CN115127944A - Weld joint durability test device for aluminum alloy auxiliary frame - Google Patents
Weld joint durability test device for aluminum alloy auxiliary frame Download PDFInfo
- Publication number
- CN115127944A CN115127944A CN202210601711.9A CN202210601711A CN115127944A CN 115127944 A CN115127944 A CN 115127944A CN 202210601711 A CN202210601711 A CN 202210601711A CN 115127944 A CN115127944 A CN 115127944A
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- CN
- China
- Prior art keywords
- welding seam
- vehicle frame
- sub vehicle
- clamping part
- aluminum alloy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/08—Detecting presence of flaws or irregularities
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
- G01N2203/0064—Initiation of crack
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0296—Welds
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a welding seam endurance test device for aluminum alloy sub vehicle frame, includes the actuator, still includes a plurality of bases, welding seam anchor clamps, and each base is fixed on ground, and respectively with each automobile body installing support fixed connection of sub vehicle frame, the welding seam anchor clamps include clamping part, connecting portion, the clamping part sets up the centre gripping groove, the shape in centre gripping groove is the same with the cross sectional shape of sub vehicle frame welding seam department, and the groove depth in centre gripping groove is the same with the cross sectional height of sub vehicle frame welding seam department, connecting portion fixed mounting is at the notch of clamping part, the clamping part passes through connecting portion and actuator fixed connection, makes actuator accessible welding seam anchor clamps drive sub vehicle frame and makes reciprocating motion, and its is easy and simple to handle, can the accurate welding seam durability of testing sub vehicle frame.
Description
Technical Field
The invention relates to a test device, in particular to a weld joint durability test device for an aluminum alloy auxiliary frame.
Background
In order to realize light weight of an automobile, aluminum alloy auxiliary frames are widely applied, and a main body of a common aluminum alloy auxiliary frame is generally formed by welding, so that a plurality of welding seams exist, and the welding seam cracking becomes a main cause of durability failure of the aluminum alloy auxiliary frame, so that the quality and the service life of the aluminum alloy auxiliary frame are directly influenced. At present, the whole assemblies of accessory on the aluminum alloy sub vehicle frame are usually completed, after a complete sub vehicle frame assembly is formed, the force is applied to the installation center position of the tire until cracks appear on the welding seam, the detection mode needs to be carried out after all the accessories are installed, the operation steps are more, the detection efficiency is low, the force is applied to the tire installation center, the problem that the stress of each welding seam is uneven easily occurs, and the durability of each welding seam cannot be accurately detected.
Disclosure of Invention
The invention aims to provide a weld seam durability test device for an aluminum alloy auxiliary frame, which is simple and convenient to operate and can accurately test the weld seam durability of the auxiliary frame, aiming at the defects of the prior art.
The technical scheme of the invention is as follows: the utility model provides a welding seam endurance test device for aluminum alloy sub vehicle frame, includes the actuator, still includes a plurality of bases, welding seam anchor clamps, and each base is fixed on ground, and respectively with each automobile body installing support fixed connection of sub vehicle frame, the welding seam anchor clamps include clamping part, connecting portion, the clamping part sets up the centre gripping groove, the shape in centre gripping groove is the same with the cross sectional shape of sub vehicle frame welding seam department, and the groove depth in centre gripping groove is the same with the cross sectional height of sub vehicle frame welding seam department, connecting portion fixed mounting is at the notch of clamping part, connecting portion and actuator fixed connection are passed through to the clamping part, make actuator accessible welding seam anchor clamps drive sub vehicle frame and make reciprocating motion.
Furthermore, the clamping part is oppositely provided with two clamping arms, the upper sections of the two clamping arms are parallel, the lower section of one clamping arm inclines towards the other clamping arm, and a clamping groove with a wide upper part and a narrow lower part is formed between the two clamping arms.
Furthermore, the ends of the two clamping arms are respectively provided with a threaded hole, and the threaded holes are connected with the connecting part in a threaded manner through bolts.
Furthermore, the width of clamping part is 20~30 mm.
Further, connecting portion include connecting block, double-screw bolt, it corresponds with clamping part to set up the mounting hole on the connecting block, the double-screw bolt is used for with actuator threaded connection.
Further, the upper end of the base is provided with a screw hole and is fixedly connected with a vehicle body mounting bracket of the auxiliary frame through a bolt, and the lower end of the base is fixedly connected with the ground through a bolt or a ground pressing block.
Adopt above-mentioned technical scheme: this test device is when using, fix the sub vehicle frame subaerial by the base, the welding seam of sub vehicle frame is held to the clamping part through the welding seam anchor clamps, then fix the notch at the centre gripping groove with connecting portion, and fix the lower extreme at the actuator with connecting portion, make whole welding seam anchor clamps centre gripping parcel live the welding seam, start the actuator, make the actuator pass through the welding seam anchor clamps and drive sub vehicle frame and make reciprocating motion, make actuator reciprocating motion's effort apply on the welding seam of sub vehicle frame, crackle appears until this welding seam, record reciprocating motion's test number of times. This test device need not assemble the sub vehicle frame other accessories at the experimentation, can simplify the operation flow, improves test efficiency, practices thrift test cost, and this test device can be pertinence test each welding seam, can accurately test the durability of each welding seam to improve the accuracy of test result.
The invention is further described with reference to the drawings and the specific embodiments in the following description.
Drawings
FIG. 1 is a schematic view of the present invention assembled with a subframe;
FIG. 2 is a schematic view of a clamping portion according to the present invention;
FIG. 3 is a front view of the clamp of the present invention;
fig. 4 is a schematic structural diagram of the connecting portion of the present invention.
Detailed Description
Referring to fig. 1 to 4, an embodiment of a weld seam durability test device for an aluminum alloy subframe comprises an actuator 1, wherein the actuator 1 of the embodiment adopts an actuator with a model number of 065-300-30 of SERVOTEST, and further comprises a plurality of bases 2 and weld seam clamps. Each base 2 is fixed on ground, and respectively with each automobile body installing support fixed connection of sub vehicle frame 3, 2 upper ends of base set up the screw, and it is fixed with sub vehicle frame 3's automobile body installing support connection through the bolt, utilize the structure of sub vehicle frame 3 self to be connected with base 2, easy operation, convenience, and can not destroy the structure of sub vehicle frame itself, 2 lower extremes of base pass through the bolt or fix and be connected fixedly with ground at ground briquetting, improve the reliability of being connected on base 2 and ground, prevent that sub vehicle frame 3 from being pulled off ground in the process of the test, guarantee going on smoothly experimental. The welding seam anchor clamps include clamping part 4, connecting portion 5, clamping part 4 sets up centre gripping groove 6, the shape of centre gripping groove 6 is the same with the cross section shape of sub vehicle frame welding seam department, makes the inner wall of centre gripping groove 6 can laminate with the welding seam, and the groove depth of centre gripping groove 6 is the same with the cross section height of sub vehicle frame welding seam department, guarantees that centre gripping groove 6 can wrap up the welding seam completely, connecting portion 5 fixed mounting makes the welding seam anchor clamps grasp the welding seam at the notch of clamping part 4. In this embodiment the relative two centre gripping arms 7 that set up of clamping part 4, the upper segment of two centre gripping arms 7 is parallel, and the hypomere of one of them centre gripping arm 7 inclines to another centre gripping arm 7, makes to form wide centre gripping groove 6 narrow down between two centre gripping arms 7, the width of clamping part 4 is 20~30mm, makes clamping part 4 can cover the welding seam completely, guarantees the welding seam and can evenly receive the force in the process of the test, avoids appearing clamping part 4 too wide can not effectively apply the effort for the welding seam, or clamping part 4 too narrow can not effectively cover the welding seam. Clamping part 4 passes through connecting portion 5 and actuator 1 fixed connection, makes actuator 1 accessible welding seam anchor clamps drive sub vehicle frame 3 and make reciprocating motion. In this embodiment the ends of two centre gripping arms 7 set up screw hole 8 respectively, pass screw hole 8 and 5 threaded connection of connecting portion through the bolt, connecting portion 5 includes connecting block 9, double-screw bolt 10, it corresponds with clamping part 4 to set up mounting hole 11 on the connecting block 9, makes connecting portion 5 and clamping part 4 pass through threaded connection, and the assembly is simple, is convenient for change spare part, double-screw bolt 10 be used for with 1 threaded connection of actuator.
This test device is when using, set for the pulling force to actuator 1 in advance, operating parameter such as displacement, fix sub vehicle frame 3 subaerial by base 2, 4 clamping auxiliary vehicle frame 3's welding seams are lived to clamping part through the welding seam anchor clamps, then fix connecting portion 5 at the notch of centre gripping groove 6, and fix connecting portion 5 at actuator 1's lower extreme, make whole welding seam anchor clamps centre gripping parcel live the welding seam, restart actuator 1, make actuator 1 drive sub vehicle frame 3 through the welding seam anchor clamps and do reciprocating motion, let actuator 1 reciprocating motion's effort apply on the welding seam of sub vehicle frame, force sensor through on the actuator 1 acquires test data, the real-time operating data of up to actuator 1 has surpassed the parameter range who sets for, then explain the crackle appears in the welding seam, record reciprocating motion's experimental number of times, it is experimental to accomplish.
This testing device need not assemble sub vehicle frame 3's other accessories at the experimentation, can simplify the operation flow, improves test efficiency, practices thrift test cost, and this testing device can be pertinence test each welding seam, can accurately test the durability of each welding seam to improve the accuracy of test result.
Claims (6)
1. The utility model provides a welding seam endurance test device for aluminum alloy sub vehicle frame, includes actuator (1), its characterized in that: still include a plurality of bases (2), welding seam anchor clamps, each base (2) are fixed on ground, and respectively with each automobile body installing support fixed connection of sub vehicle frame (3), the welding seam anchor clamps include clamping part (4), connecting portion (5), clamping part (4) set up centre gripping groove (6), the shape of centre gripping groove (6) is the same with the cross sectional shape of sub vehicle frame welding seam department, and the groove depth of centre gripping groove (6) is the same with the cross sectional height of sub vehicle frame welding seam department, connecting portion (5) fixed mounting is at the notch of clamping part (4), clamping part (4) are through connecting portion (5) and actuator (1) fixed connection, make actuator (1) accessible welding seam anchor clamps drive sub vehicle frame (3) and make reciprocating motion.
2. The weld durability test device for the aluminum alloy subframe as set forth in claim 1, wherein: the clamping part (4) is oppositely provided with two clamping arms (7), the upper sections of the two clamping arms (7) are parallel, the lower section of one clamping arm inclines towards the other clamping arm, and a clamping groove (6) with a wide upper part and a narrow lower part is formed between the two clamping arms (7).
3. The weld durability test apparatus for the aluminum alloy subframe according to claim 2, wherein: the ends of the two clamping arms (7) are respectively provided with a threaded hole (8), and the threaded holes (8) are penetrated through bolts to be in threaded connection with the connecting part (5).
4. The weld durability test apparatus for the aluminum alloy subframe according to claim 1, wherein: the width of the clamping part (4) is 20-30 mm.
5. The weld durability test apparatus for the aluminum alloy subframe according to claim 1, wherein: connecting portion (5) include connecting block (9), double-screw bolt (10), it corresponds with clamping part (5) to set up mounting hole (11) on connecting block (9), double-screw bolt (10) are used for with actuator (1) threaded connection.
6. The weld durability test apparatus for the aluminum alloy subframe according to claim 1, wherein: the upper end of the base (2) is provided with a screw hole and is fixedly connected with a vehicle body mounting bracket of the auxiliary frame (3) through a bolt, and the lower end of the base (2) is fixedly connected with the ground through a bolt or a ground pressing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601711.9A CN115127944A (en) | 2022-05-30 | 2022-05-30 | Weld joint durability test device for aluminum alloy auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210601711.9A CN115127944A (en) | 2022-05-30 | 2022-05-30 | Weld joint durability test device for aluminum alloy auxiliary frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115127944A true CN115127944A (en) | 2022-09-30 |
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ID=83377648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210601711.9A Pending CN115127944A (en) | 2022-05-30 | 2022-05-30 | Weld joint durability test device for aluminum alloy auxiliary frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115127944A (en) |
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2022
- 2022-05-30 CN CN202210601711.9A patent/CN115127944A/en active Pending
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