CN212844770U - Auxiliary tool for static torsion test - Google Patents
Auxiliary tool for static torsion test Download PDFInfo
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- CN212844770U CN212844770U CN202021714381.7U CN202021714381U CN212844770U CN 212844770 U CN212844770 U CN 212844770U CN 202021714381 U CN202021714381 U CN 202021714381U CN 212844770 U CN212844770 U CN 212844770U
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Abstract
The utility model discloses an auxiliary fixtures for quiet test of turning round belongs to experimental frock technical field. The auxiliary tool comprises a base, and a first supporting seat and a second supporting seat which are oppositely arranged on the base, wherein the second supporting seat can be close to or far away from the first supporting seat along a first direction; further comprising: a first fixed flange; the transmission shaft is rotatably arranged on the first supporting seat, one end of the transmission shaft is connected with an external power source, and the other end of the transmission shaft is provided with the first fixing flange; the second fixing flange is fixed on the second supporting seat, and a part to be measured is connected between the first fixing flange and the second fixing flange; the axis of the part to be measured and the axes of the first fixing flange and the second fixing flange are overlapped and parallel to the first direction. The utility model discloses an auxiliary fixtures can shorten experimental preparation time, reduces intensity of labour, improves test efficiency.
Description
Technical Field
The utility model relates to an experimental frock technical field especially relates to an auxiliary fixtures for quiet turn round is experimental.
Background
The automobile generally comprises a plurality of shaft parts, such as a half shaft, a through shaft, a cylindrical gear shaft, a transmission shaft and the like, and in the production and manufacturing processes of the automobile, the shaft parts are required to be subjected to static torsion tests to obtain the static torsion strength, so that the performance of the parts can meet the use requirements.
The existing static torsion test tool needs manual loading, is limited by the installation level of operators and uncertainty of manual operation, the coaxiality of the input end and the fixed end of a tested part is poor, additional bending moment can be generated during testing, and the accuracy and reliability of a test result are influenced; in order to meet the requirement of coaxiality as much as possible, the relative position relationship between the input end and the fixed end of the part to be measured is usually adjusted manually and repeatedly for many times; for the tested parts with different sizes, the adjustment needs to be carried out again every time the test is carried out, so that the test preparation time is long, the labor intensity is high, and the test efficiency is low.
Therefore, it is desirable to provide an auxiliary tool for static torsion test to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an auxiliary fixtures for quiet test of turning round can make the input of part under test and the axiality of stiff end satisfy the requirement as far as possible before experimental at every turn, effectively avoids the problem that test efficiency is low that artifical installation and debugging brought.
In order to realize the purpose, the following technical scheme is provided:
an auxiliary tool for a static torsion test comprises a base, and a first supporting seat and a second supporting seat which are oppositely arranged on the base, wherein the second supporting seat can be close to or far away from the first supporting seat along a first direction; further comprising:
the transmission shaft is rotatably arranged on the first supporting seat, one end of the transmission shaft is connected with an external power source, and the other end of the transmission shaft is provided with a first fixing flange;
the second fixing flange is fixed on the second supporting seat, and a part to be measured is connected between the first fixing flange and the second fixing flange; the axis of the part to be measured and the axes of the first fixing flange and the second fixing flange are overlapped and parallel to the first direction.
Optionally, the auxiliary tool further comprises a sliding driving mechanism, the sliding driving mechanism comprises a driving piece and a screw nut structure, a screw of the screw nut structure is arranged on the base and extends along the first direction, a nut of the screw nut structure is arranged on the second supporting seat, and an output end of the driving piece is connected with the screw.
Optionally, a first bearing seat is disposed on the base, and the lead screw is rotatably disposed on the first bearing seat.
Optionally, the rotation axis of the output end of the driving member is perpendicular to the rotation axis of the lead screw.
Optionally, a transmission mechanism is arranged between the driving part and the lead screw, the transmission mechanism includes a first bevel gear arranged at an output end of the driving part and a second bevel gear arranged on the lead screw, and the first bevel gear and the second bevel gear are engaged with each other.
Optionally, the output end of the driving piece is provided with a transmission rod, and the free end of the transmission rod is provided with the first bevel gear; a second bearing seat is arranged on the base, and the transmission rod is rotatably arranged on the second bearing seat.
Optionally, the driving member is a driving turntable, and a handle is arranged on the driving turntable.
Optionally, the auxiliary tool further comprises a first transition flange and a second transition flange, the first transition flange is detachably connected with the first fixed flange, the second transition flange is detachably connected with the second fixed flange, and the measured part is connected between the first transition flange and the second transition flange.
Optionally, the second support seat is detachably connected with the base through a bolt structure.
Optionally, a guide mechanism is disposed between the second support seat and the base, and is configured to guide the second support seat to slide along the first direction.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an auxiliary fixtures for static torsion test sets up first mounting flange and second mounting flange on first supporting seat and second supporting seat respectively, and the axis of first mounting flange and second mounting flange is coincidence, therefore only need to be surveyed the part and be connected with corresponding mounting flange when last, and make the axis of surveying the part coincide with the axis of two mounting flanges, alright guarantee to survey the axiality at part both ends and satisfy the requirement, guaranteed the accuracy and the reliability of test result;
meanwhile, the second supporting seat can slide relative to the first supporting seat along the axis direction of the fixing flange, so that the parts to be tested with different sizes can be installed on the premise of ensuring that the coaxiality meets the requirements, the workpiece loading process is not limited by the installation level of an operator and the uncertainty of manual operation, the test preparation time is shortened, the labor intensity is reduced, and the test efficiency is improved.
Drawings
FIG. 1 is a schematic view of an assembly structure of an auxiliary tool for a static torsion test and a part to be tested in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an auxiliary tool for static torsion test in an embodiment of the present invention;
fig. 3 is a schematic structural view of the sliding driving mechanism and the base according to the embodiment of the present invention.
Reference numerals:
10. a base; 20. a first support base; 30. a second support seat; 40. a part to be tested; 50. a slide drive mechanism;
11. a horizontal support plate; 12. a vertical support plate; 13. a first bearing housing; 14. a second bearing housing; 15. a guide rail; 21. a drive shaft; 22. a first fixed flange; 23. a first transition flange; 31. a base plate; 32. a side plate; 33. reinforcing ribs; 34. a second fixed flange; 35. a second transition flange; 51. a drive member; 52. a lead screw; 53. a nut; 54. a transmission rod; 55. a first bevel gear; 56. a second bevel gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 and fig. 2, the present embodiment discloses an auxiliary tool for a static torsion test, the auxiliary tool includes a base 10, and a first supporting seat 20 and a second supporting seat 30 oppositely disposed on the base 10, the first supporting seat 20 is fixed on the base 10, and the second supporting seat 30 can be close to or far from the first supporting seat 20 along a first direction; auxiliary fixtures still includes: the transmission shaft 21 is rotatably arranged on the first supporting seat 20, one end of the transmission shaft 21 is connected with an external power source, and the other end of the transmission shaft 21 is provided with a first fixing flange 22; the second fixed flange 34 is fixed on the second support seat 30, the tested part 40 is connected between the first fixed flange 22 and the second fixed flange 34, and the axis of the tested part 40 coincides with the axes of the first fixed flange 22 and the second fixed flange 34 and is parallel to the first direction, so that the tested part 40 is prevented from generating additional bending moment during testing. The one end that part 40 and first mounting flange 22 are connected is the input to be surveyed, and the one end that part 40 and second mounting flange 34 are connected is the stiff end, and external power source passes through transmission shaft 21 with the moment of torsion and transmits the input to part 40 to be surveyed, accomplishes the static torsion test.
The auxiliary tool for the static torsion test provided by the embodiment is characterized in that the first fixing flange 22 and the second fixing flange 34 are respectively arranged on the first supporting seat 20 and the second supporting seat 30, and the axes of the first fixing flange 22 and the second fixing flange 34 are overlapped, so that when a part is loaded, only the part 40 to be tested is connected with the corresponding fixing flange, and the axis of the part 40 to be tested is overlapped with the axes of the two fixing flanges, so that the coaxiality of two ends of the part 40 to be tested can meet the requirement, and the accuracy and reliability of the test result are ensured; meanwhile, the second supporting seat 30 can slide relative to the first supporting seat 20 along the axial direction of the fixing flange, so that the tested parts 40 with different sizes can be installed on the premise of ensuring that the coaxiality meets the requirement, the workpiece loading process is not limited by the installation level of operators and the uncertainty of manual operation, the test preparation time is shortened, the labor intensity is reduced, and the test efficiency is improved.
Further, the second support seat 30 is detachably connected to the base 10 through a bolt structure. After the second supporting seat 30 moves to the target position, the second supporting seat 30 and the base 10 can be relatively fixed through the bolt structure, so that the second supporting seat 30 is guaranteed not to slide any more, and the static torsion experiment can be smoothly completed. After the static torsion test of a tested part 40 is completed, the bolt connection between the second supporting seat 30 and the base 10 can be unlocked, so that the second supporting seat 30 can be far away from the first supporting seat 20, and the tested part 40 on the upper part and the tested part 40 on the lower part can be conveniently fed.
With continued reference to fig. 1 and fig. 2, a guiding mechanism is disposed between the second supporting seat 30 and the base 10 to ensure the accuracy of the sliding of the second supporting seat 30 along the first direction. Alternatively, the guiding mechanism comprises a guiding groove arranged on the second supporting seat 30 and a guiding rail 15 arranged on the base 10, the guiding rail 15 extends along the first direction, and the guiding groove is slidably arranged on the guiding rail 15. Or optionally, the guiding mechanism includes a sliding block disposed on the second supporting seat 30 and a sliding groove disposed on the base 10, the sliding groove extends along the first direction, and the sliding block is slidably disposed in the sliding groove. Further alternatively, referring to fig. 1, the second supporting seat 30 is an inverted T-shaped structure, and includes a bottom plate 31 and a side plate 32 vertically disposed on the bottom plate 31, the second fixing flange 34 is disposed on the side plate 32, and a corresponding guiding groove or sliding block is disposed on the bottom plate 31. Further, a wedge-shaped reinforcing rib 33 is arranged between the bottom plate 31 and the side plate 32 to improve the stability of the whole second support seat 30.
Referring to fig. 3, the auxiliary tool further includes a sliding driving mechanism 50 for implementing sliding driving of the second support seat 30. Optionally, the sliding driving mechanism 50 includes a driving member 51 and a screw nut structure disposed at an output end of the driving member 51, a screw 52 of the screw nut structure is disposed on the base 10 and extends along the first direction, a nut 53 of the screw nut structure is disposed on the second supporting seat 30, the output end of the driving member 51 is connected to the screw 52 and drives the screw 52 to rotate, and under the threaded fit between the screw 52 and the nut 53, a rotation torque output by the driving member 51 is converted into a linear movement of the second supporting seat 30 along the first direction. Specifically, the nut 53 is provided on the bottom plate 31 of the second support base 30. Further, the lead screw 52 is arranged on the base 10 through the first bearing seat 13; optionally, the first bearing seats 13 are arranged at intervals along the first direction, and the lead screw 52 is rotatably arranged on the two first bearing seats 13, so that stable placement of the lead screw 52 is realized. In one embodiment, the driving member 51 may be a motor, and the motor drives the lead screw 52 to rotate, so as to realize the moving driving of the second supporting seat 30; in another embodiment, the driving member 51 may be a driving turntable, and manual driving is realized by manually rotating the driving turntable; optionally, a handle is arranged on the driving turntable, so that manual grasping is facilitated.
In one embodiment, the rotation axis of the output end of the driving member 51 and the rotation axis of the lead screw 52 coincide with each other, that is, the driving member 51 is disposed at one end of the lead screw 52 along the first direction; further, the driving member 51 is disposed at an end of the screw 52 away from the first supporting seat 20, so as to facilitate manual operation without interfering with other structures of the auxiliary tool. In this embodiment, referring to fig. 3, the rotation axis of the output end of the driving element 51 is perpendicular to the rotation axis of the screw 52, and at this time, in order to realize the rotation driving of the screw 52 by the driving element 51, a transmission mechanism is disposed between the driving element 51 and the screw 52; the transmission mechanism comprises a first bevel gear 55 arranged at the output end of the driving piece 51 and a second bevel gear 56 arranged on the screw rod 52, and the first bevel gear 55 and the second bevel gear 56 are meshed with each other; namely, the torque of the driving element 51 is transmitted to the screw rod 52 through the meshing of the first bevel gear 55 and the second bevel gear 56, so that the rotation axis of the driving turntable and the rotation axis of the screw rod 52 are vertically arranged, the reasonable arrangement of the sliding driving mechanism 50 is facilitated, and the structure of the whole auxiliary tool is optimized. Optionally, the output end of the driving member 51 is provided with a transmission rod 54, the free end of the transmission rod 54 is provided with the first bevel gear 55, and the transmission rod 54 is arranged so that when the driving member 51 is a driving turntable, it can be arranged at the periphery of the base 10 for the convenience of operation of a person. Further, the base 10 is provided with a second bearing seat 14, and the transmission rod 54 is rotatably arranged on the second bearing seat 14 and extends along a second direction, wherein the second direction is perpendicular to the first direction; the provision of the second bearing block 14 achieves a stable positioning of the transmission rod 54, which also ensures a stable rotational drive of the drive element 51. Further, two second bearing seats 14 are arranged at intervals along the second direction, and the transmission rod 54 is simultaneously and rotatably arranged on the two second bearing seats 14.
Further, referring to fig. 1 and 2, the auxiliary tool further includes a first transition flange 23 and a second transition flange 35, the first transition flange 23 is detachably connected with the first fixing flange 22, the second transition flange 35 is detachably connected with the second fixing flange 34, and the measured part 40 is connected between the first transition flange 23 and the second transition flange 35. In specific implementation, one end of the transition flange in the first direction is fixed on the fixed flange, and the other end is used for connecting with the end of the part 40 to be measured. Optionally, the transition flange is detachably connected with the fixed flange through a bolt structure. Above-mentioned first transition flange 23 and second transition flange 35's the mode of dismantling the connection for according to the difference of the tip structure of different axle class parts, carry out conformal design to the transition flange structure, both made things convenient for the tip of being surveyed part 40 and transition flange firm connection, improve the reliability of being surveyed part 40 and auxiliary fixtures assembly, still improved whole auxiliary fixtures's suitability.
The transmission shaft 21 is rotatably disposed on the first supporting seat 20 through a bearing structure. Further, the external power source may be a driving motor, and an output shaft of the driving motor is in transmission connection with the transmission shaft 21 to provide torque. Further, referring to fig. 1, the base 10 is an i-shaped structure, and includes two horizontal support plates 11 disposed at an interval and a vertical support plate 12 disposed between the two horizontal support plates 11, where the vertical support plate 12 is disposed at least two and disposed at an interval along the second direction, so that the weight of the base 10 can be reduced while the support stability of the base 10 is ensured.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The auxiliary tool for the static torsion test is characterized by comprising a base (10), and a first supporting seat (20) and a second supporting seat (30) which are oppositely arranged on the base (10), wherein the second supporting seat (30) can be close to or far away from the first supporting seat (20) along a first direction; further comprising:
the transmission shaft (21) is rotatably arranged on the first supporting seat (20), one end of the transmission shaft is connected with an external power source, and the other end of the transmission shaft is provided with a first fixed flange (22);
the second fixed flange (34) is fixed on the second supporting seat (30), and a part to be measured (40) is connected between the first fixed flange (22) and the second fixed flange (34); the axis of the part to be measured (40) coincides with the axes of the first fixing flange (22) and the second fixing flange (34) and is parallel to the first direction.
2. The auxiliary tool according to claim 1, further comprising a sliding driving mechanism (50), wherein the sliding driving mechanism (50) comprises a driving member (51) and a screw nut structure, a screw (52) of the screw nut structure is arranged on the base (10) and extends along the first direction, a nut (53) of the screw nut structure is arranged on the second supporting seat (30), and an output end of the driving member (51) is connected with the screw (52).
3. The auxiliary tool according to claim 2, wherein a first bearing seat (13) is arranged on the base (10), and the lead screw (52) is rotatably arranged on the first bearing seat (13).
4. The auxiliary tool according to claim 2, characterized in that the rotation axis of the output end of the driving member (51) is perpendicular to the rotation axis of the lead screw (52).
5. The auxiliary tool according to claim 4, characterized in that a transmission mechanism is arranged between the driving part (51) and the screw (52), the transmission mechanism comprises a first bevel gear (55) arranged at the output end of the driving part (51) and a second bevel gear (56) arranged on the screw (52), and the first bevel gear (55) and the second bevel gear (56) are meshed with each other.
6. Auxiliary tooling according to claim 5, wherein the output end of the driving member (51) is provided with a transmission rod (54), and the free end of the transmission rod (54) is provided with the first bevel gear (55); a second bearing seat (14) is arranged on the base (10), and the transmission rod (54) is rotatably arranged on the second bearing seat (14).
7. The auxiliary tool according to any one of claims 2 to 6, wherein the driving member (51) is a driving turntable, and a handle is arranged on the driving turntable.
8. The auxiliary tool according to claim 1, further comprising a first transition flange (23) and a second transition flange (35), wherein the first transition flange (23) is detachably connected with the first fixing flange (22), the second transition flange (35) is detachably connected with the second fixing flange (34), and the part to be measured (40) is connected between the first transition flange (23) and the second transition flange (35).
9. The auxiliary tool according to claim 1, wherein the second support seat (30) is detachably connected with the base (10) through a bolt structure.
10. The auxiliary tool according to claim 1, wherein a guide mechanism is arranged between the second support seat (30) and the base (10) for guiding the second support seat (30) to slide along the first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021714381.7U CN212844770U (en) | 2020-08-17 | 2020-08-17 | Auxiliary tool for static torsion test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021714381.7U CN212844770U (en) | 2020-08-17 | 2020-08-17 | Auxiliary tool for static torsion test |
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| Publication Number | Publication Date |
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| CN212844770U true CN212844770U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021714381.7U Active CN212844770U (en) | 2020-08-17 | 2020-08-17 | Auxiliary tool for static torsion test |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899636A (en) * | 2021-08-23 | 2022-01-07 | 国网浙江省电力有限公司电力科学研究院 | Gas peak regulation power station GIS sleeve pipe fatigue test device |
| CN113970442A (en) * | 2021-09-13 | 2022-01-25 | 东风汽车底盘系统有限公司 | Quick-change clamp for transmission shaft static torsion test bed |
| CN114112383A (en) * | 2021-10-19 | 2022-03-01 | 重庆青山工业有限责任公司 | Static torsion strength test bench for speed changer |
-
2020
- 2020-08-17 CN CN202021714381.7U patent/CN212844770U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899636A (en) * | 2021-08-23 | 2022-01-07 | 国网浙江省电力有限公司电力科学研究院 | Gas peak regulation power station GIS sleeve pipe fatigue test device |
| CN113970442A (en) * | 2021-09-13 | 2022-01-25 | 东风汽车底盘系统有限公司 | Quick-change clamp for transmission shaft static torsion test bed |
| CN113970442B (en) * | 2021-09-13 | 2023-10-20 | 东风汽车底盘系统有限公司 | Quick-change clamp for static torsion test bed of transmission shaft |
| CN114112383A (en) * | 2021-10-19 | 2022-03-01 | 重庆青山工业有限责任公司 | Static torsion strength test bench for speed changer |
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