cylinder is possible to load asynchronous, and now the guide rod 112 can be with
It is synchronous to realize that mechanical guide ensures.
As shown in figure 4, the accident load applying device 2 includes being symmetricly set in the both ends of longitudinal loading device 1
Accident load loading unit 21, the accident load loading unit 21 include symmetrically arranged headwall vertical beam 211, during experiment, machine
Car 4 is placed between the symmetrically arranged accident load loading unit 21, and application load is carried out to it.
As shown in Figure 5, Figure 6, the moving beam 102 is provided with first sleeve 113, and the transmission crossbeam 108 is provided with
Second sleeve pipe 114, the headwall vertical beam 211 are inserted in the first sleeve 113 and second sleeve pipe 114 using grafting form
In, accident load applying device 2 is combined with longitudinal agent structure of loading device 1 by grafting form, avoids each examination
Testing needs the complicated processes for reinstalling equipment, easy for installation during experiment, simple to operate, saves manpower and materials, improves
Operating efficiency.
The accident load loading unit 21 also includes brace 212, pull bar tie-beam 213 and steel pipe locking bed 214,
The pull bar tie-beam both ends are connected with the symmetrically arranged headwall vertical beam, described one end of brace 212 and the pull bar
The one end of tie-beam 214 is connected, and the other end of brace 213 passes through the steel pipe locking bed phase with the load steel pipe 107
Connect in order to improve the stability of the accident load applying device 2.
The accident load loading unit 21 further comprises headwall loading moving beam 215 and loading crossbeam 216, described
Headwall loads and is provided with the second load cylinder 217 and second sensor 218 between moving beam 215 and the loading crossbeam 216,
The second sensor 218 is measured to the power being applied on car body, and the data measured are sent into control unit.
The course of work of vehicle static strength test equipment of the present invention is described in detail as follows below：
Vehicle static strength test is divided into longitudinal load test, accident load load test and Plumb load experiment.First,
The location and installation of rail wheel 104 that the vehicle static strength test equipment passes through fixed cross beam base 101 and moving beam base 102
On the ground of rail is covered with, load steel pipe 108 is supported by support base 103, and support base 103 directly contacts with ground,
The locomotive 4 to be tested is placed on what described load steel pipe 108, fixed cross beam 105 and moving beam 106 were interconnected to constitute
Close in closed-in construction.
When carrying out longitudinal load test, the rear and front end of locomotive 4 is drawn with the mobile terminal drawbar unit 109 and fixing end
Bar unit 111 is connected, and in the presence of the first load cylinder 110, applies pulling force, pressure to transmitting crossbeam 108, transmits crossbeam
108 transmit the force to coupled fixing end drawbar unit 111, are then applied power by fixing end drawbar unit 111
To locomotive 4, in this process, first sensor 1111 is measured to the power of application, and the data measured are sent into control
Unit processed.
When carrying out accident load load test, mainly vehicle floor side bar, waistband height and roof side rail are added
Carry, the height of headwall loading moving beam 215 can be adjusted up and down, in second to be connected with headwall loading moving beam 215
Under load cylinder 217 acts on, pressure is applied to loading crossbeam 216, power is applied to before and after locomotive 4 by loading crossbeam 216
The diverse location of end, be provided between the headwall loading load cylinder 217 of moving beam 215 and second second sensor 218, the
Two sensors 218 are measured to the power of application, and the data measured are sent into control unit.
When carrying out Plumb load experiment, it is counterweight loading by the way of, is being equipped with the chassis of timber floor or sleeper
Upper to apply test load that is uniform or concentrating, the distribution of load is close to actual bearer situation.
A kind of vehicle static strength test equipment provided by the invention, it passes through in fixed cross beam base 101 and moving beam
Base 102 sets rail wheel, and the support base 103 of load steel pipe 108 is rest directly upon on ground, in addition, load steel pipe 108, solid
Determine crossbeam 105 and moving beam 106 forms the closed-in construction of closing, longitudinal tensile force, compression stress is formed internal force, reduction pair
The impulsive force of external structure, so as to realize that whole testing equipment is seated in facility floor, it is not necessary to foundation of civil work.The accident
Load charger 2 uses plug-in mounting mode with longitudinal loading device 1, simple to operate, quick and easy for installation.
Claims (10)
- A kind of 1. vehicle static strength test equipment, it is characterised in that：Including longitudinal loading device, and carry and support described vertical Support car to loading device, longitudinal loading device include the fixed cross beam base that is provided separately, moving beam base with And support base, the fixed cross beam base are respectively equipped with the rail being easily installed on the rail on ground with the moving beam base Road wheel, the support base are arranged on longitudinal loading device bottom and cooperate to support the car with the support car Body test of static strength equipment.
- 2. vehicle static strength test equipment according to claim 1, it is characterised in that：Longitudinal loading device is further The load steel pipe being connected respectively with the fixed cross beam, the moving beam including fixed cross beam, moving beam and both ends, institute Fixed cross beam is stated on the fixed cross beam base, the moving beam is arranged on the moving beam base, described Load steel pipe frame is on the support base.
- 3. vehicle static strength test equipment according to claim 2, it is characterised in that：The load steel pipe is symmetrically distributed in Longitudinal loading device opposite sides.
- 4. vehicle static strength test equipment according to claim 3, it is characterised in that：Longitudinal loading device is further Including the transmission crossbeam being arranged between the fixed cross beam and the moving beam, the load steel pipe will be described fixed horizontal Beam, the transmission crossbeam and the moving beam are sequentially connected.
- 5. vehicle static strength test equipment according to claim 3, it is characterised in that：The load steel pipe and the fixation Crossbeam and the moving beam are interconnected to constitute the closed-in construction of closing to reduce the impact formed during experiment to outside Power.
- 6. according to the vehicle static strength test equipment described in claim any one of 2-5, it is characterised in that：The load steel pipe bag Include some segmented steel pipes, some segmented steel pipes be detachably connected as a whole so that the load length of steel pipe it is adjustable with Just the car body of different length is adapted to.
- 7. vehicle static strength test equipment according to claim 1, it is characterised in that：The vehicle static strength test equipment Also include an accident load applying device, the accident load applying device plug-in type is arranged on longitudinal loading device.
- 8. vehicle static strength test equipment according to claim 7, it is characterised in that：Longitudinal loading device also includes Fixed cross beam, moving beam and the transmission crossbeam being arranged between the fixed cross beam and the moving beam, the movement Crossbeam is provided with first sleeve, and the transmission crossbeam is provided with the second sleeve pipe, and the accident load applying device includes symmetrically setting The accident load loading unit at longitudinal loading device both ends is placed in, the accident load loading unit includes symmetrically arranged Headwall vertical beam, the headwall vertical beam plug-in type are fixed in the first sleeve and second sleeve pipe.
- 9. vehicle static strength test equipment according to claim 8, it is characterised in that：The accident load applying device enters One step includes pull bar tie-beam, and the pull bar tie-beam both ends are fixedly connected with the symmetrically arranged headwall vertical beam.
- 10. vehicle static strength test equipment according to claim 9, it is characterised in that：The accident load applying device Further comprise brace and steel pipe locking bed, described brace one end is connected with the pull bar tie-beam, the brace The other end is fixedly connected with the load steel pipe by the steel pipe locking bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710888749.8A CN107806999A (en) | 2017-09-27 | 2017-09-27 | Vehicle static strength test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710888749.8A CN107806999A (en) | 2017-09-27 | 2017-09-27 | Vehicle static strength test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107806999A true CN107806999A (en) | 2018-03-16 |
Family
ID=61591779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710888749.8A Pending CN107806999A (en) | 2017-09-27 | 2017-09-27 | Vehicle static strength test equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN107806999A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282997A (en) * | 2018-09-03 | 2019-01-29 | 中车长春轨道客车股份有限公司 | The dedicated anti-rotation positioning device of articulated structure part |
| CN109682615A (en) * | 2019-01-31 | 2019-04-26 | 西南交通大学 | A kind of suspension type single track car body strength test device |
| CN110057604A (en) * | 2019-05-22 | 2019-07-26 | 中车青岛四方车辆研究所有限公司 | Empty rail train body test of static strength method |
| CN110057605A (en) * | 2019-05-22 | 2019-07-26 | 中车青岛四方车辆研究所有限公司 | Empty rail train body test of static strength equipment |
| CN112478192A (en) * | 2020-10-30 | 2021-03-12 | 中国直升机设计研究所 | Full-mechanical static test loading rack of small-load helicopter |
| CN112924297A (en) * | 2021-03-26 | 2021-06-08 | 西南交通大学 | Loading device for crushing test board of railway vehicle |
| CN112985851A (en) * | 2019-11-29 | 2021-06-18 | 中车长春轨道客车股份有限公司 | Vehicle quasi-static test platform |
| CN113820150A (en) * | 2020-07-03 | 2021-12-21 | 中车唐山机车车辆有限公司 | Quasi-static compression test device for vehicle body end wall anti-collision column |
| CN115420741A (en) * | 2022-07-18 | 2022-12-02 | 苏州慧创云联智能科技有限公司 | Intelligent detection system for dividing wall of headwall |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282997B (en) * | 2018-09-03 | 2020-05-22 | 中车长春轨道客车股份有限公司 | Special anti-rotation positioning device for hinged structural part |
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| CN109682615A (en) * | 2019-01-31 | 2019-04-26 | 西南交通大学 | A kind of suspension type single track car body strength test device |
| CN109682615B (en) * | 2019-01-31 | 2020-10-30 | 西南交通大学 | Hanging type monorail vehicle body strength test device |
| CN110057604A (en) * | 2019-05-22 | 2019-07-26 | 中车青岛四方车辆研究所有限公司 | Empty rail train body test of static strength method |
| CN110057605A (en) * | 2019-05-22 | 2019-07-26 | 中车青岛四方车辆研究所有限公司 | Empty rail train body test of static strength equipment |
| CN112985851A (en) * | 2019-11-29 | 2021-06-18 | 中车长春轨道客车股份有限公司 | Vehicle quasi-static test platform |
| CN113820150A (en) * | 2020-07-03 | 2021-12-21 | 中车唐山机车车辆有限公司 | Quasi-static compression test device for vehicle body end wall anti-collision column |
| CN113820150B (en) * | 2020-07-03 | 2022-10-25 | 中车唐山机车车辆有限公司 | Quasi-static compression test device for vehicle body end wall anti-collision column |
| CN112478192A (en) * | 2020-10-30 | 2021-03-12 | 中国直升机设计研究所 | Full-mechanical static test loading rack of small-load helicopter |
| CN112478192B (en) * | 2020-10-30 | 2022-10-18 | 中国直升机设计研究所 | Full-mechanical static test loading rack of small-load helicopter |
| CN112924297A (en) * | 2021-03-26 | 2021-06-08 | 西南交通大学 | Loading device for crushing test board of railway vehicle |
| CN115420741A (en) * | 2022-07-18 | 2022-12-02 | 苏州慧创云联智能科技有限公司 | Intelligent detection system for dividing wall of headwall |
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Application publication date: 20180316 |