CN204043910U - A kind of fatigue experimental device of vehicle balance axle - Google Patents
A kind of fatigue experimental device of vehicle balance axle Download PDFInfo
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- CN204043910U CN204043910U CN201420538986.3U CN201420538986U CN204043910U CN 204043910 U CN204043910 U CN 204043910U CN 201420538986 U CN201420538986 U CN 201420538986U CN 204043910 U CN204043910 U CN 204043910U
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- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 238000012360 testing method Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 10
- 238000011161 development Methods 0.000 abstract description 5
- 238000004637 computerized dynamic posturography Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model proposes a kind of fatigue experimental device of vehicle balance axle, comprise bearing support, exemplar mounting clamp and load hanger, bearing support comprises bearing guide rail, actuating arm, linking arm and mount pad, bearing guide rail has arc guide rail structure, and circular arc two ends are connected to linking arm, form mount pad on the top of linking arm, draw actuating arm from mount pad, balancing shaft is tested exemplar and is fixedly installed on mount pad by exemplar mounting clamp, loads hanger rolling and is connected to bearing guide rail.The utility model by loading vertical and rotational load to balancing shaft on stand, when travelling on uneven road surface under simulating vehicle full load condition, the damage of the caused parts such as balancing shaft cone rubber bearing and trunnion base, achieve the torture test of balance shaft assembly on laboratory bench, reduce balance assembly car load and carry experimentation cost, and hidden danger potential in balancing shaft reliability can be solved early stage in vehicle development assembling, improve automobile research assembly qualified rate.
Description
Technical field
The utility model relates to fatigue test technology field, relates to a kind of fatigue experimental device of vehicle balance axle more specifically.
Background technology
Under vehicle full load condition when uneven road surface travels, because Uneven road causes axle tramp, thus causing balancing shaft cone rubber bearing to produce deformation and wearing and tearing, the critical component such as trunnion base also very easily cracks under alterante stress effect simultaneously, causes inefficacy.And balancing shaft is as the important load bearing component of vehicle and drive transfer part, most important to traffic safety, therefore in order to ensure the request for utilization that can meet car load fatigue lifetime of its parts such as cone rubber bearing and trunnion base, need just to carry out assembly Durability Test to balance shaft assembly in the parts development phase, but owing to not having the fatigue rig of balancing shaft at present, therefore the torture test of balancing shaft is mainly carried out under the state of car load assembling, cause experimentation cost higher like this, and cannot remove a hidden danger in the parts development phase, underproof balance shaft assembly is needed again to change in car load assembling, substantially increase experimentation cost and working strength.
Utility model content
The utility model is based on above-mentioned prior art problem, the fatigue experimental device of a kind of vehicle balance axle of proposition of innovation, by loading vertical and rotational load to balancing shaft on laboratory bench, when travelling on uneven road surface under simulating vehicle full load condition, the damage of the caused parts such as balancing shaft cone rubber bearing and trunnion base, achieve the torture test of balance shaft assembly on laboratory bench, reduce balance assembly car load and carry experimentation cost, and hidden danger potential in balancing shaft reliability can be solved early stage in vehicle development assembling, improve the qualification rate of automobile research assembling.
It is as follows that the utility model solves the problems of the technologies described above taked technical scheme:
A kind of fatigue experimental device of vehicle balance axle, comprise bearing support 4, exemplar mounting clamp and loading hanger 5, described bearing support 4 comprises bearing guide rail 9, actuating arm 11, linking arm 12 and mount pad 13, described bearing guide rail 9 has arc guide rail structure, and be connected to described linking arm 12 at the circular arc two ends of bearing guide rail 9, described mount pad 13 is formed on the top of described linking arm 12, described actuating arm 11 is drawn from described mount pad 13, balancing shaft is tested exemplar and is fixedly installed on described mount pad 13 by described exemplar mounting clamp, described loading hanger 5 rolls and is connected to described bearing guide rail 9.
Further according to fatigue experimental device described in the utility model, wherein radially-inwardly be connected with described linking arm 12 at the circular arc two ends of bearing guide rail 9 along circular arc, described linking arm 12 and bearing guide rail 9 form fan structure, the top of two linking arms 12 is connected to form described mount pad 13, described actuating arm 11 is perpendicular with the circular arc bisector of bearing guide rail 9, and offers driving pin-and-hole 10 in the outer end of described actuating arm 11.
Further according to fatigue experimental device described in the utility model, wherein said balancing shaft test exemplar comprises exemplar bearing 6, exemplar revolving part 7 and exemplar bearing pin 8, described exemplar bearing pin 8 is fixed on described exemplar bearing 6, described exemplar revolving part 7 is installed on described exemplar bearing pin 8 and also can rotates around described exemplar bearing pin 8, and described exemplar revolving part 7 is provided with installation pickup groove.
Further according to fatigue experimental device described in the utility model, the wherein said exemplar mounting clamp specifically exemplar revolving part 7 tested by balancing shaft in exemplar is fixedly installed on described mount pad 13, and make the exemplar bearing pin 8 in exemplar revolving part 7 be in the circular arc home position of described bearing guide rail 9, apply vertical load by bearing guide rail 9 to exemplar revolving part 7, apply power by driving pin-and-hole 10 and exemplar revolving part 7 is rotated.
Further according to fatigue experimental device described in the utility model, wherein said exemplar mounting clamp comprises U-bolt 2 and pressing plate 3, the U-shaped bottom surface of described U-bolt 2 embeds in the installation pickup groove of described exemplar revolving part 7, the lower surface rear thread that described pressing plate 3 passes described mount pad 13 is connected to the U-shaped openend of described U-bolt 2, exemplar revolving part 7 to be fixedly installed in the upper surface of described mount pad 13.
Further according to fatigue experimental device described in the utility model, the both sides of wherein said exemplar revolving part 7 are provided with installation pickup groove, described U-bolt 2 includes two, and the installation pickup groove rear thread embedding exemplar revolving part 7 both sides is respectively connected to described pressing plate 3.
Further according to fatigue experimental device described in the utility model, wherein said loading hanger 5 comprises loading support 17, loads bearing pin 15 and rolling bearing 14, described loading support 17 has U-shaped structure, described loading bearing pin 15 is connected between two walls of loading support 17 openend, and described rolling bearing 14 is installed on described loading bearing pin 15.
Further according to fatigue experimental device described in the utility model, the U-shaped bottom center of wherein said loading support 17 offers and loads pin-and-hole 16.
Further according to fatigue experimental device described in the utility model, wherein said bearing guide rail 9 is positioned at described loading support 17 and loads the space that bearing pin 15 surrounds, described rolling bearing 14 Structure deformation in described bearing guide rail 9 circular arc inside surface and form circular motion pair.
At least following technique effect can be reached by the technical solution of the utility model:
1), the utility model by loading vertical and rotational load to balancing shaft on laboratory bench, when travelling on uneven road surface under simulating vehicle full load condition, the damage of the caused parts such as balancing shaft cone rubber bearing and trunnion base, achieve the torture test of balance shaft assembly on laboratory bench, reduce balance assembly car load and carry experimentation cost.
2), the fatigue experimental device that utilizes the utility model pioneering, problem potential in balancing shaft reliability can be eliminated early stage in vehicle development assembling, reduce the failure rate of balancing shaft, and improve the qualification rate of automobile research assembling.
Accompanying drawing explanation
Accompanying drawing 1 is the assembly structure schematic diagram of balancing shaft test exemplar on fatigue experimental device described in the utility model.
Accompanying drawing 2 is the balancing shaft test exemplar schematic diagram be applied in fatigue experimental device described in the utility model.
Accompanying drawing 3 is structural representations of bearing support in fatigue experimental device described in the utility model.
Accompanying drawing 4 is the structural representations loading hanger in fatigue experimental device described in the utility model.
In figure, the implication of each Reference numeral is as follows:
1-balancing shaft test exemplar, 2-U type bolt, 3-pressing plate, 4-bearing support, 5-loads hanger, 6-exemplar bearing, 7-exemplar revolving part, 8-exemplar bearing pin, 9-bearing guide rail, 10-drives pin-and-hole, 11-actuating arm, 12-linking arm, 13-mount pad, 14-rolling bearing, 15-loads bearing pin, 16-loads pin-and-hole, and 17-loads support.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail, to enable those skilled in the art's understanding clearly scheme of the present utility model, but does not therefore limit protection domain of the present utility model.
The utility model in order under simulating vehicle full load condition when uneven road surface travels, balancing shaft rotating part had both born vertical vehicle-mounted quality, this complex conditions is rotated again with axle tramp, a kind of vehicle balance axle fatigue experimental device on laboratory bench is provided, described device can guarantee that the rotating part of balancing shaft realizes rotary motion while bearing constant vertical load, thus in bench test, can simulate balancing shaft be exactly assemblied in complex conditions after car load when uneven road surface travels.
First the structure of the balancing shaft test exemplar be applied in fatigue experimental device described in the utility model is described, as shown in Figure 2, this balancing shaft test exemplar (part to be tested of the balancing shaft in reality is identical with its structure) comprises exemplar bearing 6, exemplar revolving part 7 and exemplar bearing pin 8, described exemplar bearing 6 can be fixed on the iron floor of test-bed, described exemplar bearing pin 8 is fixed on described exemplar bearing 6, described exemplar revolving part 7 is rotated by rubber shaft bearing and is installed on described exemplar bearing pin 8, and can rotate around described exemplar bearing pin 8 relative to exemplar bearing 6, on described exemplar revolving part 7, be provided with installation pickup groove simultaneously.By fatigue experimental device described in the utility model, the complex conditions that exemplar revolving part (corresponding balancing shaft rotating part) not only bears vertical load but also rotates is simulated.
As shown in accompanying drawing 3 and accompanying drawing 4, fatigue experimental device described in the utility model comprises bearing support 4, exemplar mounting clamp and loads hanger 5.Described bearing support 4 comprises bearing guide rail 9, actuating arm 11, linking arm 12 and mount pad 13, as shown in Figure 3, described bearing guide rail 9 is arc guide rail structure, linking arm 12 is connected to along circular arc radial direction at the circular arc two ends of bearing guide rail 9, fan structure is formed by two linking arms 12 and bearing guide rail 9, the top of two linking arms 12 is connected to form described mount pad 13, described mount pad 13 is for installing balancing shaft test exemplar, and extend outward actuating arm 11 from described mount pad, described actuating arm 11 is perpendicular with the circular arc bisector (namely through the arc diameter of center of arc) of bearing guide rail 9, and driving pin-and-hole 10 is offered in the outer end of described actuating arm 11, by drive pin-and-hole 10 place be applied with/power in lower direction to be to realize the rotating drive to bearing support 4.The circular arc of described bearing guide rail 9 is arranged and the position of described mount pad 13 arranges guarantee when the exemplar revolving part 7 of balancing shaft test exemplar is installed on described mount pad, the circular arc center of circle of bearing guide rail 9 overlaps with the exemplar bearing pin 8 in exemplar revolving part 7, namely the exemplar bearing pin 8 in exemplar revolving part 7 is in the circular arc home position of bearing guide rail 9, can ensure to apply vertical load to exemplar revolving part 7 by loading force in bearing guide rail 9 like this, simultaneously by drive pin-and-hole 10 place be applied with/power in lower direction makes bearing support 4 rotate around exemplar bearing pin 8, complete the Work condition analogue that exemplar revolving part 7 realizes rotary motion while bearing constant vertical load.
Described exemplar mounting clamp comprises two U-bolts 2 and a pressing plate 3, described U-bolt 2 has U-shaped structure and is processed with external thread at U-shaped openend, as shown in Figure 1, when balancing shaft being tested exemplar and being installed on bearing support 4, the U-shaped bottom surface of U-bolt 2 is embedded in the installation pickup groove on exemplar revolving part 7, exemplar revolving part 7 is fixed on the upper surface of mount pad, the lower surface rear thread that pressing plate 3 passes mount pad is connected to the U-shaped openend of U-bolt 2 simultaneously, by U-bolt 2 and pressing plate 3, balancing shaft being tested exemplar so is firmly installed on the mount pad of bearing support 4, described U-bolt 2 adopts two can carry out above-mentioned fixing to exemplar revolving part 7 both sides simultaneously.
As shown in Figure 4, described loading hanger 5 comprises the loading support 17 of U-shaped structure, load bearing pin 15 and rolling bearing 14, offer in the U-shaped bottom of described loading support 17 and load pin-and-hole 16, loading force is applied to loading hanger 5 by described loading pin-and-hole 16, be connected with between the two side at the U-shaped top of described loading support 17 and load bearing pin 15, and on described loading bearing pin 15, rolling bearing 14 is installed, when described loading hanger 5 is installed on bearing support 4, the U-shaped opening of described loading support 17 is after bearing guide rail 9 is passed in bearing guide rail 9 bottom surface, described U-shaped opening is installed the loading bearing pin 15 with rolling bearing 14, described bearing guide rail 9 is limited to load support 17 U-shaped structure within, and make described rolling bearing 14 Structure deformation in the circular arc inside surface of bearing guide rail 9, rolling pair is formed with bearing guide rail 9 by described rolling bearing 14, whole loading hanger 5 can be rolled along the arc-shaped surface of bearing guide rail 9, like this when bearing support 4 rotates, load hanger 5 to roll along bearing guide rail 9 simultaneously, thus ensure that the loading pin-and-hole 13 loading hanger 5 can provide constant vertical load to exemplar revolving part 7 all the time, no matter whether it rotates, reach the object of accurate simulation balancing shaft rotating part complex conditions.
By fatigue experimental device described in the utility model to the detailed process that balancing shaft test exemplar carries out simulating testing fatigue be: with reference to accompanying drawing 1, the exemplar bearing 6 first tested by balancing shaft in exemplar 1 is fixed on stand plate by frock; Exemplar revolving part 7 is fixed on the mount pad 13 of bearing support 4 by U-bolt 2 and pressing plate 3; Be connected in the bearing guide rail 9 in bearing support 4 by loading hanger 5, and form rolling pair by rolling bearing 14, loading bearing pin 15 with bearing guide rail 9, when guaranteeing that exemplar revolving part 7 rotates, loading hanger 5 can move along bearing guide rail 9; The loading pin-and-hole 16 loading hanger 5 applying power vertically downward, loading for realizing balance shaft assembly.After fatigue experimental device installs, first identical load is applied according to the carrying situation of vehicle full load balancing shaft at loading pin-and-hole 16 place, then shift reciprocately is applied at driving pin-and-hole 10 place according to balancing shaft actual rotation angle, balancing shaft torture test can be carried out, wherein as above bearing support simultaneously as the parts of Plumb load and balancing shaft reciprocating rotation, and the center of arc of its bearing guide rail 9 overlaps with exemplar bearing pin 8 and rolling bearing 14 and bearing rail 9 form rolling pair, can guarantee that bearing support 4 is with in exemplar revolving part 7 rotation process, keep constant in the vertical load loading the applying of bearing pin 15 place, thus simulate balancing shaft actual condition accurately.
The utility model adopts bearing support, loads the Compositional balance axle fatigue experimental devices such as hanger, pressing plate, U-bolt, for under simulating vehicle full load condition when uneven road surface travels, balancing shaft rotating part is not only by vertical load, but also the complex conditions that rotates of relative equilibrium shaft stool, thus on test-bed, achieve the Durability Test of balance shaft assembly, reduce balance shaft assembly car load and carry experimentation cost.
Below be only that preferred implementation of the present utility model is described; the technical solution of the utility model is not limited to this; the any known distortion that those skilled in the art do on the basis that major technique of the present utility model is conceived all belongs to the claimed technology category of the utility model, and the concrete protection domain of the utility model is as the criterion with the record of claims.
Claims (9)
1. the fatigue experimental device of a vehicle balance axle, it is characterized in that, comprise bearing support (4), exemplar mounting clamp and loading hanger (5), described bearing support (4) comprises bearing guide rail (9), actuating arm (11), linking arm (12) and mount pad (13), described bearing guide rail (9) has arc guide rail structure, and be connected to described linking arm (12) at the circular arc two ends of bearing guide rail (9), described mount pad (13) is formed on the top of described linking arm (12), described actuating arm (11) is drawn from described mount pad (13), balancing shaft is tested exemplar and is fixedly installed on described mount pad (13) by described exemplar mounting clamp, the rolling of described loading hanger (5) is connected to described bearing guide rail (9).
2. fatigue experimental device according to claim 1, it is characterized in that, described linking arm (12) is radially-inwardly connected with along circular arc at the circular arc two ends of bearing guide rail (9), described linking arm (12) and bearing guide rail (9) composition fan structure, the top of two linking arms (12) is connected to form described mount pad (13), described actuating arm (11) is perpendicular with the circular arc bisector of bearing guide rail (9), and offers driving pin-and-hole (10) in the outer end of described actuating arm (11).
3. fatigue experimental device according to claim 2, it is characterized in that, described balancing shaft test exemplar comprises exemplar bearing (6), exemplar revolving part (7) and exemplar bearing pin (8), described exemplar bearing pin (8) is fixed on described exemplar bearing (6), described exemplar revolving part (7) is installed on described exemplar bearing pin (8) and above also can rotates around described exemplar bearing pin (8), and described exemplar revolving part (7) be provided with installation pickup groove.
4. fatigue experimental device according to claim 3, it is characterized in that, the described exemplar mounting clamp exemplar revolving part (7) specifically tested by balancing shaft in exemplar is fixedly installed on described mount pad (13), and make the exemplar bearing pin (8) in exemplar revolving part (7) be in the circular arc home position of described bearing guide rail (9), applying vertical load by bearing guide rail (9) to exemplar revolving part (7), by driving pin-and-hole (10) applying power, exemplar revolving part (7) being rotated.
5. fatigue experimental device according to claim 4, it is characterized in that, described exemplar mounting clamp comprises U-bolt (2) and pressing plate (3), the U-shaped bottom surface of described U-bolt (2) embeds in the installation pickup groove of described exemplar revolving part (7), described pressing plate (3) is connected to the U-shaped openend of described U-bolt (2), exemplar revolving part (7) to be fixedly installed in the upper surface of described mount pad (13) through the lower surface rear thread of described mount pad (13).
6. fatigue experimental device according to claim 5, it is characterized in that, the both sides of described exemplar revolving part (7) are provided with installation pickup groove, described U-bolt (2) includes two, and the installation pickup groove rear thread embedding exemplar revolving part (7) both sides is respectively connected to described pressing plate (3).
7. the fatigue experimental device according to any one of claim 1-6, it is characterized in that, described loading hanger (5) comprises loading support (17), loads bearing pin (15) and rolling bearing (14), described loading support (17) has U-shaped structure, described loading bearing pin (15) is connected between two walls of loading support (17) openend, and described rolling bearing (14) is installed on described loading bearing pin (15).
8. fatigue experimental device according to claim 7, is characterized in that, the U-shaped bottom center of described loading support (17) offers and loads pin-and-hole (16).
9. fatigue experimental device according to claim 8, it is characterized in that, described bearing guide rail (9) is positioned at described loading support (17) and loads bearing pin (15) space that surrounds, described rolling bearing (14) Structure deformation in described bearing guide rail (9) circular arc inside surface and form circular motion pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538986.3U CN204043910U (en) | 2014-09-18 | 2014-09-18 | A kind of fatigue experimental device of vehicle balance axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538986.3U CN204043910U (en) | 2014-09-18 | 2014-09-18 | A kind of fatigue experimental device of vehicle balance axle |
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| Publication Number | Publication Date |
|---|---|
| CN204043910U true CN204043910U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420538986.3U Expired - Lifetime CN204043910U (en) | 2014-09-18 | 2014-09-18 | A kind of fatigue experimental device of vehicle balance axle |
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| Country | Link |
|---|---|
| CN (1) | CN204043910U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146994A (en) * | 2020-09-25 | 2020-12-29 | 中国原子能科学研究院 | Bending resistance test device |
| CN112649214A (en) * | 2021-01-05 | 2021-04-13 | 东风商用车有限公司 | Fatigue test device and method for large balanced suspension bracket |
-
2014
- 2014-09-18 CN CN201420538986.3U patent/CN204043910U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146994A (en) * | 2020-09-25 | 2020-12-29 | 中国原子能科学研究院 | Bending resistance test device |
| CN112649214A (en) * | 2021-01-05 | 2021-04-13 | 东风商用车有限公司 | Fatigue test device and method for large balanced suspension bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141224 |