CN205785850U - A kind of test tool for Leaf Spring Suspension System - Google Patents
A kind of test tool for Leaf Spring Suspension System Download PDFInfo
- Publication number
- CN205785850U CN205785850U CN201620552210.6U CN201620552210U CN205785850U CN 205785850 U CN205785850 U CN 205785850U CN 201620552210 U CN201620552210 U CN 201620552210U CN 205785850 U CN205785850 U CN 205785850U
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- leaf spring
- suspension system
- fixed support
- spring suspension
- servo hydraulic
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Abstract
This utility model provides a kind of test tool for Leaf Spring Suspension System, and test tool mainly includes the ferrum floor for fixation steel plate spring suspension system, gantry frame, various support and for four servo hydraulic systems to Leaf Spring Suspension System imposed load.At the trial, four servo hydraulic systems apply perpendicular, the load in horizontal and vertical three directions to Leaf Spring Suspension System, and two of which servo-fluid system provides vertical direction load.The test tool of Leaf Spring Suspension System of the present utility model, spectrum can be driven by control system input road trial signal, control four servo hydraulic systems to Leaf Spring Suspension System imposed load, simulation Leaf Spring Suspension System stressing conditions during actual road is tried, test data is made to have good referential, for the fatigue properties of test part, exploitation and verification experimental verification for part provide reliable research technique.
Description
Technical field
This utility model relates to Vehicle Leaf-spring Suspension system detection technique field, especially a kind of automobile leaf spring
Suspension system test-bed, is adapted to rigidity test and the fatigue property test of commercial car Leaf Spring Suspension System.
Background technology
Leaf Spring Suspension System is most widely used suspension system in commercial car suspension system, assume responsibility for carrying, leads
To with many functions such as damping, technical performance and security performance to car load are most important.
But current the most only fatigue test method and standard to parts such as leaf spring, stabiliser bar and distance rods, for
The suspension system of the parts compositions such as leaf spring, stabiliser bar and distance rod, does not also have the ready-made test method referred to and mark
Accurate.To this, the fatigue behaviour of suspension system is typically detected by proving ground test, but, when in suspension system, certain parts goes out
When existing early fracture lost efficacy, general designer does not reaches the improving countermeasure of directiveness according to road test result yet.This method
Not only experimentation cost is high, and the cycle is long, and is unfavorable for the follow-up of the parts such as suspension system light plate spring, stabiliser bar and distance rod
Improve work.
Summary of the invention
For the problems referred to above, the utility model proposes a kind of testing stand for Leaf Spring Suspension System, pass through software
Control system, controls the load output of the servo hydraulic cylinder in three directions, simulated automotive road trial work condition, detects Leaf Spring Suspension
The rigidity property in vertical, lateral and horizontal three directions of system and fatigue behaviour.
The technical solution adopted in the utility model is: a kind of test tool for Leaf Spring Suspension System, described examination
Testing frock and include that gantry frame, gantry frame are erected on base plate, the base plate under gantry frame is provided with fixed support one with solid
Fixed rack two, fixed support one and fixed support two are separately correspondingly arranged, and fixed support one is two split type fixed supports,
Fixed support two is an all-in-one-piece fixed support, and between fixed support one and fixed support two, transverse strands is provided with leaf spring
Suspension system, it is characterised in that: Leaf Spring Suspension System is upside down on fixed support one and fixed support two, its light plate bullet
Two leaf spring headstocks of spring suspension system one end are located on two split type fixed supports one, and two leaf spring headstocks of the other end set
On fixed support two；
Being provided with inverted simulation vehicle bridge in inverted Leaf Spring Suspension System again, correspondence is being consolidated in inverted simulation vehicle bridge
Distance rod and stabiliser bar it is additionally provided with on fixed rack two；
Three horizontal, longitudinal, the vertical axles of inverted simulation vehicle bridge are respectively equipped with servo hydraulic system, servo hydraulic system
Set position according to load outbound course with inverted simulation vehicle bridge to be connected；Wherein servo hydraulic system is horizontal, longitudinal leads to respectively
Cross the fixing connection of fixed support three, four being fixed on base plate；Servo hydraulic system is the most then fixed under gantry frame, corresponding
The two ends of simulation vehicle bridge are respectively provided with.
A kind of test method for Leaf Spring Suspension System, it is characterised in that: described test method has two kinds:
Method one: be applicable to the suspension system not having road examination loading spectrum signal: according to the design of Leaf Spring Suspension System
Load determines vertical force, cross force and longitudinal force theoretical value, then by control system, exports corresponding servo hydraulic cylinder letter
Number, carry out rigidity and fatigue property test；
Method two: be applicable to obtain the suspension system of road examination loading spectrum signal, according to the reality gathered in complete vehicle test field
Pumping signal carries out signal processing, it is thus achieved that the road examination stochastic signal spectrum of Leaf Spring Suspension System, then utilizes control system pair
The stochastic signal spectrum obtained carries out after-treatment, it is thus achieved that the driving signal spectrum of four servo hydraulic systems, carries out rigidity and fatigue
Performance test.
Beneficial effect:
This utility model uses inverted Leaf Spring Suspension System and inverted simulation vehicle bridge, it is adaptable to the examination of laboratory
Testing, simulation actual condition can obtain real data simultaneously, thus can laboratory problem do not dispatched from the factory just can and
Shi Faxian also processes, it is ensured that the outgoing of product and user security.
By controlling servo hydraulic system, three axles horizontal, longitudinal, vertical of inverted simulation vehicle bridge are respectively equipped with servo-fluid
Pressure system makes its three direction load, the load working condition of simulated automotive driving process light plate spring suspension system, carries out three
The rigidity in direction and fatigue property test, the quality improvement for suspension system general name designs and provides reliable test data in time.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of this utility model Leaf Spring Suspension System.
Fig. 2 is this utility model Leaf Spring Suspension System test tool assembly schematic diagram.
Fig. 3 is the schematic front view of Fig. 1.
Fig. 4 is the left view schematic diagram of Fig. 1.
Fig. 5 is that the right side of Fig. 1 regards schematic diagram.
Fig. 6 is the schematic top plan view of Fig. 1.
Fig. 7 is the schematic rear view of Fig. 1.
Fig. 8 is the schematic front view of Fig. 2.
Fig. 9 is the left view schematic diagram of Fig. 2.
Figure 10 is that the right side of Fig. 2 regards schematic diagram.
Figure 11 is the schematic top plan view of Fig. 2.
Figure 12 is the schematic rear view of Fig. 2.
Wherein entitled corresponding to the reference in accompanying drawing:
1 is simulation vehicle bridge, and 2 is Leaf Spring Suspension System, and 3 is base plate, and 41 is fixed support two, and 42 is fixed support
One, 5 is distance rod, and 6 is stabiliser bar, and 7 is gantry frame, and 8 is fixed support four, and 9 is servo-fluid system, and 10 is fixed support
Three.
Detailed description of the invention
Below in conjunction with embodiment accompanying drawing 1-12, this utility model is described in further detail, but they be not intended that right
Restriction of the present utility model, simultaneously by explanation, more can be aware and understand utility model.
A kind of test tool for Leaf Spring Suspension System, described test tool includes gantry frame 7, gantry frame
Frame 7 is erected on base plate 3, and the base plate 3 under gantry frame 7 is provided with fixed support 1 and fixed support 2 41, fixed support
1 and fixed support 2 41 points open and be correspondingly arranged, fixed support 1 is two split type fixed supports, fixed support two
41 is an all-in-one-piece fixed support, and between fixed support 1 and fixed support 2 41, transverse strands is provided with Leaf Spring Suspension
System 2, Leaf Spring Suspension System 2 is upside down on fixed support 1 and fixed support 2 41, wherein Leaf Spring Suspension system
The two leaf spring headstocks of 2 one end of uniting are located on two split type fixed supports 1, and two leaf spring headstocks of the other end are located at solid
On fixed rack 2 41；
Being provided with inverted simulation vehicle bridge 1 in inverted Leaf Spring Suspension System 2 again, corresponding inverted simulation vehicle bridge 1 exists
Distance rod 5 and stabiliser bar 6 it is additionally provided with on fixed support 2 41；
Three horizontal, longitudinal, the vertical axles of inverted simulation vehicle bridge 1 are respectively equipped with servo hydraulic system 9, servo-hydraulic system
System 9 is connected according to the setting position of load outbound course with inverted simulation vehicle bridge 1；Wherein servo hydraulic system 9 is laterally, longitudinally
Respectively by the fixing connection of fixed support three, 4 10,8 being fixed on base plate；Servo-hydraulic system/9 are vertically then fixed on gantry
Framework 7 times, the two ends of corresponding inverted simulation vehicle bridge 1 are respectively provided with.
Servo hydraulic system 9 is stored by servo-cylinder body, displacement transducer, radial force transducer, servo valve, diaphragm type
Can device and high-pressure hose composition；One end is connected with support or gantry frame, and the other end is connected with Leaf Spring Suspension System；According to
The driving signal of control system completes load and the displacement output specified.
A kind of test method for Leaf Spring Suspension System, described test method has two kinds:
Method one: be applicable to the suspension system not having road examination loading spectrum signal: determine according to the design load of suspension system
Vertical force, cross force and longitudinal force theoretical value, then by control system, export corresponding servo-hydraulic cylinder signal, carries out just
Degree and fatigue property test；
Method two: be applicable to obtain the suspension system of road examination loading spectrum signal: according to the reality gathered in complete vehicle test field
Pumping signal carries out signal processing, it is thus achieved that the road examination stochastic signal spectrum of Leaf Spring Suspension System, then utilizes control system pair
The stochastic signal spectrum obtained carries out after-treatment, it is thus achieved that the driving signal spectrum of four servo hydraulic systems, carries out rigidity and fatigue
Performance test.
Claims (1)
1., for a test tool for Leaf Spring Suspension System, described test tool includes gantry frame (7), gantry frame
Frame (7) is erected on base plate (3), and the base plate (3) under gantry frame (7) is provided with fixed support one (42) and fixed support two
(41), fixed support one (42) and fixed support two (41) are separately correspondingly arranged, fixed support one (42) be two split type
Fixed support, fixed support two (41) is an all-in-one-piece fixed support, fixed support one (42) and fixed support two (41)
Between transverse strands be provided with Leaf Spring Suspension System (2), it is characterised in that: Leaf Spring Suspension System (2) is upside down in fixing
On frame one (42) and fixed support two (41), two leaf spring headstocks of the most inverted Leaf Spring Suspension System (2) one end set
On two split type fixed supports one (42), two leaf spring headstocks of the other end are located on fixed support two (41)；
Inverted simulation vehicle bridge (1), corresponding inverted simulation vehicle bridge (1) it is provided with again in inverted Leaf Spring Suspension System (2)
Fixed support two (41) is additionally provided with distance rod (5) and stabiliser bar (6)；
Three axles horizontal, longitudinal, vertical of inverted simulation vehicle bridge (1) are respectively equipped with servo hydraulic system (9), servo hydraulic system
(9) it is connected according to the setting position of load outbound course with inverted simulation vehicle bridge (1)；Wherein servo hydraulic system (9) laterally,
The fixing connection of fixed support three, four (10,8) by being fixed on base plate the most respectively；Servo hydraulic system (9) is vertical then solid
Being scheduled under gantry frame (7), correspondence is respectively provided with at the two ends of inverted simulation vehicle bridge (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552210.6U CN205785850U (en) | 2016-06-08 | 2016-06-08 | A kind of test tool for Leaf Spring Suspension System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620552210.6U CN205785850U (en) | 2016-06-08 | 2016-06-08 | A kind of test tool for Leaf Spring Suspension System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205785850U true CN205785850U (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620552210.6U Expired - Fee Related CN205785850U (en) | 2016-06-08 | 2016-06-08 | A kind of test tool for Leaf Spring Suspension System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205785850U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865813A (en) * | 2016-06-08 | 2016-08-17 | 东风汽车悬架弹簧有限公司 | Test tool for steel plate spring suspension system and test method thereof |
| CN106739902A (en) * | 2016-11-30 | 2017-05-31 | 河南机电高等专科学校 | A kind of fixing device of automobile front suspension spring |
| CN107782569A (en) * | 2017-11-03 | 2018-03-09 | 山东雷帕得汽车技术股份有限公司 | A kind of passage suspension universal test platform of three axle six |
| CN113029783A (en) * | 2021-03-09 | 2021-06-25 | 一汽解放汽车有限公司 | Two-degree-of-freedom loading bench test equipment for leaf spring |
-
2016
- 2016-06-08 CN CN201620552210.6U patent/CN205785850U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865813A (en) * | 2016-06-08 | 2016-08-17 | 东风汽车悬架弹簧有限公司 | Test tool for steel plate spring suspension system and test method thereof |
| CN105865813B (en) * | 2016-06-08 | 2018-03-30 | 东风汽车悬架弹簧有限公司 | A kind of test tool and its test method for Leaf Spring Suspension System |
| CN106739902A (en) * | 2016-11-30 | 2017-05-31 | 河南机电高等专科学校 | A kind of fixing device of automobile front suspension spring |
| CN106739902B (en) * | 2016-11-30 | 2019-03-12 | 河南工学院 | A kind of fixation device of automobile front suspension spring |
| CN107782569A (en) * | 2017-11-03 | 2018-03-09 | 山东雷帕得汽车技术股份有限公司 | A kind of passage suspension universal test platform of three axle six |
| CN107782569B (en) * | 2017-11-03 | 2019-12-24 | 山东雷帕得汽车技术股份有限公司 | Universal test platform for three-axis six-channel suspension |
| CN113029783A (en) * | 2021-03-09 | 2021-06-25 | 一汽解放汽车有限公司 | Two-degree-of-freedom loading bench test equipment for leaf spring |
| CN113029783B (en) * | 2021-03-09 | 2022-10-14 | 一汽解放汽车有限公司 | Two-degree-of-freedom loading bench test equipment for leaf spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191217 Address after: 442000 No. 2, Guangdong Road, Shiyan, Hubei Patentee after: Dongfeng Automobile Chassis System Co., Ltd. Address before: 442000 Shiyan province Hubei City Ling Zhangwan District Road No. 15 Patentee before: Dongfeng Vehicle Suspension Spring Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |