CN114047006A - Special vehicle suspension turns to integrated form actuator test platform - Google Patents
Special vehicle suspension turns to integrated form actuator test platform Download PDFInfo
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- CN114047006A CN114047006A CN202111346239.0A CN202111346239A CN114047006A CN 114047006 A CN114047006 A CN 114047006A CN 202111346239 A CN202111346239 A CN 202111346239A CN 114047006 A CN114047006 A CN 114047006A
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- steering
- test platform
- special vehicle
- vehicle suspension
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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
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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Abstract
The invention discloses a test platform of a special vehicle suspension steering integrated actuator, which relates to the technical field of automobile accessory tests, and particularly relates to a test platform of a special vehicle suspension steering integrated actuator, which comprises a fixed base, a support component and a movable component, wherein the fixed base is horizontally arranged in a test area, the support component is arranged at the upper end of the fixed base, the movable component is sleeved with the support component, a complex road condition state is simulated for the steering suspension integrated actuator through a shock excitation oil cylinder, the structure is simple, the strength is reliable, the installation space of a special vehicle chassis is saved, the research and development calibration period of the steering suspension integrated actuator is shortened, the danger of the whole machine test is reduced, the excessive friction of a main guide rod and an auxiliary guide rod is avoided during the shock excitation test operation through an inaccurate oil storage strip and a ball arranged in a self-lubricating component, the service life is prolonged, the friction is prevented from generating reaction force, and the test data is avoided, thereby causing unnecessary potential safety hazards.
Description
Technical Field
The invention relates to the technical field of automobile part tests, in particular to a special vehicle suspension steering integrated actuator test platform.
Background
The suspension and the steering actuator are important parts of a vehicle chassis system, and have important significance on the comfort, obstacle crossing capability and safety of vehicle running, wherein fire-fighting vehicles need to pass through narrow and complex road conditions such as urban villages and pedestrian streets, the requirements on the size of the chassis of the fire-fighting vehicles are generally strict, the space requirements are difficult to meet by the traditional suspension and steering separated arrangement mode, and in order to save installation space, the suspension steering integrated actuator is developed and applied to a special vehicle chassis system.
In the prior art, in order to know the performance of the suspension steering integrated actuator, the simulation is usually carried out by a method for establishing a mathematical model through a traditional pure computer simulation test, although the implementation efficiency is high and the cost is low, the simulation result depends on the accuracy of the mathematical model to a great extent, the real road environment cannot be effectively reflected, and the authenticity and the accuracy of the test result cannot be ensured; on the other hand, the tonnage of a special vehicle is often large, the development cycle and the cost are long in a real vehicle road test, and the safety of a driver is threatened to a certain extent by the real vehicle test under the extreme working condition.
Disclosure of Invention
The invention aims to provide an integrated actuator testing platform for special vehicle suspension steering, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a special vehicle suspension steering integrated actuator test platform, the test platform comprising:
the fixed base is horizontally arranged in the test area;
the supporting component is arranged at the upper end of the fixed base;
the movable component is sleeved with the supporting component;
the actuator is arranged on one side of the movable component;
the steering assembly is arranged on one side of the movable assembly, and the other side of the steering assembly is connected with one side of the actuator;
the self-lubricating assembly is arranged on one side of the movable assembly in a sleeved mode and connected with the supporting assembly.
Preferably, the supporting component comprises two main guide rods and two auxiliary guide rods, the two main guide rods and the two auxiliary guide rods are respectively vertically arranged at the upper ends of the symmetrical fixed bases, and the two auxiliary guide rods are arranged between the two main guide rods.
Preferably, the movable assembly comprises a balancing weight and an excitation platform, connecting holes are respectively formed in the two sides of the balancing weight and the two sides of the excitation platform, and the balancing weight and the excitation platform are respectively movably sleeved with two main guide rods and two auxiliary guide rods.
Preferably, the center of the lower end of the fixed base is vertically provided with an excitation oil cylinder, the upper end of the excitation oil cylinder is connected with the center of the lower end of the excitation table through a connecting block, the center of the upper end of the excitation table is provided with a tension pressure sensor through a flange base, and the lower end of the actuator is connected with the upper end of the tension pressure sensor through a bolt.
Preferably, the upper end of the actuator is provided with a joint bearing, the upper end of the joint bearing is connected with the center of the lower end of the balancing weight, and the upper end of the balancing weight is symmetrically provided with four lifting rings.
Preferably, the steering assembly comprises a steering power-assisted cylinder, a fixed shaft is vertically arranged on one side of the lower end of the balancing weight, one side of the steering power-assisted cylinder is connected with the fixed shaft, a steering arm is arranged on one side of the upper end of the actuator through a bolt connection, a connecting shaft is vertically arranged on one side of the steering power-assisted cylinder, and the connecting shaft is connected with one side of the steering arm.
Preferably, the four self-lubricating assemblies comprise a sleeve and four inner cylinders, one side of each inner cylinder is arranged in the corresponding inner cylinder in a threaded insertion mode, the sleeve penetrates through the corresponding insertion connection hole, and the main guide rod and the auxiliary guide rod penetrate through the corresponding insertion sleeve and the corresponding inner cylinder.
Preferably, a plurality of oil grooves have been seted up to the upper end symmetry in the sleeve is arranged in the inner tube grafting, all pegs graft in the oil groove and are equipped with the oil pocket, and the ring channel has been seted up to the upper end in the inner tube, all runs through between a plurality of oil grooves and the ring channel and has seted up the inlet port.
Preferably, a plurality of lubrication grooves have been seted up to inner tube outer periphery one side symmetry, and equal vertical grafting is equipped with the oil storage strip in the lubrication groove, all runs through between a plurality of lubrication grooves and the ring channel and has seted up the oil drip hole, and one side all runs through inner tube one side and has seted up the bar groove in the lubrication groove, and the bar inslot all is equipped with a plurality of balls through a plurality of ball axles grafting, and the ball both sides contact with oil storage strip and supporting component one side respectively.
Preferably, the upper end of the sleeve is symmetrically provided with a plurality of puncture bolts in an inserted manner through threads, the lower ends of the puncture bolts are vertically provided with puncture rods, the lower ends of the puncture rods are respectively inserted and arranged in the oil grooves, and a sealing gasket is arranged on one side, in contact with the inner cylinder, of the sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. the excitation oil cylinder is used for simulating the steering suspension integrated actuator to simulate the complex road condition state, the structure is simple, the strength is reliable, the special vehicle chassis installation space is saved, the research and development verification period of the steering suspension integrated actuator is shortened, and the risk of the whole machine test is reduced;
2. through the oil storage strip and the ball of setting up in the self-lubricating subassembly, when carrying out the excitation test operation, avoid the excessive friction of main guide bar and vice guide bar, when improving life, avoid the friction to produce reaction force, lead to the inspection data inaccurate to cause the unnecessary potential safety hazard.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a schematic perspective view of a fixing base according to the present invention;
FIG. 4 is a schematic perspective view of a weight member according to the present invention;
FIG. 5 is a perspective view of the sleeve and inner barrel of the present invention;
FIG. 6 is a schematic view of portion A of FIG. 1 according to the present invention;
FIG. 7 is a schematic view of the portion B of FIG. 2 according to the present invention;
in the figure: the hydraulic steering system comprises a fixed base 1, an actuator 2, a main guide rod 3, an auxiliary guide rod 4, a balancing weight 5, an excitation table 6, an excitation oil cylinder 7, a flange base 8, a tension pressure sensor 9, a joint bearing 10, a lifting ring 11, a steering power cylinder 12, a fixed shaft 13, a steering arm 14, a connecting shaft 15, a sleeve 16, an inner cylinder 17, an oil pocket 18, an annular groove 19, a lubricating groove 20, an oil storage strip 21, a ball 22, a puncture bolt 23 and a sealing gasket 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides an integrated actuator testing platform for suspension steering of a special vehicle: the test platform comprises:
the device comprises a fixed base 1, the fixed base 1 is horizontally arranged in a test area, a supporting component is arranged at the upper end of the fixed base 1 and comprises two main guide rods 3 and two auxiliary guide rods 4, the two main guide rods 3 and the two auxiliary guide rods 4 are respectively vertically arranged at the upper end of the symmetrical fixed base 1, the two auxiliary guide rods 4 are arranged between the two main guide rods 3, the upper ends of the two main guide rods 3 are horizontally connected with a limiting plate, the movable component is sleeved with the supporting component and comprises a balancing weight 5 and an excitation table 6, connecting holes are respectively arranged at two sides of the balancing weight 5 and the excitation table 6, the balancing weight 5 and the excitation table 6 are respectively movably sleeved with the two main guide rods 3 and the two auxiliary guide rods 4, displacement sensors and acceleration sensors are respectively arranged at the upper ends of the balancing weight 5 and the excitation table 6, the balancing weight 5 is an assembly simulating spring-loaded mass, the excitation platform 6 is a simulated unsprung mass assembly and can be formed by combining mass blocks with different mass sizes to simulate the mass of vehicles with different specifications;
an actuator 2, the actuator 2 is arranged on one side of a movable component, an excitation oil cylinder 7 is vertically arranged at the center of the lower end of a fixed base 1, the upper end of the excitation oil cylinder 7 is connected with the center of the lower end of an excitation table 6 through a connecting block, the center of the upper end of the excitation table 6 is provided with a tension pressure sensor 9 through a flange base 8, the lower end of the actuator 2 is connected with the upper end of the tension pressure sensor 9 through a bolt, the upper end of the actuator 2 is provided with a joint bearing 10, the upper end of the joint bearing 10 is connected with the center of the lower end of a counterweight 5, the upper end of the counterweight 5 is symmetrically provided with four lifting rings 11, a steering component is arranged on one side of the movable component, the other side of the steering component is connected with one side of the actuator 2, the steering component comprises a steering power-assisted oil cylinder 12, a fixed shaft 13 is vertically arranged on one side of the lower end of the counterweight 5, one side of the steering power-assisted oil cylinder 12 is connected with a fixed shaft 13, and a steering arm 14 is arranged on one side of the upper end of the actuator 2 through a bolt, a connecting shaft 15 is vertically arranged on one side of the power steering oil cylinder 12, and the connecting shaft 15 is connected with one side of a steering arm 14, so that the actuator 2 receives certain pulling pressure to detect the performance;
the self-lubricating component is arranged on one side of the movable component sleeved and connected with the supporting component, the four self-lubricating components comprise a sleeve 16 and four inner cylinders 17, one side of each inner cylinder 17 is arranged in the corresponding inner cylinder 17 in a threaded insertion mode, the sleeve 16 penetrates through an insertion connection hole, the main guide rod 3 and the auxiliary guide rod 4 penetrate through the insertion connection sleeve 16 and the corresponding inner cylinder 17, a plurality of oil grooves are symmetrically formed in the upper end of the inner cylinder 17 in the insertion connection mode, oil pockets 18 are respectively inserted in the oil grooves, an annular groove 19 is formed in the upper end of the inner cylinder 17, oil inlet holes are respectively formed between the oil pockets and the annular groove 19 in a penetrating mode, a plurality of lubricating grooves 20 are symmetrically formed in one side of the outer circumferential surface of the inner cylinder 17, oil storage bars 21 are vertically inserted in the lubricating grooves 20, oil dripping holes are respectively formed between the lubricating grooves 20 and the annular groove 19 in a penetrating mode, and a strip-shaped groove is formed in one side of the lubricating groove 20 in a penetrating mode, all be equipped with a plurality of balls 22 through the grafting of a plurality of ball axles in the bar inslot, and ball 22 both sides contact with oil storage strip 21 and supporting component one side respectively, 16 upper ends of sleeve peg graft through the screw thread symmetry and are equipped with a plurality of puncture bolts 23, puncture bolt 23 lower extreme is equal vertical to be equipped with the puncture pole, and a plurality of puncture pole lower extremes peg graft respectively and arrange a plurality of oil grooves in and set up, and contact one side with inner tube 17 in the sleeve 16 and be equipped with sealed pad 24, realize accurate and the life of detection of this device.
The working principle is as follows: when the device is used, the excitation oil cylinder 7 provides sine, cosine, triangular wave, saw-type wave and other simulation road surface excitation forces for the excitation platform 6, the actuator 2 transmits the vibration force to the counterweight 5, and the steering power-assisted cylinder 12 is matched to steer the actuator 2, so that data detection and summarization of an acceleration sensor, a displacement sensor and a pull pressure sensor 9 are carried out, the suspension performance and the steering performance of a special vehicle are tested, and the performance test of the integrated actuator for steering the vehicle suspension is tested, after long-time use, in order to avoid excessive abrasion of the main guide rod 3 and the auxiliary guide rod 4, a side oil pocket 18 is punctured by rotating the puncture bolt 23, lubricating oil enters the lubricating groove 20 through an oil inlet hole and an oil dripping hole and is fused with the oil storage strip 21, then the surfaces of the main guide rod 3 and the auxiliary guide rod 4 are lubricated to a certain extent under the action of the ball 22, so that the smooth movement of the counterweight 5 and the excitation platform 6 is improved, the purpose of improving the accuracy of detection data, and the mode of the inner cylinder 17 inserting the sleeve 16 is convenient for mounting and dismounting and adjusting according to the balancing weights 5 and the excitation table 6 with different thicknesses, and only the puncture bolts 23 and the sealing gaskets 24 with different lengths and thicknesses need to be replaced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a special type vehicle suspension turns to integrated form actuator test platform which characterized in that: the test platform comprises:
the device comprises a fixed base (1), wherein the fixed base (1) is horizontally arranged in a test area;
the supporting component is arranged at the upper end of the fixed base (1);
the movable component is sleeved with the supporting component;
the actuator (2), the said actuator (2) locates at one side of the movable assembly;
the steering assembly is arranged on one side of the movable assembly, and the other side of the steering assembly is connected with one side of the actuator (2);
the self-lubricating assembly is arranged on one side of the movable assembly in a sleeved mode and connected with the supporting assembly.
2. The integrated actuator test platform for special vehicle suspension steering as claimed in claim 1, wherein: the supporting component comprises two main guide rods (3) and two auxiliary guide rods (4), the two main guide rods (3) and the two auxiliary guide rods (4) are respectively vertically arranged at the upper ends of the symmetrical fixed bases (1), and the two auxiliary guide rods (4) are arranged between the two main guide rods (3).
3. The special vehicle suspension steering integrated actuator test platform as claimed in claim 2, wherein: the movable assembly comprises a balancing weight (5) and an excitation platform (6), connecting holes are respectively formed in two sides of the balancing weight (5) and the excitation platform (6), and the balancing weight (5) and the excitation platform (6) are respectively movably sleeved with two main guide rods (3) and two auxiliary guide rods (4).
4. The integrated actuator test platform for special vehicle suspension steering as claimed in claim 3, wherein: the lower end center of the fixed base (1) is vertically provided with an excitation oil cylinder (7), the upper end of the excitation oil cylinder (7) is connected with the lower end center of the excitation table (6) through a connecting block, the upper end center of the excitation table (6) is provided with a pull pressure sensor (9) through a flange base (8), and the lower end of the actuator (2) is connected with the upper end of the pull pressure sensor (9) through a bolt.
5. The special vehicle suspension steering integrated actuator test platform as claimed in claim 4, wherein: the upper end of the actuator (2) is provided with a joint bearing (10), the upper end of the joint bearing (10) is connected with the center of the lower end of the balancing weight (5), and the upper end of the balancing weight (5) is symmetrically provided with four lifting rings (11).
6. The integrated actuator test platform for special vehicle suspension steering as claimed in claim 5, wherein: the steering assembly comprises a steering power-assisted cylinder (12), a fixed shaft (13) is vertically arranged on one side of the lower end of the balancing weight (5), one side of the steering power-assisted cylinder (12) is connected with the fixed shaft (13), a steering arm (14) is arranged on one side of the upper end of the actuator (2) through a bolt connection, a connecting shaft (15) is vertically arranged on one side of the steering power-assisted cylinder (12), and the connecting shaft (15) is connected with one side of the steering arm (14).
7. The integrated actuator test platform for special vehicle suspension steering as claimed in claim 6, wherein: the four self-lubricating assemblies comprise sleeves (16) and four inner cylinders (17), one sides of the inner cylinders (17) are arranged in the inner cylinders (17) in an inserted mode through threads, the sleeves (16) penetrate through the inserted connection holes, and the main guide rods (3) and the auxiliary guide rods (4) penetrate through the inserted sleeves (16) and the inner cylinders (17).
8. The integrated actuator test platform for special vehicle suspension steering as claimed in claim 7, wherein: a plurality of oil grooves are symmetrically formed in the upper end of the inner cylinder (17) in the sleeve (16) in an inserted mode, oil pockets (18) are formed in the oil grooves in an inserted mode, annular grooves (19) are formed in the upper end of the inner cylinder (17), and oil inlet holes are formed between the oil grooves and the annular grooves (19) in a penetrating mode.
9. The integrated actuator test platform for special vehicle suspension steering as claimed in claim 8, wherein: a plurality of lubrication grooves (20) have been seted up to inner tube (17) outer periphery one side symmetry, equal vertical grafting is equipped with oil storage strip (21) in lubrication groove (20), all run through between a plurality of lubrication grooves (20) and ring channel (19) and seted up the oil drip hole, one side all runs through inner tube (17) one side and has seted up the bar groove in lubrication groove (20), the bar inslot all is equipped with a plurality of balls (22) through a plurality of ball axles grafting, and ball (22) both sides contact with oil storage strip (21) and supporting component one side respectively.
10. The integrated actuator test platform for special vehicle suspension steering as claimed in claim 9, wherein: the upper end of the sleeve (16) is symmetrically inserted with a plurality of puncture bolts (23) through threads, the lower ends of the puncture bolts (23) are vertically provided with puncture rods, the lower ends of the puncture rods are respectively inserted in a plurality of oil grooves, and one side, which is in contact with the inner cylinder (17), of the sleeve (16) is provided with a sealing gasket (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111346239.0A CN114047006A (en) | 2021-11-15 | 2021-11-15 | Special vehicle suspension turns to integrated form actuator test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111346239.0A CN114047006A (en) | 2021-11-15 | 2021-11-15 | Special vehicle suspension turns to integrated form actuator test platform |
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| Publication Number | Publication Date |
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| CN114047006A true CN114047006A (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111346239.0A Pending CN114047006A (en) | 2021-11-15 | 2021-11-15 | Special vehicle suspension turns to integrated form actuator test platform |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055233A (en) * | 2007-04-12 | 2007-10-17 | 南京林业大学 | Automobile quarter simulated suspension system and shock absorber characteristic integral test platform |
| CN203350050U (en) * | 2013-08-01 | 2013-12-18 | 安徽工程大学 | Automobile quarter suspension performance testbed |
| CN104515660A (en) * | 2014-12-25 | 2015-04-15 | 安徽机电职业技术学院 | Vibration test bench for automotive suspension |
| CN108709708A (en) * | 2018-03-22 | 2018-10-26 | 天津航天瑞莱科技有限公司 | A kind of vibration experiment of aircraft aileron actuator |
| CN109322894A (en) * | 2018-11-27 | 2019-02-12 | 江苏昊嘉不锈钢标准件有限公司 | A kind of bolt of special easy disassembly |
| EP3770574A1 (en) * | 2019-07-22 | 2021-01-27 | Realtest GmbH | Test bench and method for operating such a test bench |
| CN212535329U (en) * | 2020-03-31 | 2021-02-12 | 浙江雅迪乐木业有限公司 | Accomodate cabinet handle connection structure |
-
2021
- 2021-11-15 CN CN202111346239.0A patent/CN114047006A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055233A (en) * | 2007-04-12 | 2007-10-17 | 南京林业大学 | Automobile quarter simulated suspension system and shock absorber characteristic integral test platform |
| CN203350050U (en) * | 2013-08-01 | 2013-12-18 | 安徽工程大学 | Automobile quarter suspension performance testbed |
| CN104515660A (en) * | 2014-12-25 | 2015-04-15 | 安徽机电职业技术学院 | Vibration test bench for automotive suspension |
| CN108709708A (en) * | 2018-03-22 | 2018-10-26 | 天津航天瑞莱科技有限公司 | A kind of vibration experiment of aircraft aileron actuator |
| CN109322894A (en) * | 2018-11-27 | 2019-02-12 | 江苏昊嘉不锈钢标准件有限公司 | A kind of bolt of special easy disassembly |
| EP3770574A1 (en) * | 2019-07-22 | 2021-01-27 | Realtest GmbH | Test bench and method for operating such a test bench |
| CN212535329U (en) * | 2020-03-31 | 2021-02-12 | 浙江雅迪乐木业有限公司 | Accomodate cabinet handle connection structure |
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Application publication date: 20220215 |