CN215005511U - Split type motor performance test tool structure - Google Patents
Split type motor performance test tool structure Download PDFInfo
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- CN215005511U CN215005511U CN202120870141.4U CN202120870141U CN215005511U CN 215005511 U CN215005511 U CN 215005511U CN 202120870141 U CN202120870141 U CN 202120870141U CN 215005511 U CN215005511 U CN 215005511U
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Abstract
The utility model relates to a split type motor performance test frock structure, including unit mount dish, supporting disk, connecting axle and rotor installation axle, unit mount dish, supporting disk all are provided with the centre bore, the connecting axle is the hollow shaft, and the both ends of connecting axle link to each other with the centre bore of unit mount dish and supporting disk respectively, the rotor installation axle is rotationally installed in the connecting axle, and the connecting axle is stretched out at the both ends of rotor installation axle. During the test, link to each other the one end of rotor installation axle with the pivot of testboard, the rotor of other end installation by the test motor, the rotor installation axle is supported by the mounting disk, the supporting member that supporting disk and connecting axle are constituteed, replace the cantilever beam structure among the prior art, can avoid the rotor installation axle at the disturbance that the pivoted in-process produced, prevent stator and rotor mutual interference and wearing and tearing, avoid appearing the uneven condition of air gap among the rotor rotation process simultaneously, improve motor performance test's accuracy.
Description
Technical Field
The utility model belongs to the technical field of split type motor test equipment and specifically relates to a split type motor performance test frock structure.
Background
The motor stator and the rotor of the split motor are separated, and a front mounting shell and a bearing are reduced on the basis of the original integral motor, so that the production cost of the motor is reduced. Due to the change of the motor structure, the performance calibration of the motor is difficult. Split type motor stator dress is on the mounting disc, and this is unanimous with the same mounting method of integral motor, and what the difference is that the rotor assembly of components of a whole that can function independently motor is in the axis of rotation of testboard, and the bearing support face of general testboard axis of rotation has 40 ~ 200 mm's distance to rotor installation face, and this end of rotor does not have the strong point, and rotor and test shaft constitute a cantilever beam like this, will appear a lot of problems in the test process: firstly, a rotor rotates at a high speed, a cantilever beam has a certain disturbance degree, and when the disturbance degree is greater than an air gap between a stator and a rotor of a motor, the rotor and the stator interfere with each other, so that the stator and the rotor are abraded, the motor calibration result is influenced, and the motor is burnt even more seriously; and secondly, the concentricity of the stator and the rotor is poor, so that the concentricity is not good, the air gap is uneven in the rotation process of the rotor, and the calibration result of the motor is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a split type motor performance test frock structure is provided, prevent that the problem of air gap inequality, rotor and stator interference wearing and tearing from appearing in the testing process.
The utility model provides a technical scheme that its technical problem adopted is: split type motor performance test frock structure, including unit mount dish, supporting disk, connecting axle and rotor installation axle, unit mount dish, supporting disk all are provided with the centre bore, the connecting axle is the hollow shaft, and the both ends of connecting axle link to each other with the centre bore of unit mount dish and supporting disk respectively, the rotor installation axle is rotationally installed in the connecting axle, and the connecting axle is stretched out at the both ends of rotor installation axle.
Furthermore, two ends of the connecting shaft are respectively connected with the integral mounting disc and the supporting disc in a welding mode.
Furthermore, an auxiliary connecting sleeve is arranged between the integral mounting disc and the supporting disc, and two ends of the auxiliary connecting sleeve are respectively connected with the integral mounting disc and the supporting disc through bolts.
Further, the rotor mounting shaft is mounted in the connecting shaft through a bearing, and the bearing is in interference fit with the connecting shaft.
Further, the number of the bearings is two, and the distance between the two bearings is 1.5 times of the outer diameter of the bearing.
Further, the outer side wall of the integral mounting disc is provided with a spigot.
Further, a connecting seat is arranged at one end, located on the integral mounting disc, of the rotor mounting shaft.
Further, the rotor mounting shaft is connected with the connecting seat through a spline.
Further, the one end that rotor installation axle is located the supporting disk is provided with the rotor mounting disc, rotor mounting disc and rotor installation axle integrated into one piece.
The utility model has the advantages that: during the test, link to each other the one end of rotor installation axle with the pivot of testboard, the rotor of other end installation by the test motor, the rotor installation axle is supported by the mounting disk, the supporting member that supporting disk and connecting axle are constituteed, replace the cantilever beam structure among the prior art, can avoid the rotor installation axle at the disturbance that the pivoted in-process produced, prevent stator and rotor mutual interference and wearing and tearing, avoid appearing the uneven condition of air gap among the rotor rotation process simultaneously, improve motor performance test's accuracy.
Drawings
Fig. 1 is a schematic view of the present invention;
reference numerals: 1-integral mounting plate; 3, a bearing; 5, connecting the shaft; 6-a support disc; 7-rotor mounting shaft; 8, auxiliary connecting sleeve; 9-spigot; 10-rotor mounting disc; 11-connecting seat.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, the utility model discloses a split type motor performance test frock structure, including unit mount dish 1, supporting disk 6, connecting axle 5 and rotor installation axle 7, unit mount dish 1, supporting disk 6 all are provided with the centre bore, connecting axle 5 is the hollow shaft, and the both ends of connecting axle 5 link to each other with the centre bore of unit mount dish 1 and supporting disk 6 respectively, rotor installation axle 7 rotationally installs in connecting axle 5, and the connecting axle 5 is stretched out at the both ends of rotor installation axle 7.
The integral installation disc 1 is used for integrally installing the tool on the test board, so that the tool is stable. In order to ensure the precise matching of the tool and the test board and ensure that the mounting position is more accurate, the outer side wall of the integral mounting disc 1 is provided with a spigot 9, the spigot 9 can be a boss and is matched with a groove on the test board to play a role in positioning, so that the tool can be rapidly and accurately mounted in place.
The rotor mounting shaft 7 is used for connecting the rotating shaft of the test bench and the rotor of the tested motor, so that the power of the rotating shaft of the test bench is transmitted to the rotor of the tested motor. In order to facilitate the connection of one end of the rotor mounting shaft 7 with the rotating shaft of the test bench and the connection of the other end with the rotor of the tested motor, the connecting seat 11 is arranged at one end of the rotor mounting shaft 7 located on the integral mounting disc 1, the connecting seat 11 can be connected with the rotor mounting shaft 7 through screws and the like, and is preferable, and the rotor mounting shaft 7 is connected with the connecting seat 11 through a spline. The one end that rotor installation axle 7 is located supporting disk 6 is provided with rotor mounting disc 10, rotor mounting disc 10 and rotor installation axle 7 integrated into one piece. During the test, link to each other connecting seat 11 and testboard pivot, it can to install the rotor of the motor under test on rotor mounting disc 10. Because the rotor mounting disk 10 and the rotor mounting shaft 7 are integrally formed, the rotor mounting disk 10 can be machined by taking the rotor mounting shaft 7 as a reference during machining, and the form and position tolerance between the rotor mounting disk 10 and the rotor mounting shaft 7 is ensured.
The supporting disk 6 is used for installing the stator of the tested motor, the positioning pin holes are formed in the supporting disk 6, the rotor is installed on the rotor installation disk 10 firstly during testing, and then the stator is installed on the supporting disk 6 through the positioning pins, and testing can be conducted.
Supporting disk 6, integral erection dish 1 and connecting axle 5 are used for supporting rotor installation axle 7, thereby support through the both ends to rotor installation axle 7 and make rotor installation axle 7 remain stable, replace current cantilever beam structure, prevent to produce great disturbance at the pivoted in-process, avoid being surveyed between rotor and the stator mutual interference, friction and influence the accuracy of test.
The two ends of the connecting shaft 5 can be connected with the integral mounting disc 1 and the supporting disc 6 by conventional connecting modes such as bolt connection and the like, and the preferable technical scheme is as follows: the two ends of the connecting shaft 5 are respectively welded with the integral mounting disc 1 and the supporting disc 6, and the welding connection strength is high.
During the test, rotor installation axle 7 rotates, and in order to reduce the frictional resistance when rotating, rotor installation axle 7 passes through bearing 3 to be installed in connecting axle 5, bearing 3 and connecting axle 5 interference fit. The inner hole of the rotor mounting shaft 7 is a bearing hole, and the bearing 3 can reduce friction force and ensure smooth rotation motion. Because bearing 3 and connecting axle 5 interference fit have eliminated the clearance between bearing 3 and the rotor installation axle 7 promptly, ensure the stability when rotor installation axle 7 rotates, reduce the disturbance, avoid appearing the uneven condition of air gap simultaneously. The number of the bearings 3 is two, the distance between the two bearings 3 is 1.5 times of the outer diameter of the bearing 3, one of the two bearings 3 is close to the supporting disk 6, the other one of the two bearings is close to the integral mounting disk 1, the shorter the distance from the bearing 3 close to the supporting disk 6 to the rotor mounting disk 10 is, the smaller the disturbance degree of the rotor mounting shaft 7 is, and the smaller the influence on the performance calibration result of the motor is, so that the bearing 3 close to the supporting disk 6 should be close to the rotor mounting disk 10 as much as possible.
In order to control the shape and position tolerance between the inner hole of the connecting shaft 5, the spigot 9 and the positioning pin hole on the supporting plate 6 and ensure the assembly precision of the rotor, the stator and the rotor mounting shaft 7 during the test, when the inner hole of the connecting shaft 5, the spigot 9 and the positioning pin hole on the supporting plate 6 are processed, the supporting plate 6, the connecting shaft 5 and the integral mounting plate 1 are firstly respectively processed, then the supporting plate 6, the connecting shaft 5 and the integral mounting plate 1 are connected into a whole, then the inner hole of the connecting shaft 5, the spigot 9 and the positioning pin hole on the supporting plate 6 are processed on the whole, the shape and position tolerance can be reduced, the matching error of each part during the test is smaller, and the influence on the test accuracy is reduced.
In order to facilitate clamping of the whole body formed by the supporting disk 6, the connecting shaft 5 and the integral mounting disk 1 during machining, an auxiliary connecting sleeve 8 is arranged between the integral mounting disk 1 and the supporting disk 6, and two ends of the auxiliary connecting sleeve 8 are connected with the integral mounting disk 1 and the supporting disk 6 through bolts respectively. During processing, the auxiliary connecting sleeve 8 can be clamped, then two end faces are processed, and then an inner hole of the connecting shaft 5, the spigot 9 and a positioning pin hole in the supporting plate 6 are processed. After the processing is finished, the auxiliary connecting sleeve 8 can be detached.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Split type motor capability test frock structure, its characterized in that: including unit mount dish (1), supporting disk (6), connecting axle (5) and rotor installation axle (7), unit mount dish (1), supporting disk (6) all are provided with the centre bore, connecting axle (5) are the hollow shaft, and the both ends of connecting axle (5) link to each other with the centre bore of unit mount dish (1) and supporting disk (6) respectively, rotor installation axle (7) rotationally install in connecting axle (5), and the both ends of rotor installation axle (7) stretch out connecting axle (5).
2. The split type motor performance test tool structure of claim 1, characterized in that: and two ends of the connecting shaft (5) are respectively welded with the integral mounting disc (1) and the supporting disc (6).
3. The split type motor performance test tool structure of claim 1, characterized in that: the rotor mounting shaft (7) is mounted in the connecting shaft (5) through a bearing (3), and the bearing (3) is in interference fit with the connecting shaft (5).
4. The split type motor performance test tool structure of claim 1, characterized in that: an auxiliary connecting sleeve (8) is arranged between the integral mounting disc (1) and the supporting disc (6), and two ends of the auxiliary connecting sleeve (8) are connected with the integral mounting disc (1) and the supporting disc (6) through bolts respectively.
5. The split type motor performance test tool structure of claim 3, characterized in that: the number of the bearings (3) is two, and the distance between the two bearings (3) is 1.5 times of the outer diameter of the bearings (3).
6. The split type motor performance test tool structure of claim 1, 2, 3, 4 or 5, characterized in that: the outer side wall of the integral mounting disc (1) is provided with a spigot (9).
7. The split type motor performance test tool structure of claim 1, 2, 3, 4 or 5, characterized in that: and a connecting seat (11) is arranged at one end of the rotor mounting shaft (7) positioned on the integral mounting disc (1).
8. The split type motor performance test tool structure of claim 7, characterized in that: the rotor mounting shaft (7) is connected with the connecting seat (11) through a spline.
9. The split type motor performance test tool structure of claim 1, characterized in that: the one end that rotor installation axle (7) are located supporting disk (6) is provided with rotor mounting disc (10), rotor mounting disc (10) and rotor installation axle (7) integrated into one piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120870141.4U CN215005511U (en) | 2021-04-26 | 2021-04-26 | Split type motor performance test tool structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120870141.4U CN215005511U (en) | 2021-04-26 | 2021-04-26 | Split type motor performance test tool structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215005511U true CN215005511U (en) | 2021-12-03 |
Family
ID=79091976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120870141.4U Active CN215005511U (en) | 2021-04-26 | 2021-04-26 | Split type motor performance test tool structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215005511U (en) |
-
2021
- 2021-04-26 CN CN202120870141.4U patent/CN215005511U/en active Active
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