CN212989586U - Motor stalling torque testing device - Google Patents
Motor stalling torque testing device Download PDFInfo
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- CN212989586U CN212989586U CN202021603736.5U CN202021603736U CN212989586U CN 212989586 U CN212989586 U CN 212989586U CN 202021603736 U CN202021603736 U CN 202021603736U CN 212989586 U CN212989586 U CN 212989586U
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Abstract
The utility model discloses a motor stalling torque testing arrangement, including motor shaft, motor shaft's the outside is equipped with the arm of force, be connected with the cover that expands between motor shaft and the arm of force, be connected with the sensor connecting plate on the arm of force, one side that the arm of force was kept away from to the sensor connecting plate is connected with pressure sensor, one side that pressure sensor kept away from the arm of force is equipped with lever mechanism, be connected with the bolt between sensor connecting plate and the arm of force, lever mechanism includes the base, one side that the base is close to pressure sensor is equipped with the lever, it is equipped with the round pin axle to insert between base and the lever, the both ends of lever all are equipped with adjusting bolt, the lever rotates with the. The utility model discloses a change stifled centering mode of changeing testing arrangement, the centering process when having simplified and using stifled commentaries on classics testing arrangement has reduced the error that the centering in-process produced to a certain extent to the influence of test result, has improved the centering degree of accuracy.
Description
Technical Field
The utility model belongs to the technical field of the machine-building, concretely relates to motor stalling torque testing arrangement.
Background
The driving motor locked-rotor device mainly adopts manual centering and manual clamping modes, and has the following specific structure: the test jig comprises a test jig, a switching disc, a coupler and horizontal and vertical fixing blocks. The bottom plate of test jig is fixed with test bench cast iron platform, and the switching dish passes through the bolt to be connected with the test jig, and the shaft coupling is with stifled commentaries on classics testing arrangement and driving motor output shaft to carry out subsequent stifled commentaries on classics test.
The existing locked rotor testing device adjusts the horizontal and vertical movement of the adapter plate by adjusting bolts on horizontal and vertical fixing blocks when a motor is centered, and a dial indicator is used for measuring the end faces and concentricity of a coupler and a motor output shaft, so that the error of the coupler and the motor output shaft is kept within an allowable range, and the motor is centered.
However, in the centering mode, a hammer is required to beat the test frame, and the problem of uncontrollable adjustment amount caused by uncontrollable beating force is solved, so that the centering time of the motor is prolonged; secondly, after the centering is finished, the tightening work of about 16 bolts needs to be finished manually, the operation workload is large, and the centering parameters are deviated due to excessive force in the tightening process and exceed the allowable value; finally, the accuracy of motor centering is low, which results in large shaking amount in the running process of the motor, complex centering process and large error.
Therefore, in view of the above technical problems, it is necessary to provide a motor stalling torque testing device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor stalling torque testing arrangement to solve the comparatively complicated and easy big problem of error that exists of above-mentioned stalling testing arrangement centering process.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
the utility model provides a motor stalling torque testing arrangement, includes the motor shaft, the outside of motor shaft is equipped with the arm of force, be connected with the cover that expands between motor shaft and the arm of force, be connected with the sensor connecting plate on the arm of force, one side that the arm of force was kept away from to the sensor connecting plate is connected with pressure sensor, one side that pressure sensor kept away from the arm of force is equipped with lever mechanism.
Furthermore, a bolt is connected between the sensor connecting plate and the force arm, so that the position of the sensor connecting plate can be conveniently fixed.
Further, the lever mechanism comprises a base, a lever is arranged on one side, close to the pressure sensor, of the base, a pin shaft is inserted between the base and the lever, and adjusting bolts are arranged at two ends of the lever.
Furthermore, the lever is rotatably connected with the base, so that the test error is conveniently reduced.
Furthermore, the two ends of the lever are both provided with internal threads matched with the adjusting bolt in a chiseling mode, and the adjusting bolt can move in the lever conveniently.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a change stifled centering mode of changeing testing arrangement, the centering process when having simplified and using stifled commentaries on classics testing arrangement has reduced the error that the centering in-process produced to a certain extent to the influence of test result, has improved the centering degree of accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a motor stalling torque testing device in an embodiment of the present invention;
fig. 2 is a front view of an electric motor locked-rotor torque testing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a position a in fig. 2 according to an embodiment of the present invention.
In the figure: 1. the device comprises a motor rotating shaft, a force arm 2, an expansion sleeve 3, a sensor connecting plate 4, a pressure sensor 5, a lever mechanism 6, a base 601, a lever 602, a pin 603, a pin 604 and an adjusting bolt.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.
The utility model discloses a motor locked-rotor torque testing device, refer to fig. 1-3, including a motor shaft 1, the outside of the motor shaft 1 is provided with an arm of force 2, the length and angle of the arm of force 2 can be adjusted according to the testing environment, the environmental adaptability of the device is improved, an expansion sleeve 3 is connected between the motor shaft 1 and the arm of force 2, the joint of the arm of force 2 and the expansion sleeve 3 is in a ring shape, the ring radius can be adjusted along with the shaft diameter of the motor shaft 1, the motor shaft 1 suitable for different shaft diameters of the motor shaft 1 is fixed when in use, the tested motor is fixed, the arm of force 2 is connected with the motor shaft 1 through the expansion sleeve 3, a sensor connecting plate 4 is connected on the arm of force 2, a bolt is connected between the sensor connecting plate 4 and the arm of force 2, the position of the sensor connecting plate 4 is convenient for fixing the arm of, the pressure sensor is connected with laboratory equipment, so that the acting force on the force arm 2 can be conveniently measured.
Referring to fig. 2-3, a lever mechanism 6 is disposed on a side of the pressure sensor 5 away from the force arm 2, the lever mechanism 6 includes a base 601, a lever 602 is disposed on a side of the base 601 close to the pressure sensor 5, the base 601 is connected to the lever 602 and has a fixing function, the shape of the base can be adjusted according to a field situation, the lever 602 is rotatably connected to the base 601, the length of the lever 602 at two ends of a fulcrum of the lever 602 can be changed according to a required torque, a field size and a measuring range of the pressure sensor 5, the measuring range of the locked-rotor torque of the motor is enlarged by using the lever 602, internal threads matched with adjusting bolts 604 are formed at two ends of the lever 602, a pin shaft 603 is inserted between the base 601 and the lever 602, the adjusting bolts 604 are disposed at two ends of the lever 602, so that an initial position of the force arm 2 can be adjusted by rotating the adjusting bolts 604, the adjusting bolts 604 are respectively contacted with the force arm 2 and the pressure sensor 5.
When the motor locked-rotor torque is measured, the motor is started, the motor rotating shaft 1 drives the power arm 2 to rotate, the base 601 and the lever 602 play a role in blocking the force arm 2 to form a motor locked-rotor phenomenon, and at the moment, the pressure sensor 5 and display data in subsequent reading rotation are calculated to obtain the motor locked-rotor torque.
According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:
the utility model discloses a change stifled centering mode of changeing testing arrangement, the centering process when having simplified and using stifled commentaries on classics testing arrangement has reduced the error that the centering in-process produced to a certain extent to the influence of test result, has improved the centering degree of accuracy.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a motor stalling torque testing arrangement, includes motor shaft (1), its characterized in that, the outside of motor shaft (1) is equipped with the arm of force (2), be connected with expansion sleeve (3) between motor shaft (1) and the arm of force (2), be connected with sensor connecting plate (4) on the arm of force (2), one side that the arm of force (2) was kept away from in sensor connecting plate (4) is connected with pressure sensor (5), one side that the arm of force (2) was kept away from in pressure sensor (5) is equipped with lever mechanism (6).
2. The motor stalling torque testing device according to claim 1, wherein a bolt is connected between the sensor connecting plate (4) and the force arm (2).
3. The motor stalling torque testing device according to claim 1, wherein the lever mechanism (6) comprises a base (601), a lever (602) is arranged on one side of the base (601) close to the pressure sensor (5), a pin shaft (603) is inserted between the base (601) and the lever (602), and adjusting bolts (604) are arranged at two ends of the lever (602).
4. The motor stalling torque testing device according to claim 3, wherein the lever (602) is rotatably connected with the base (601).
5. The motor stalling torque test device according to claim 3, wherein the two ends of the lever (602) are both chiseled with internal threads matched with the adjusting bolt (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021603736.5U CN212989586U (en) | 2020-08-05 | 2020-08-05 | Motor stalling torque testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021603736.5U CN212989586U (en) | 2020-08-05 | 2020-08-05 | Motor stalling torque testing device |
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| Publication Number | Publication Date |
|---|---|
| CN212989586U true CN212989586U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021603736.5U Active CN212989586U (en) | 2020-08-05 | 2020-08-05 | Motor stalling torque testing device |
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| CN (1) | CN212989586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264405A (en) * | 2021-12-29 | 2022-04-01 | 山东欧瑞安电气有限公司 | Large-torque sensor calibration device and calibration method thereof |
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2020
- 2020-08-05 CN CN202021603736.5U patent/CN212989586U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264405A (en) * | 2021-12-29 | 2022-04-01 | 山东欧瑞安电气有限公司 | Large-torque sensor calibration device and calibration method thereof |
| CN114264405B (en) * | 2021-12-29 | 2022-10-14 | 山东欧瑞安电气有限公司 | Large-torque sensor calibration device and calibration method thereof |
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