CN105865763A - Fatigue testing device and method for multi-angle connection component - Google Patents
Fatigue testing device and method for multi-angle connection component Download PDFInfo
- Publication number
- CN105865763A CN105865763A CN201610177939.4A CN201610177939A CN105865763A CN 105865763 A CN105865763 A CN 105865763A CN 201610177939 A CN201610177939 A CN 201610177939A CN 105865763 A CN105865763 A CN 105865763A
- Authority
- CN
- China
- Prior art keywords
- angle
- sample
- base
- fatigue
- connecting elements
- 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
Links
- 238000009661 fatigue test Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 26
- 238000004458 analytical method Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 17
- 239000000725 suspension Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention relates to a fatigue testing device and method for a multi-angle connection component, and the device comprises an upper clamping tool (1) and a lower clamping tool (2) on the device. The device is characterized in that the device also comprises a pedestal; the pedestal is disposed on the lower clamping tool (2); a to-be-detected multi-angle connection component sample is fixed on the pedestal, and the upper part of the to-be-detected multi-angle connection component sample is clamped in the upper clamping tool (1). The pedestal comprises a universal pedestal (3), or a universal pedestal (3) and an angle pedestal (4). The universal pedestal (3) is suitable for the fatigue testing of a T-shaped connection sample or an L-shaped connection sample. The universal pedestal (3) and the angle pedestal (4) are suitable for the fatigue testing of other angle connection samples, and the angle pedestal (4) is connected with the lower clamping tool (2) through the universal pedestal (3). The dedicated device is used for achieving the testing of the fatigue performances of different angle connection parts, enables the forces applied to different angle connection parts to be applied in a manner of simulating an actual work condition, and guarantees the accuracy of a testing result.
Description
Technical field
The invention belongs to the technical field of fatigue test fixture and method, be specifically related to fatigue experimental device and the fatigue test method of a kind of multi-angle connecting elements.
Background technology
In automobile research, welding procedure is as important connected mode, and chassis suspension system many employings metal thick plate part is welded, and thick plate punched element or pipe fitting is welded to each other, and type of attachment is based on weld seam.Suspension bears jolting of road surface as the system that carrying car load travels and is chronically in tired stress, the fatigue failure of chassis suspension system can use car load and safety causes tremendous influence, it is ensured that complete vehicle quality reliability is of great importance by the design strength of suspension system.In car load cae analysis, in particularly analyzing suspension bonding strength, the fatigue behaviour of connection is necessary input data, therefore obtains connection fatigue behaviour data accurately most important to cae analysis.
The solder design of suspension system is often the connection of multi-angle, such as the connection between plate and plate, connection between plate and pipe fitting, present the state of multi-angle, it is different that various angles connect force-bearing situation, need the fatigue behaviour that different angles are connected to test to be analyzed as design input, there is no the effective ways for Multi-angle connecting piece fatigue property test at present.Use rigidity to assume link position in cae analysis or suspension assembly is carried out bench test checking volume fatigue strength and tend not to embody the fatigue properties of connection itself, through finished automobile road test or the fatigue failure of the connecting portions such as weld seam the most often occurs.
Summary of the invention
The present invention devises fatigue experimental device and the fatigue test method of a kind of multi-angle connecting elements, to solve car load chassis suspension system welded unit and the problem of similar Fatigue Behavior of Riveted structure test difficulty in prior art, it is thus achieved that the multi-angle more agreeing with actual condition connects fatigue behaviour data and makes cae analysis more accurate.
In order to solve the technical problem of above-mentioned existence, present invention employs below scheme:
A kind of fatigue experimental device of multi-angle connecting elements, including the upper fixture (1) on fatigue rig and lower clamp (2), it is characterized in that: also include base, floor installation is on lower clamp (2), multi-angle connecting elements sample to be measured is fixed on base, and the upper pinch of multi-angle connecting elements sample to be measured is in upper fixture (1).
Further, base includes Universal base (3) or Universal base (3) and angle base (4)；Universal base (3) is applicable to T-shaped connection sample or the fatigue test of L-type connection sample；Universal base (3) and angle base (4) are applicable to other angles and connect the fatigue test of sample, and angle base (4) is connected by Universal base (3) and lower clamp (2).
Further, Universal base (3) is a T-type structure, lower clamp (2) cooperating on riser portion and fatigue rig is to be fixed on Universal base (3) on lower clamp (2), and lateral piece sets up separately and is equipped with some U-shaped installing holes (31) and connects sample or angle base (4) in order to install T-shaped connection sample or L-type.
Further, angle base (4) includes base plate and column, base plate has some elongated installing holes (41) to be connected with Universal base (3)；Column is arranged on base plate, and inclined-plane is processed into adapt to treat measuring angle interconnection system sample in the upper surface of column.
Further, the inclined-plane of angle base (4) column is machined with multiple screw (42), will treat that measuring angle connects sample and is fixed on angle base (4) by screw.
A kind of fatigue test method of multi-angle connecting elements, it is characterised in that:
Step 1, make multi-angle connecting elements sample according to the corresponding specification that connects；
Step 2, according to carrying out the specification of multi-angle connecting elements sample tested and fatigue rig fixture selects corresponding Universal base and angle base;
Step 3 needs the load data gathered and cae analysis demand carry out the setting of loading environment and carry out test according to angle connecting elements, finally carries out the process of fatigue behaviour data according to corresponding data processing method and is applied to follow-up cae analysis.
Further, in step 1, multi-angle connecting elements sample is steelwork or almag part.
Further, in step 1, the connected mode of multi-angle connecting elements sample is welding or bonding or riveting.
Further, in step 2, when T-shaped connection sample or L-type being connected sample and carrying out fatigue test, select Universal base (3), directly T-shaped connection sample or L-type are connected sample to be installed on Universal base (3) by bolt, first carry out pretension with bolt, and adjust alignment and fasten with bolt again；T-shaped connection sample or L-type are connected sample be anchored on Universal base (3) upper after again integral installation on fatigue rig, during i.e. the riser of Universal base (3) is clamped in the lower clamp (2) of fatigue rig, T-shaped connection sample or L-type connect the upper pinch of sample in the upper fixture (1) of fatigue rig.
Further, in step 2, when other angle being connected sample and carrying out fatigue test, select Universal base (3) and angle base (4), angle is connected sample and is anchored on angle base (4)；Again angle base (4) is installed on Universal base (3), first carries out pretension with bolt, and adjust alignment and fasten with bolt again；Angle base (4) is fixed on Universal base (3) upper after again integral installation on fatigue rig, during i.e. the riser of Universal base (3) is clamped in the lower clamp (2) of fatigue rig, angle connects the upper pinch of sample in the upper fixture (1) of fatigue rig.
Fatigue experimental device and the fatigue test method of this multi-angle connecting elements have the advantages that
(1) present invention can simulate the fatigue property test that between plate and plate in chassis suspension system, plate and pipe etc., different angles are connected with the fatigue property test of angular divergence connecting elements (being not limited to connected mode and material), can simulate multiple load angle.
(2) longer due to the fatigue test cycle, extra component can produce impact in various degree to result of the test, the present invention use U-shaped installing hole and elongated installing hole carry out location is installed, use and adjust alignment again by the mode of bolt fastening, a certain degree of adjustment can be carried out, avoid and offset the impact on test stress model due to what connector joint thermal stress deformation or positioning runout caused, it is ensured that load alignment；The situation forming extra component can be prevented effectively from, the deviation caused due to exemplar processing or other factors can be avoided, it is ensured that the alignment that exemplar loads, it is ensured that the accuracy of result of the test.
(3) present invention can obtain different loading paths and stress transfer mode relation fatigue behaviour data, promotes the results of measuring accuracy of cae analysis, short form test process.
(4) present invention employs Special testing device and realize the test of different angles connector (being not limited to connected mode and material) fatigue behaviour, make the angle lateral load of different angles connector force simulation actual condition.
Accompanying drawing explanation
Fig. 1: the structural representation I of the fatigue experimental device of multi-angle connecting elements of the present invention；
Fig. 2: the structural representation II of the fatigue experimental device of multi-angle connecting elements of the present invention；
Fig. 3: the front view of Universal base in the present invention；
Fig. 4: the top view of Universal base in the present invention；
Fig. 5: the front view of angle base in the present invention；
Fig. 6: the top view of angle base in the present invention；
Fig. 7: the left view of angle base in the present invention；
Fig. 8: the front view of T-shaped connection sample；
Fig. 9: the top view of T-shaped connection sample；
Figure 10: angle connects the front view of sample；
Figure 11: angle connects the top view of sample；
Figure 12: angle connects the left view of sample.
Description of reference numerals:
Fixture on 1；2 lower clamps；3 Universal bases；31 U-shaped installing holes；4 angle bases；41 elongated installing holes；42 screws；5 T-shaped connection samples；6 angles connect sample.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention will be further described:
Fig. 1 to Fig. 2 shows the fatigue experimental device of a kind of multi-angle connecting elements, including upper fixture 1, lower clamp 2, Universal base 3 and angle base 4.Universal base 3 is arranged on lower clamp 2, and angle base 4 is arranged on Universal base 3, and multi-angle connecting elements sample to be measured is fixed on angle base 4, and the upper end of multi-angle connecting elements sample to be measured is clipped in fixture 1.When multi-angle connecting elements sample to be measured is T-shaped connection sample, T-shaped connection sample can be directly anchored between Universal base 3 and upper fixture 1.It is illustrated in figure 1 T-shaped connection sample 5 and carries out fatigue test, be illustrated in figure 2 angle connection sample 6 and carry out fatigue test.Upper fixture 1 and lower clamp 2 are arranged on fatigue rig.
The structure of Universal base 3 is as shown in Figure 3 and Figure 4.Universal base 3 is a T-type structure, and riser portion, in the lower clamp 2 being clamped on fatigue rig, matches with fatigue rig lower clamp 2；Lateral piece demultiplexing is in being connected sample 5 with T-shaped or angle base 4 is connected, lateral piece sets up separately and is equipped with some U-shaped installing holes 31 T-shaped to be connected sample 5 or angle base 4 is bolted with to be measured, adjusting position when U-shaped installing hole 31 is used for installing T-shaped connection sample 5 or angle base 4, to keeping sample and the alignment of fixture 1 on fatigue rig during sample imposed load.
The structure of angle base 4 is as shown in Fig. 5, Fig. 6 and Fig. 7.Angle base 4 includes base plate and column, have some elongated installing holes 41 on base plate to be connected with the U-shaped installing hole 31 by bolt with Universal base 3, spacer bolt nut or flanged bolt and nut can be used in connection procedure to be as required fixed, to increase the stability of clamping.This elongated installing hole 41 for Universal base 3 between installation and adjust position, it is ensured that the alignment that sample loads.Column is arranged on base plate, and inclined-plane is processed into adapt to treat measuring angle interconnection system sample 6 in the upper surface of column, and the angle of inclination on inclined-plane is by treating that measuring angle connects the component angle-determining of sample 6.Being machined with multiple screw 42 on inclined-plane with by screw with treat that measuring angle connects sample 6 and connects, the position of this screw 42 can connect sample 6 location requirement according to angle and freely arrange, not produce interference and be advisable when with bolt tightening angle connection sample 6.
When carrying out fatigue test:
1, multi-angle connecting elements sample is made according to the corresponding specification that connects, such as similar connected modes (being not limited to connected mode and material) such as steelwork or the welding of almag part, bonding, rivetings.
2, according to carrying out the multi-angle connecting elements size of sample tested and fatigue rig fixture selects Universal base and angle base;When T-shaped connection sample 5 is carried out fatigue test, then directly T-shaped connection sample 5 is installed on Universal base 3 by bolt, first carry out pretension with bolt, and adjust alignment and fasten with bolt again, after T-shaped connection sample 5 is anchored on Universal base 3 again integral installation on fatigue rig, during i.e. the riser of Universal base 3 is clamped in the lower clamp 2 of fatigue rig, the upper pinch of T-shaped connection sample 5 is in the upper fixture 1 of fatigue rig, such as Fig. 1;
When angle being connected sample 6 and carrying out fatigue test, angle connects sample 6 bolt be anchored on angle base 4, again angle base 4 is installed on Universal base 3, and adjust alignment and fasten with bolt again, after angle base 4 is fixed on Universal base 3 again integral installation on fatigue rig, during i.e. the riser of Universal base 3 is clamped in the lower clamp 2 of fatigue rig, angle connects the upper pinch of sample 6 in the upper fixture 1 of fatigue rig, then test, such as Fig. 2.
3, need the load data gathered and cae analysis demand carry out the setting of loading environment and carry out test according to angle connecting elements, carry out the process of fatigue behaviour data according to corresponding data processing method and be applied to follow-up cae analysis.
The present invention can simulate the fatigue property test that between plate and plate in chassis suspension system, plate and pipe etc., different angles are connected with the fatigue property test of angular divergence connecting elements (being not limited to connected mode and material), can simulate multiple load angle.
Owing to the fatigue test cycle is longer, extra component can produce impact in various degree to result of the test, by U-shaped installing hole and the design of elongated installing hole in the present invention, use and adjust alignment again by the mode of bolt fastening, the situation forming extra component can be prevented effectively from, the deviation caused due to exemplar processing or other factors can be avoided, it is ensured that the alignment that exemplar loads, it is ensured that the accuracy of result of the test.
The present invention can obtain different loading paths and stress transfer mode relation fatigue behaviour data, promotes the results of measuring accuracy of cae analysis, short form test process.
The present invention solves the test of multiple angles Fatigue Behavior of Riveted structure, makes the angle lateral load of angle connector force simulation actual condition；Solve and offset the impact on test stress model due to what connector joint thermal stress deformation or positioning runout caused, it is ensured that load alignment；Solve the acquisition of the fatigue data of relation between different loading paths and stress transfer mode, promote the accuracy of cae analysis.
Above in conjunction with accompanying drawing, the present invention is carried out exemplary description; obviously the realization of the present invention is not subject to the restrictions described above; if the various improvement that the method design that have employed the present invention is carried out with technical scheme; or the most improved design by the present invention and technical scheme directly apply to other occasion, the most within the scope of the present invention.
Claims (10)
1. the fatigue experimental device of a multi-angle connecting elements, including the upper fixture (1) on fatigue rig and lower clamp (2), it is characterized in that: also include base, floor installation is on lower clamp (2), multi-angle connecting elements sample to be measured is fixed on base, and the upper pinch of multi-angle connecting elements sample to be measured is in upper fixture (1).
The fatigue experimental device of multi-angle connecting elements the most according to claim 1, it is characterised in that: base includes Universal base (3) or Universal base (3) and angle base (4)；Universal base (3) is applicable to T-shaped connection sample or the fatigue test of L-type connection sample；Universal base (3) and angle base (4) are applicable to other angles and connect the fatigue test of sample, and angle base (4) is connected by Universal base (3) and lower clamp (2).
The fatigue experimental device of multi-angle connecting elements the most according to claim 2, it is characterized in that: Universal base (3) is a T-type structure, lower clamp (2) cooperating on riser portion and fatigue rig is to be fixed on Universal base (3) on lower clamp (2), and lateral piece sets up separately and is equipped with some U-shaped installing holes (31) and connects sample or angle base (4) in order to install T-shaped connection sample or L-type.
4. according to the fatigue experimental device of the multi-angle connecting elements described in Claims 2 or 3, it is characterised in that: angle base (4) includes base plate and column, base plate has some elongated installing holes (41) to be connected with Universal base (3)；Column is arranged on base plate, and inclined-plane is processed into adapt to treat measuring angle interconnection system sample in the upper surface of column.
The fatigue experimental device of multi-angle connecting elements the most according to claim 4, it is characterised in that: it is machined with multiple screw (42) on the inclined-plane of angle base (4) column, will treat that measuring angle connects sample and is fixed on angle base (4) by screw.
6. the fatigue test method of a multi-angle connecting elements, it is characterised in that:
Step 1, make multi-angle connecting elements sample according to the corresponding specification that connects；
Step 2, according to carrying out the specification of multi-angle connecting elements sample tested and fatigue rig fixture selects corresponding Universal base and angle base;
Step 3 needs the load data gathered and cae analysis demand carry out the setting of loading environment and carry out test according to angle connecting elements, finally carries out the process of fatigue behaviour data according to corresponding data processing method and is applied to follow-up cae analysis.
The fatigue experimental device of multi-angle connecting elements the most according to claim 6, it is characterised in that: in step 1, multi-angle connecting elements sample is steelwork or almag part.
8. according to the fatigue experimental device of the multi-angle connecting elements described in claim 6 and 7, it is characterised in that: in step 1, the connected mode of multi-angle connecting elements sample is welding or bonding or riveting.
The fatigue experimental device of multi-angle connecting elements the most according to claim 6, it is characterized in that: in step 2, when T-shaped connection sample or L-type being connected sample and carrying out fatigue test, select Universal base (3), directly T-shaped connection sample or L-type are connected sample to be installed on Universal base (3) by bolt, first carry out pretension with bolt, and adjust alignment and fasten with bolt again；T-shaped connection sample or L-type are connected sample be anchored on Universal base (3) upper after again integral installation on fatigue rig, during i.e. the riser of Universal base (3) is clamped in the lower clamp (2) of fatigue rig, T-shaped connection sample or L-type connect the upper pinch of sample in the upper fixture (1) of fatigue rig.
10. according to the fatigue experimental device of the multi-angle connecting elements described in claim 6 and 9, it is characterized in that: in step 2, when other angle being connected sample and carrying out fatigue test, select Universal base (3) and angle base (4), angle is connected sample and is anchored on angle base (4)；Again angle base (4) is installed on Universal base (3), first carries out pretension with bolt, and adjust alignment and fasten with bolt again；Angle base (4) is fixed on Universal base (3) upper after again integral installation on fatigue rig, during i.e. the riser of Universal base (3) is clamped in the lower clamp (2) of fatigue rig, angle connects the upper pinch of sample in the upper fixture (1) of fatigue rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177939.4A CN105865763A (en) | 2016-03-25 | 2016-03-25 | Fatigue testing device and method for multi-angle connection component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177939.4A CN105865763A (en) | 2016-03-25 | 2016-03-25 | Fatigue testing device and method for multi-angle connection component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105865763A true CN105865763A (en) | 2016-08-17 |
Family
ID=56625533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610177939.4A Pending CN105865763A (en) | 2016-03-25 | 2016-03-25 | Fatigue testing device and method for multi-angle connection component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105865763A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940252A (en) * | 2017-04-27 | 2017-07-11 | 西南交通大学 | The loosening test device and its application method of a kind of bolt connection structure |
| CN107817118A (en) * | 2017-12-04 | 2018-03-20 | 余中华 | A kind of back axle shock absorber support torsional fatigue test device |
| CN108645701A (en) * | 2018-05-07 | 2018-10-12 | 北京航空航天大学 | A kind of test T connector multi-angle mechanical behavior experimental rig |
| CN109000903A (en) * | 2018-05-31 | 2018-12-14 | 东北大学 | Rolling linear guide and ball screw system reliability test loading device and method |
| CN109341941A (en) * | 2018-09-29 | 2019-02-15 | 蚌埠市龙子湖区金力传感器厂 | A kind of pressure sensor fatigue experimental device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201072380Y (en) * | 2007-09-12 | 2008-06-11 | 扬州大学 | Clamper of nail connection node test fixture |
| CN102735557A (en) * | 2012-05-22 | 2012-10-17 | 奇瑞汽车股份有限公司 | Fatigue test device for vehicle body thin plate, and test method thereof |
| CN203414337U (en) * | 2013-08-20 | 2014-01-29 | 首钢总公司 | Special clamp for automobile plate welding spot cross tensile experiment |
| CN103558015A (en) * | 2013-10-12 | 2014-02-05 | 奇瑞汽车股份有限公司 | Universal type rubber bushing test rack |
| CN104111194A (en) * | 2014-06-20 | 2014-10-22 | 天津大学 | Clamp for connecting fatigue testing machine and welding guide rail test piece |
| CN204286930U (en) * | 2014-12-19 | 2015-04-22 | 上海振华重工(集团)股份有限公司 | For the loading fixture of track testing fatigue |
-
2016
- 2016-03-25 CN CN201610177939.4A patent/CN105865763A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201072380Y (en) * | 2007-09-12 | 2008-06-11 | 扬州大学 | Clamper of nail connection node test fixture |
| CN102735557A (en) * | 2012-05-22 | 2012-10-17 | 奇瑞汽车股份有限公司 | Fatigue test device for vehicle body thin plate, and test method thereof |
| CN203414337U (en) * | 2013-08-20 | 2014-01-29 | 首钢总公司 | Special clamp for automobile plate welding spot cross tensile experiment |
| CN103558015A (en) * | 2013-10-12 | 2014-02-05 | 奇瑞汽车股份有限公司 | Universal type rubber bushing test rack |
| CN104111194A (en) * | 2014-06-20 | 2014-10-22 | 天津大学 | Clamp for connecting fatigue testing machine and welding guide rail test piece |
| CN204286930U (en) * | 2014-12-19 | 2015-04-22 | 上海振华重工(集团)股份有限公司 | For the loading fixture of track testing fatigue |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940252A (en) * | 2017-04-27 | 2017-07-11 | 西南交通大学 | The loosening test device and its application method of a kind of bolt connection structure |
| CN106940252B (en) * | 2017-04-27 | 2023-06-16 | 西南交通大学 | Looseness test device for bolt connection structure and use method of looseness test device |
| CN107817118A (en) * | 2017-12-04 | 2018-03-20 | 余中华 | A kind of back axle shock absorber support torsional fatigue test device |
| CN108645701A (en) * | 2018-05-07 | 2018-10-12 | 北京航空航天大学 | A kind of test T connector multi-angle mechanical behavior experimental rig |
| CN109000903A (en) * | 2018-05-31 | 2018-12-14 | 东北大学 | Rolling linear guide and ball screw system reliability test loading device and method |
| CN109341941A (en) * | 2018-09-29 | 2019-02-15 | 蚌埠市龙子湖区金力传感器厂 | A kind of pressure sensor fatigue experimental device |
| CN109341941B (en) * | 2018-09-29 | 2021-07-13 | 蚌埠市龙子湖区金力传感器厂 | Fatigue test device for pressure sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105865763A (en) | Fatigue testing device and method for multi-angle connection component | |
| CN109781557B (en) | Weld fatigue testing method for train body welding assembly | |
| CN104406850B (en) | A kind of rubber bushing stiffness measurement device and its application method | |
| CN202582991U (en) | Bolt shear fatigue test fixture device | |
| CN205785793U (en) | Bush test stand | |
| US20210055181A1 (en) | Fatigue test assessment method | |
| CN109186901A (en) | A kind of automobile tow hook fixed point stiffness test method | |
| CN110208085B (en) | Metal material hole extrusion test device and test method | |
| CN105628402B (en) | A kind of torsion beam of automobile rear axle fatigue experimental device | |
| CN109520831B (en) | Bolt connection static test tool, test system and use method | |
| CN105740550A (en) | Fastened connector simulation method during safety belt fixed point strength analysis | |
| CN202693330U (en) | Special fixture for vehicle clutch and accelerator pedal performance test bench rack | |
| CN106680118B (en) | Rail transit vehicle body welding structure method for testing fatigue | |
| CN108593175A (en) | A kind of workshop ball node flap seat vertical load measuring device and measuring method | |
| CN106501012A (en) | A kind of plate spring suspension brackets bench test device | |
| CN216645870U (en) | Tool for automobile steering knuckle bench test | |
| CN210375716U (en) | General type braking bench test clamping device | |
| CN106546435B (en) | Front auxiliary frame falling mechanism strength test equipment and method | |
| CN205904617U (en) | Welding positioning fixture | |
| CN208187605U (en) | A kind of measuring device for automobile workshop ball node flap seat vertical load | |
| CN113607037B (en) | Utensil is assisted in assembly alignment degree inspection of car back door | |
| CN203719895U (en) | Axle lateral fatigue testing machine | |
| CN218723638U (en) | Automobile back spare door assembly precision detects frock | |
| CN208399298U (en) | Flange welding fatigue property test tooling | |
| CN108548678A (en) | Axle noise experimental test tooling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |