Testing device for cast-aluminum rotor

Abstract

The utility model belongs to the technical field of testing devices, and particularly relates to a testing device for a cast-aluminum rotor, which comprises a testing table and a placing plate arranged above the testing table. The positioning shaft is arranged in the middle of the placing plate and is used for positioning the cast-aluminum rotor; the at least three digital display dial indicators are arranged on one side of the positioning shaft so as to test and upload different height positions of the cast-aluminum rotor; the three-color lamp is arranged on the test board; the placement plate is suitable for driving the positioning shaft to rotate during rotation so as to drive the cast-aluminum rotor to rotate through the positioning shaft; the main control module is electrically connected with each digital dial indicator and the tricolor lamp; the main control module is suitable for acquiring test data uploaded by each digital display dial indicator and controlling the three-color lamp to light the lamp with the corresponding color according to the test data, and the test device for the cast-aluminum rotor acquires the test data uploaded by each digital display dial indicator through the main control module and controls the three-color lamp to light the lamp with the corresponding color according to the test data. Therefore, the effects of high-efficiency testing and intuition are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of testing devices, and particularly relates to a testing device for cast aluminum rotors. Background Technique

[0002] The cast aluminum rotor is one of the main components of an AC asynchronous motor. Its quality has a great influence on the starting performance and running performance of the motor. The unbalance (centrifugal force and centrifugal couple) generated when the rotor rotates will cause the rotor to vibrate laterally. After the rotor bears unnecessary dynamic loads, it will generate vibration and noise, affecting the user experience. To avoid the above problems, various tests need to be carried out on the cast aluminum rotor before leaving the factory to ensure that the cast aluminum rotor can be used normally.

[0003] The existing testing device for shaft runout testing of the rotor generally includes the following steps. First, the rotor is set on the rotating bracket, then the rotor is driven to rotate, and then the test piece is used to test the runout of different positions of the rotor. Adjustment is required every time a position is completed, and the testing efficiency is low.

[0004] Therefore, to solve the above problems, it is necessary to design a testing device for cast aluminum rotors. Content of the Utility Model

[0005] The purpose of the utility model is to provide a testing device for cast aluminum rotors to solve the technical problem of low testing efficiency of the existing testing device.

[0006] To solve the above technical problems, the utility model provides a testing device for cast aluminum rotors, including:

[0007] A test bench and a placement plate arranged above the test bench;

[0008] A positioning shaft arranged in the middle of the placement plate to position the cast aluminum rotor;

[0009] At least three digital display dial indicators arranged on one side of the positioning shaft to test and upload different height positions of the cast aluminum rotor;

[0010] A three-color lamp arranged on the test bench;

[0011] The placement plate is adapted to drive the positioning shaft to rotate when rotating, so as to drive the cast aluminum rotor to rotate through the positioning shaft;

[0012] A main control module electrically connected to each digital display dial indicator and the three-color lamp; where

[0013] The main control module is adapted to obtain the test data uploaded by each digital display dial indicator and control the three-color lamp to light up the corresponding color lamp according to the test data.

[0014] Furthermore, a motor is arranged at the bottom of the test bench; where

[0015] The motor is adapted to drive the placement plate to rotate.

[0016] Furthermore, a first positioning block is provided on the arc surface of the positioning shaft;

[0017] A positioning cylinder is sleeved outside the positioning shaft;

[0018] A concave portion adapted to the first positioning block is provided inside the positioning cylinder;

[0019] A second positioning block is provided on the arc surface of the positioning cylinder.

[0020] Furthermore, a plurality of support columns are provided on the top of the test bench;

[0021] A support plate is provided on the top of each support column;

[0022] A first telescopic member is provided on the top of the support plate;

[0023] A connecting plate is provided at the bottom of the support plate;

[0024] A bearing is provided at the bottom of the connecting plate;

[0025] The first telescopic member is connected to the connecting plate to drive the bearing on the connecting plate to move downward.

[0026] Furthermore, two slide rails are provided on the top of the test bench;

[0027] A slide plate is provided on the two slide rails;

[0028] Each digital display micrometer is stacked on the slide plate;

[0029] A second telescopic member is provided on the top of the test bench; wherein

[0030] The second telescopic member is connected to the slide plate; and

[0031] The second telescopic member is adapted to drive the slide plate to slide on the slide rail when telescoping.

[0032] Furthermore, a plurality of limiting arc plates are provided on the slide plate; wherein

[0033] Each limiting arc plate is adapted to limit the digital display micrometer.

[0034] Furthermore, a cushion plate is provided between adjacent digital display micrometers;

[0035] Two positioning columns are provided on the slide plate; wherein

[0036] The cushion plate is sleeved on the two positioning columns.

[0037] The beneficial effects of the present utility model are:

[0038] (1) In the present utility model, the cast aluminum rotor is sleeved on the positioning shaft, the second telescopic member is controlled to extend, the second telescopic member drives the sliding plate to slide on the sliding rail, the sliding plate drives the digital display micrometer in the limiting arc plate to contact the arc surface of the cast aluminum rotor. At this time, the motor is started, and the motor drives the placing plate, the positioning shaft and the cast aluminum rotor to rotate slowly. At this time, the digital display micrometer performs a circular runout test on the cast aluminum rotor, and uploads the test data to the main control module. The main control module controls the three-color lamp to light up the corresponding color lamp according to the change of the test data, so as to obtain the test result according to the lit color lamp, thereby achieving the effects of efficient testing and intuitiveness.

[0039] Other features and advantages of the present utility model will be described in the subsequent specification, and partly will be obvious from the specification, or will be understood by implementing the present utility model. The objectives and other advantages of the present utility model are achieved and obtained by the structures specifically pointed out in the specification and the drawings.

[0040] In order to make the above-mentioned objectives, features and advantages of the present utility model more obvious and understandable, the following specifically enumerates preferred embodiments and, in conjunction with the accompanying drawings, the detailed description is as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0042] Figure 1 is a three-dimensional view of the preferred embodiment of the whole of the present utility model Figure 1 ;

[0043] Figure 2 is a three-dimensional view of the preferred embodiment of the whole of the present utility model Figure 2 .

[0044] In the figure:

[0045] test bench 1, placing plate 2, positioning shaft 3, digital display micrometer 4, three-color lamp 5, motor 6, first positioning block 7, positioning cylinder 8, second positioning block 9, support column 10, support plate 11, first telescopic member 12, connecting plate 13, bearing 14, sliding rail 15, sliding plate 16, second telescopic member 17, limiting arc plate 18, backing plate 19, positioning post 20. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0046] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. Embodiment 1

[0047] As Figure 1 、 Figure 2 shown, this embodiment provides a testing device for a cast aluminum rotor, including:

[0048] A test bench 1 and a placement plate 2 arranged above the test bench 1; A positioning shaft 3 arranged in the middle of the placement plate 2 for positioning the cast aluminum rotor; At least three digital micrometers 4 arranged on one side of the positioning shaft 3 for testing and uploading different height positions of the cast aluminum rotor; A three-color lamp 5 arranged on the test bench 1; The placement plate 2 is adapted to drive the positioning shaft 3 to rotate when rotating, so as to drive the cast aluminum rotor to rotate through the positioning shaft 3; A main control module electrically connected to each digital micrometer 4 and the three-color lamp 5; Wherein the main control module is adapted to obtain the test data uploaded by each digital micrometer 4 and control the three-color lamp 5 to light up a corresponding color lamp according to the test data; Wherein the placement plate 2 is most preferably circular; Wherein the main control module is controlled by, but not limited to, a PLC.

[0049] A motor 6 is arranged at the bottom of the test bench 1; Wherein the motor 6 is adapted to drive the placement plate 2 to rotate.

[0050] Two slide rails 15 are arranged on the top of the test bench 1; A slide plate 16 is arranged on the two slide rails 15; Each digital micrometer 4 is stacked on the slide plate 16; A second telescopic member 17 is arranged on the top of the test bench 1; Wherein the second telescopic member 17 is connected to the slide plate 16; And the second telescopic member 17 is adapted to drive the slide plate 16 to slide on the slide rail 15 when telescoping; Wherein the second telescopic member 17 is, but not limited to, a cylinder.

[0051] A plurality of limiting arc plates 18 are arranged on the slide plate 16; Wherein each limiting arc plate 18 is adapted to limit the digital micrometer 4.

[0052] A spacer 19 is arranged between adjacent digital micrometers 4; Two positioning columns 20 are arranged on the slide plate 16; Wherein the spacer 19 is sleeved on the two positioning columns 20; By arranging the spacer 19, the test spacing between each digital micrometer 4 can be adjusted; By arranging the positioning columns 20, the effect of limiting the spacer 19 can be achieved.

[0053] In this embodiment, by sleeving the cast aluminum rotor on the positioning shaft 3, controlling the second telescopic member 17 to extend, the second telescopic member 17 drives the sliding plate 16 to slide on the sliding rail 15, and the sliding plate 16 drives the digital display micrometer 4 in the limiting arc plate 18 to contact the arc surface of the cast aluminum rotor. At this time, the motor 6 is started, and the motor 6 drives the placement plate 2, the positioning shaft 3 and the cast aluminum rotor to rotate slowly. At this time, the digital display micrometer 4 performs a circular runout test on the cast aluminum rotor and uploads the test data to the main control module. The main control module controls the three-color lamp 5 to light up the corresponding color lamp according to the change of the test data, so as to obtain the test result according to the lit color lamp, thereby achieving the effects of efficient testing and intuitiveness. Embodiment 2

[0054] As Figure 1 、 Figure 2 shown, on the basis of Embodiment 1, this Embodiment 2 includes:

[0055] A first positioning block 7 is provided on the arc surface of the positioning shaft 3; a positioning cylinder 8 is sleeved outside the positioning shaft 3; a concave portion adapted to the first positioning block 7 is provided inside the positioning cylinder 8; a second positioning block 9 is provided on the arc surface of the positioning cylinder 8; by providing the positioning cylinder 8, the effect of adapting to different cast aluminum rotors is achieved. Embodiment 3

[0056] As Figure 1 、 Figure 2 shown, on the basis of Embodiment 1, this Embodiment 3 includes:

[0057] A plurality of support columns 10 are provided on the top of the test bench 1; a support plate 11 is provided on the top of each support column 10; a first telescopic member 12 is provided on the top of the support plate 11; a connecting plate 13 is provided at the bottom of the support plate 11; a bearing 14 is provided at the bottom of the connecting plate 13; the first telescopic member 12 is connected to the connecting plate 13 to drive the bearing 14 on the connecting plate 13 to move downward; it is most preferable to set four support columns 10; the first telescopic member 12 is preferably but not limited to a cylinder.

[0058] In this embodiment, by controlling the first telescopic member 12 to extend, the first telescopic member 12 drives the connecting plate 13 and the bearing 14 to move downward. When the bearing 14 can be sleeved on the positioning shaft 3, the positioning shaft 3 is not inclined and the test result is standard. When the bearing 14 cannot be sleeved on the positioning shaft 3, the positioning shaft 3 is inclined and the test result cannot be adopted.

[0059] Each device (components without specific structures described) selected in this application is a general standard component or a component known to those skilled in the art, and its structure and principle can be known by those skilled in the art through technical manuals or obtained through conventional experimental methods.

[0060] In the description of the embodiments of the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", and "coupling" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model may be understood according to specific circumstances.

[0061] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0062] In several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other ways. The device embodiments described above are only illustrative. For example, the division of the units is only a logical function division, and there may be other division methods in actual implementation. For another example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Another point is that the displayed or discussed mutual coupling, direct coupling, or communication connection may be through some communication interfaces. The indirect coupling or communication connection of the devices or units may be in an electrical, mechanical, or other form.

[0063] The units described as separate components may or may not be physically separated. The components displayed as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0064] In addition, the functional units in the various embodiments of the present utility model may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

[0065] Inspired by the above-described ideal embodiments of the present utility model, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A testing device for cast aluminum rotor, characterized in that: include: A test bench (1) and a placement plate (2) arranged above the test bench (1); A positioning shaft (3) is arranged in the middle of the placement plate (2) to position the cast aluminum rotor; At least three digital micrometers (4) are arranged on one side of the positioning shaft (3) to test and upload the different height positions of the cast aluminum rotor; A three-color lamp (5) is arranged on the test bench (1); The placement plate (2) is suitable for driving the positioning shaft (3) to rotate when rotating, so as to drive the cast aluminum rotor to rotate through the positioning shaft (3); The main control module is electrically connected to each digital display micrometer (4) and the three-color light (5); wherein The main control module is suitable for acquiring the test data uploaded by each digital display micrometer (4), and controlling the three-color lamp (5) to light up the corresponding color according to the test data.

2. The test device for cast aluminum rotor according to claim 1, characterized in that: A motor (6) is provided at the bottom of the test bench (1); wherein The motor (6) is suitable for driving the placement plate (2) to rotate.

3. The test device for cast aluminum rotor according to claim 2, characterized in that: A first positioning block (7) is provided on the arc surface of the positioning shaft (3); A positioning cylinder (8) is sleeved on the outer side of the positioning shaft (3); The inner side of the positioning cylinder (8) is provided with a recessed portion adapted to the first positioning block (7); A second positioning block (9) is provided on the arc surface of the positioning cylinder (8).

4. The test device for cast aluminum rotor according to claim 3, characterized in that: A plurality of support columns (10) are provided on the top of the test bench (1); A support plate (11) is provided on the top of each support column (10); A first telescopic member (12) is provided on the top of the support plate (11); A connecting plate (13) is provided at the bottom of the support plate (11); A bearing (14) is provided at the bottom of the connecting plate (13); The first telescopic member (12) is connected to the connecting plate (13) to drive the bearing (14) on the connecting plate (13) to move downward.

5. The test device for cast aluminum rotor according to claim 4, characterized in that: The top of the test bench (1) is provided with two slide rails (15); A slide plate (16) is provided on the two slide rails (15); Each of the digital dial gauges (4) is stacked on a slide plate (16); A second telescopic member (17) is provided on the top of the test bench (1); wherein The second telescopic member (17) is connected to the slide plate (16); and The second telescopic member (17) is suitable for driving the slide plate (16) to slide on the slide rail (15) when telescoping.

6. The test device for cast aluminum rotor according to claim 5, characterized in that: The slide plate (16) is provided with a plurality of limit arc plates (18); wherein Each of the limit arc plates (18) is suitable for limiting the position of the digital micrometer (4).

7. The test device for cast aluminum rotor according to claim 6, characterized in that: A backing plate (19) is provided between adjacent digital dial indicators (4); The slide plate (16) is provided with two positioning posts (20); wherein The pad (19) is sleeved on the two positioning columns (20).

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