CN203337353U - Comprehensive performance testing device of air spring - Google Patents
Comprehensive performance testing device of air spring Download PDFInfo
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- CN203337353U CN203337353U CN2013204065063U CN201320406506U CN203337353U CN 203337353 U CN203337353 U CN 203337353U CN 2013204065063 U CN2013204065063 U CN 2013204065063U CN 201320406506 U CN201320406506 U CN 201320406506U CN 203337353 U CN203337353 U CN 203337353U
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- air spring
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- performance testing
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Abstract
The utility model discloses a comprehensive performance testing device of an air spring and belongs to the technical field of vehicle engineering. The comprehensive performance testing device can effectively solve the problem that vertical, transverse and torsion tests can be carried out on the air spring at the same time, and the comprehensive performance testing device can also effectively solve the problems such as simulations of actual working states of the air spring. A rack is a four-column type rack; the middle part of the comprehensive performance testing device is provided with a bearing platform, a device for bearing a counterweight is disposed on the bearing platform, and a sensor is disposed under the bearing platform; fixing nuts are disposed on columns of the rack; vertical hydraulic actuators which are arranged in a planar triangle are disposed below a workbench; and the volume of an additional air chamber is adjustable. Affects of environment of regions having different temperatures on dynamics performance of the air spring can be simulated thorough a peripheral air-conditioning system; multidimensional excitations can be applied on the air spring through exciting vibration sources; changes in load and deflection of the air spring under conditions of different environment temperatures and different physical parameters are tested; and the dynamic stiffness, the static stiffness, the damping ratio, the transmission ratio and other parameters of the air spring can be calculated on the basis of vibration characteristic parameters. The comprehensive performance testing device is mainly used in comprehensive performance tests of the air spring.
Description
Technical field
The utility model is to belong to the Vehicle Engineering technical field, particularly the dynamic and static characteristic test device of vehicle air spring.
Background technology
Along with the raising of running velocity and comfortableness is required day by day strict, air spring is widely used because it has good linear Stiffness and damping performance.Its good dynamic performance makes it aspect raising running velocity and riding comfort, play vital effect.The rigidity of air spring, damping characteristic are subject to the impact of many physical parameters and temperature and actual condition, material nonlinearity due to air spring, the factor such as geometrical non-linearity and contact nonlinear, cause that air spring is carried out to dynamic analysis and become comparatively difficult, therefore, be badly in need of a kind ofly can considering environment temperature, air spring bulk volume, auxiliary chamber volume, the throttle orifice diameter, test method and the testing equipment of the factors such as connecting line length on the impact of air spring dynamic perfromance, in order to carry out complete dynamics research to air spring.
The four directions vehicle research has vertical vibration testing table and two kinds of testing tables of transverse vibration testing table, vertical excitation charger is housed respectively, the transversely excited charger, wherein vertical testing table can be regulated upper end load mass piece quality, maximum vertical load 20t, when high frequency loads, equipment precision does not meet the test demand, and the transverse test platform separates with vertical testing table, therefore can't carry out vertical and horizontal and twisting test to air spring, good simulated air spring actual working state simultaneously.
The utility model content
The utility model provides a kind of air spring comprehensive performance testing device, and it can effectively measure different physical and temperature affects the air spring dynamic performance.
The utility model realizes that the technical scheme that its goal of the invention adopts is: the air spring comprehensive performance testing device, comprise frame, actuator, hydraulic system, high-low pressure gas-holder and compressor, frame is four pillar constructions, middle part is provided with plummer, the plummer top is provided with inside grid carrying counter weight device, and below is provided with sensor.Framework pillar is marked with height value and is provided with the taper hold-down nut, between the mating surface of plummer lower surface and hold-down nut upper surface contact portion, tapering is arranged; Worktable upper surface has annular groove, and below is provided with and is three two vertical hydraulic actuators of ball pivot that plane triangle is arranged.Side is connected with the inferior angle of elevation of set square on being hinged on bearing by two hinged vertical hydraulic actuators, and the set square drift angle passes through single ball pivot connecting link and is connected with worktable.For being filled with the hydraulic oil barrel-like structure, by connecting line, with worktable, be connected in auxiliary chamber, can control the size of air chamber by the size of adjusting oil mass, realize the adjustable continuously of auxiliary chamber volume size.The air intake opening of auxiliary chamber is connected with compressor with the high-low pressure gas-holder of peripheral hardware through tracheal pressure, and the exhausr port of auxiliary chamber directly is connected with atmosphere.
Described hydraulic system comprises pipeline and the cooling system of power pump, oil sources, connection actuator, actuator rated pressure 210--280bar, and its tailpiece of the piston rod adopts hydrostatic bearing.Plummer can be followed counter weight device and be done vertical vibration along column.The counter weight device quality can be regulated, for simulating actual empty spring load; The taper hold-down nut is arranged on framework pillar, can be by plummer along vertical and horizontal fixing.Framework pillar is marked with height value, can carry out fine adjustment to four hold-down nut height on same workplace, avoids plummer to occur crooked; The upper surface of lower end hold-down nut and plummer lower surface and hold-down nut mating surface have tapering, can utilize the plummer deadweight to carry out centering.
The worktable below of bearing test part (as air spring etc.) is provided with vertical excitation charger, the worktable side is provided with the transversely excited charger and reverses the excitation charger, and their actuator all is connected with hydraulic system.Have annular groove on worktable, can place rubber seal, meet there being impermeability to require the testing requirements of testpieces, three two vertical hydraulic actuators of ball pivot are arranged under worktable, be plane triangle and arrange.Described transversely excited charger is to be connected with the set square on being hinged on bearing by two hinged vertical hydraulic actuators, by single ball pivot connecting link, with worktable, is connected, and catenary motion can be transformed to transverse movement.Described torsion exciting bank is comprised of two groups of transversely excited chargers, when two two hinged hydraulic actuator anti-phase motion, by the set square connection be hinged on bearing, catenary motion is changed to transverse movement, makes worktable produce twisting motion.Vertical, horizontal, reverse exciting bank and form whole six degree of freedom excitation system and be installed in melt pit, can adjust height of table by regulating actuator, with the standard operation height of warranty test part (as air spring etc.).Like this, the six degree of freedom exciting device can accurately realize that three directions (vertical, horizontal, vertical) move dynamically and rotate.Also be connected with flexible empty spring insulating cover between described worktable and plummer, empty spring insulating cover side is connected with the peripheral hardware air-conditioning by airduct.The regulatory function of realization to the air spring operating ambient temperature
Compared with prior art, the effect that the utility model is useful is:
One, this test unit combines six degree of freedom exciting bank vertical, horizontal, that reverse air spring is carried out to dynamic load, and than simple transverse vibration testing table and vertical testing table, experimentation cost is lower, tests more convenient.When wherein vertical excitation loads, but upper end mass free movement can reflect the air spring stressing conditions more really, and the vertical free vibration of simulating vehicle well, make test figure more true and reliable.
Two, adopt the peripheral hardware air-conditioning to be controlled temperature, can the temperature of simulated air spring in actual working environment, particularly the dynamics research tool of high-cold vehicle air spring is of great significance.
Three, can implement to load up to the high frequency of 50Hz to air spring, because domestic there is no at present for air spring applies the development test of 10Hz with upper frequency, therefore, this test unit seems very important for the research air spring at the dynamics under high frequency pumping.
Four, adopt tapered cup nut, coordinate with the upper end plummer, utilize the deadweight automatic centering of counter weight device, thereby avoided the upper end plummer to rub with important actor etc. due to the position deviation center in moving process, affect the accuracy of test figure.
Five, auxiliary chamber is interior is connected with worktable by connecting line for being filled with the hydraulic oil barrel-like structure, can control the size of air chamber volume by the size of adjusting oil mass, realizes the adjustable continuously of auxiliary chamber volume size.
Below in conjunction with the drawings and specific embodiments, the utility model will be further described.
The accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is A-A sectional view of the present utility model.
Fig. 3 is left TV structure schematic diagram of the present utility model.
Fig. 4 is vertical hydraulic actuator schematic layout pattern of the present utility model.
Fig. 5 is vertical hydraulic actuator schematic perspective view of the present utility model.
Fig. 6 is perspective view of the present utility model.
Embodiment
Embodiment
The utility model is to have considered the impact on the air spring dynamic performance of the different physical such as variation of ambient temperature and air spring capsule type, bulk volume, auxiliary chamber volume, throttle orifice diameter, connecting line length and diameter and excitation amplitude, excitation frequency.
The utility model comprises that frame, actuator, hydraulic system, high-low pressure gas-holder and compressor form, and frame 1 is four pillar constructions, and middle part is provided with plummer 3, and its top is provided with carrying counter weight device 2, and carrying counter weight device 2 inside are provided with grid.Frame 1 column is marked with height value and is provided with taper hold-down nut 4, between the upper surface of hold-down nut 4 and plummer 3 lower surfaces and mating surface thereof, tapering is arranged; Worktable 5 upper surfaces have annular groove, below is provided with and is three two vertical hydraulic actuators 6 of ball pivot that plane triangle is arranged, side is connected with the inferior angle of elevation of set square 9 on being hinged on bearing 8 by two hinged vertical hydraulic actuators 7, set square 9 drift angles are connected with worktable by single ball pivot connecting link, auxiliary chamber 11 is interior for being filled with the hydraulic oil barrel-like structure, by connecting line 12, with worktable 5, be connected, can control the size of air chamber by the size of adjusting oil mass, realize the adjustable continuously of auxiliary chamber 11 volume sizes.The air intake opening of auxiliary chamber 11 is connected with compressor with the high-low pressure gas-holder of peripheral hardware through tracheal pressure, and the exhausr port of auxiliary chamber 11 directly is connected with atmosphere.
Described hydraulic system comprises that the pipeline, power pump, oil sources, the cooling system that connect actuator 6 or actuator 7 form, actuator rated pressure 210--280bar, and its tailpiece of the piston rod adopts hydrostatic bearing.
Plummer 3 can be followed counter weight device 2 and be done vertical vibration along column, and counter weight device 2 quality can be regulated, for simulating actual empty spring load; On frame 1 column, taper hold-down nut 4 is arranged, can be by plummer 3 along vertical and horizontal fixing, frame 1 column is marked with height value, can highly carry out fine adjustment to four hold-down nuts 4 on same workplace, avoids plummer to occur crooked; The upper surface of lower end hold-down nut 4 and plummer 3 lower surfaces and hold-down nut mating surface have tapering, can utilize plummer 3 deadweights to carry out centering.The vertical excitation charger of worktable 5 belows of bearing test part (as air spring etc.), the transversely excited charger of worktable 5 sides and torsion excitation charger, with vertical excitation charger, the transversely excited charger, reverse the connected hydraulic system of excitation charger, have annular groove on worktable 5, can place rubber seal, meet there being impermeability to require the testing requirements of testpieces, worktable has three two vertical hydraulic actuators 6 of ball pivot for 5 times, being plane triangle arranges, described transversely excited charger is to be connected catenary motion is transformed to transverse movement with set square 9 on being hinged on bearing 8 by two hinged vertical hydraulic actuators 7, by single ball pivot connecting link 10, with worktable 5, be connected, described torsion exciting bank is comprised of two groups of transversely excited chargers, when two two hinged hydraulic actuator 7 anti-phase motion, by set square 9 connections that are hinged on bearing 8, catenary motion is changed to transverse movement, make worktable 5 produce twisting motion.Vertical, horizontal, reverse exciting bank and form whole six degree of freedom excitation system and be installed in melt pit, can adjust height of table by regulating actuator, with the standard operation height of warranty test part (as air spring etc.).Also be connected with flexible empty spring insulating cover 14 between described worktable 5 and plummer 3, empty spring insulating cover 14 sides are connected with the peripheral hardware air-conditioning by airduct 13.The regulatory function of realization to the air spring operating ambient temperature.
The course of work of the present utility model and principle are to carry out the damper element correlation test such as air spring: air spring is placed on worktable 5, unclamps hold-down nut 4, in air spring, be inflated to the standard operation height.While carrying out vertical test, vertical excitation charger applies vertical excitation to air spring, while carrying out transverse test, the transversely excited charger applies transversely excited to air spring, while carrying out twisting test, reverse the excitation charger air spring is applied and reverses excitation, and the load mode of different directions can carry out simultaneously.By regulating hydraulic actuator 6 or actuator 7, can realize the control to excitation amplitude and frequency, highest frequency can reach 50Hz.
The test that the utility model can carry out comprises: air spring is vertical, horizontal, reverse statics test, dynamic test and torture test; The yielding rubber part vertical horizontal, vertical, reverse statics test, dynamic test and torture test; The test of seat comfort degree.Considered the impact on the air spring dynamic performance of the different physical such as environment temperature and air spring capsule type, bulk volume, auxiliary chamber volume, throttle orifice diameter, connecting line length and diameter and excitation amplitude, excitation frequency.
Claims (6)
1. an air spring comprehensive performance testing device, comprise frame, actuator, hydraulic system, high-low pressure gas-holder and compressor, it is characterized in that: frame (1) is four pillar constructions, middle part is provided with plummer (3), plummer (3) top is provided with the device (2) of carrying counterweight, below is provided with sensor, on frame (1) column, taper hold-down nut (4) is arranged, and between the mating surface of plummer (3) lower surface and hold-down nut (4) upper surface contact portion, tapering is arranged, worktable (5) below is provided with and is three two vertical hydraulic actuators of ball pivot (6) that plane triangle is arranged, side is connected with the inferior angle of elevation of set square (9) on being hinged on bearing (8) by two hinged vertical hydraulic actuators (7), set square (9) drift angle is connected with worktable (5) by single ball pivot connecting link (10), auxiliary chamber (11) is interior for being filled with the hydraulic oil barrel-like structure, by connecting line (12), with worktable (5), be connected, the air intake opening of auxiliary chamber (11) is connected with compressor with the high-low pressure gas-holder of peripheral hardware through tracheal pressure, the exhausr port of auxiliary chamber (11) directly is connected with atmosphere.
2. a kind of air spring comprehensive performance testing device according to claim 1, it is characterized in that: described hydraulic system comprises pipeline and the cooling system of power pump, oil sources, connection actuator, actuator rated pressure 210--280bar, its tailpiece of the piston rod adopts hydrostatic bearing.
3. a kind of air spring comprehensive performance testing device according to claim 1, it is characterized in that: also be connected with flexible empty spring insulating cover (14) between described worktable (5) and plummer (3), empty spring insulating cover (14) side is connected with the peripheral hardware air-conditioning by airduct (13).
4. a kind of air spring comprehensive performance testing device according to claim 1, it is characterized in that: described frame (1) column is marked with height value.
5. a kind of air spring comprehensive performance testing device according to claim 1, it is characterized in that: described device (2) inside is provided with grid.
6. a kind of air spring comprehensive performance testing device according to claim 1, it is characterized in that: described worktable (5) upper surface has annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204065063U CN203337353U (en) | 2013-07-09 | 2013-07-09 | Comprehensive performance testing device of air spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204065063U CN203337353U (en) | 2013-07-09 | 2013-07-09 | Comprehensive performance testing device of air spring |
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| CN203337353U true CN203337353U (en) | 2013-12-11 |
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| CN2013204065063U Expired - Fee Related CN203337353U (en) | 2013-07-09 | 2013-07-09 | Comprehensive performance testing device of air spring |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364161A (en) * | 2013-07-09 | 2013-10-23 | 南车青岛四方机车车辆股份有限公司 | Test bench of comprehensive performance of air spring |
| CN103630356A (en) * | 2013-12-18 | 2014-03-12 | 南车株洲电力机车有限公司 | Air spring fault detecting system and urban rail vehicle air spring detecting system |
| CN105510013A (en) * | 2015-12-09 | 2016-04-20 | 中国北方车辆研究所 | Side force loading apparatus for hydro-pneumatic spring testing bench |
| CN106872191A (en) * | 2017-04-12 | 2017-06-20 | 吉林大学 | A kind of rail vehicle air spring six degree of freedom low-temperature test platform |
| CN109110153A (en) * | 2018-07-27 | 2019-01-01 | 哈尔滨工业大学 | A kind of support device for aircraft vertical fin and the test of fuselage bonding strength |
| CN112485027A (en) * | 2020-12-10 | 2021-03-12 | 西南交通大学 | Dynamic parameter measuring device of double air springs |
| CN118190376A (en) * | 2024-03-13 | 2024-06-14 | 西南交通大学 | Two-way loading test device of portal frame type rubber spring |
-
2013
- 2013-07-09 CN CN2013204065063U patent/CN203337353U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364161A (en) * | 2013-07-09 | 2013-10-23 | 南车青岛四方机车车辆股份有限公司 | Test bench of comprehensive performance of air spring |
| CN103630356A (en) * | 2013-12-18 | 2014-03-12 | 南车株洲电力机车有限公司 | Air spring fault detecting system and urban rail vehicle air spring detecting system |
| CN103630356B (en) * | 2013-12-18 | 2015-12-16 | 南车株洲电力机车有限公司 | A kind of air spring fault detection system and city rail vehicle air spring detection system |
| CN105510013A (en) * | 2015-12-09 | 2016-04-20 | 中国北方车辆研究所 | Side force loading apparatus for hydro-pneumatic spring testing bench |
| CN106872191A (en) * | 2017-04-12 | 2017-06-20 | 吉林大学 | A kind of rail vehicle air spring six degree of freedom low-temperature test platform |
| CN109110153A (en) * | 2018-07-27 | 2019-01-01 | 哈尔滨工业大学 | A kind of support device for aircraft vertical fin and the test of fuselage bonding strength |
| CN109110153B (en) * | 2018-07-27 | 2020-04-24 | 哈尔滨工业大学 | Supporting device for connection strength test of airplane vertical fin and airplane body |
| CN112485027A (en) * | 2020-12-10 | 2021-03-12 | 西南交通大学 | Dynamic parameter measuring device of double air springs |
| CN118190376A (en) * | 2024-03-13 | 2024-06-14 | 西南交通大学 | Two-way loading test device of portal frame type rubber spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20200709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |