CN104191389B - Adjustable jack shaft Constrained mode test fixing device - Google Patents
Adjustable jack shaft Constrained mode test fixing device Download PDFInfo
- Publication number
- CN104191389B CN104191389B CN201410373370.XA CN201410373370A CN104191389B CN 104191389 B CN104191389 B CN 104191389B CN 201410373370 A CN201410373370 A CN 201410373370A CN 104191389 B CN104191389 B CN 104191389B
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- slot
- traversing carriage
- jack shaft
- base
- sipes
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of adjustable jack shaft Constrained mode test fixing device, comprise base, fixed support and traversing carriage, fixed support is bolted on one end of base, and traversing carriage is arranged on the other end of base, and can coordinate with base sliding.Fixed support and traversing carriage offer the pilot hole for installing jack shaft, and by being arranged on the jack shaft of the bolt assembly location different model on fixed support and traversing carriage.This fixture reliably can be fixed the jack shaft of different length, different radii, different setting angle, it is carried out to the test of mode with the state of analog-driven semiaxis on car load, thus the NVH performance of different model jack shaft can be evaluated at project development early stage.
Description
Technical field
The present invention relates to the fixture of automobile component test, more specifically to one adjustable jack shaft Constrained mode test fixing device.
Background technology
Along with the development of automotive engineering, people are more and more higher to automobile noise level requirement, and the resonance of Automobile drive semiaxis, as the one of the main reasons producing the noise that thunders, has important impact to in-vehicle sound quality.Can draw according to test in the past, when the jack shaft that vehicle installation mode is higher, its internal car noise is obviously better than the low jack shaft of mode; , find in various noise rating process, the jack shaft mode of the more excellent vehicle of noise level is general higher, can find out the impact that jack shaft mode is important on NVH performance thus meanwhile.But at present except carrying out, except mould measurement, there is no special purpose device monomer whose being carried out to Constrained mode test to jack shaft on car load, cause at project development in earlier stage, when namely there is no heterozygosis car or fixture vehicle, Performance Evaluation to be carried out to jack shaft tool part.
Summary of the invention
The object of this invention is to provide a kind of adjustable jack shaft Constrained mode test fixing device, reliably can fix the jack shaft of different length, different radii, different setting angle, it is carried out to the test of mode with the state of analog-driven semiaxis on car load, thus the NVH performance of different model jack shaft can be evaluated at project development early stage.
Adjustable jack shaft Constrained mode test fixing device of the present invention, comprise base, fixed support and traversing carriage, fixed support is bolted on one end of base, and traversing carriage is arranged on the other end of base, and can vertically move along base.
Described support bracket fastened middle part longitudinally offers the first pilot hole of U-shaped profile along base, longitudinally the first T-slot is offered along base at support bracket fastened top, first T-slot is communicated with the first pilot hole, its sipes is in the below of narrow groove, the first bolt assembly mated with it is provided with in the first T-slot, first bolt assembly is made up of bolt and the nut that spins with it, and this nut is positioned at the sipes of the first T-slot.
The middle part of described traversing carriage is through along base vertical and horizontal, the second through in length and breadth pilot hole is formed in traversing carriage inside, top longitudinally offers U-lag U-shaped back-up block along base is provided with in the second pilot hole, the top of traversing carriage longitudinally offers the second T-slot along base, second T-slot is communicated with the second pilot hole, its sipes is in the below of narrow groove, the second bolt assembly mated with it is provided with in the second T-slot, second bolt assembly is made up of bolt and the nut that spins with it, and this nut is positioned at the sipes of the second T-slot.
Further, between bottom U-shaped back-up block and traversing carriage, being provided with pad, by increasing and decreasing the quantity of pad, being used for adjusting the different setting angle of jack shaft.
Further, base offers the 3rd T-slot in the both sides of the one end of installing traversing carriage, its sipes is in the below of narrow groove, traversing carriage is connected with base with the 3rd bolt assembly by the 3rd T-slot, 3rd bolt assembly is made up of bolt and the nut that spins with it, and this nut is positioned at the sipes of the 3rd T-slot.
Adjustable jack shaft Constrained mode test fixing device of the present invention, owing to having said structure, by the change of position between fixed support and traversing carriage, and the increase and decrease to pad between bottom U-shaped back-up block and traversing carriage, reliably can fix the jack shaft of different length, different radii, different setting angle, and simple to operate, saving of work and time, achieve the NVH performance at project development assessment in early stage different model jack shaft.
Accompanying drawing explanation
Fig. 1 is axonometric drawing of the present invention;
Fig. 2 is support bracket fastened axonometric drawing in the present invention;
Fig. 3 is the axonometric drawing of traversing carriage in the present invention;
Fig. 4 is the axonometric drawing of base in the present invention;
Fig. 5 is the Local map of base and traversing carriage installation place in the present invention;
Fig. 6 is traversing carriage assembling partial sectional view in the present invention;
Fig. 7 is the installation diagram of the present invention and jack shaft.
Detailed description of the invention
In order to explain technical scheme of the present invention further, below in conjunction with accompanying drawing, the present invention will be described in detail.
See Fig. 1 to Fig. 6, this adjustable jack shaft Constrained mode test fixing device, comprises elongated base 2, fixed support 1 and traversing carriage 3.Fixed support 1 is fixed on one end of base 2 by bolt 8.The middle part of fixed support 1 longitudinally offers the first pilot hole 13 of U-shaped profile along base, longitudinally the first T-slot 11 is offered along base at the top of fixed support 1, first T-slot 11 is communicated with the first pilot hole 13, its sipes is in the below of narrow groove, the first bolt assembly 9 mated with it is provided with in the first T-slot 11, first bolt assembly 9 is made up of bolt and the nut that spins with it, and this nut is positioned at the sipes of the first T-slot 11.
The 3rd T-slot 22 is offered in the both sides of the other end of base 2, its sipes is in the below of narrow groove, traversing carriage 3 is connected with base 2 with the 3rd bolt assembly 5 by the 3rd T-slot 22,3rd bolt assembly 5 is made up of bolt and the nut that spins with it, this nut is positioned at the sipes of the 3rd T-slot 22, and traversing carriage 3 can be vertically moved along base.The middle part of traversing carriage 3 is through along base vertical and horizontal, the second through in length and breadth pilot hole 33 is formed in traversing carriage inside, top longitudinally offers U-lag 61 U-shaped back-up block 6 along base is provided with in the second pilot hole 33, be provided with some pads 4 between bottom U-shaped back-up block 6 and traversing carriage 3, the thickness of pad 4 is that 3mm(also can be 4mm or 5mm).The top of traversing carriage 3 longitudinally offers the second T-slot 31 along base, second T-slot 31 is communicated with the second pilot hole 33, its sipes is in the below of narrow groove, the second bolt assembly 7 mated with it is provided with in the second T-slot 31, second bolt assembly 7 is made up of bolt and the nut that spins with it, and this nut is positioned at the sipes of the second T-slot 31.
Shown in Figure 7, during installation, first a universal joint end of jack shaft 10 is arranged in the first pilot hole 13 of fixed support 1, the first bolt assembly 9 be tightened on support 1, make screw end head place closely be pressed on this universal joint end, achieve fixing this universal joint end.After one universal joint end of jack shaft 10 fixedly completes, according to practical set angle, jack shaft 10 is adjusted again, after determining the position of another universal joint end of jack shaft, regulate traversing carriage 3 to suitable position, the position of traversing carriage 3 is fixed by screwing the 3rd bolt assembly 5, next by the quantity of U-shaped back-up block 6 inferior shim 4 of increase and decrease, traversing carriage 3 and jack shaft other end gimbal position are matched, universal joint end is spacing in the U-type groove 61 of U-shaped back-up block 6, finally screw the second bolt assembly 7 on traversing carriage 3, screw end head place is closely pressed on this universal joint.
Claims (3)
1. adjustable jack shaft Constrained mode test fixing device, it is characterized in that: comprise base (2), fixed support (1) and traversing carriage (3), fixed support is fixed on one end of base by bolt (8), traversing carriage is arranged on the other end of base, and can vertically move along base;
The middle part of described fixed support (1) longitudinally offers first pilot hole (13) of U-shaped profile along base, longitudinally the first T-slot (11) is offered along base at support bracket fastened top, first T-slot is communicated with the first pilot hole, its sipes is in the below of narrow groove, the first bolt assembly (9) mated with it is provided with in the first T-slot, first bolt assembly is made up of bolt and the nut that spins with it, and this nut is positioned at the sipes of the first T-slot;
The middle part of described traversing carriage (3) is through along base vertical and horizontal, the second pilot hole (33) through is in length and breadth formed in traversing carriage inside, top longitudinally offers U-lag (61) U-shaped back-up block (6) along base is provided with in the second pilot hole, the top of traversing carriage longitudinally offers the second T-slot (31) along base, second T-slot is communicated with the second pilot hole, its sipes is in the below of narrow groove, the second bolt assembly (7) mated with it is provided with in the second T-slot, second bolt assembly is made up of bolt and the nut that spins with it, this nut is positioned at the sipes of the second T-slot.
2. adjustable jack shaft Constrained mode test fixing device according to claim 1, is characterized in that: between U-shaped back-up block (6) and traversing carriage (3) bottom, be provided with pad (4).
3. adjustable jack shaft Constrained mode test fixing device according to claim 1 or 2, it is characterized in that: base (2) offers the 3rd T-slot (22) in the both sides of the one end of installing traversing carriage (3), its sipes is in the below of narrow groove, traversing carriage is connected with base with the 3rd bolt assembly (5) by the 3rd T-slot, 3rd bolt assembly is made up of bolt and the nut that spins with it, and this nut is positioned at the sipes of the 3rd T-slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373370.XA CN104191389B (en) | 2014-07-31 | 2014-07-31 | Adjustable jack shaft Constrained mode test fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410373370.XA CN104191389B (en) | 2014-07-31 | 2014-07-31 | Adjustable jack shaft Constrained mode test fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191389A CN104191389A (en) | 2014-12-10 |
| CN104191389B true CN104191389B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410373370.XA Active CN104191389B (en) | 2014-07-31 | 2014-07-31 | Adjustable jack shaft Constrained mode test fixing device |
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| CN (1) | CN104191389B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840861A (en) * | 2017-01-13 | 2017-06-13 | 绍兴文理学院 | Dynamic rock mechanics tests various sizes of sample positioning device |
| CN207300549U (en) * | 2017-06-23 | 2018-05-01 | 深圳市大疆创新科技有限公司 | Clamping device and the test equipment with the clamping device |
| CN110672309B (en) * | 2019-08-21 | 2021-07-02 | 中车长江车辆有限公司 | Single-rail elevated box-shaped rail steel beam detection platform and detection device used by same |
| CN112067290B (en) * | 2020-08-28 | 2022-10-25 | 奇瑞新能源汽车股份有限公司 | New energy electric vehicle driving shaft vibration testing device, system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE20208483U1 (en) * | 2002-06-01 | 2002-09-12 | Muendener Gummiwerk Gmbh | Device for simulating the installation situation of hoses in vehicles, in particular turbocharger or cooling water hoses in the engine compartment of a vehicle |
| KR100736789B1 (en) * | 2006-05-12 | 2007-07-09 | 현대자동차주식회사 | Door fixing jig for car |
| CN102889983B (en) * | 2012-09-28 | 2014-11-26 | 吉林大学 | Machine tool spindle reliability test bed based on mixed loading of electro-hydraulic servo and dynamometer |
| CN103884501B (en) * | 2014-04-04 | 2016-09-14 | 华北电力大学（保定） | A kind of Multifunctional rotor laboratory table |
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|---|---|
| CN104191389A (en) | 2014-12-10 |
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Effective date of registration: 20181129 Address after: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee after: Hefei Changan Automobile Co., Ltd. Patentee after: Chongqing Changan Automobile Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee before: Chongqing Changan Automobile Co., Ltd. |
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| TR01 | Transfer of patent right |