CN112067320A - Tool for workpiece test and experimental method - Google Patents

Tool for workpiece test and experimental method Download PDF

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Publication number
CN112067320A
CN112067320A CN202010814574.8A CN202010814574A CN112067320A CN 112067320 A CN112067320 A CN 112067320A CN 202010814574 A CN202010814574 A CN 202010814574A CN 112067320 A CN112067320 A CN 112067320A
Authority
CN
China
Prior art keywords
swing arm
workpiece
arm assembly
longitudinal
transverse
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.)
Pending
Application number
CN202010814574.8A
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Chinese (zh)
Inventor
申回春
石朝阳
何云江
王亚荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Automobile Chassis System Co ltd
Original Assignee
Dongfeng Automobile Chassis System Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongfeng Automobile Chassis System Co ltd filed Critical Dongfeng Automobile Chassis System Co ltd
Priority to CN202010814574.8A priority Critical patent/CN112067320A/en
Publication of CN112067320A publication Critical patent/CN112067320A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • G01M17/04Suspension or damping

Abstract

The invention discloses a tool and an experimental method for workpiece tests, which comprise a swing arm general assembly and a counterforce frame assembly; the counterforce frame component is fixed with the torsion beam of the workpiece; the swing arm main assembly is connected with guide vertical plates at two ends of the workpiece torsion beam, and applies force on the guide vertical plates to deform the workpiece; according to the invention, the torsion beam of the workpiece is fixed through the counterforce frame assembly, the swing arm main assembly is connected with the guide vertical plates at two ends of the torsion beam of the workpiece, longitudinal and transverse double-channel composite periodic dynamic loading is applied to the workpiece through the swing arm main assembly, whether the workpiece is deformed or not is judged, or whether the rigidity, toughness and fatigue of the workpiece meet the automobile production requirements or not is judged according to the deformation, the structure is simple, the detection requirements of the workpiece 100 can be met, and the detection effect is better and more practical.

Description

Tool for workpiece test and experimental method
Technical Field
The invention relates to the field of experimental equipment, in particular to a tool for workpiece test and an experimental method.
Background
The guide and transverse stabilization integrated component is an important component in a commercial vehicle suspension system, particularly the most widely adopted component in the new technology of the commercial vehicle air suspension system, is an integrated component of a thrust rod and a stabilizer rod under the traditional structural design, plays a role in guiding and preventing the side of the vehicle, and has the performance which determines the smoothness and the operation stability of the vehicle and is of great importance to the technical performance and the safety performance of the whole vehicle; as shown in fig. 6, the guiding and laterally stabilizing integrated component is a workpiece 100 in the figure, and the workpiece 100 is composed of a torsion beam 101 and guiding vertical plates 102 at two ends of the torsion beam 101.
Before the workpiece 100 is installed in the automobile, in order to determine the safety performance of the workpiece, the workpiece is preferably detected, and whether the rigidity, the toughness and the fatigue of the workpiece meet the requirements or not is checked; it is therefore necessary to design a test fixture suitable for the workpiece 100.
Disclosure of Invention
In order to determine the safety performance of the workpiece 100 and carry out quality inspection on the workpiece, the invention provides a tool for workpiece test, which is used for detecting whether the rigidity, toughness and fatigue meet the use requirements.
The technical scheme for solving the technical problems is as follows: a tool for workpiece test is provided, wherein the workpiece is a guide and transverse stabilization integrated component rack, the guide and transverse stabilization integrated component rack comprises a torsion beam and a guide vertical plate, and the tool comprises a swing arm main assembly and a counterforce rack assembly; the reaction frame component is fixed with a torsion beam of the workpiece; the swing arm assembly is connected with guide vertical plates at two ends of a workpiece torsion beam, and applies force to the guide vertical plates to deform the workpiece.
Furthermore, an auxiliary supporting component for supporting the reaction frame component is arranged on one side of the reaction frame component.
Furthermore, the swing arm assembly comprises a longitudinal swing arm assembly and a transverse swing arm assembly arranged at the top of the longitudinal swing arm assembly in a sliding manner; a longitudinal actuator connecting seat is arranged on the longitudinal swing arm component; and a transverse actuator connecting seat is arranged on the transverse swing arm component.
Furthermore, the longitudinal swing arm assembly comprises a base frame, a swing arm assembly fixed in the base frame and a linear guide rail arranged at the top of the base frame; the transverse swing arm assembly is arranged on the linear guide rail in a sliding mode.
Further, the swing arm assembly comprises a swing arm support, a swing arm body, a connecting rod seat and a connecting rod, wherein the middle of the swing arm body is hinged to the swing arm support; one end of the connecting rod, which is far away from the connecting rod seat, is hinged with the guide vertical plate of the workpiece; the longitudinal actuator connecting seat is arranged at the end part of the swing arm body.
Furthermore, the transverse swing arm assembly comprises a sliding block and mounting plates fixed at two ends of the sliding block through connecting keys; a chute is arranged on the mounting plate, and the end part of the guide vertical plate of the workpiece is arranged in the chute in a sliding manner; the transverse actuator connecting seat is fixed on the mounting plate.
Furthermore, the reaction frame assembly comprises a reaction frame, a cross beam fixed on one side of the reaction frame, at least two supporting seats arranged on the cross beam and a bearing fixed on the supporting seat; the bearing is used for fixing the torsion beam of the workpiece.
Furthermore, one end of the auxiliary supporting component is flush with the bottom of the reaction frame component, and the other end of the auxiliary supporting component is attached to the bottom of the cross beam.
An experimental method for a workpiece, which is divided into two types:
the method comprises the following steps: the stiffness and fatigue tests applied to the torsion beam 101: determining theoretical values of longitudinal force and transverse force borne by the torsion beam 101 according to the design load of the torsion beam, and controlling the longitudinal swing arm assembly and the transverse swing arm assembly to realize longitudinal and transverse dual-channel composite periodic dynamic loading of the longitudinal swing arm assembly and the transverse swing arm assembly so as to test the rigidity and fatigue performance of the torsion beam 101;
the second method comprises the following steps: stiffness and fatigue tests suitable for pilot riser 102: and determining a theoretical value of the longitudinal force borne by the guide vertical plate 102 according to the design load of the guide vertical plate, and then carrying out rigidity and fatigue performance tests on the longitudinal swing arm assembly by controlling the longitudinal swing arm assembly to periodically and dynamically load the longitudinal swing arm assembly.
Has the advantages that: according to the invention, the torsion beam of the workpiece is fixed through the counterforce frame assembly, the swing arm main assembly is connected with the guide vertical plates at two ends of the torsion beam of the workpiece, longitudinal and transverse double-channel composite periodic dynamic loading is applied to the workpiece through the swing arm main assembly, whether the workpiece is deformed or not is judged, or whether the rigidity, toughness and fatigue of the workpiece meet the automobile production requirements or not is judged according to the deformation, the structure is simple, the detection requirements of the workpiece 100 can be met, and the detection effect is better and more practical.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the swing arm assembly of the present invention;
FIG. 3 is a schematic view of the construction of the longitudinal swing arm assembly of the present invention;
FIG. 4 is a schematic view of a swing arm assembly according to the present invention;
FIG. 5 is a schematic view of the reaction frame assembly of the present invention;
FIG. 6 is a schematic view of a workpiece structure according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a swing arm assembly; 2. a reaction frame assembly; 3. an auxiliary support assembly; 4. a longitudinal swing arm assembly; 5. a transverse swing arm assembly; 6. a longitudinal actuator connecting seat; 7. a transverse actuator connecting seat; 8. a base frame; 9. a swing arm assembly; 10. a linear guide rail; 11. a swing arm support; 12. a swing arm body; 13. a connecting rod seat; 14. a connecting rod; 15. a slider; 16. mounting a plate; 17. a reaction frame; 18. a cross beam; 19. a supporting seat; 20. a bearing; 100. a workpiece; 101. a torsion beam; 102. and (4) guiding the vertical plate.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 6, in order to simplify the name of the guiding and laterally stabilizing integrated component, the workpiece 100 in the present invention is referred to as the guiding and laterally stabilizing integrated component, and the workpiece 100 includes a torsion beam 101 and guide vertical plates 102 symmetrically disposed at two ends of the torsion beam 101; referring to fig. 1, the invention provides a tool for workpiece testing, which comprises a swing arm assembly 1 and a reaction frame assembly 2; the reaction frame assembly 2 is fixed with a torsion beam 101 of the workpiece 100; the swing arm assembly 1 is connected with the guide vertical plates 102 at two ends of the torsion beam 101 of the workpiece 100, the swing arm assembly 1 applies force to the guide vertical plates 102 to deform the guide vertical plates, the swing arm assembly 1 is connected with the guide vertical plates 102 at two ends of the torsion beam 101 of the workpiece, and loads are longitudinally and transversely applied to the workpiece through the swing arm assembly 1 to see whether the workpiece deforms or not, or whether the rigidity, toughness and fatigue of the workpiece meet the requirements of automobile production or not is judged according to the deformation.
Referring to fig. 2 to 4, in the present embodiment, the swing arm assembly 1 includes a longitudinal swing arm assembly 4 and a transverse swing arm assembly 5 slidably disposed on top of the longitudinal swing arm assembly 4; wherein the longitudinal swing arm assembly 4 is used for applying a force in the vertical direction to the workpiece 100 so that the workpiece 100 swings up and down; the horizontal swing arm group 5 is used for applying force to the workpiece 100 in the horizontal direction, so that the workpiece 100 is stressed in the horizontal direction where the workpiece is located, and swings; a longitudinal actuator connecting seat 6 is arranged on the longitudinal swing arm component 4, and the longitudinal actuator connecting seat 6 is connected with an external actuator; and a transverse actuator connecting seat 7 is arranged on the transverse swing arm component 5, and an actuator is also connected to the transverse actuator connecting seat 7.
Specifically, the longitudinal swing arm assembly 4 comprises a base frame 8, a swing arm assembly 9 fixed in the base frame 8 and a linear guide rail 10 arranged at the top of the base frame 8; the bottom of the transverse swing arm assembly 5 is provided with a guide groove matched with the linear guide rail 10, and the guide groove is matched with the linear guide rail 10 to ensure that the transverse swing arm assembly 5 is arranged at the top of the base frame 8 in a sliding manner;
the swing arm assembly 9 comprises a swing arm support 11, a swing arm body 12, a connecting rod seat 13 and a connecting rod 14, wherein the middle of the swing arm body 12 is hinged to the swing arm support 11 through a rotating shaft; two connecting rod seats 13 are symmetrically arranged; one end of the connecting rod 14 is hinged on the rod seat 13, and the other end is hinged with the guide vertical plate 102 of the workpiece 100; the longitudinal actuator connecting seat 6 is arranged at the end part of the swing arm body 12, the longitudinal actuator connecting seat 6 is pushed by the actuator to enable the swing arm body to swing around a rotating shaft, then a longitudinal force is applied to the guide vertical plate 102 of the workpiece 100 through the connecting rod 10, a force within a given range is applied to the actuator, and whether the workpiece 100 deforms or not is judged;
further, the transverse swing arm assembly 5 comprises a sliding block 15 and mounting plates 16 fixed at two ends of the sliding block 15 through connecting keys; two mounting plates 16 are symmetrically arranged at two ends of the sliding block 15, and the distance between the two mounting plates 16 is just equal to the length of the torsion beam 101; the mounting plates 16 are provided with sliding grooves, sliding blocks are arranged in the sliding grooves, the sliding blocks can slide in the sliding grooves, the sliding blocks are matched with protrusions on the guide vertical plates 102, the sliding grooves are used for mounting the end parts of the guide vertical plates 102, so that the guide vertical plates 102 are clamped in the sliding blocks, the distance between the torsion beam 101 and the two mounting plates 16 is equal, the limitation of the torsion beam 101 in the transverse direction is realized, and the guide vertical plates 102 can slide in the sliding grooves along with the sliding blocks in the transverse direction; the transverse actuator connecting seat 7 is fixed on the mounting plate 16; promote transverse actuator connecting seat 7 through the actuator to make sliding block 15 move on the horizontal direction, and mounting panel 16 is fixed at the both ends of sliding block 15, and the torsion beam of work piece 100 is fixed on reaction frame subassembly 2, and transverse movement mounting panel 16 will make work piece 100 receive horizontal thrust so, gives the power of a given scope of this actuator, sees the deformation condition of work piece 100, just can judge its quality.
Referring to fig. 5, in the present embodiment, the reaction frame assembly 2 includes a reaction frame 17, a cross beam 18 fixed on one side of the reaction frame 17, two supporting seats 19, and a bearing 20 fixed on the supporting seats 19; the two supporting seats 19 are symmetrically arranged on the cross beam 18; the bearing 20 is made of rubber, has a diameter size consistent with that of the torsion beam 101, and is used for fixing the torsion beam 101 of the workpiece 100, so that the position of the torsion beam 101 is limited.
Furthermore, an auxiliary support component 3 for supporting the reaction frame component 2 is arranged on one side of the reaction frame component 2; the auxiliary supporting component 3 is arranged on one side of the reaction frame 17, one end of the auxiliary supporting component is flush with the bottom of the reaction frame component 2, and the other end supports the cross beam 18; the auxiliary supporting components 3 are arranged below the cross beam 18 and are of a frame structure; in order to facilitate the installation of the reaction frame 17, a plurality of installation holes for installation are formed at the bottom of the reaction frame 17.
An experimental method for a workpiece, characterized in that the experimental method is divided into two types:
the method comprises the following steps: the stiffness and fatigue tests applied to the torsion beam 101: determining theoretical values of longitudinal force and transverse force borne by the torsion beam 101 according to the design load of the torsion beam, and controlling the longitudinal swing arm assembly 4 and the transverse swing arm assembly 5 to enable the longitudinal swing arm assembly 4 and the transverse swing arm assembly 5 to realize longitudinal and transverse double-channel composite periodic dynamic loading so as to test the rigidity and fatigue performance of the torsion beam 101;
the second method comprises the following steps: stiffness and fatigue tests suitable for pilot riser 102: and determining a theoretical value of the longitudinal force borne by the guide vertical plate 102 according to the design load of the guide vertical plate, and then controlling the longitudinal swing arm assembly 4 to periodically and dynamically load the longitudinal swing arm assembly 4 to test the rigidity and the fatigue performance of the longitudinal swing arm assembly 4.

Claims (9)

1. A tool for workpiece tests is characterized in that the tool comprises a swing arm main assembly (1) and a reaction frame assembly (2), wherein the workpiece (100) is a guide and transverse stable integrated component rack which comprises a torsion beam (101) and a guide vertical plate (102); the reaction frame component (2) is fixed with a torsion beam (101) of a workpiece (100); the swing arm assembly (1) is connected with guide vertical plates (102) at two ends of a torsion beam (101) of a workpiece (100), and the swing arm assembly (1) applies force to the guide vertical plates (102) to deform the workpiece (100).
2. The tooling for workpiece testing according to claim 1, characterized in that an auxiliary support component (3) for supporting the reaction frame component (2) is arranged on one side of the reaction frame component (2).
3. The tooling for workpiece testing according to claim 1, wherein the swing arm assembly (1) comprises a longitudinal swing arm assembly (4) and a transverse swing arm assembly (5) slidably arranged at the top of the longitudinal swing arm assembly (4); a longitudinal actuator connecting seat (6) is arranged on the longitudinal swing arm component (4); and a transverse actuator connecting seat (7) is arranged on the transverse swing arm component (5).
4. The tooling for workpiece testing according to claim 3, characterized in that the longitudinal swing arm assembly (4) comprises a base frame (8), a swing arm assembly (9) fixed in the base frame (8) and a linear guide rail (10) arranged on top of the base frame (8); the transverse swing arm assembly (5) is arranged on the linear guide rail (10) in a sliding mode.
5. The tooling for workpiece testing according to claim 4, wherein the swing arm assembly (9) comprises a swing arm support (11), a swing arm body (12) hinged on the swing arm support (11) in the middle, a connecting rod seat (13) fixed on the swing arm body (12) and a connecting rod (14) hinged with the connecting rod seat (13); one end of the connecting rod (14) far away from the connecting rod seat (13) is hinged with a guide vertical plate (102) of the workpiece (100); the longitudinal actuator connecting seat (6) is arranged at the end part of the swing arm body (12).
6. The tooling for workpiece testing according to claim 3, wherein the transverse swing arm assembly (5) comprises a sliding block (15) and mounting plates (16) fixed at two ends of the sliding block through connecting keys; a sliding groove is formed in the mounting plate (16), and the end part of a guide vertical plate (102) of the workpiece (100) is arranged in the sliding groove in a sliding manner; the transverse actuator connecting seat (7) is fixed on the mounting plate (16).
7. The tooling for workpiece testing according to claim 2, characterized in that the reaction frame assembly (2) comprises a reaction frame (17), a cross beam (18) fixed on one side of the reaction frame (17), at least two supporting seats (19) arranged on the cross beam (18) and a bearing (20) fixed on the supporting seat (19); the bearing (20) is used for fixing a torsion beam (101) of the workpiece (100).
8. The tooling for workpiece testing according to claim 7, wherein one end of the auxiliary support component (3) is flush with the bottom of the reaction frame component (2), and the other end is attached to the bottom of the cross beam (18).
9. An experimental method for a workpiece, characterized in that the experimental method is divided into two types:
the method comprises the following steps: the method is suitable for rigidity and fatigue test of the torsion beam (101): determining theoretical values of longitudinal force and transverse force borne by the torsion beam (101) according to the design load of the torsion beam, and controlling the longitudinal swing arm assembly (4) and the transverse swing arm assembly (5) to enable the longitudinal swing arm assembly (4) and the transverse swing arm assembly (5) to realize longitudinal and transverse dual-channel composite periodic dynamic loading so as to test the rigidity and fatigue performance of the torsion beam (101);
the second method comprises the following steps: the rigidity and fatigue test suitable for the transverse guide vertical plate (102) is as follows: and determining a theoretical value of the longitudinal force borne by the guide vertical plate (102) according to the design load of the guide vertical plate, and then carrying out rigidity and fatigue performance tests on the longitudinal swing arm assembly (4) by controlling the longitudinal swing arm assembly (4) to enable the longitudinal swing arm assembly (4) to be periodically and dynamically loaded.
CN202010814574.8A 2020-08-13 2020-08-13 Tool for workpiece test and experimental method Pending CN112067320A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010814574.8A CN112067320A (en) 2020-08-13 2020-08-13 Tool for workpiece test and experimental method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010814574.8A CN112067320A (en) 2020-08-13 2020-08-13 Tool for workpiece test and experimental method

Publications (1)

Publication Number Publication Date
CN112067320A true CN112067320A (en) 2020-12-11

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Application Number Title Priority Date Filing Date
CN202010814574.8A Pending CN112067320A (en) 2020-08-13 2020-08-13 Tool for workpiece test and experimental method

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CN (1) CN112067320A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201311359Y (en) * 2008-12-11 2009-09-16 中国南方工业汽车股份有限公司四川建安车桥分公司 Vehicle torsion beam tester
CN203811385U (en) * 2014-03-24 2014-09-03 上海汇众汽车制造有限公司 Torsion beam rear axle multichannel road simulation test variable stiffness floating test clamp
CN104655410A (en) * 2014-11-20 2015-05-27 江苏九龙汽车制造有限公司 Multifunctional testing table for simulating actual working conditions
CN106468622A (en) * 2015-08-14 2017-03-01 陕西重型汽车有限公司 Torsional Fatigue Testing Bench for Automotive Ftame with prestowage device
CN208459018U (en) * 2018-07-02 2019-02-01 湖南湖大艾盛汽车技术开发有限公司 The torsion beam testing table for fatigue strength frame of two channel simulated roadways
CN109708983A (en) * 2019-02-28 2019-05-03 山东大学 A kind of fatigue test system and method for traffic loading application
CN209214917U (en) * 2018-04-23 2019-08-06 陕西重型汽车有限公司 Torsional Fatigue Testing Bench for Automotive Ftame
CN110530655A (en) * 2018-05-25 2019-12-03 广州汽车集团股份有限公司 A kind of combined type torsion beam experimental rig

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201311359Y (en) * 2008-12-11 2009-09-16 中国南方工业汽车股份有限公司四川建安车桥分公司 Vehicle torsion beam tester
CN203811385U (en) * 2014-03-24 2014-09-03 上海汇众汽车制造有限公司 Torsion beam rear axle multichannel road simulation test variable stiffness floating test clamp
CN104655410A (en) * 2014-11-20 2015-05-27 江苏九龙汽车制造有限公司 Multifunctional testing table for simulating actual working conditions
CN106468622A (en) * 2015-08-14 2017-03-01 陕西重型汽车有限公司 Torsional Fatigue Testing Bench for Automotive Ftame with prestowage device
CN209214917U (en) * 2018-04-23 2019-08-06 陕西重型汽车有限公司 Torsional Fatigue Testing Bench for Automotive Ftame
CN110530655A (en) * 2018-05-25 2019-12-03 广州汽车集团股份有限公司 A kind of combined type torsion beam experimental rig
CN208459018U (en) * 2018-07-02 2019-02-01 湖南湖大艾盛汽车技术开发有限公司 The torsion beam testing table for fatigue strength frame of two channel simulated roadways
CN109708983A (en) * 2019-02-28 2019-05-03 山东大学 A kind of fatigue test system and method for traffic loading application

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