CN217542388U

CN217542388U - Inertia loading fatigue life test bed capable of directly measuring output torque

Info

Publication number: CN217542388U
Application number: CN202220731118.1U
Authority: CN
Inventors: 贺赟晖; 鲍锡松; 刘保瑞
Original assignee: Nanjing Yiqian Technology Co ltd
Current assignee: Nanjing Yiqian Technology Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-10-04
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses an inertia loading fatigue life test bench that can direct measurement output torque, including test bench base, drive arrangement, inertia device and test piece that awaits measuring, the input shaft of test piece that awaits measuring links to each other with drive arrangement's output, and the inertia device passes through the bearing and supports on the output shaft of test piece that awaits measuring, still includes: the torque meter is connected with the output end of the test piece to be tested; and the hollow shaft is arranged on the test bed base and is coaxial with the output shaft of the test piece to be tested, and the output shaft is positioned in the hollow shaft. The output end of the speed reducer test piece to be detected is connected with the torquemeter in an installing mode, the torque value parameters of the speed reducer test piece to be detected are detected through the torquemeter, and the accuracy of a detection result is guaranteed through the inertia load of the inertia device.

Description

Inertia loading fatigue life test bed capable of directly measuring output torque

Technical Field

The utility model relates to a fatigue life test bench technical field especially relates to an inertia loading fatigue life test bench that can direct measurement output torque.

Background

The service life of the speed reducer is a key application index of the speed reducer, the current fatigue life test bench of the speed reducer usually uses an inertia disc to simulate the actual working condition of the speed reducer for loading, the inertia disc is connected with the output end of the tested speed reducer, the inertia disc is supported by the speed reducer, the speed reducer bears the bending moment generated by the weight of the inertia disc, and the bending moment borne by the speed reducer is larger due to the larger weight of the inertia disc; in addition, the speed reducer needs to be disassembled and assembled for many times in the testing process, so that the assembling process is complicated and time-consuming. Chinese patent CN202121274632.9 is a reducer fatigue life test bench, which comprises a base, a motor, an installation shaft, an inertia disc and a reducer to be tested, the reducer to be tested is in a second through-hole Kong Zhuangyu, and is connected with the inertia disc through a second adapter flange, during disassembly and assembly, only the second adapter flange needs to be disassembled and assembled, the inertia disc does not need to be disassembled and assembled, the operation is simple, the installation is convenient, the time for disassembling and assembling the inertia disc is saved, the working efficiency is improved, in addition, the weights of the inertia disc and the second adapter flange are borne by a bearing, the generated bending moment is borne by the bearing, the reducer to be tested does not bear the bending moment generated by the inertia disc, and the problem that the output end of the reducer to be tested bears the excessive bending moment is solved.

However, the test bench cannot detect the torque value parameters of the output end of the speed reducer, and cannot comprehensively and intuitively know the performance test result of the speed reducer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an inertia loading fatigue life test bench that can direct measurement output torque, at the output erection joint torquemeter of the speed reducer test piece that awaits measuring, detect the moment of torsion value parameter of the speed reducer test piece that awaits measuring through the torquemeter, through the inertial load of inertia device, guarantee the accuracy of testing result.

The utility model discloses a realize through following technical scheme:

the utility model provides a can inertia loading fatigue life test bench of direct measurement output moment of torsion, includes test bench base, drive arrangement, inertia device and the test piece that awaits measuring, drive arrangement, the test piece that awaits measuring are installed on the test bench base, the input shaft of the test piece that awaits measuring links to each other with drive arrangement's output, and the inertia device passes through the bearing and supports on the output shaft of the test piece that awaits measuring, still includes:

the torque meter is connected with the output end of the test piece to be tested;

the hollow shaft is arranged on the test bed base and is coaxial with the output shaft of the test piece to be tested, and the output shaft is positioned in the hollow shaft;

the inertia device is installed on the hollow shaft through a bearing and works along with the driving device to drive the test piece to be tested to drive the inertia device and the torque meter to rotate around the hollow shaft by taking the bearing as a fulcrum.

Furthermore, the torque transmission device also comprises a torque transmission shaft which is arranged in the center of the interior of the hollow shaft, one end of the torque transmission shaft is connected with the output end of the test piece to be tested, and the other end of the torque transmission shaft is connected with a torque meter.

Further, the inertia device is connected with an output shaft of the test piece to be tested on the same side of the torque meter.

Furthermore, the torque meter is a disc type torque meter and comprises a strain sensing device, a rotating speed measuring module, a first connecting port, a second connecting port and a feedback module.

Furthermore, the first connection port and the second connection port can be on the same side or different sides, and the torque meter is connected with the outside through the first connection port or/and the second connection port.

Furthermore, an angle sensor is arranged at the center of the torque meter.

Further, the test bench base includes base and speed reducer installing support, the speed reducer installing support install on the base, the outside casing of the test piece that awaits measuring passes through mounting flange to be fixed on the installing support.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, at the output erection joint moment of torsion appearance of the speed reducer test piece that awaits measuring, detect the moment of torsion value parameter of the speed reducer test piece that awaits measuring through the moment of torsion appearance, through the inertial load of inertia device, guarantee the accuracy of testing result.

2. The utility model discloses well torque meter still includes rotational speed measuring module, angle sensor, can detect rotational speed, a plurality of parameter values of turned angle when detecting the torque value parameter, and the more comprehensive audio-visual performance that realizes the speed reducer that awaits measuring detects.

Drawings

Fig. 1 shows a cross-sectional view of a fatigue life test stand according to an embodiment of the present invention;

fig. 2 shows a schematic structural diagram of a torque meter provided by an embodiment of the present invention;

fig. 3 is a schematic view of the structure connection of the middle torque meter of the present invention.

Description of the drawings: 1. a test bed base; 2. a drive device; 3. an inertia device; 4. a test piece to be tested; 5. an input shaft of a test piece to be tested; 6. a bearing; 7. an output shaft of the test piece to be tested; 8. a torque meter; 9. a hollow shaft; 10. a torque transfer shaft; 11. a strain sensing device; 12. a first connection port; 13. a second connection port; 14. a rotation speed measuring module; 15. an angle sensor; 16. a base; 17. a speed reducer mounting bracket; 18. and (7) mounting a flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, 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, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, e.g., "connected," which may be a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-3, the inertia loading fatigue life test bed comprises a test bed base 1, a driving device 2, an inertia device 3 and a test piece 4 to be tested, wherein the driving device 2 and the test piece 4 to be tested are installed on the test bed base 1, an input shaft of the test piece 4 to be tested is connected with an output end of the driving device 2, the inertia device 3 is supported on an output shaft of the test piece 4 to be tested through a bearing 6, and the inertia loading fatigue life test bed further comprises:

the torque meter 8 is connected with the output end of the test piece 4 to be tested;

the hollow shaft 9 is arranged on the test bed base 1 and is coaxial with the output shaft of the test piece 4 to be tested, and the output shaft is positioned in the hollow shaft 9;

the inertia device 3 is mounted on the hollow shaft 9 through a bearing 6, and works with the driving device 2 to drive the test piece 4 to be tested to drive the inertia device 3 and the torquemeter 8 to rotate around the hollow shaft 9 by taking the bearing 6 as a fulcrum.

The utility model discloses in, at the output erection joint moment of torsion appearance 8 of the speed reducer test piece that awaits measuring, detect the moment of torsion value parameter of the speed reducer test piece that awaits measuring through moment of torsion appearance 8, through inertia load of inertia device 3, guarantee the accuracy of testing result.

As shown in fig. 1 and 2, the technical solution of the present invention is:

the test device further comprises a torque transmission shaft 10 which is arranged in the center of the interior of the hollow shaft 9, one end of the torque transmission shaft 10 is connected with the output end of the test piece 4 to be tested, and the other end of the torque transmission shaft is connected with the torque meter 8.

The output end of the speed reducer test piece to be tested is connected with the torque meter 8 through the torque transmission shaft 10, the torque value parameters of the speed reducer are detected and output through the torque meter 8, and the torque parameter performance of the speed reducer to be tested is connected more visually.

Specifically, the inertia device 3 is connected with the output shaft of the test piece 4 to be tested on the same side of the torque meter 8.

As shown in fig. 2, in the technical solution of the present invention:

the torque meter 8 is a disc type torque meter and comprises a strain sensing device 11, a rotating speed measuring module 14, a first connecting port 12, a second connecting port 13 and a feedback module.

And the data signal detected by the strain sensing device 11 is output through the first connection port 12, and the data signal detected by the rotating speed measuring module 14 is output through the second connection port 13.

Specifically, the first connection port 12 and the second connection port 13 may be on the same side or on different sides, and the torque meter 8 is connected to the outside through the first connection port 12 and the second connection port 13.

And outputting the torque parameter value and the rotating speed parameter value detected by the torque meter 8 to an external server through the first connecting port 12 and the second connecting port 13.

Specifically, an angle sensor 15 is further provided at the center of the torque meter 8.

The utility model discloses well torque meter 8 still includes rotational speed measuring module 14, angle sensor 15, can detect rotational speed, a plurality of parameter values of turned angle when detecting the torque value parameter, and more comprehensive audio-visual realization speed reducer's that awaits measuring performance detects.

As shown in fig. 1, in the technical solution of the present invention:

the test bed base 1 comprises a base 16 and a speed reducer mounting bracket 17, the speed reducer mounting bracket 17 is mounted on the base 16, and an external shell of the test piece 4 to be tested is fixed on the mounting bracket through a mounting flange 18.

Although the present invention discloses the embodiments and the accompanying drawings, those skilled in the art can understand that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and appended claims, and therefore, the scope of the invention is not limited to the disclosure of the embodiments and drawings.

Claims

1. The utility model provides a can direct measurement output torque's inertial loading fatigue life test bench, includes test bench base, drive arrangement, inertia device and the test piece that awaits measuring, drive arrangement, the test piece that awaits measuring are installed on the test bench base, the input shaft of the test piece that awaits measuring links to each other with drive arrangement's output, and the inertia device passes through the bearing and supports on the output shaft of the test piece that awaits measuring, and its characterized in that still includes:

2. The inertia loading fatigue life test bench capable of directly measuring the output torque as claimed in claim 1, further comprising a torque transmission shaft installed in the center of the hollow shaft, wherein one end of the torque transmission shaft is connected with the output end of the test piece to be tested, and the other end of the torque transmission shaft is connected with a torque meter.

3. The inertia-loaded fatigue life test bed capable of directly measuring output torque as claimed in claim 1, wherein the inertia device and the output shaft of the test piece to be measured are connected on the same side of the torquer.

4. The inertia loading fatigue life test bench capable of directly measuring output torque as claimed in claim 1, wherein the torque meter is a disk type torque meter, comprising a strain sensing device, a rotation speed measuring module, a first connection port, a second connection port and a feedback module.

5. The inertia loading fatigue life test bench capable of directly measuring output torque as claimed in claim 4, wherein the first connection port and the second connection port are on the same side or different sides, and the torque meter is connected with the outside through the first connection port or/and the second connection port.

6. An inertia loading fatigue life test bed capable of directly measuring output torque as claimed in claim 4, wherein the center position of the torque meter is further provided with an angle sensor.

7. The inertial loading fatigue life test bench capable of directly measuring output torque as claimed in claim 1, characterized in that the test bench base comprises a base and a speed reducer mounting bracket, the speed reducer mounting bracket is mounted on the base, and the shell of the test piece to be measured is fixed on the mounting bracket through a mounting flange.