CN203163969U - Torsion fatigue testing apparatus of rubber bushing - Google Patents
Torsion fatigue testing apparatus of rubber bushing Download PDFInfo
- Publication number
- CN203163969U CN203163969U CN 201320086808 CN201320086808U CN203163969U CN 203163969 U CN203163969 U CN 203163969U CN 201320086808 CN201320086808 CN 201320086808 CN 201320086808 U CN201320086808 U CN 201320086808U CN 203163969 U CN203163969 U CN 203163969U
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- support
- rubber bushing
- testpieces
- backstay
- fatigue test
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Abstract
The utility model relates to a tool for a fatigue test, particularly to a torsion fatigue testing apparatus of a rubber bushing. The apparatus has a symmetric structure at least comprising a base plate, four pull bars, two sleeves, four gears and a tooth bar support. Four pull bar supports are fixedly connected to the base plate; and the four pull bars are connected with the base plate by the four pull bar supports. Rolling bearings are coated and sleeved on all the pull bars; one positioning rod is installed at the centers of holes of each two rolling bearings at the same side; the middle portions of the positioning rods pass through mesopores of test pieces and the two ends of the positioning rods are respectively extended out of the pull bars. The two sleeves respectively coat the outsides of the two test pieces; and the two ends of the sleeves are respectively, directly and fixedly connected with the base plate by support arms. The four gears are respectively sleeved the positioning rods arranged between he pull bars and the test pieces. And the two sides of tooth bar arms of the tooth bar support are respectively provided with bar-shaped teeth engaged with the gears at the same end. According to the utility model, with utilization of the apparatus, the torsion fatigue testing of a rubber bushing can be realized. Moreover, the provided apparatus has the advantages of simple structure, low cost, stable and reliable running, simple and convenient testing operation, and long service life.
Description
Technical field
The utility model relates to a kind of torture test frock, especially a kind of rubber bushing torsional fatigue test device.
Background technology
Rubber bushing is a kind of assistant spring element in the automotive suspension, and the twisting force that rubber bushing regular meeting is varied in size in actual working state is along with fatigure failure can appear in some position of increase of stressed number of times.The lining parts extensively adopt elastomeric material in the automobile industry at present, and the rubber bushing fixed sturcture of this structure is simple, low price.In the rubber bushing real work, tend to occur radially rotating and endwisely slipping, radially rotate and then can bring friction to rubber bushing, therefore rubber bushing needs its performance is carried out many-sided test in development or before dispatching from the factory, especially torsional fatigue test, simulate torsion of all sizes and be applied on the rubber bushing, drive test with torsional mode.
At present, the torsional fatigue test that rubber carries out, normally utilize the hydraulic torsional oil cylinder to load, because the hydraulic torsional oil cylinder is to drive with high pressure fuel source to reverse realization to the loading of reversing of sample, the simulation of test is better, but its device structure is comparatively complicated, and relative cost is higher, therefore necessary this is improved.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of and realize rubber bushing torsional fatigue test and rubber bushing torsional fatigue test device simple in structure.
The technical scheme that the utility model solves the problems of the technologies described above is: a kind of rubber bushing torsional fatigue test device, and this device comprises chassis, backstay, sleeve, gear, tooth bar support; Be fixedly connected with at least two rob supports on the described chassis respectively, rolling bearing all is installed on each rob support; Described backstay two ends are installed in respectively on this rolling bearing, and the mesopore of testpieces is passed at the middle part of backstay, and fixedlys connected with testpieces by key; Described sleeve is wrapped in outside the testpieces, directly fixedlys connected with the chassis by sway brace respectively in the two ends of sleeve; Described gear has two at least, is socketed on the backstay between rolling bearing and the testpieces end face by key respectively; Described tooth bar support comprises a longeron, is positioned at two rack arm at longeron two ends, and a side of each rack arm is respectively equipped with the bar shaped tooth that is meshed with the end tooth wheel with homonymy.
Further technical scheme of the present utility model is: described rob support comprises that the bottom is fixedly connected on support on the chassis, is positioned at the pull bar of support top, described rolling bearing is installed in the described pull bar, and the bottom of this pull bar is connected on the support by nut.
Further technical scheme more of the present utility model is: also be provided with external thread on the described backstay and be set with the gear pad, backstay is connected with the nut that gear, gear pad can be close to the testpieces end face by this external thread.
Further technical scheme of the present utility model is: described rubber bushing torsional fatigue test device is for to prop up the symmetrical structure that is configured to by a chassis, two backstays, two sleeves, four gears, a tooth bar; Described rob support has four; Two rack arm opposite sides of described tooth bar support also are respectively equipped with the bar shaped tooth that is meshed with the end tooth wheel with opposite side.
Of the present utility model more further technical scheme be: described four rob supports include the pull bar that the bottom is fixedly connected on support on the chassis, is positioned at the support top, described rolling bearing is installed in the described pull bar, and the bottom of this pull bar is connected on the support by nut.
Further technical scheme of the present utility model is: also be provided with external thread on described two backstays and be set with the gear pad, each backstay is connected with the nut that gear, gear pad can be close to the testpieces end face by this external thread.
Because adopt said structure, the rubber bushing torsional fatigue test device of the utility model compared with prior art has following beneficial effect:
1. can realize rubber bushing is carried out torsional fatigue test:
Because the utility model comprises chassis, backstay, sleeve, gear, tooth bar support; Wherein be fixedly connected with at least two rob supports on the chassis respectively, rolling bearing all is installed on each rob support; The backstay two ends are installed in respectively on this rolling bearing, and the mesopore of testpieces is passed at the middle part of backstay, and fixedlys connected with testpieces by key; Sleeve is wrapped in outside the testpieces, directly fixedlys connected with the chassis by sway brace respectively in the two ends of sleeve; Described gear is enclosed within respectively on the backstay between rolling bearing and the testpieces end face; Described tooth bar support comprises a longeron, is positioned at two rack arm at longeron two ends, and a side of each rack arm is respectively equipped with the bar shaped tooth that is meshed with the end tooth wheel with homonymy.When testing machine applies vertical load to the tooth bar support, two rack arm (being toggle) driven gear of tooth bar support rotates, and then the motoring ring test part is reversing to being loaded, thereby can realize the rubber bushing torsional fatigue test, reflect the true fatigue behaviour that testpieces has.
Simple in structure, cost is low:
Because each parts of the present utility model and mechanism all are integrated in the same test fixture, need not complicated testing equipment side direction applied load device, the dynamic fatigue test that can roughly the same require at the conventional test machine, therefore, of the present utility model relatively simple for structure, cost is lower.
3. high efficiency:
Because this device not only can be used for 1 testpieces of test, can also be used for the testpieces of test more than 2 or 2 simultaneously, its work efficiency is higher.
4. the utility model can carry out torture test to rubber bushing, truly reflects the torsional fatigue carrying situation of testpieces, its reasonable in design, compactness, operate steadily reliable, easy, the long service life of test operation.
Below, the technical characterictic to the rubber bushing torsional fatigue test device of the utility model is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings
Fig. 1～Fig. 2: the structural representation of the rubber bushing torsional fatigue test device of the utility model,
Fig. 1: front view; The vertical view of Fig. 2: Fig. 1 (left side part is for analysing and observe state).
In above-mentioned accompanying drawing, each label is as follows:
The 1-chassis, the 2-backstay, the 3-sleeve, the 4-gear, 5-tooth bar support,
The 501-longeron, the 502-rack arm, the 6-rob support, the 601-pull bar, the 602-support,
The 7-sway brace, the 8-nut, the 9-rolling bearing, the 10-testpieces, 11-gear pad,
The 12-nut.
Embodiment
Embodiment one:
Disclosed a kind of rubber bushing torsional fatigue test device among Fig. 1～Fig. 2, this device is used for two duplicate testpieces are carried out torsional fatigue test, and it is by a chassis 1, two backstays 2, two sleeves 3, four gears 4, the symmetrical structure that tooth bar support 5 constitutes; Be fixedly connected with four rob supports 6 on the described chassis 1 respectively, each rob support 6 includes the pull bar 601 that the bottom is fixedly connected on The One On The Chassis support 602, is positioned at support 602 tops, rolling bearing 9 is installed in the pull bar 601, and the bottom of pull bar 601 is connected on the support 602 by nut 8; The two ends of described two backstays 2 are installed in respectively on two rolling bearings 9 of homonymy, the mesopore of testpieces 10 is passed at the middle part of each backstay 2, and fixedly connected with testpieces 10 by key, also be provided with external thread on these two backstays 2 and be set with gear pad 11, each backstay 2 is connected with the nut 12 that gear 4, gear pad 11 can be close to testpieces 10 end faces by this external thread; Described two sleeves 3 are wrapped in respectively outside two testpieces 10, and directly fixedlying connected with chassis 1 by sway brace 7 respectively in the two ends of sleeve 3, both can eliminate side force, also can play guiding and the effect of reducing friction simultaneously; Described four gears 4 are socketed on two backstays 2 between rolling bearing 9 and testpieces 10 end faces by key respectively; Described tooth bar support 5 comprises a longeron 501, is positioned at two rack arm 502 at longeron 501 two ends, and the both sides of each rack arm 502 are respectively equipped with homonymy with the end tooth wheel 4 bar shaped teeth that are meshed.
During work, the displacement that vertical load produces is by the rotation of tooth bar support 5 driven gears, and then motoring ring test part 10, will convert rotatablely moving of testpieces to; When testing machine applies vertical load to tooth bar support 5, two rack arm (being toggle) driven gear deflection of tooth bar support 5, and then the motoring ring test part reversing to being loaded, thus can realize the rubber bushing torsional fatigue test.
As a kind of conversion of present embodiment one, described rubber bushing torsional fatigue test device can not be symmetrical structure also, but single-side structural, namely described backstay 2, sleeve 3 are 1, and gear 4, rob support 6 are 2; The rack arm 502 of tooth bar support 5 an only side is provided with the bar shaped tooth.
Another conversion as present embodiment one, described rubber bushing torsional fatigue test device also can be used for two different testpieces are carried out torsional fatigue test, just two backstays 2, two sleeves 3 are not complete symmetrical structures, but do corresponding structural change along with the structure difference of testpieces.
Claims (6)
1. rubber bushing torsional fatigue test device, it is characterized in that: this device comprises chassis (1), backstay (2), sleeve (3), gear (4), tooth bar support (5); Be fixedly connected with at least two rob supports (6) on the described chassis (1) respectively, rolling bearing (9) all is installed on each rob support (6); Described backstay (2) two ends are installed in respectively on this rolling bearing (9), and the mesopore of testpieces (10) is passed at the middle part of backstay (2), and fixedly connected with testpieces (10) by key; Described sleeve (3) is wrapped in outside the testpieces (10), directly fixedlys connected with chassis (1) by sway brace (7) respectively in the two ends of sleeve (3); Described gear (4) has two at least, is socketed on the backstay (2) that is positioned between rolling bearing (9) and testpieces (10) end face by key respectively; Described tooth bar support (5) comprises a longeron (501), is positioned at two rack arm (502) at longeron (501) two ends, and a side of each rack arm (502) is respectively equipped with the bar shaped tooth that is meshed with end tooth wheel (4) with homonymy.
2. rubber bushing torsional fatigue test device according to claim 1, it is characterized in that: described rob support (6) comprises that the bottom is fixedly connected on support (602) on the chassis (1), is positioned at the pull bar (601) of support (602) top, described rolling bearing (9) is installed in the described pull bar (601), and the bottom of this pull bar (601) is connected on the support (602) by nut (8).
3. rubber bushing torsional fatigue test device according to claim 1 and 2, it is characterized in that: also be provided with external thread on the described backstay (2) and be set with gear pad (11), backstay (2) is connected with the nut (12) that gear (4), gear pad (11) can be close to testpieces (10) end face by this external thread.
4. rubber bushing torsional fatigue test device according to claim 1 is characterized in that: the symmetrical structure of described rubber bushing torsional fatigue test device for being made of a chassis (1), two backstays (2), two sleeves (3), four gears (4), a tooth bar support (5); Described rob support (6) has four; Two rack arm (502) opposite side of described tooth bar support (5) also is respectively equipped with the bar shaped tooth that is meshed with end tooth wheel (4) with opposite side.
5. rubber bushing torsional fatigue test device according to claim 4, it is characterized in that: described four rob supports (6) include the pull bar (601) that the bottom is fixedly connected on support (602) on the chassis (1), is positioned at support (602) top, described rolling bearing (9) is installed in the described pull bar (601), and the bottom of this pull bar (601) is connected on the support (602) by nut (8).
6. according to claim 4 or 5 described rubber bushing torsional fatigue test devices, it is characterized in that: also be provided with external thread on described two backstays (2) and be set with gear pad (11), each backstay (2) is connected with the nut (12) that gear (4), gear pad (11) can be close to testpieces (10) end face by this external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086808 CN203163969U (en) | 2013-02-26 | 2013-02-26 | Torsion fatigue testing apparatus of rubber bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086808 CN203163969U (en) | 2013-02-26 | 2013-02-26 | Torsion fatigue testing apparatus of rubber bushing |
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| Publication Number | Publication Date |
|---|---|
| CN203163969U true CN203163969U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320086808 Expired - Fee Related CN203163969U (en) | 2013-02-26 | 2013-02-26 | Torsion fatigue testing apparatus of rubber bushing |
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| CN (1) | CN203163969U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016049863A1 (en) * | 2014-09-30 | 2016-04-07 | 惠州市吉瑞科技有限公司 | Electronic cigarette thread torsion testing device |
| CN106404569A (en) * | 2016-08-30 | 2017-02-15 | 武汉理工大学 | Simple and torque adjustable torsion fatigue testing apparatus |
| CN108072510A (en) * | 2016-11-10 | 2018-05-25 | 圣戈班高功能塑料(上海)有限公司 | A kind of bushing test device |
| CN109612850A (en) * | 2018-10-15 | 2019-04-12 | 西北工业大学 | Crane torsion test device |
| CN112461520A (en) * | 2020-11-13 | 2021-03-09 | 恒大新能源汽车投资控股集团有限公司 | Torsion test stand |
-
2013
- 2013-02-26 CN CN 201320086808 patent/CN203163969U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016049863A1 (en) * | 2014-09-30 | 2016-04-07 | 惠州市吉瑞科技有限公司 | Electronic cigarette thread torsion testing device |
| CN106404569A (en) * | 2016-08-30 | 2017-02-15 | 武汉理工大学 | Simple and torque adjustable torsion fatigue testing apparatus |
| CN108072510A (en) * | 2016-11-10 | 2018-05-25 | 圣戈班高功能塑料(上海)有限公司 | A kind of bushing test device |
| CN109612850A (en) * | 2018-10-15 | 2019-04-12 | 西北工业大学 | Crane torsion test device |
| CN112461520A (en) * | 2020-11-13 | 2021-03-09 | 恒大新能源汽车投资控股集团有限公司 | Torsion test stand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20200226 |