Complete motor comprehensive testing machine

Abstract

The utility model relates to a motor complete machine comprehensive test machine. The device comprises a base, a motor mounting seat, an electric signal tester and a vibration tester, a horizontal sliding rail is arranged on the base, the motor mounting seat is in sliding fit with the sliding rail, and a plurality of specifications of positioning holes are formed in the motor mounting seat; a lifter and a lifting beam are further arranged on the base, an elastic rubber ring is arranged on the lifting beam, a pipe sleeve is fixed on the elastic rubber ring, a rotating bearing is fixed in the pipe sleeve, a shaft sleeve is inserted in the rotating bearing, a detection terminal of the vibration tester is connected with the pipe sleeve, and a horizontal insertion cavity is formed in the shaft sleeve. According to the utility model, the mounting posture of the motor is restrained through the lifter and the motor mounting seat, and then the elastic rubber ring can enable the position of the rotating bearing to be adaptively changed through the deformation of the elastic rubber ring, so that the output shaft, the shaft sleeve, the rotating bearing and the pipe sleeve of the motor are all in a completely coaxial state, and the detected data can truly reflect the performance of the motor. The detection result is reliable.

Description

Technical Field

[0001] The utility model relates to a motor testing device, in particular to a comprehensive testing machine for a complete motor. Background Art

[0002] Motors are widely used in both industrial production and everyday life. To ensure reliable motor performance, all motors undergo quality inspection before leaving the factory. Quality inspection, especially motor performance and quality inspection, is particularly important. This includes checking whether the motor's quality meets standards and confirming whether the motor's various technical specifications meet the requirements. Therefore, testing equipment is required during the motor quality inspection process. The motor to be inspected needs to be fixed to the testing equipment before various tests are performed. For example, during a motor shaft vibration test, the motor's shaft needs to be docked with the mechanism to be inspected, and the motor body also needs to be fixed. However, due to the varying sizes of motors of different models, conventional fixing methods are not feasible.

[0003] To this end, someone has disclosed a device called "A Complete Motor Test Device" (CN217739407U). By providing a vertical adjustment mechanism and a lateral adjustment mechanism, the device achieves horizontal adjustment of the motor's installation position and height adjustment of the test bearing seat, thereby adapting to the testing of motors of different models and sizes. However, this testing method is subject to significant errors. Even if the vertical and lateral adjustment mechanisms are used to adjust the coaxiality of the motor shaft and the test shaft, the coaxiality of the two cannot be guaranteed. There is a high probability that there will be a certain amount of error. This coaxiality deviation will cause the test shaft to vibrate during rotation. Therefore, the data detected by this testing method cannot truly reflect the performance of the motor, and the test results are unreliable. Summary of the Invention

[0004] The utility model provides a comprehensive tester for a complete motor, which solves the problem in the prior art that the motor installation accuracy may lead to unreliable test results.

[0005] The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: a comprehensive test machine for a complete motor, comprising a base, a motor mounting seat, an electrical signal tester and a vibration tester, the base being provided with a horizontal slide rail, the motor mounting seat being slidably matched with the slide rail, the motor mounting seat being provided with positioning holes of several specifications, the motor shafts positioned by all positioning holes being in the same vertical plane, and the vertical plane being parallel to the slide rail; the base is also provided with a lifter and a lifting beam, the lifting beam being provided with an elastic rubber ring, a through-set pipe sleeve being fixed on the elastic rubber ring, a rotating bearing being fixed inside the pipe sleeve, a shaft sleeve being inserted inside the rotating bearing, the outer diameter of the shaft sleeve being matched with the inner diameter of the rotating bearing, the detection terminal of the vibration tester being connected to the pipe sleeve, a horizontal plug-in cavity being formed inside the shaft sleeve, and the axis of the plug-in cavity also being in the vertical plane.

[0006] The detection method of the present invention is as follows: the present invention has preset detection procedures for a variety of motors. According to the selected motor model, the lifter will suspend the lifting beam at different heights. After the motor model is selected, the motor base of the motor to be tested is placed centrally on the motor mounting base and fixed with bolts. Then the shaft sleeve is removed and mounted on the output shaft of the motor. Then the motor mounting base is pushed to one side of the lifting beam until the shaft sleeve is reinserted into the rotating bearing. Then, multiple power supply test terminals on the electrical signal tester are electrically connected to the motor. After the motor is started, the detection can begin.

[0007] The utility model adjusts the height of the rotating bearing through a lifter and constrains the axial direction of the motor through a motor mounting seat. In this way, the sleeve mounted on the output shaft of the motor can be roughly aligned with the rotating bearing. Then, when the sleeve and the rotating bearing are docked, the elastic rubber ring can adaptively change the position of the rotating bearing through its own deformation, thereby making the output shaft, sleeve, rotating bearing and sleeve of the motor all in a completely coaxial state. At this time, the vibration condition at the sleeve is detected, and the detected data can truly reflect the performance of the motor, and the detection result is reliable.

[0008] Furthermore, the front end of the sleeve is chamfered, and the rear end is provided with a stopper. A keyway is formed in the insertion cavity. The chamfer serves to provide a guide, facilitating smooth insertion of the sleeve into the rotating bearing. Motor output shafts are typically secured with a key, so the insertion cavity is provided with a keyway. The sleeve of this utility model is available in multiple models, each with a different insertion cavity and keyway size to accommodate motors of varying specifications.

[0009] Furthermore, the bottom of the motor mount is provided with a screw nut, which houses a screw rod. The ends of the screw rod are rotatably engaged with positioning plates fixed to the base. A crank is also fixedly connected to the screw rod. The position of the motor mount can be adjusted by manually cranking the crank, which also facilitates real-time monitoring of the bushing's insertion into the rotating bearing.

[0010] Therefore, compared with the prior art, the present invention has the following characteristics: 1. The present invention constrains the installation posture of the motor through the lifter and the motor mounting seat. In this way, the sleeve mounted on the motor output shaft can be roughly aligned with the rotating bearing, and then the elastic rubber ring can adaptively change the position of the rotating bearing through its own deformation, so that the output shaft, sleeve, rotating bearing and pipe sleeve of the motor are all in a completely coaxial state. At this time, the vibration condition at the pipe sleeve is detected, and the detected data can truly reflect the performance of the motor, and the detection result is reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Attachment Figure 1 It is a front view of the utility model;

[0012] Attachment Figure 2 It is attached Figure 1 A magnified view of part A;

[0013] Attachment Figure 3 It is a side view of the utility model;

[0014] Attachment Figure 4 This is a top view of the motor mount. DETAILED DESCRIPTION

[0015] The technical solution of the present invention will be further specifically described below with reference to the embodiments and the accompanying drawings.

[0016] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0017] Example 1: See Figure 1 、 Figure 2 and Figure 3A motor integrated tester includes a base 10, a motor mounting base 20, an electrical signal tester 30, and a vibration tester 40. The base is provided with two horizontal slide rails 11. The bottom of the motor mounting base is provided with four sliders 21 that slide with the slide rails. The motor mounting base is provided with three sizes of positioning holes 22 (see Figure 4 ), the motor axis located by all the positioning holes are in the same vertical plane, and the vertical plane is parallel to the slide rail; the base is also provided with a lifter 50 and a lifting beam 60, the lifting beam is provided with an elastic rubber ring 61, a pipe sleeve 70 is fixed on the elastic rubber ring, a rotating bearing 80 is fixed inside the pipe sleeve, a shaft sleeve 90 is inserted into the inside of the rotating bearing, the outer diameter of the shaft sleeve matches the inner diameter of the rotating bearing, the detection terminal 41 of the vibration tester is connected to the pipe sleeve, a horizontal plug-in cavity 91 is formed in the shaft sleeve, and the axis of the plug-in cavity is also in the vertical plane.

[0018] The detection method of this embodiment is as follows: this embodiment has preset detection procedures for multiple motors. Depending on the selected motor model, the lifter will suspend the lifting beam at different heights. After selecting the motor model, the motor base of the motor 100 to be tested is centered on the motor mounting base and fixed with bolts. Then, the shaft sleeve is removed and mounted on the output shaft of the motor. Then, the motor mounting base is pushed to one side of the lifting beam until the shaft sleeve is reinserted into the rotating bearing. Then, multiple power supply test terminals on the electrical signal tester are electrically connected to the motor. After the motor is started, the detection can begin.

[0019] In this embodiment, the height of the rotating bearing is adjusted by a lifter, and the axial direction of the motor is constrained by a motor mounting seat. In this way, the sleeve mounted on the output shaft of the motor can be roughly aligned with the rotating bearing. Then, when the sleeve and the rotating bearing are docked, the elastic rubber ring can adaptively change the position of the rotating bearing through its own deformation, thereby making the output shaft, sleeve, rotating bearing and sleeve of the motor all in a completely coaxial state. At this time, the vibration condition at the sleeve is detected, and the detected data can truly reflect the performance of the motor, and the detection result is reliable.

[0020] See Figure 2 The front end of the sleeve is chamfered, and its rear end is provided with a stopper 92. A keyway 93 is formed in the insertion cavity. The chamfer serves to provide a guide, facilitating smooth insertion of the sleeve into the rotating bearing. Motor output shafts are typically secured with a key, so the insertion cavity is provided with a keyway. The sleeves of this embodiment are available in multiple sizes, each with a different insertion cavity and keyway dimensions to accommodate motors of varying specifications.

[0021] See Figure 2 A first snap ring 71 and a second snap ring 72 are provided on the outer wall of the sleeve, and an elastic rubber ring is provided between the two snap rings.

[0022] The lifter is one of a servo electric cylinder, a screw nut mechanism and a servo slide, preferably a servo slide.

[0023] See Figure 1 The bottom of the motor mount is provided with a screw nut 23, which is fitted with a screw 24. The two ends of the screw are rotatably fitted with positioning plates 25 fixed to the base. The screw is also fixedly connected to a crank 26. The position of the motor mount can be adjusted by manually cranking the crank, which also facilitates the inspection personnel to observe the insertion of the sleeve into the rotating bearing in real time.

[0024] It is obvious to those skilled in the art that the present invention can be modified in many ways, and such modifications are not considered to depart from the scope of the present invention. All such modifications obvious to those skilled in the art are intended to be included within the scope of the present claims.

Claims

1. A comprehensive motor tester, comprising a base, a motor mounting base, an electrical signal tester, and a vibration tester, characterized in that: The base is provided with a horizontal slide rail, and the motor mounting seat is slidably matched with the slide rail. The motor mounting seat is provided with positioning holes of several specifications, and the motor shaft centers located by all the positioning holes are all in the same vertical plane, and the vertical plane is parallel to the slide rail; the base is also provided with a lifter and a lifting beam, and the lifting beam is provided with an elastic rubber ring, and a pipe sleeve is fixed on the elastic rubber ring, and a rotating bearing is fixed inside the pipe sleeve, and a shaft sleeve is inserted into the inside of the rotating bearing, and the outer diameter of the shaft sleeve matches the inner diameter of the rotating bearing, and the detection terminal of the vibration tester is connected to the pipe sleeve, and a horizontal plug-in cavity is formed in the shaft sleeve, and the axis of the plug-in cavity is also in the vertical plane.

2. The motor comprehensive testing machine according to claim 1, characterized in that: The front end of the shaft sleeve is provided with a chamfer, and the rear end thereof is provided with a limiting portion; a keyway is formed in the plug-in cavity.

3. The motor comprehensive testing machine according to claim 1, characterized in that: A first clamping ring and a second clamping ring are provided on the outer wall of the pipe sleeve, and the elastic rubber ring is sleeved between the two clamping rings.

4. The motor comprehensive testing machine according to claim 1, characterized in that: The lifter is one of a servo electric cylinder, a screw nut mechanism and a servo slide.

5. The motor comprehensive testing machine according to claim 1, characterized in that: A screw nut is provided at the bottom of the motor mounting seat, a screw is fitted inside the screw nut, two ends of the screw are rotatably fitted with positioning plates fixed on the base, and a crank is also fixedly connected to the screw.

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