CN104191389A - Adjustable fixing device for constraint modal testing of driving half axles - Google Patents
Adjustable fixing device for constraint modal testing of driving half axles Download PDFInfo
- Publication number
- CN104191389A CN104191389A CN201410373370.XA CN201410373370A CN104191389A CN 104191389 A CN104191389 A CN 104191389A CN 201410373370 A CN201410373370 A CN 201410373370A CN 104191389 A CN104191389 A CN 104191389A
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- CN
- China
- Prior art keywords
- shaped groove
- base
- traversing carriage
- fixing device
- sipes
- 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.)
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Classifications
-
- 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
Abstract
The invention discloses an adjustable fixing device for constraint modal testing of driving half axles. The adjustable fixing device comprises a base, a fixed support and a movable support. The fixed support is fixed to one end of the base through bolts. The movable support is arranged at the other end of the base and can be in slide fit with the base. The fixed support and the movable support are provided with assembling holes where the driving half axles are installed. The driving half axle of different types can be positioned through bolt assemblies arranged on the fixed support and bolt assemblies arranged on the movable support. By means of the fixing device, the driving half axles with different lengths, different radiuses and different installation angles can be reliably fixed, and therefore the states of the driving half axles on a whole vehicle can be simulated, modal testing can be conducted on the driving half axles, and the NVH performance of the driving half axles of different types can be evaluated at the earlier stage of the project development.
Description
Technical field
The present invention relates to the fixture of automobile component test, more specifically to the adjustable jack shaft constraint of one mode test fixing device.
Background technology
Along with the development of automotive engineering, people require more and more higher to automobile noise level, and Automobile drive semiaxis resonance, as the thunder one of the main reasons of noise of generation, has important impact to in-vehicle sound quality.Can draw according to test in the past, in the time that vehicle is installed the higher jack shaft of mode, its internal car noise is obviously better than the jack shaft that mode is low; , in to various noise rating process, find, the jack shaft mode of the more excellent vehicle of noise level is generally higher meanwhile, can find out thus the impact that jack shaft mode is important on NVH performance.But at present except on car load, jack shaft being carried out mode test, there is no the special purpose device that monomer whose is retrained to mode test, cause at project development in earlier stage, while there is no heterozygosis car or fixture vehicle, carrying out Performance Evaluation to jack shaft tool part.
Summary of the invention
The object of this invention is to provide a kind of adjustable jack shaft constraint mode test fixing device, can reliably fix the jack shaft of different length, different radii, different setting angles, state with analog-driven semiaxis on car load also carries out the test of mode to it, thereby can evaluate the NVH performance of different model jack shaft early stage at project development.
Adjustable jack shaft constraint mode test fixing device of the present invention, comprises base, fixed support and traversing carriage, and 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 along base the first pilot hole that cross section takes the shape of the letter U, longitudinally offer the first T-shaped groove at support bracket fastened top along base, the first T-shaped groove is communicated with the first pilot hole, its sipes is below narrow groove, in the first T-shaped groove, be provided with the first bolt assembly mating with it, the nut that the first bolt assembly spins by bolt with it forms, and this nut is positioned at the sipes of the first T-shaped groove.
The middle part of described traversing carriage connects along base vertical and horizontal, at inner the second pilot hole connecting in length and breadth that forms of traversing carriage, in the second pilot hole, be provided with top longitudinally offers U-lag U-shaped back-up block along base, the top of traversing carriage longitudinally offers the second T-shaped groove along base, the second T-shaped groove is communicated with the second pilot hole, its sipes is below narrow groove, in the second T-shaped groove, be provided with the second bolt assembly mating with it, the nut that the second bolt assembly spins by bolt with it forms, and this nut is positioned at the sipes of the second T-shaped groove.
Further, between U-shaped back-up block and traversing carriage bottom, be provided with pad, can be by the quantity of increase and decrease pad, be used for the different setting angles of jack shaft to adjust.
Further, base offers the 3rd T-shaped groove in the both sides of one end that traversing carriage is installed, its sipes is below narrow groove, traversing carriage is connected with base with the 3rd bolt assembly by the 3rd T-shaped groove, the nut that the 3rd bolt assembly spins by bolt with it forms, and this nut is positioned at the sipes of the 3rd T-shaped groove.
Adjustable jack shaft constraint mode test fixing device of the present invention, owing to thering is said structure, by the variation of position between fixed support and traversing carriage, and increase and decrease to pad between U-shaped back-up block and traversing carriage bottom, can reliably fix the jack shaft of different length, different radii, different setting angles, and simple to operate, saving of work and time, has realized the NVH performance of assessing different model jack shaft at project development early stage.
Brief description of the drawings
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 further to explain technical scheme of the present invention, below in conjunction with accompanying drawing, the present invention will be described in detail.
Referring to Fig. 1 to Fig. 6, this adjustable jack shaft constraint 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 along base the first pilot hole 13 that cross section takes the shape of the letter U, top at fixed support 1 longitudinally offers the first T-shaped groove 11 along base, the first T-shaped groove 11 is communicated with the first pilot hole 13, its sipes is below narrow groove, in the first T-shaped groove 11, be provided with the first bolt assembly 9 mating with it, the nut that the first bolt assembly 9 spins by bolt with it forms, and this nut is positioned at the sipes of the first T-shaped groove 11.
Offer the 3rd T-shaped groove 22 in the both sides of the other end of base 2, its sipes is below narrow groove, traversing carriage 2 is connected with base 2 with the 3rd bolt assembly 5 by the 3rd T-shaped groove 22, the nut that the 3rd bolt assembly 5 spins by bolt with it forms, this nut is positioned at the sipes of the 3rd T-shaped groove 22, and traversing carriage 3 can be vertically moved along base.The middle part of traversing carriage 3 connects along base vertical and horizontal, at inner the second pilot hole 33 connecting in length and breadth that forms of traversing carriage, in the second pilot hole 33, be provided with top longitudinally offers U-lag 61 U-shaped back-up block 6 along base, between U-shaped back-up block 6 and traversing carriage 3 bottoms, be provided with some pads 4, 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-shaped groove 31 along base, the second T-shaped groove 31 is communicated with the second pilot hole 33, its sipes is below narrow groove, in the second T-shaped groove 31, be provided with the second bolt assembly 7 mating with it, the nut that the second bolt assembly 7 spins by bolt with it forms, and this nut is positioned at the sipes of the second T-shaped groove 31.
Shown in Figure 7, when installation, first a universal joint end of jack shaft 10 is arranged in the first pilot hole 13 of fixed support 1 to the first bolt assembly 9 being tightened on support 1, make screw end head place closely be pressed on this universal joint end, realized 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, determine behind the position of another universal joint end of jack shaft, regulate traversing carriage 3 to suitable position, fix the position of traversing carriage 3 by screwing the 3rd bolt assembly 5, next by the quantity of 6 times square washers 4 of the U-shaped back-up block of increase and decrease, traversing carriage 3 and jack shaft other end universal joint position are matched, universal joint end is spacing in the U-shaped 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 constraint 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 along base the first pilot hole (13) that cross section takes the shape of the letter U, longitudinally offer the first T-shaped groove (11) at support bracket fastened top along base, the first T-shaped groove is communicated with the first pilot hole, its sipes is below narrow groove, in the first T-shaped groove, be provided with the first bolt assembly (9) mating with it, the nut that the first bolt assembly spins by bolt with it forms, and this nut is positioned at the sipes of the first T-shaped groove;
The middle part of described traversing carriage (3) connects along base vertical and horizontal, at inner the second pilot hole (33) connecting in length and breadth that forms of traversing carriage, in the second pilot hole, be provided with top longitudinally offers U-lag (61) U-shaped back-up block (6) along base, the top of traversing carriage longitudinally offers the second T-shaped groove (31) along base, the second T-shaped groove is communicated with the second pilot hole, its sipes is below narrow groove, in the second T-shaped groove, be provided with the second bolt assembly (7) mating with it, the nut that the second bolt assembly spins by bolt with it forms, this nut is positioned at the sipes of the second T-shaped groove.
2. adjustable jack shaft retrains mode test fixing device according to claim 1, it is characterized in that: between U-shaped back-up block (6) and traversing carriage (3) bottom, be provided with pad (4).
3. according to adjustable jack shaft constraint mode test fixing device described in claim 1 or 2, it is characterized in that: base (2) offers the 3rd T-shaped groove (22) in the both sides of one end that traversing carriage (3) is installed, its sipes is below narrow groove, traversing carriage is connected with base with the 3rd bolt assembly (5) by the 3rd T-shaped groove, the nut that the 3rd bolt assembly spins by bolt with it forms, and this nut is positioned at the sipes of the 3rd T-shaped groove.
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 true CN104191389A (en) | 2014-12-10 |
| CN104191389B CN104191389B (en) | 2016-02-03 |
Family
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Family Applications (1)
| 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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| Country | Link |
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| CN (1) | CN104191389B (en) |
Cited By (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 |
| CN109922926A (en) * | 2017-06-23 | 2019-06-21 | 深圳市大疆创新科技有限公司 | Clamping device and test equipment with the clamping device |
| CN110672309A (en) * | 2019-08-21 | 2020-01-10 | 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 |
| CN112067290A (en) * | 2020-08-28 | 2020-12-11 | 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1367377A2 (en) * | 2002-06-01 | 2003-12-03 | Mündener Gummiwerk GmbH | Device for simulating the installation of hoses in motor vehicles, in particular turbocharger or cooling water hoses in the motor compartment |
| KR100736789B1 (en) * | 2006-05-12 | 2007-07-09 | 현대자동차주식회사 | Door fixing jig for car |
| CN102889983A (en) * | 2012-09-28 | 2013-01-23 | 吉林大学 | Machine tool spindle reliability test bed based on mixed loading of electro-hydraulic servo and dynamometer |
| CN103884501A (en) * | 2014-04-04 | 2014-06-25 | 华北电力大学（保定） | Multifunctional rotor test bench |
-
2014
- 2014-07-31 CN CN201410373370.XA patent/CN104191389B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1367377A2 (en) * | 2002-06-01 | 2003-12-03 | Mündener Gummiwerk GmbH | Device for simulating the installation of hoses in motor vehicles, in particular turbocharger or cooling water hoses in the motor compartment |
| KR100736789B1 (en) * | 2006-05-12 | 2007-07-09 | 현대자동차주식회사 | Door fixing jig for car |
| CN102889983A (en) * | 2012-09-28 | 2013-01-23 | 吉林大学 | Machine tool spindle reliability test bed based on mixed loading of electro-hydraulic servo and dynamometer |
| CN103884501A (en) * | 2014-04-04 | 2014-06-25 | 华北电力大学（保定） | Multifunctional rotor test bench |
Cited By (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 |
| CN109922926A (en) * | 2017-06-23 | 2019-06-21 | 深圳市大疆创新科技有限公司 | Clamping device and test equipment with the clamping device |
| CN110672309A (en) * | 2019-08-21 | 2020-01-10 | 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 |
| CN112067290A (en) * | 2020-08-28 | 2020-12-11 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104191389B (en) | 2016-02-03 |
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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. |