CN105675286A - Stabilizer bar bush torsion endurance test device - Google Patents
Stabilizer bar bush torsion endurance test device Download PDFInfo
- Publication number
- CN105675286A CN105675286A CN201610182216.3A CN201610182216A CN105675286A CN 105675286 A CN105675286 A CN 105675286A CN 201610182216 A CN201610182216 A CN 201610182216A CN 105675286 A CN105675286 A CN 105675286A
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- Prior art keywords
- center
- stabilizer bar
- main body
- test device
- bush
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vehicle Body Suspensions (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a stabilizer bar bush torsion endurance test device, which mainly comprises a device main body, a loading and bush center fixing device, a bush outer pressing mechanism and a hydraulic cylinder device, wherein the device main body comprises a device upper plate and a vertical support at the lower end of the device upper plate; the device upper plate is provided with U-shaped sliding grooves and a plurality of lightening holes; the loading and bush center fixing device comprises a center mounting shaft and a rotation adjustment mechanism above the center mounting shaft; the center mounting shaft comprises a bush center mounting shaft upper body and a bush center mounting shaft lower body; a swing rod is connected with the hydraulic cylinder device; a height adjustment main body box is connected with the bush center mounting shaft upper body via a vertical fixing support; the bush outer pressing mechanism comprises pressing plates symmetrically distributed at the left side and the right side of the center mounting shaft; and each pressing plate comprises a horizontal part and an arc-shaped part. The device provided by the invention can be applied to bush structures with different sizes, the universality is high, and the precision is high.
Description
Technical field
The invention belongs to auto parts and components field tests, specifically, be a kind of stabilizer bar bushing endurance torsion test device.
Background technology
In automotive field, the application of lining is seen everywhere, main cause be people to automobile energy-conservation, environmental protection, comfortable, the requirement of the aspects such as reliability is more and more higher, the hinge being connected with subframe such as stabiliser bar in suspension systems adopts rubber bushing connected mode, rubber bushing anti-vibration performance is better, there is the advantage such as elastic characteristic and attenuation characteristic, have become as requisite critical elements on automobile, its main feature is to have in shape to select space more freely, there is anisotropic feature, can axially, radially, reverse and three directions select different rigidity values, can sulfide with metal structure, simplify structure that is fixing and that support, its elastic modelling quantity is relatively low, bigger elastic deformation can be produced. its main Types can be divided into simple lining, flange lining, rolls lining, hollows out lining, rotary liner, spherical bushing etc.
In automotive field, stabiliser bar is also requisite a kind of auxiliary body, and stabiliser bar is the important safety part of Motor Vehicle Independent Suspension System, can improve the stability of operation at automobile turning or when meeting obstructions, it is ensured that comfortableness and driving safety. In order to improve ride of vehicle, the vertical stiffness of suspension is typically designed relatively low, causes that the lateral stability of automobile is deteriorated, and stabiliser bar can provide certain torsional deflection to increase the roll stiffness of suspension, thus improving the lateral stability of suspension.
Stabiliser bar is made up of spring steel, u-shaped horizontal is suspended in automotive front end or rear end. shaft two ends are bearing on vehicle frame by sleeve, and shaft can rotate in sleeve, form rocker bar bearing. the main stress of stabilizer bar bushing is exactly axial-rotation thus, lining is owing to having hyperelastic structure, also it is a difficult point in CAE simulates, so the method mainly investigating lining endurance quality is exactly long duration test, how lining being carried out long duration test is a direction being worth research, particularly at lining initial stage of development, do not have stabilizator rod structure cannot do system test together, need simple by one, the device that precision is high completes durability experiment test, and the assay device of the direction is also fewer at present, a kind of stabiliser bar endurance torsion test device meaning of exploitation is bigger in sum.
Summary of the invention
In order to solve the defect that above-mentioned prior art exists, the present invention provides a kind of stabilizer bar bushing endurance torsion test device, is fixed on assay device by stabilizer bar bushing according to confined state, completely simulation real vehicle assembling form, precision height operation facility.
In order to achieve the above object, the technological means that the present invention adopts is: a kind of stabilizer bar bushing endurance torsion test device, including the fixing device in apparatus main body, loading and lining center and bushing outer hold-down mechanism;
Described apparatus main body includes device upper plate and the vertical rack of device upper plate lower end, and described device upper plate is provided with U-shaped chute and several lightening holes;
The fixing device of described loading and lining center includes center and installs the rotation regulating mechanism of axle and top thereof, described center is installed axle and is included installation axle upper body, lining center and lining center installation axle lower body, described rotation regulating mechanism includes altitude mixture control main body box and is positioned at the rotating gear of altitude mixture control main body box, fork and swing pinion, described fork is meshed with rotating gear, swing pinion respectively, described fork is connected with hydraulic cylinder device by connecting support, and described altitude mixture control main body box is installed axle upper body by vertical fixed support with lining center and is connected;
Described bushing outer hold-down mechanism includes the center that is symmetrically distributed in and installs the pressing plate of the axle left and right sides, and described pressing plate includes horizontal part and curved portions.
Further, described U-shaped chute left and right on device upper plate is symmetrical, and the side, front and back of any one described U-shaped chute is equipped with lightening hole.
Further, the center of described device upper plate is provided with lightening hole.
Further, described vertical rack is positioned at four turnings of device upper plate lower surface, and described vertical rack bottom is provided with fixed installation dish, and described fixed installation dish is provided with installing hole.
Further, described connection support is positioned at fork top, and described connection support is provided with connecting bolt.
Further, described center is installed axle and is provided with clamping screw and variable diameters adjusting bolt.
Further, described altitude mixture control main body box side is provided with rotary handle.
Further, the take-off lever of described hydraulic cylinder device is hinged with being connected support.
Further, described altitude mixture control main body box is provided with locked bolt.
Further, described pressing plate horizontal part is provided with chute, is provided with fixing bolt in described chute, and the curved portions of two described pressing plates is relatively domed.
The beneficial effects of the present invention is:
1. durability test apparatus provided by the invention installs the diameter of axle for lining center, the size of bushing outer hold-down mechanism all can be adjusted, and versatility is stronger.
2. the present invention designs a Height Adjustable mechanism, is transmitted by gear, it is achieved fork has moved up and down regulatory function, have also been devised a rotary handle, operation facility especially, also improves versatility further.
3. the lining installation form of the present invention simulates practical set state completely, and employing center is installed axle and fixed, external analog stabiliser bar connection mounting structure, and devises U-lag structure, namely can regulate and also well ensure that precision.
Accompanying drawing explanation
Fig. 1 be the present invention totally assemble structural representation;
Fig. 2 is the structural representation of apparatus of the present invention main body;
Fig. 3 is that the present invention loads and the structural representation of the fixing device in lining center;
Fig. 4 is the structural representation of bushing outer hold-down mechanism of the present invention;
Fig. 5 is the front view of assay device of the present invention;
Fig. 6 is the left view of assay device of the present invention;
Fig. 7 is the top view of assay device of the present invention;
In figure, apparatus main body 101; Load and the fixing device 102 in lining center; Bushing outer hold-down mechanism 103; Hydraulic cylinder device 104; Device upper plate 1; U-shaped chute 1a; Lightening hole 1b; Vertical rack 2; Fixed installation dish 2a; Installing hole 2b; Axle upper body 3 is installed at lining center; Clamping screw 3a; Variable diameters adjusting bolt 3b; Axle lower body 4 is installed at lining center; Altitude mixture control main body box 5; Rotating gear 5a; Fork 5b; Swing pinion 5c; Rotary handle 5d; Vertical fixed support 5f; Connect support 6; Connecting bolt 6a; Pressing plate 7; Chute 7a; Fixing bolt 7b.
Illustrating to be further described in detail with the detailed description of the invention structure to the present invention and principle below in conjunction with accompanying drawing, the left, right, front and rear in this specification all keep consistent with the direction in accompanying drawing.
Detailed description of the invention
As shown in Figure 1, structural representation for the overall assembling of the present invention, mainly include apparatus main body 101, load and the fixing device 102 in lining center, bushing outer hold-down mechanism 103 and hydraulic cylinder device 104, described apparatus main body 101 includes device upper plate 1 and is positioned at the vertical rack 2 of four corners of device upper plate 1 lower surface, vertical rack 2 plays the effect of support, the bottom of vertical rack 2 is provided with fixed installation dish 2a, and fixed installation dish 2a is provided with installing hole 2b, it is simple to install, device upper plate 1 is provided with two U-shaped chute 1a and several lightening holes 1b, two described U-shaped chute 1a are symmetrical to be distributed on device upper plate 1, and the side, front and back of any one described U-shaped chute 1a is equipped with lightening hole 1b, the center of described device upper plate 1 also is provided with lightening hole 1b, and the quantity of lightening hole and position can according to using needs to be configured, the fixing device 102 of described loading and lining center includes center and installs the rotation regulating mechanism above axle and center installation axle, wherein, center is installed axle and is included installation axle upper body 3, lining center opposing upper and lower and lining center installation axle lower body 4, described center is installed axle and is provided with clamping screw 3a and variable diameters adjusting bolt 3b, described rotation regulating mechanism includes being centrally located the altitude mixture control box 5 installed above axle, it is positioned at the rotating gear 5a of altitude mixture control box 5, fork 5b, swing pinion 5c, altitude mixture control box 5 is installed axle upper body 3 by vertical fixed support 5f with lining center and is connected, described rotating gear 5a is meshed with fork 5b, fork 5b is meshed with swing pinion 5c, the outside of altitude mixture control box 5 is additionally provided with rotating handles 5d, by rotating handles 5d, gear is rotated, fork 5b can be adjusted move up and down suitable position, altitude mixture control main body box 5 is additionally provided with locked bolt, it is used for fixing rotation regulating mechanism, fork 5b is connected with hydraulic cylinder device 104 by being positioned at the connection support 6 on its top, connects support 6 and is provided with connecting bolt 6a, and the take-off lever of hydraulic cylinder device 104 is hinged with being connected support 6, the axle left and right sides is installed at described center and is provided with bushing outer hold-down mechanism 103, described bushing outer hold-down mechanism 103 includes the center that is symmetrically distributed in and installs two pressing plates 7 of the axle left and right sides, described pressing plate 7 all comprises horizontal part and curved portions, the horizontal part of described pressing plate 7 all offers chute 7a, the curved portions of two described pressing plates 7 relative to time domed.
Stabilizer bar bushing endurance torsion test device provided by the invention, stabilizer bar bushing is fixed on assay device according to confined state, simulation real vehicle assembling form completely, the higher operation facility of precision, carrying out endurance quality experimental test by the whole test of Driven by Hydraulic Cylinder, rotated by gear simultaneously and adjust structure height, variable diameters adjusting bolt adjusts center and installs the diameter of axle, versatility is good, it is possible to be suitable for various sizes of bush structure.
The practical work process of the present invention is as follows: first passes through variable diameters adjusting bolt and center is installed the diameter of axle is transferred to minimum state, the center that is put in by lining is installed on axle, now adjust variable diameters adjusting bolt and diameter is adjusted suitable dimension, namely lining has been fixed, urgent up and down by clamping screw;Adjust bushing outer hold-down mechanism, by U-shaped chute, pressing plate is adjusted to suitable position, lining is compressed, and tighten fixed bit by fixing bolt; Said process shakes rotary handle after completing, fork is driven to move up and down to suitable position by swing pinion, again through locked bolt, rotation regulating mechanism is fixed, now, connect hydraulic cylinder device, set the loading position of hydraulic cylinder or the force value of loading, drive hydraulic cylinder, hydraulic cylinder drives lining to reverse by fork, test starts with regard to this, has been repeatedly performed torsion test process, and the concrete displacement force value of hydraulic cylinder does not repeat them here, there is different standards in different companies, reference during use.
Schematically the present invention and embodiment thereof being described above, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto. So, if those of ordinary skill in the art is enlightened by it, when without departing from the invention objective, design the frame mode similar to this technical scheme and embodiment without creationary, protection scope of the present invention all should be belonged to.
Claims (10)
1. a stabilizer bar bushing endurance torsion test device, it is characterised in that: include the fixing device (102) in apparatus main body (101), loading and lining center and bushing outer hold-down mechanism (103);
Described apparatus main body (101) includes the vertical rack (2) of device upper plate (1) and device upper plate lower end, and described device upper plate (1) is provided with U-shaped chute (1a) and several lightening holes (1b);
The fixing device (102) of described loading and lining center includes center and installs the rotation regulating mechanism of axle and top thereof, described center is installed axle and is included lining center installation axle upper body (3) and lining center installation axle lower body (4), described rotation regulating mechanism includes altitude mixture control main body box (5) and is positioned at the rotating gear (5a) of altitude mixture control main body box (5), fork (5b) and swing pinion (5c), described fork (5b) respectively with rotating gear (5a), swing pinion (5c) is meshed, described fork (5b) is connected with hydraulic cylinder device (104) by connecting support (6), described altitude mixture control main body box (5) is installed axle upper body (3) by vertical fixed support (5f) with lining center and is connected,
Described bushing outer hold-down mechanism (103) includes the center that is symmetrically distributed in and installs the pressing plate (7) of the axle left and right sides, and described pressing plate (7) includes horizontal part and curved portions.
2. a kind of stabilizer bar bushing endurance torsion test device according to claim 1, it is characterized in that: described U-shaped chute (1a) is symmetrical in the upper left and right of device upper plate (1), and the side, front and back of any one described U-shaped chute (1a) is equipped with lightening hole (1b).
3. a kind of stabilizer bar bushing endurance torsion test device according to claim 1, it is characterised in that: the center of described device upper plate (1) is provided with lightening hole (1b).
4. a kind of stabilizer bar bushing endurance torsion test device according to claim 1, it is characterized in that: described vertical rack (2) is positioned at four turnings of device upper plate (1) lower surface, described vertical rack (2) bottom is provided with fixed installation dish (2a), and described fixed installation dish is provided with installing hole (2b).
5. a kind of stabilizer bar bushing endurance torsion test device according to claim 1, it is characterized in that: described connection support (6) is positioned at fork (5b) top, and described connection support (6) is provided with connecting bolt (6a).
6. a kind of stabilizer bar bushing endurance torsion test device according to claim 1, it is characterised in that: described center is installed axle and is provided with clamping screw (3a) and variable diameters adjusting bolt (3b).
7. a kind of stabilizer bar bushing endurance torsion test device according to claim 1, it is characterised in that: described altitude mixture control main body box (5) side is provided with rotary handle (5d).
8. a kind of stabilizer bar bushing endurance torsion test device according to claim 1, it is characterised in that: described altitude mixture control main body box (5) is provided with locked bolt.
9. a kind of stabilizer bar bushing endurance torsion test device according to claim 1, it is characterised in that: the take-off lever of described hydraulic cylinder device (104) be connected support (6) for hinged.
10. a kind of stabilizer bar bushing endurance torsion test device according to claim 1, it is characterized in that: described pressing plate (7) horizontal part is provided with chute (7a), being provided with fixing bolt (7b) in described chute (7a), the curved portions of two described pressing plates is relatively domed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182216.3A CN105675286B (en) | 2016-03-24 | 2016-03-24 | A kind of stabilizer bar bushing endurance torsion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182216.3A CN105675286B (en) | 2016-03-24 | 2016-03-24 | A kind of stabilizer bar bushing endurance torsion test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105675286A true CN105675286A (en) | 2016-06-15 |
| CN105675286B CN105675286B (en) | 2018-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610182216.3A Expired - Fee Related CN105675286B (en) | 2016-03-24 | 2016-03-24 | A kind of stabilizer bar bushing endurance torsion test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105675286B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855888A (en) * | 2018-12-14 | 2019-06-07 | 浙江零跑科技有限公司 | A kind of torsion beam durability test apparatus and the test method using the device |
| CN113798818A (en) * | 2021-09-28 | 2021-12-17 | 南昌新宝路航空科技有限公司 | Automatic assembly control system for aviation accessory bushing |
| CN114674537A (en) * | 2022-03-14 | 2022-06-28 | 梅州广汽汽车弹簧有限公司 | Stabilizer bar fatigue test equipment with positioning function |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS491577B1 (en) * | 1968-08-21 | 1974-01-14 | ||
| CN201177556Y (en) * | 2008-04-08 | 2009-01-07 | 株洲时代新材料科技股份有限公司 | Lining torsion test clamping device |
| CN101482447A (en) * | 2008-12-31 | 2009-07-15 | 奇瑞汽车股份有限公司 | Rubber bushing torsion test apparatus |
| JP2011153868A (en) * | 2010-01-26 | 2011-08-11 | Kurashiki Kako Co Ltd | Jig for equipment for testing characteristics of rubber bush |
| CN102359873A (en) * | 2011-09-09 | 2012-02-22 | 奇瑞汽车股份有限公司 | Rigidity measuring clamp for automobile rubber bush |
| JP4901577B2 (en) * | 2007-05-17 | 2012-03-21 | 倉敷化工株式会社 | Rubber bushing characteristic test equipment jig |
| CN102607827A (en) * | 2012-02-21 | 2012-07-25 | 奇瑞汽车股份有限公司 | Clamping device for stiffness testing of rubber bushing |
| CN204649406U (en) * | 2015-05-12 | 2015-09-16 | 北京汽车研究总院有限公司 | A kind of frock for detecting rubber bushing rigidity |
| CN205449481U (en) * | 2016-03-24 | 2016-08-10 | 安徽机电职业技术学院 | Stabilizer bar bush twists reverse endurance test device |
-
2016
- 2016-03-24 CN CN201610182216.3A patent/CN105675286B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS491577B1 (en) * | 1968-08-21 | 1974-01-14 | ||
| JP4901577B2 (en) * | 2007-05-17 | 2012-03-21 | 倉敷化工株式会社 | Rubber bushing characteristic test equipment jig |
| CN201177556Y (en) * | 2008-04-08 | 2009-01-07 | 株洲时代新材料科技股份有限公司 | Lining torsion test clamping device |
| CN101482447A (en) * | 2008-12-31 | 2009-07-15 | 奇瑞汽车股份有限公司 | Rubber bushing torsion test apparatus |
| JP2011153868A (en) * | 2010-01-26 | 2011-08-11 | Kurashiki Kako Co Ltd | Jig for equipment for testing characteristics of rubber bush |
| CN102359873A (en) * | 2011-09-09 | 2012-02-22 | 奇瑞汽车股份有限公司 | Rigidity measuring clamp for automobile rubber bush |
| CN102607827A (en) * | 2012-02-21 | 2012-07-25 | 奇瑞汽车股份有限公司 | Clamping device for stiffness testing of rubber bushing |
| CN204649406U (en) * | 2015-05-12 | 2015-09-16 | 北京汽车研究总院有限公司 | A kind of frock for detecting rubber bushing rigidity |
| CN205449481U (en) * | 2016-03-24 | 2016-08-10 | 安徽机电职业技术学院 | Stabilizer bar bush twists reverse endurance test device |
Non-Patent Citations (1)
| Title |
|---|
| 单红艳: "乘用车横向稳定杆橡胶衬套的研究", 《机械设计与制造》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855888A (en) * | 2018-12-14 | 2019-06-07 | 浙江零跑科技有限公司 | A kind of torsion beam durability test apparatus and the test method using the device |
| CN113798818A (en) * | 2021-09-28 | 2021-12-17 | 南昌新宝路航空科技有限公司 | Automatic assembly control system for aviation accessory bushing |
| CN114674537A (en) * | 2022-03-14 | 2022-06-28 | 梅州广汽汽车弹簧有限公司 | Stabilizer bar fatigue test equipment with positioning function |
| CN114674537B (en) * | 2022-03-14 | 2023-10-13 | 梅州广汽汽车弹簧有限公司 | Stabilizer bar fatigue test equipment with positioning function |
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| CN105675286B (en) | 2018-01-23 |
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Inventor after: Zhang Guozheng Inventor after: Zhu Ziqian Inventor after: Ni Jinting Inventor after: Huang Qi Inventor after: Sun Kangquan Inventor before: Ni Jinting Inventor before: Zhang Guozheng Inventor before: He Xiaofeng Inventor before: Qian Pengfei Inventor before: Wang Xiaojing |
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