CN102735530A - Test bench of steel product - Google Patents
Test bench of steel product Download PDFInfo
- Publication number
- CN102735530A CN102735530A CN2012101979180A CN201210197918A CN102735530A CN 102735530 A CN102735530 A CN 102735530A CN 2012101979180 A CN2012101979180 A CN 2012101979180A CN 201210197918 A CN201210197918 A CN 201210197918A CN 102735530 A CN102735530 A CN 102735530A
- Authority
- CN
- China
- Prior art keywords
- hydraulic servo
- servo actuator
- cast iron
- electro
- platform
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a test bench of a steel product. The test bench includes multi-channel coordinated loading system, a mechanical system and a foundation. The multi-channel coordinated loading system comprises a power pump station and oil source, a control system, electro-hydraulic servo actuators, and a hydraulic pipeline. The mechanical system consists of door-shaped columns, a longitudinal beam, hydraulic servo actuator installation seats, and a portal frame. The foundation included cast iron platforms. The portal frame is composed of portal frame columns and a portal frame beam, with the portal frame columns connected to a cast iron platform II. The door-shaped columns are in connection with a cast iron platform I. The hydraulic servo actuator installation seats are connected to the cast iron platform. The door-shaped columns are provided with transverse beams. The transverse beams, the longitudinal beam, and the portal frame beam are equipped with hydraulic servo actuator hanging seats. The electro-hydraulic servo actuators are respectively connected to the hydraulic servo actuator hanging seats, and are in connection with the electro-hydraulic servo actuator installation seats. The electro-hydraulic servo actuators are provided with sensors. Thus, vertical, transverse and longitudinal displacement, static and fatigue load loading can be realized simultaneously.
Description
Technical field
The present invention relates to steel product experimental technique field, relate in particular to a kind of testing table of realizing three directions about the multi-functional steel product of static(al), displacement or the loading of cyclic stress three-dimensional simultaneously.
Background technology
Mostly steel product is weldment and cast member, in order to guarantee the rational in infrastructure and serviceable life of product, in design, must consider the intensity and the fatigue reliability of product.But owing to use a computer, the difference of the aspects such as level of analytical calculation software and personnel's structure of knowledge, result of calculation is not quite similar, and therefore is necessary to come through test the result of proof strength analytical calculation.The testing table of traditional steel product is single portal frame, and the test load load mode is single, can only carry out the single task operating mode, and not only test load is low, and test efficiency is low.Publication number is that the Chinese patent of CN 201476969 U has been announced " bogie fatigue test board "; It adopts two portal frame structures, on the basis of improving test loading tonnage, can satisfy three tests and launch simultaneously, and this bogie fatigue test board has been realized horizontal and vertical loading; Improved test efficiency; But the mechanical system middle cross beam is placed on the column centre and adopts bolt to connect in the above-mentioned patent, and wherein bolt receives shear stress, and the testing table security decreases; Have only two longitudinal beams between the portal frame, under longitudinal beam, be provided with needle beam just can the implementation platform scope in the loading of arbitrfary point, the hand labor amount increases relatively because needle beam is set between a plurality of tests, and has limited the vertical size of steel product; Upright post base is used for placing test specimen separately on the cast iron platform on ground, during the steel specimen test, ground is stressed very big, and only to the fatigue test board of passenger train from goods train bogie exploitation, the steel test products is single relatively.
Summary of the invention
The object of the invention be exactly for the testing table that solves the steel product that prior art exists be single portal frame; The test load load mode is single; Can only carry out the single task operating mode, test load is low, test efficiency lowly and easily produces dysgenic problem to surrounding environment; A kind of steel product testing table is provided; Have rational in infrastructurely, safe and reliable, can realize that large-tonnage loads, can realize simultaneously vertical, laterally, displacement longitudinally, static(al) and fatigue load loaded; Also can implement to load, can make an experiment simultaneously, reduce the vibration influence of load, be convenient to dismounting and resettlement surrounding environment to five steel product to platform any point; Fallen the cost that overlapping investment is built greatly, test platform is fit to the test of multiple steel product, like railway freight-car steel foundry goods bogie side frame, bolster; Framework, the large-scale bent axle that brake beam, spring, boats and ships are used; The metal sludge collecting box, steel product such as auto parts and components can realize rigidity, static strength and the torture test of steel product parts simultaneously.
For realizing above-mentioned purpose, the present invention adopts following technical proposals:
A kind of testing table of steel product; Comprise hyperchannel harmony loading system, mechanical system and ground; Said hyperchannel harmony loading system comprises power pumping plant and the oil sources that connects successively; Control system, electro-hydraulic servo actuator, fluid pressure line, said mechanical system comprise a shape column, longitudinal beam, hydraulic servo actuator mount pad, portal frame, and said ground comprises cast iron platform I and cast iron platform II; Portal frame comprises gantry pillar, the portal frame crossbeam that is connected, and gantry pillar is connected with the cast iron platform II; Door shape column is connected with cast iron platform I; Hydraulic servo actuator mount pad is connected with cast iron platform I; Door shape column is provided with transverse beam; Longitudinal beam is connected with two transverse beams, and transverse beam, longitudinal beam, portal frame crossbeam are provided with hydraulic servo actuator flap seat I, hydraulic servo actuator flap seat II and hydraulic servo actuator flap seat III, and electro-hydraulic servo actuator is connected with hydraulic servo actuator flap seat I, hydraulic servo actuator flap seat II and hydraulic servo actuator flap seat III respectively; Electro-hydraulic servo actuator is connected with the electro-hydraulic servo actuator mount pad, and hydraulic servo actuator mount pad laterally is located at a centre of shape column; Electro-hydraulic servo actuator is provided with displacement transducer and pressure transducer, and displacement transducer, pressure transducer are connected with control system through data line respectively.
Control system comprises some computers, multichannel data acquisition system, long-range Oil-source control platform; Multichannel data acquisition system, long-range Oil-source control platform are connected with computer respectively through data line, control the action of electro-hydraulic servo actuator and the collection of sensing data through long-range Oil-source control platform and multichannel data acquisition system.When the electro-hydraulic servo actuator of every computer control varying number during with multichannel data acquisition system work, loading when having realized Multitest.The quantity of electro-hydraulic servo actuator is confirmed according to the test demand, and is the amount doesn't matter.Every computer can be locked in any electro-hydraulic servo actuator of control, as: when A computer control A and B actuator, other computers do not have authority that A and B actuator are controlled.
Cast iron platform is provided with crisscross T-shape groove, and door shape column is connected with the T-shape groove of cast iron platform through bolt, and gantry pillar is connected with the T-shape groove of cast iron platform through bolt, and the portal frame crossbeam is connected with gantry pillar through bolt; Door shape column is connected through screw rod I with transverse beam; Three actuator are installed flap seat and are connected with transverse beam through the screw rod II; Actuator installation flap seat I is connected with longitudinal beam through the screw rod III one by one; Four actuator are installed the flap seat II and are connected with longitudinal beam through the screw rod III, and two actuator are installed the flap seat III and are connected with the portal frame crossbeam through the screw rod IV; Longitudinal beam is connected with two transverse beams through bolt, and the actuator mount pad is connected with cast iron platform I through bolt.
The flap seat of electro-hydraulic servo actuator and transverse beam, longitudinal beam, portal frame crossbeam links together through bolt, links together through bolt between electro-hydraulic servo actuator and the electro-hydraulic servo actuator mount pad.
Connect through bolt between cast iron platform I, the cast iron platform II, cast iron platform adopts earth anchor to be bolted on the cemented platform.Cast iron platform I and cast iron platform II are bolted on the cemented platform through earth anchor, and in needs, cast iron platform I and cast iron platform II can be dismantled.
Cemented platform is set up the shock insulation band with ground on every side.
The electro-hydraulic servo actuator mount pad is through the T-shape groove, laterally or be vertically fixed on cast iron platform I or the cast iron platform II.According to the test needs, actuator is installed flap seat and is adjusted to the appropriate location, moves the electro-hydraulic servo actuator mount pad simultaneously to the relevant position, can platform a bit realize simultaneously arbitrarily vertical, horizontal, vertically about displacement, static(al) and fatigue load loaded.
Control system comprises five computers; Pass through control strategy; Every computer (for example: when A computer control A and B actuator can be locked in any electro-hydraulic servo actuator of control; Other computers do not have authority that A and B actuator are controlled), the steel product testing table can realize simultaneously that five tests load, and a bit realizes vertical, horizontal, vertical loading about displacement, static(al) and fatigue load arbitrarily simultaneously at platform.
Principle of work of the present invention: the present invention includes hyperchannel harmony loading system, mechanical system and ground; Said hyperchannel harmony loading system comprises power pumping plant and the oil sources that connects successively; Control system, electro-hydraulic servo actuator, fluid pressure line; Said mechanical system comprises a shape column, longitudinal beam, hydraulic servo actuator mount pad, portal frame; Said ground comprises cast iron platform I and cast iron platform II, and portal frame comprises gantry pillar, the portal frame crossbeam that is connected, and gantry pillar is connected with the cast iron platform II; Door shape column is connected with cast iron platform I; Hydraulic servo actuator mount pad 4 is connected with cast iron platform I; Door shape column is provided with transverse beam; Longitudinal beam is connected with two transverse beams, and transverse beam, longitudinal beam, portal frame crossbeam are provided with hydraulic servo actuator flap seat I, hydraulic servo actuator flap seat II and hydraulic servo actuator flap seat III, and electro-hydraulic servo actuator is connected with hydraulic servo actuator flap seat I, hydraulic servo actuator flap seat II and hydraulic servo actuator flap seat III respectively; Electro-hydraulic servo actuator is connected with the electro-hydraulic servo actuator mount pad, and hydraulic servo actuator mount pad laterally is located at a centre of shape column; Electro-hydraulic servo actuator is provided with displacement transducer and pressure transducer, and displacement transducer, pressure transducer are connected with control system through data line respectively.During test steel product is placed on cast iron platform I or the cast iron platform II and through frock and fixes; Through the control system electric signal; The oil sources of power pumping plant provides power through fluid pressure line to electro-hydraulic servo actuator; Electro-hydraulic servo actuator is implemented static(al), displacement or fatigue load loaded to test specimen; Through frock displacement transducer mobile terminal and stiff end are separately fixed on the start head and pedestal of electro-hydraulic servo actuator, during electro-hydraulic servo actuator work, pedestal is motionless; Displacement transducer is obtained the measurement of steel product shift value under the particular load power through the to-and-fro movement of start head, or realizes that through the shift value of control bit displacement sensor the displacement of start head loads; Pressure transducer is fixed on the start head of electro-hydraulic servo actuator through frock, to obtain the collection of force value measurement data.Through be located at foil gauge and the sensor on the electro-hydraulic servo actuator on the steel test specimen with various information feedback to control system.
Beneficial effect of the present invention:
1. structure stress of the present invention is reasonable, safe and reliable, can realize that large-tonnage loads, realize simultaneously vertical, laterally, displacement longitudinally, static(al) and fatigue load loaded, and platform any point implemented to load;
2. usable range is wide, is applicable to the test of multiple steel product and multinomial steel product is made an experiment simultaneously, like railway freight-car steel foundry goods bogie side frame; Bolster, framework, brake beam; The large-scale bent axle that spring, boats and ships are used, the metal sludge collecting box; Steel product such as auto parts and components realize rigidity, static strength and the torture test of steel product parts simultaneously;
3. reasonable in design is convenient to dismounting and resettlement, has reduced the cost that overlapping investment is built;
4. the shock insulation band is set, and damping property is good, has reduced the vibration influence of load to surrounding environment.
Description of drawings
Fig. 1 is a structural front view of the present invention;
Fig. 2 is a structure right view of the present invention;
Fig. 3 is a structure vertical view of the present invention;
Wherein, a 1. shape column, 2. transverse beam, 3. longitudinal beam, 4. hydraulic servo actuator mount pad; 5. cast iron platform I, 6. gantry pillar, 7. portal frame crossbeam, 8. cast iron platform II, 9-1. hydraulic servo actuator flap seat I; 9-2. hydraulic servo actuator flap seat II, 9-3. hydraulic servo actuator flap seat III, 10. screw rod I, 11. hydraulic servo actuator, 12. fluid pressure lines; 13. control system, 14. power pumping plant and oil sources, 15. screw rod II, 16. bolts, 17. screw rod III; 18. the earth anchor bolt, 19. bolts, 20. bolts, 21. screw rod IV.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
A kind of steel product testing table; In conjunction with Fig. 1 to Fig. 3; Comprise hyperchannel harmony loading system, mechanical system and ground, said hyperchannel harmony loading system comprises power pumping plant and the oil sources 14 that connects successively, control system 13, electro-hydraulic servo actuator 11, fluid pressure line 12; Said mechanical system comprises a shape column 1, longitudinal beam 3, hydraulic servo actuator mount pad 4, portal frame; Said ground comprises cast iron platform I5 and cast iron platform II 8, and portal frame comprises gantry pillar 6, the portal frame crossbeam 7 that is connected, and gantry pillar 6 is connected with cast iron platform II 8; Door shape column 1 is connected with cast iron platform I5; Hydraulic servo actuator mount pad 4 is connected with cast iron platform I5; Door shape column 1 is provided with transverse beam 2; Longitudinal beam 3 is connected with two transverse beams 2; Transverse beam 2, longitudinal beam 3, portal frame crossbeam 7 are provided with hydraulic servo actuator flap seat I9-1, hydraulic servo actuator flap seat II 9-2 and hydraulic servo actuator flap seat III 9-3; Electro-hydraulic servo actuator 11 is connected with hydraulic servo actuator flap seat I9-1, hydraulic servo actuator flap seat II 9-2 and hydraulic servo actuator flap seat III 9-3, and electro-hydraulic servo actuator 11 is connected with electro-hydraulic servo actuator mount pad 4, and hydraulic servo actuator mount pad 4 laterally is located at a centre of shape column 1; Electro-hydraulic servo actuator 11 is provided with displacement transducer and pressure transducer, and displacement transducer, pressure transducer are connected with control system through data line respectively.Through frock displacement transducer mobile terminal and stiff end are separately fixed on the start head and pedestal of electro-hydraulic servo actuator; During electro-hydraulic servo actuator 11 work; Pedestal is motionless; Displacement transducer is obtained the measurement of steel product shift value under the particular load power through the to-and-fro movement of start head, or realizes that through the shift value of control bit displacement sensor the displacement of start head loads; Pressure transducer is fixed on the start head of electro-hydraulic servo actuator 11 through frock, to obtain the collection of force value measurement data.
Control system comprises some computers, multichannel data acquisition system, long-range Oil-source control platform; Multichannel data acquisition system, long-range Oil-source control platform are connected with computer respectively through data line; Operating computer, control the action of electro-hydraulic servo actuator 11 and the collection of displacement transducer and pressure sensor data through long-range Oil-source control platform and multichannel data acquisition system, the quantity of electro-hydraulic servo actuator is confirmed according to the test demand.When the electro-hydraulic servo actuator 11 of every computer control varying number is worked with multichannel data acquisition system, load when just having realized Multitest.Every computer can be locked in any electro-hydraulic servo actuator 11 of control, and during like A computer control A and B actuator, other computers do not have authority that A and B actuator are controlled.
Cast iron platform is provided with crisscross T-shape groove; Door shape column 1 is connected with the T-shape groove of cast iron platform through bolt 16; Gantry pillar 6 is connected with the T-shape groove of cast iron platform through bolt, and portal frame crossbeam 7 is connected with gantry pillar 6 through bolt; Door shape column 1 is connected through screw rod I10 with transverse beam 2; Three actuator are installed flap seat I9-1 and are connected with transverse beam 2 through screw rod II 15; An actuator is installed flap seat I9-1 and is connected with longitudinal beam 3 through screw rod III 17; Four actuator are installed flap seat II 9-2 and are connected with longitudinal beam 3 through screw rod III 17, and two actuator are installed flap seat III 9-3 and are connected with portal frame crossbeam 7 through screw rod IV 21; 3 longitudinal beams 3 are connected with two transverse beams 2 through bolt 20, and 3 actuator mount pads 4 are connected with cast iron platform I5 through bolt 16.Electro-hydraulic servo actuator 11 links together through bolt with the flap seat of transverse beam 2, longitudinal beam 3, portal frame crossbeam 7, links together through bolt between electro-hydraulic servo actuator 11 and the electro-hydraulic servo actuator mount pad 4.Connect through bolt 19 between cast iron platform I5, the cast iron platform II 8, cast iron platform adopts earth anchor bolt 18 to be fixed on the cemented platform.Cast iron platform I5 and cast iron platform II 8 are bolted on the cemented platform through earth anchor, and in needs, cast iron platform I5 and cast iron platform II 8 can be dismantled.Cemented platform is set up the shock insulation band with ground on every side.Electro-hydraulic servo actuator mount pad 4 is through the T-shape groove, laterally or be vertically fixed on cast iron platform I5 or the cast iron platform II 8.According to the test needs, actuator is installed flap seat 9 and is adjusted to the appropriate location, moves electro-hydraulic servo actuator mount pad 4 simultaneously to the relevant position, can platform a bit realize simultaneously arbitrarily vertical, horizontal, vertically about displacement, static(al) and fatigue load loaded.Steel product is placed on cast iron platform I5 or the cast iron platform II 8 at the trial; Be fixed through frock; Through control system 13 electric signal; The oil sources 14 of power pumping plant provides power through fluid pressure line 12 to electro-hydraulic servo actuator 11, and the 11 pairs of test specimens of electro-hydraulic servo actuator are implemented static(al), displacement or fatigue load loaded, through be located at foil gauge and the sensor on the electro-hydraulic servo actuator 11 on the steel test specimen with various information feedback to control system.
Though the above-mentioned accompanying drawing that combines is described the embodiment of invention; But be not restriction to protection domain of the present invention; One of ordinary skill in the art should be understood that; On the basis of technical scheme of the present invention, those skilled in the art need not pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. the testing table of a steel product; Comprise hyperchannel harmony loading system, mechanical system and ground; Said hyperchannel harmony loading system comprises power pumping plant and the oil sources that connects successively; Control system, electro-hydraulic servo actuator, fluid pressure line, said mechanical system comprise a shape column, longitudinal beam, hydraulic servo actuator mount pad, portal frame, and said ground comprises cast iron platform I and cast iron platform II; Portal frame comprises gantry pillar, the portal frame crossbeam that is connected, and gantry pillar is connected with the cast iron platform II; Door shape column is connected with cast iron platform I; Hydraulic servo actuator mount pad is connected with cast iron platform I; Door shape column is provided with transverse beam; Longitudinal beam is connected with two transverse beams, and transverse beam, longitudinal beam, portal frame crossbeam are provided with hydraulic servo actuator flap seat I, hydraulic servo actuator flap seat II and hydraulic servo actuator flap seat III, and electro-hydraulic servo actuator is connected with hydraulic servo actuator flap seat I, hydraulic servo actuator flap seat II and hydraulic servo actuator flap seat III respectively; Electro-hydraulic servo actuator is connected with the electro-hydraulic servo actuator mount pad, and hydraulic servo actuator mount pad laterally is located at a centre of shape column; Electro-hydraulic servo actuator is provided with displacement transducer and pressure transducer, and displacement transducer, pressure transducer are connected with control system through data line respectively.
2. the testing table of steel product as claimed in claim 1; It is characterized in that; Said control system comprises some computers, multichannel data acquisition system, long-range Oil-source control platform; Multichannel data acquisition system, long-range Oil-source control platform are connected with computer respectively through data line, control the action of electro-hydraulic servo actuator and the collection of sensing data through long-range Oil-source control platform and multichannel data acquisition system.
3. the testing table of steel product as claimed in claim 1; It is characterized in that; Said cast iron platform is provided with crisscross T-shape groove; Door shape column is connected with the T-shape groove of cast iron platform through bolt, and gantry pillar is connected with the T-shape groove of cast iron platform through bolt, and the portal frame crossbeam is connected with gantry pillar through bolt; Door shape column is connected through screw rod I with transverse beam; Three actuator are installed flap seat and are connected with transverse beam through the screw rod II; An actuator is installed flap seat I and is connected with longitudinal beam through the screw rod III; Four actuator are installed the flap seat II and are connected with longitudinal beam through the screw rod III, and two actuator are installed the flap seat III and are connected with the portal frame crossbeam through the screw rod IV; Longitudinal beam is connected with two transverse beams through bolt, and the actuator mount pad is connected with cast iron platform I through bolt.
4. the testing table of steel product as claimed in claim 1; It is characterized in that; The flap seat of said electro-hydraulic servo actuator and transverse beam, longitudinal beam, portal frame crossbeam links together through bolt, links together through bolt between electro-hydraulic servo actuator and the electro-hydraulic servo actuator mount pad.
5. the testing table of steel product as claimed in claim 1 is characterized in that, connects through bolt between said cast iron platform I, the cast iron platform II, and cast iron platform adopts earth anchor to be bolted on the cemented platform.
6. the testing table of steel product as claimed in claim 5 is characterized in that, said cemented platform is set up the shock insulation band with ground on every side.
7. the testing table of steel product as claimed in claim 1 is characterized in that, said electro-hydraulic servo actuator mount pad is through the T-shape groove, laterally or be vertically fixed on cast iron platform I or the cast iron platform II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210197918.0A CN102735530B (en) | 2012-06-15 | 2012-06-15 | Test bench of steel product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210197918.0A CN102735530B (en) | 2012-06-15 | 2012-06-15 | Test bench of steel product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102735530A true CN102735530A (en) | 2012-10-17 |
| CN102735530B CN102735530B (en) | 2014-07-23 |
Family
ID=46991424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210197918.0A Active CN102735530B (en) | 2012-06-15 | 2012-06-15 | Test bench of steel product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102735530B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076222A (en) * | 2013-01-17 | 2013-05-01 | 长安大学 | Multi-station horizontal operation force anti-fatigue test stand |
| CN114264544A (en) * | 2021-12-03 | 2022-04-01 | 中车山东机车车辆有限公司 | Flexible device for static load and fatigue test of brake beam |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201145641Y (en) * | 2008-01-16 | 2008-11-05 | 吉林大学 | System for detecting four-pillar type rail vehicle steering frame rigidity |
| CN101561339A (en) * | 2009-05-31 | 2009-10-21 | 吉林大学 | System for dynamically detecting stiffness parameters of closed-loop diagonal-bracing type vehicle bogies |
| CN201476969U (en) * | 2009-07-06 | 2010-05-19 | 青岛四方车辆研究所有限公司 | Bogie fatigue testing stand |
| CN102042901A (en) * | 2010-11-08 | 2011-05-04 | 吉林大学 | Test bench for suspension self-vibration property of steering frame of railway vehicle based on sine frequency sweeping method |
| CN202693401U (en) * | 2012-06-15 | 2013-01-23 | 济南轨道交通装备有限责任公司 | Test bed for steel product |
-
2012
- 2012-06-15 CN CN201210197918.0A patent/CN102735530B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201145641Y (en) * | 2008-01-16 | 2008-11-05 | 吉林大学 | System for detecting four-pillar type rail vehicle steering frame rigidity |
| CN101561339A (en) * | 2009-05-31 | 2009-10-21 | 吉林大学 | System for dynamically detecting stiffness parameters of closed-loop diagonal-bracing type vehicle bogies |
| CN201476969U (en) * | 2009-07-06 | 2010-05-19 | 青岛四方车辆研究所有限公司 | Bogie fatigue testing stand |
| CN102042901A (en) * | 2010-11-08 | 2011-05-04 | 吉林大学 | Test bench for suspension self-vibration property of steering frame of railway vehicle based on sine frequency sweeping method |
| CN202693401U (en) * | 2012-06-15 | 2013-01-23 | 济南轨道交通装备有限责任公司 | Test bed for steel product |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076222A (en) * | 2013-01-17 | 2013-05-01 | 长安大学 | Multi-station horizontal operation force anti-fatigue test stand |
| CN114264544A (en) * | 2021-12-03 | 2022-04-01 | 中车山东机车车辆有限公司 | Flexible device for static load and fatigue test of brake beam |
| CN114264544B (en) * | 2021-12-03 | 2024-02-13 | 中车山东机车车辆有限公司 | Flexible device for static load and fatigue test of brake beam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102735530B (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101216376B (en) | Four-column type rail vehicle bogie rigidity detection system | |
| CN102226743B (en) | Rail vehicle vehicle terminal relation integration testing stand | |
| CN103048149B (en) | Parameter determining test bed for gantry framework type rail vehicle bogie | |
| CN105334040B (en) | Ratio car body fatigue strength and loading spectrum development test platform under excitation load | |
| CN101561339B (en) | System for dynamically detecting stiffness parameters of closed-loop diagonal-bracing type vehicle bogies | |
| CN101750248A (en) | Multipoint loading fatigue tester controlled by microcomputer | |
| CN105067238B (en) | A kind of flexible member big load fatigue experimental device and test method and installation method | |
| CN102095578B (en) | High-speed train transmission system assembly reliability test bed | |
| CN106198258B (en) | Rock shear strength size effect testing machine | |
| CN104215466B (en) | A kind of test method of train body chassis fatigue strength | |
| CN102042901B (en) | Test bench for suspension self-vibration property of steering frame of railway vehicle based on sine frequency sweeping method | |
| CN205209792U (en) | Proportion automobile body fatigue strength and loading spectrum research test platform under multiple spot excitation load | |
| CN101750250A (en) | Microcomputer controlled electro-hydraulic servo multi-functional pressure-shear test machine | |
| CN110702545A (en) | Pantograph/contact net coupling system operation test stand and test method thereof | |
| CN202693401U (en) | Test bed for steel product | |
| CN201583416U (en) | Double six-DOF motion test platform for railway vehicle bogie | |
| CN105571843A (en) | Vehicle end relation variable structure test stand for rail vehicle | |
| CN102944433A (en) | Architecture locating device for bogie parameter test bench | |
| CN201476969U (en) | Bogie fatigue testing stand | |
| CN201145641Y (en) | System for detecting four-pillar type rail vehicle steering frame rigidity | |
| CN102735530B (en) | Test bench of steel product | |
| CN103033333B (en) | Anti-roll performance testing apparatus in cab | |
| CN109682615B (en) | Hanging type monorail vehicle body strength test device | |
| CN202836993U (en) | Testing stand for measuring truck parameters of gantry framework type railway vehicle | |
| CN204740133U (en) | Big load fatigue test device of elastic element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022 Patentee after: Shandong Zhongche Locomotive Co. Ltd. Address before: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022 Patentee before: Jinan Rail Traffic Equipment Co., Ltd. |