Linear motor test platform

Abstract

The utility model discloses a linear motor test platform, and belongs to the technical field of motor test. The device mainly comprises a rack; a rotor sliding plate is mounted on the linear sliding sleeve, and a rotor fixing plate is arranged on the rotor sliding plate; the machine frame is provided with a top seat; one end of the support rod comprises a fixing sleeve, the fixing sleeve is connected with a screw rod connecting frame, and the connecting frame comprises four sets of clamping sleeves; the two sides of the stator fixing support are provided with side plates, and the clamping sleeve is connected with a fastener; the side face of the stator fixing support is provided with an installation base, and the installation base is provided with a pointer. According to the linear motor test platform, through arrangement of the stator mounting base, the top base, the support rod, the screw rod, the connecting frame, the stator fixing support, the mounting base, the pointer and the graduated scale, the downward movement amount of the stator fixing support is accurately controlled, and a stator plate cannot be damaged due to too tight clamping.

Description

Technical Field

[0001] This application relates to the field of motor testing technology, specifically a linear motor testing platform. Background Technology

[0002] A linear motor is a transmission device that directly converts electrical energy into linear motion mechanical energy without any intermediate conversion mechanism. It can be viewed as a rotary motor cut radially and then unfolded into a straight line. Linear motors are also based on the principle of electromagnetic induction. Taking the most common three-phase AC linear induction motor as an example, it mainly consists of two parts: a stator and a mover.

[0003] After the design and production of linear motors, verification and inspection are required. A specialized linear motor testing platform is needed to evaluate the motor's performance. The purpose of the linear motor testing platform is to simulate the operating conditions of the motor in the machine tool. By collecting performance parameters such as the motor's output speed and thrust, the motor's performance can be evaluated. Typically, manufacturers will test items such as positioning force, thrust fluctuation, thrust constant, and thrust linearity in this test. Verification of these parameters can provide a comprehensive understanding of the motor's performance.

[0004] For example, the patent with publication number CN212646920U specifically discloses a linear motor testing platform, including a frame, a mover drive mechanism, a servo motor, a sliding plate, a guide block, a guide rail, a stator mounting base, a control panel, and the setup of displacement sensors and force sensors. This allows for a high degree of mechanized testing, and the rotation of the servo motor makes the movement position of the linear slide sleeve more precise, resulting in more accurate measured linear motor parameter data.

[0005] In the aforementioned patent, a stator mounting gap is created between the stator fixing bracket and the stator mounting base to accommodate the stator plate of the linear motor. However, the patent does not elaborate on the specific installation process of the stator plate. By examining the attached drawings, we can see that the stator fixing bracket has multiple sets of fixing holes, suggesting that it is likely fixed to the stator mounting base with bolts. However, using multiple sets of bolts for fixing becomes cumbersome and inconvenient when different stator plates need to be fixed. Therefore, a linear motor testing platform needs to be designed to address these issues.

[0006] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Summary of the Invention

[0007] Based on the aforementioned problems in the existing technology, the problem to be solved in this application is to provide a linear motor testing platform. This addresses the issue in the aforementioned patents where a stator mounting gap is set between the stator fixing bracket and the stator mounting base to accommodate the stator plate of the linear motor. However, the patents do not elaborate on the specific installation operation of the stator plate. By examining the attached drawings, we can see that the stator fixing bracket has multiple sets of fixing holes, leading to the assumption that the stator fixing bracket is most likely fixed to the stator mounting base with bolts. However, using multiple sets of bolts for fixing becomes cumbersome and inconvenient when different stator plates need to be fixed.

[0008] The technical solution adopted by this application to solve its technical problem is: a linear motor testing platform. It mainly includes: a frame, which includes a testing platform; a mover drive mechanism, which is mounted on the testing platform, the mover drive mechanism having a linear sliding sleeve for moving the stator, and a servo motor for driving the linear sliding sleeve to move; a mover sliding plate is mounted on the linear sliding sleeve, and a mover fixing plate is provided on the mover sliding plate; a stator mounting base, which is mounted on the frame, and a top seat is bolted to the frame; a support rod, which is mounted on the side of the top seat, and the support rod... One end of the rod includes a fixing sleeve, on which a screw connecting bracket is threadedly connected. The connecting bracket is bearing-mounted at one end of the screw. The connecting bracket includes four sets of clamps, each clamp having a clamping groove. A stator fixing bracket is disposed between the four sets of clamps. Side plates are installed on both sides of the stator fixing bracket, and fasteners are connected to the clamps. A scale is installed on the side of the top seat. A mounting base is installed on the side of the stator fixing bracket, and a pointer is installed on the mounting base.

[0009] Furthermore, the moving part drive mechanism includes two sets of mounting plates installed on the bottom surface of the testing table, with a lead screw connected between the two sets of mounting plates by a bearing, and the linear sliding sleeve is connected to the lead screw. A through groove is provided on the testing table.

[0010] Furthermore, the testing platform is equipped with two sets of parallel guide rails, and sliders are slidably mounted on the guide rails. The moving slide plate is simultaneously connected to both sets of sliders.

[0011] Furthermore, two sets of guide rods are installed between the two sets of mounting plates, and the linear sliding sleeve is movably sleeved on the two sets of guide rods.

[0012] Furthermore, a handle is provided at one end of the screw.

[0013] Furthermore, four sets of guide rods are installed on the frame, and the stator fixing bracket is movably sleeved on the four sets of guide rods.

[0014] The beneficial effects of this application are as follows: The linear motor testing platform provided by this application, through the setting of stator mounting base, top base, support rod, fixing sleeve, screw, connecting frame, clamp, side plate, fastener, stator fixing bracket, mounting base, pointer and scale, can accurately control the downward movement of the stator fixing bracket, ensuring that the stator plate is firmly and properly clamped, and will not be damaged due to excessive clamping.

[0015] In addition to the purposes, features, and advantages described above, this application has other purposes, features, and advantages. A further detailed description of this application will be provided below with reference to the figures. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:

[0017] Figure 1 This is an overall schematic diagram of a linear motor testing platform according to this application;

[0018] Figure 2 for Figure 1 Bottom structure diagram;

[0019] Figure 3 for Figure 2 Exploded view;

[0020] Figure 4 for Figure 2 Enlarged view of point A;

[0021] Figure 5 for Figure 3 Enlarged view of point B;

[0022] The following are the labeling elements in the figure:

[0023] 1. Frame; 11. Testing table; 12. Control panel; 13. Through slot; 2. Mover drive mechanism; 21. Mounting plate; 22. Lead screw; 23. Linear sleeve; 24. Servo motor; 25. Guide rod; 26. Mover sliding plate; 27. Guide rail; 28. Slider; 29. ​​Mover fixing plate; 210. Stator mounting base; 211. Top seat; 212. Support rod; 213. Fixing sleeve; 214. Screw; 215. Connecting frame; 216. Clip; 217. Side plate; 218. Fastener; 219. Stator fixing bracket; 220. Guide rod; 221. Mounting base; 222. Pointer; 223. Scale. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0026] like Figures 1-5 As shown, this application provides a linear motor testing platform, including a frame 1, which includes a test table 11, and a mover drive mechanism 2 is installed on the test table 11. The mover drive mechanism 2 includes two sets of mounting plates 21 fixedly installed on the bottom surface of the test table 11, and a lead screw 22 is connected between the two sets of mounting plates 21 by bearings, and a linear sleeve 23 is drivenly connected to the lead screw 22. At the same time, a through groove 13 adapted to the width of the linear sleeve 23 is opened on the test table 11.

[0027] Meanwhile, two sets of guide rods 25 are fixedly installed between the two sets of mounting plates 21. The linear sleeve 23 is movably sleeved on the two sets of guide rods 25, and the screw 22 is adapted to rotate so as to drive the linear sleeve 23 to move along the linear direction of the two sets of guide rods 25, so as to change the position of the linear sleeve 23 on the screw 22.

[0028] Furthermore, a servo motor 24 is fixedly installed at one end of a set of mounting plates 21. The servo motor 24 passes through the mounting plate 21 and is fixedly connected to one end of the lead screw 22. The servo motor 24 is suitable for driving the lead screw 22 to rotate.

[0029] Two sets of parallel guide rails 27 are fixedly installed on the testing table 11, and sliders 28 are slidably installed on the guide rails 27. At the same time, a moving slide plate 26 is connected to the two sets of sliders 28. The moving slide plate 26 is used to place the moving plate, and the bottom end of the moving slide plate 26 is connected to the top surface of the linear slide sleeve 23. The moving slide plate 26 is suitable for moving synchronously with the movement of the linear slide sleeve 23.

[0030] The upper end of the mover slide plate 26 is provided with a mover fixing plate 29. The mover of the linear motor is clamped and fixed between the mover fixing plate 29 and the mover slide plate 26. The mover plate is fixed by the clamping effect between the mover slide plate 26 and the mover fixing plate 29.

[0031] Furthermore, a control panel 12 is provided on the frame 1. The control panel 12 is electrically connected to the mover drive mechanism 2, thereby enabling the mover plate and stator plate to be detected through the mover drive mechanism 2. The control panel 12 controls the operation and can also view the detected values.

[0032] Furthermore, a force sensor (not shown in the figure) is provided on the upper part of the linear slide sleeve 23. The upper part of the force sensor passes through the through groove 13 and is connected to the moving slide plate 26. A displacement sensor is connected to one side of the linear slide sleeve 23. The displacement sensor, the force sensor, and the servo motor 24 are all electrically connected to the control panel 12. The linear positioning motion of the linear slide sleeve 23 is achieved by rotating the servo motor 24 in the moving drive mechanism 2 and rotating the lead screw 22. During the motion, the displacement sensor and the force sensor monitor and record all process data and upload and save them to the control panel 12.

[0033] A clamping unit is installed on the frame 1. The clamping unit includes a stator mounting seat 210 bolted to the frame 1 for placing a stator plate. A top seat 211 is bolted to the frame 1, which is located directly above the stator mounting seat 210. A support rod 212 is fixedly installed on the side of the top seat 211, and one end of the support rod 212 includes a fixing sleeve 213.

[0034] A screw 214 is threaded onto the fixed sleeve 213, and a handle (not shown in the figure) is provided at one end of the screw 214 for easy manual rotation by the operator. The other end of the screw 214 is movably inserted through the top seat 211, and a connecting frame 215 is mounted on the other end of the screw 214. The connecting frame 215 includes four sets of clamps 216, and each clamp 216 includes a clamping groove.

[0035] Meanwhile, a stator fixing bracket 219 is provided between the four sets of clamps 216. Side plates 217 are fixedly installed on both sides of the stator fixing bracket 219. The stator fixing bracket 219 is inserted into the clamping groove through the side plates 217, and fasteners 218 are connected to the clamps 216. The fasteners 218 pass through the clamps 216 and are threadedly connected to the side plates 217.

[0036] Four sets of guide rods 220 are fixedly installed on the frame 1. The stator fixing bracket 219 is movably sleeved on the four sets of guide rods 220. The guide rods 220 are used to linearly restrict the movement of the stator fixing bracket 219.

[0037] The screw 214 is adapted to rotate within the fixed sleeve 213 to push the connecting frame 215 to drive the stator fixing bracket 219 to move linearly downward, thereby clamping the stator plate placed on the stator mounting base 210;

[0038] In actual operation, the operator rotates the screw 214, causing it to rotate and advance within the fixing sleeve 213. This, in turn, pushes the connecting frame 215, causing the stator fixing bracket 219 to move downwards in a straight line, ultimately achieving a tight and stable clamping of the stator plate placed on the stator mounting base 210. This clamping method is not only simple to operate, but also allows for flexible adjustment according to the specific size and shape of the stator plate, ensuring that the stator plate remains fixed during testing and avoiding any impact on the accuracy of the test results due to displacement or shaking of the stator plate.

[0039] Meanwhile, a scale 223 is fixedly installed on the side of the top seat 211, and a mounting base 221 is fixedly installed on the side of the stator fixing bracket 219. A pointer 222 is fixedly installed on the mounting base 221. The pointer 222 passes through the side of the top seat 211 and points to the scale 223. The starting position of the scale 223 is flush with the top surface of the stator mounting seat 210.

[0040] When the stator plate needs to be clamped and fixed, the operator rotates the screw 214. The screw 214 rotates and moves downward within the fixing sleeve 213, thereby pushing the connecting bracket 215 to move the stator fixing bracket 219 along a straight line towards the location of the stator mounting base 210 (that is, vertically downward). During this movement, since the pointer 222 on the side of the stator fixing bracket 219 moves synchronously with the stator fixing bracket 219, the pointer 222 will produce a corresponding displacement change on the scale 223 as the stator fixing bracket 219 moves downward.

[0041] In summary, operators can accurately determine the height change of the stator fixing bracket 219 relative to the top surface of the stator mounting base 210 by observing the scale value indicated by the pointer 222 on the scale 223. For example, when the pointer 222 points to a specific mark on the scale 223, it means that the stator fixing bracket 219 has descended to the corresponding height position. This allows the operator to determine the distance between the stator fixing bracket 219 and the stator mounting base 210, and thus determine the degree of clamping of the stator plate placed on the stator mounting base 210. Furthermore, the fact that the starting position of the scale 223 is flush with the top surface of the stator mounting base 210 makes measurement and judgment more intuitive and convenient. Operators can accurately control the downward movement of the stator fixing bracket 219 according to actual needs (such as the thickness of the stator plate), ensuring that the stator plate is firmly and properly clamped. This prevents the stator plate from shaking or shifting during the test due to excessively loose clamping, which could affect the test results, and also prevents the stator plate from being damaged due to excessively tight clamping. This provides a reliable stator fixing foundation for accurately performing various tests on the linear motor on the test platform.

[0042] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A linear motor testing platform, characterized in that: include: The frame (1) includes a testing station (11). The mover drive mechanism (2) is mounted on the detection table (11). The mover drive mechanism (2) has a linear slide sleeve (23) for moving the stator and a servo motor (24) for driving the linear slide sleeve (23) to move. The linear slide sleeve (23) is equipped with a moving slide plate (26), and the moving slide plate (26) is provided with a moving fixing plate (29). A stator mounting base (210) is mounted on the frame (1), and a top seat (211) is bolted onto the frame (1). A support rod (212) is mounted on the side of the top seat (211). One end of the support rod (212) includes a fixing sleeve (213), and a screw (214) is threaded onto the fixing sleeve (213). A connecting frame (215) is bearing mounted on one end of the screw (214), the connecting frame (215) includes four sets of clamps (216), the clamps (216) including clamping grooves; A stator fixing bracket (219) is disposed between four sets of the aforementioned sleeves (216). Side plates (217) are installed on both sides of the stator fixing bracket (219), and fasteners (218) are connected to the sleeves (216). A scale (223) is mounted on the side of the top seat (211), and a mounting base (221) is mounted on the side of the stator fixing bracket (219), and a pointer (222) is mounted on the mounting base (221).

2. The linear motor testing platform according to claim 1, characterized in that: The moving part drive mechanism (2) includes two sets of mounting plates (21) installed on the bottom surface of the test table (11). A lead screw (22) is connected between the two sets of mounting plates (21) by a bearing. The linear sliding sleeve (23) is driven and connected to the lead screw (22). A through groove (13) is provided on the test table (11).

3. The linear motor testing platform according to claim 2, characterized in that: The testing platform (11) is equipped with two sets of parallel guide rails (27), and sliders (28) are slidably mounted on the guide rails (27). The moving slide plate (26) is connected to both sets of sliders (28).

4. A linear motor testing platform according to claim 3, characterized in that: Two sets of guide rods (25) are installed between the two sets of mounting plates (21), and the linear sliding sleeve (23) is movably sleeved on the two sets of guide rods (25).

5. A linear motor testing platform according to claim 4, characterized in that: A handle is provided at one end of the screw (214).

6. A linear motor testing platform according to claim 5, characterized in that: Four sets of guide rods (220) are installed on the frame (1), and the stator fixing bracket (219) is movably sleeved on the four sets of guide rods (220).

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