CN213516340U - Static torsion strength testing device for differential mechanism assembly - Google Patents
Static torsion strength testing device for differential mechanism assembly Download PDFInfo
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- CN213516340U CN213516340U CN202022764669.1U CN202022764669U CN213516340U CN 213516340 U CN213516340 U CN 213516340U CN 202022764669 U CN202022764669 U CN 202022764669U CN 213516340 U CN213516340 U CN 213516340U
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Abstract
The utility model relates to a vehicle field discloses a quiet intensity testing arrangement that turns round of differential mechanism assembly, including work support, two half chucks and torsion machine, two half chucks are connected in the outer felly of differential mechanism assembly and are formed the chuck band pulley. The utility model discloses a torque machine work drives the drive pulley and rotates, drives the chuck band pulley through the drive belt and rotates to transmit the moment of torsion that the torque machine provided to the differential mechanism assembly, to differential mechanism assembly loading moment of torsion, thereby obtain the quiet torsional strength test result of differential mechanism assembly, realize the direct measurement of the quiet torsional strength of differential mechanism assembly, the measuring result is accurate, and adopt drive pulley, drive belt and chuck band pulley to cooperate and be the loading moment of torsion of differential mechanism assembly, reduced assembly manufacturing difficulty and manufacturing cost; the differential assembly is detachably connected with the working support and the chuck belt wheel, so that the static torsion strength testing device of the differential assembly can be repeatedly used, and the testing cost is effectively reduced.
Description
Technical Field
The utility model relates to a vehicle field especially relates to a quiet intensity testing arrangement of turning round of differential mechanism assembly.
Background
The differential assembly is one of important components of the transmission, and the static torsional strength of the differential assembly directly influences the overall strength of the transmission, so that the accurate and efficient test and evaluation of the static torsional strength of the differential assembly are extremely important. However, at present, the static torsional strength of the differential assembly is mainly obtained by performing the static torsional test on the transmission assembly, and the strength value is determined by relatively weak parts and cannot be directly reflected by the static torsional strength of the differential assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quiet intensity testing arrangement of turning round of differential mechanism assembly can realize the quiet direct test of turning round intensity of differential mechanism assembly.
To achieve the purpose, the utility model adopts the following technical proposal:
a static torsion strength testing device for a differential assembly comprises:
the two ends of the differential assembly are detachably connected to the working support;
a chuck pulley removably connected to an outer rim of the differential assembly;
the output end of the torsion machine is connected with a driving belt wheel, the driving belt wheel is in transmission connection with the chuck belt wheel through a transmission belt, and the torsion machine is used for applying torque to enable the differential assembly to be twisted.
As a preferred technical scheme of the static torsion strength testing device for the differential assembly, the chuck belt wheel comprises two half chucks with opposite openings, and the chuck belt wheel is sleeved outside the outer wheel rim.
As an optimal technical scheme of the static torsion strength testing device for the differential assembly, a clamping groove is formed in the inner wall of the chuck belt wheel and is connected with the outer wheel rim in an inserting mode.
As a preferable technical solution of the above differential assembly static torsion strength testing device, each half chuck is connected to the outer rim by a plurality of first bolts distributed circumferentially and is fastened by nuts.
As an optimal technical scheme of the static torsion strength testing device for the differential assembly, bearings are sleeved outside two ends of the differential assembly, and outer rings of the bearings are matched with inner holes of the working support.
As an optimal technical scheme of the static torsion strength testing device for the differential assembly, an outer ring of the bearing is in clearance fit or transition fit with an inner hole of the working support.
As an optimal technical scheme of the static torsion strength testing device for the differential assembly, the working support comprises a support body and two flanges detachably connected to the support body, and the flanges correspond to the half axle gears of the differential assembly one by one and are in splined connection with the corresponding half axle gears.
As a preferable technical solution of the above differential assembly static torsion strength testing device, each of the flanges is connected to the bracket body through six second bolts.
As an optimal technical scheme of above-mentioned differential mechanism assembly quiet intensity testing arrangement that turns round, the support body include the workstation, and connect in two support subdivisions of workstation, the differential mechanism assembly is located two between the support subdivision, the flange is T shape pole, the free end of the montant of T shape pole passes correspondingly the support subdivision and through splined connection in corresponding side gear, the horizontal pole of T shape pole passes through second bolted connection in corresponding the support subdivision.
As an optimal technical scheme of the static torsion strength testing device for the differential assembly, each support subsection is provided with an accommodating groove, and a cross rod of the T-shaped rod does not protrude out of the accommodating grooves.
The utility model has the advantages that: the utility model provides a quiet torsional strength testing arrangement of differential mechanism assembly, through the work of torsion machine, drive the drive pulley and rotate, drive the chuck band pulley through the drive belt and rotate, in order to transmit the moment of torsion that the torsion machine provided to the differential mechanism assembly, to differential mechanism assembly loading moment of torsion, thereby obtain the quiet torsional strength test result of differential mechanism assembly, realize the direct measurement of the quiet torsional strength of differential mechanism assembly, the measuring result is accurate, and adopt drive pulley, drive belt and chuck band pulley to cooperate as the loading moment of torsion of differential mechanism assembly, assembly manufacturing difficulty and manufacturing cost have been reduced; the differential assembly is detachably connected with the working support and the chuck belt wheel, so that the static torsion strength testing device of the differential assembly can be repeatedly used, and the testing cost is effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a device for testing static torsional strength of a differential assembly according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a partial explosion of a device for testing static torsional strength of a differential assembly according to an embodiment of the present invention;
fig. 3 is a partial cross-sectional view of a device for testing static torsional strength of a differential assembly according to an embodiment of the present invention.
In the figure:
11. a work table; 12. a support subsection; 13. a flange;
2. a differential assembly; 21. an outer rim; 22. a half shaft gear; 3. a half chuck; 4. a transmission belt; 5. a drive pulley; 6. a torsion machine; 7. a first bolt; 8. a nut; 9. a second bolt; 10. and a bearing.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
As shown in fig. 1 to 3, the present embodiment provides a device for testing static torsion strength of a differential assembly, comprising a working bracket, two half chucks 3 and a torsion machine 6, wherein two ends of the differential assembly 2 are detachably connected to the working bracket; the chuck pulley may be connected to the outer rim 21; the output end of the torque machine 6 is connected with a driving belt wheel 5, and the driving belt wheel 5 is in transmission connection with the chuck belt wheel through a transmission belt 4.
Through the work of torsion machine 6, drive driving pulley 5 and rotate, drive the chuck band pulley through drive belt 4 and rotate to transmit the moment of torsion that 6 torsion machines provided to differential mechanism assembly 2, to the loading moment of torsion of differential mechanism assembly 2, thereby obtain the quiet torsional strength test result of differential mechanism assembly 2.
The device for testing the static torsional strength of the differential assembly provided by the embodiment realizes the direct measurement of the static torsional strength of the differential assembly, has accurate measurement result, and reduces the assembly and manufacturing difficulty and the manufacturing cost by matching the driving belt wheel 5, the transmission belt 4 and the chuck belt wheel into the loading torque of the differential assembly 2; differential mechanism assembly 2 and working support and chuck band pulley all adopt to dismantle to be connected, can realize this differential mechanism assembly quiet power strength testing arrangement's used repeatedly, have effectively reduced the test cost.
The torque provided by the torque machine 6 is loaded on the differential assembly 2 by adopting belt transmission without adopting gears, so that the requirements on the machining precision and the assembly precision are reduced, the torque transmission error is reduced, and the accuracy of a measuring result is improved.
Specifically, the chuck band pulley includes two half chucks 3 that the opening is relative, and outside the outer felly 21 was located to the chuck band pulley cover, the inner wall of half chuck 3 was equipped with the draw-in groove, and the draw-in groove is pegged graft with outer felly 21, and every half chuck 3 all connects in outer felly 21 and fastens through nut 8 through a plurality of circumferentially distributed's first bolt 7. The outer rim 21 is axially limited by the two opposite side walls of the clamping groove, and the half chuck 3 and the outer rim 21 are connected through the first bolt 7, so that the detachable connection of the chuck belt wheel and the outer rim 21 is realized, the disassembly and the assembly are convenient, and the matched chuck belt wheel can be conveniently selected according to the size of the outer rim 21 of the differential assembly 2; and no changes need to be made to the structure of the differential assembly 2. Preferably, the chuck pulley formed by the two half-chucks 3 is connected to the outer rim 21 by six circumferentially equispaced first bolts 7.
The number of the first bolts 7 is not limited to six, and may be 8, 10, 12, or the like, and is specifically determined according to the number of the through holes that can be used for the first bolts 7 to pass through and are provided in the outer rim 21 itself, and the number of the through holes corresponding to the differential assemblies 2 of different models and different sizes may be the same or different.
Further, the two ends of the differential assembly 2 are sleeved with bearings 10, the outer ring of each bearing 10 is matched with the inner hole of the corresponding working support, and the bearings 10 support the differential assembly 2, so that the differential assembly 2 is convenient to twist. In this embodiment, each bearing 10 is transition fitted to a corresponding bore in the working bracket. In other embodiments, each bearing 10 may also be clearance fitted to a corresponding internal bore of the working bracket.
Further, the working bracket includes a bracket body, and two flanges 13 connectable to the bracket body, the flanges 13 corresponding to the side gears 22 of the differential assembly 2 one-to-one, and being spline-connected to the corresponding side gears 22. Connect flange 13 in the support body, again with flange 13 and the half axle gear 22 spline fit that corresponds, can restrict half axle gear 22 and rotate, be about to the output lock of differential mechanism assembly, drive driving pulley 5 through torque machine 6 and rotate, the rethread drive belt 4 and chuck band pulley can be with the moment of torsion loading on differential mechanism assembly 2, realize the accurate loading to differential mechanism assembly static torsion intensity.
In particular, each flange 13 is connected to the working support by a plurality of circumferentially distributed second bolts 9. Preferably, each flange 13 is connected to the working bracket by eight second bolts 9.
More specifically, the support body includes workstation 11, and connects in two support subsections 12 of workstation 11, and two support subsections 12 interval sets up, and differential assembly 2 is located between two support subsections 12, and flange 13 is the T shape pole, and the free end of the montant of T shape pole passes corresponding support subsection 12 and through splined connection in corresponding side gear 22, and the horizontal pole of T shape pole passes through second bolt 9 and connects in corresponding support subsection 12. In actual use, the workbench 11 and the twisting machine 6 may be directly fixed on the ground.
Preferably, each of the rack sections 12 is provided with a receiving slot, the cross bar of the T-bar not protruding into the receiving slot. Adopt above-mentioned setting to improve whole differential mechanism assembly static intensity testing arrangement's pleasing to the eye effect.
The differential assembly static torsional strength testing device provided by the embodiment has the advantages that the structure is simple, the dismounting is convenient, the direct measurement of the differential assembly static torsional strength can be directly, accurately and efficiently completed, the repeated use is realized, and the testing cost is reduced; the driving belt wheel 5 and the chuck belt wheel with different transmission ratios can be selected according to actual use requirements, and the flexibility is strong.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a differential mechanism assembly static torsion intensity testing arrangement which characterized in that includes:
the two ends of the differential assembly (2) are detachably connected to the working support;
a chuck pulley removably connected to an outer rim (21) of the differential assembly (2);
the torsion machine (6), the output of torsion machine (6) is connected with drive pulley (5), drive pulley (5) with the chuck band pulley passes through drive belt (4) transmission and is connected, torsion machine (6) are used for applying the moment of torsion so that differential assembly (2) take place to twist reverse.
2. The differential assembly static torsion strength testing device according to claim 1, wherein the chuck pulley comprises two half chucks (3) with opposite openings, and the chuck pulley is sleeved outside the outer rim (21).
3. The differential assembly static torsion strength testing device according to claim 2, wherein the inner wall of the chuck belt wheel is provided with a clamping groove, and the clamping groove is spliced with the outer wheel rim (21).
4. A differential assembly static torsion strength testing device according to claim 2, wherein each half chuck (3) is connected to the outer rim (21) by a plurality of circumferentially distributed first bolts (7) and is fastened by nuts (8).
5. The differential assembly static torsion strength testing device according to claim 1, wherein bearings (10) are sleeved outside two ends of the differential assembly (2), and outer rings of the bearings (10) are matched with inner holes of the working support.
6. A differential assembly static torsion strength testing device according to claim 5, wherein the outer ring of the bearing (10) is in clearance fit or transition fit with the inner hole of the working bracket.
7. The differential assembly static torsion strength testing device according to claim 1, wherein the working bracket comprises a bracket body and two flanges (13) detachably connected to the bracket body, and the flanges (13) correspond to the side gears (22) of the differential assembly (2) in a one-to-one manner and are in splined connection with the corresponding side gears (22).
8. A differential assembly static torsion strength testing device according to claim 7, wherein each of the flanges (13) and the bracket body are connected by a plurality of second bolts (9) distributed circumferentially.
9. The differential assembly static torsion strength testing device according to claim 8, wherein the support body comprises a workbench (11) and two support subsections (12) connected to the workbench (11), the differential assembly (2) is located between the two support subsections (12), the flange (13) is a T-shaped rod, the free end of the vertical rod of the T-shaped rod passes through the corresponding support subsection (12) and is connected to the corresponding side gear (22) through a spline, and the horizontal rod of the T-shaped rod is connected to the corresponding support subsection (12) through a second bolt (9).
10. A differential assembly static torsion strength testing device according to claim 9, wherein each of the carrier sections (12) is provided with a receiving groove, and the cross bar of the T-bar does not protrude from the receiving groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022764669.1U CN213516340U (en) | 2020-11-25 | 2020-11-25 | Static torsion strength testing device for differential mechanism assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022764669.1U CN213516340U (en) | 2020-11-25 | 2020-11-25 | Static torsion strength testing device for differential mechanism assembly |
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| CN213516340U true CN213516340U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022764669.1U Active CN213516340U (en) | 2020-11-25 | 2020-11-25 | Static torsion strength testing device for differential mechanism assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414240A (en) * | 2022-01-24 | 2022-04-29 | 一汽解放汽车有限公司 | Test bench and test method for inter-axle differential |
| CN118347721A (en) * | 2024-06-18 | 2024-07-16 | 山东东皓机械科技有限公司 | Comprehensive detection table for differential mechanism assembly |
-
2020
- 2020-11-25 CN CN202022764669.1U patent/CN213516340U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414240A (en) * | 2022-01-24 | 2022-04-29 | 一汽解放汽车有限公司 | Test bench and test method for inter-axle differential |
| CN114414240B (en) * | 2022-01-24 | 2024-01-16 | 一汽解放汽车有限公司 | Test bench and test method for inter-axle differential mechanism |
| CN118347721A (en) * | 2024-06-18 | 2024-07-16 | 山东东皓机械科技有限公司 | Comprehensive detection table for differential mechanism assembly |
| CN118347721B (en) * | 2024-06-18 | 2024-08-09 | 山东东皓机械科技有限公司 | Comprehensive detection table for differential mechanism assembly |
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