Motor rotating shaft runout measuring device

Abstract

The utility model relates to the technical field of motor detection equipment, and discloses a motor rotating shaft runout measurement device. The utility model provides a motor rotating shaft run-out measuring device which comprises a fixing support which is provided with a fixing groove used for fixing a motor to be measured. The dial indicator is arranged on the fixed support, and the measuring end of the dial indicator extends to the rotating shaft of the motor to be measured; and the driving mechanism is used for driving the rotating shaft of the to-be-tested motor to rotate. According to the motor rotating shaft run-out measuring device, the to-be-detected motor is fixed through the fixing support, the rotating shaft of the to-be-detected motor is driven to rotate through the driving mechanism, and the measuring end of the dial indicator extends to the rotating shaft of the motor, so that the dial indicator can measure run-out of the rotating shaft of the motor; the driving mechanism drives the motor rotating shaft to rotate, so that the jumping of the motor rotating shaft caused by manually stirring the motor rotating shaft to rotate by a worker can be reduced, the accuracy of measuring the jumping of the motor rotating shaft is improved, and the problem of large error of measuring the jumping of the motor rotating shaft is solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of motor detection equipment, and particularly relates to a motor rotating shaft run-out measuring device. BACKGROUND

[0002] The radial run-out size of the motor rotating shaft will directly affect the noise in the motor operation process and the cooperation between the motor rotating shaft and the load, and therefore the motor rotating shaft needs to be detected before the motor is put into use.

[0003] The motor rotating shaft run-out needs to be detected by driving the motor rotating shaft to rotate, and in the related art, the motor rotating shaft is usually manually rotated by a worker. However, when the worker manually rotates the motor rotating shaft, a radial force is applied to the motor rotating shaft, so that the motor rotating shaft run-out measurement error is large.

[0004] Therefore, the prior art needs to be improved.

[0005] The above information is given as background information only to assist with an understanding of the present disclosure, and should not be taken as an acknowledgement or admission that any of the above-mentioned details form part of the prior art base with respect to the present disclosure. CONTENT OF THE UTILITY MODEL

[0006] The motor rotating shaft run-out measuring device provided by the embodiments of the application solves the problem of large motor rotating shaft run-out measurement error.

[0007] In a first aspect, the embodiments of the application provide a motor rotating shaft run-out measuring device, comprising:

[0008] A fixing support, wherein a fixing groove for fixing a motor to be measured is arranged on the fixing support;

[0009] A dial indicator, wherein the dial indicator is arranged on the fixing support, and a measurement end of the dial indicator extends to a rotating shaft of the motor to be measured;

[0010] A driving mechanism, wherein the driving mechanism is used for driving the rotating shaft of the motor to be measured to rotate.

[0011] In a possible implementation, the driving mechanism comprises a driving member and a transmission assembly, the transmission assembly comprises a first gear and a second gear, the first gear is in meshing connection with the second gear, the second gear is fixedly sleeved on the rotating shaft of the motor to be measured, and the driving member is used for driving the first gear to rotate.

[0012] In a possible implementation, the driving mechanism further comprises a support frame and a support seat, the support seat is arranged on the motor to be measured or the fixing support, and the support frame is connected to the support seat and the driving member.

[0013] In a possible implementation, the support frame comprises a plurality of support rods and a plurality of rotating joints, the plurality of support rods are arranged in sequence, the rotating joints are connected to adjacent support rods, one end of the plurality of support rods is fixedly connected to the support base, and the other end is fixedly connected to the driving member.

[0014] In a possible implementation, the support base is provided with a magnetic attraction member or is made of a magnetic attraction material, and the support base is magnetically fixed to the motor to be measured.

[0015] In a possible implementation, the fixing support comprises a bottom plate and a plurality of fixing supports, a fixing groove is formed in each of the plurality of fixing supports, and the plurality of fixing supports are slidably connected to the bottom plate.

[0016] In a possible implementation, the fixing support further comprises a limiting plate, the limiting plate is arranged on the bottom plate, and the limiting plate comprises a sliding portion, and the plurality of fixing supports are slidably connected to the sliding portion.

[0017] In a possible implementation, the fixing support further comprises a locking member, the locking member penetrates the fixing support and is detachably connected to the bottom plate.

[0018] In a possible implementation, the fixing support further comprises a connecting base and a connecting support, the connecting base is arranged on the fixing support, the connecting support is arranged on the connecting base, and the dial indicator is arranged on the connecting support.

[0019] In a possible implementation, the connecting support comprises a plurality of connecting rods and a plurality of universal joints, the plurality of connecting rods are arranged in sequence, the universal joints are connected to adjacent two connecting rods, one end of the plurality of connecting rods is fixedly connected to the connecting base, and the other end is connected to the dial indicator.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] The motor shaft run-out measuring device provided by the embodiment of the present application fixes the motor to be measured by arranging the fixing support, drives the motor shaft to be measured to rotate by arranging the driving mechanism, and makes the measuring end of the dial indicator extend to the motor shaft, so that the dial indicator can measure the run-out of the motor shaft. The driving mechanism drives the motor shaft to rotate, which can reduce the run-out of the motor shaft caused by manual rotation of the motor shaft by the staff, improve the run-out measurement accuracy of the motor shaft, and solve the problem of large measurement error of the motor shaft run-out. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced. Obviously, the drawings in the following description only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor on the premise of the drawings.

[0023] In order to more completely understand the present application and its beneficial effects, the following will be described in conjunction with the drawings. In the following description, the same reference numbers represent the same parts.

[0024] Figure 1 The first structure schematic diagram of the motor rotating shaft run-out measuring device provided by the embodiments of the present application.

[0025] Figure 2 The second structure schematic diagram of the motor rotating shaft run-out measuring device provided by the embodiments of the present application.

[0026] Figure 3 The third structure schematic diagram of the motor rotating shaft run-out measuring device provided by the embodiments of the present application.

[0027] In the drawings: 1, fixed support; 11, bottom plate; 111, sliding groove; 12, fixed frame; 121, fixed groove; 122, sliding block; 13, limiting plate; 131, sliding part; 14, locking piece; 2, driving mechanism; 21, driving piece; 22, transmission assembly; 221, first gear; 222, second gear; 23, support frame; 231, support rod; 232, rotating joint; 24, support seat; 31, connecting seat; 32, connecting frame; 321, connecting rod; 322, universal joint; 33, dial indicator. DETAILED DESCRIPTION

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced. Obviously, the drawings in the following description only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor on the premise of the drawings.

[0029] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" can be explicitly or implicitly included one or more features.

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application.

[0031] The motor shaft run-out measuring device is provided in the embodiments of the present application to solve the problem of large error in measuring the motor shaft run-out.

[0032] Referring to Figure 1 The motor shaft run-out measuring device is provided in the embodiments of the present application, which comprises a fixing support 1, a fixed groove 121 for fixing a motor to be measured is arranged on the fixing support 1; a dial gauge 33 is arranged on the fixing support 1, and a measuring end of the dial gauge 33 extends to a shaft of the motor to be measured; and a driving mechanism 2 is arranged for driving the shaft of the motor to be measured to rotate.

[0033] The motor to be measured is fixed by the fixing support 1, the shaft of the motor to be measured is driven to rotate by the driving mechanism 2, the measuring end of the dial gauge 33 extends to the shaft of the motor, so that the dial gauge 33 can measure the run-out of the shaft of the motor; and the shaft of the motor is driven to rotate by the driving mechanism 2, so that the run-out of the shaft of the motor caused by manually rotating the shaft of the motor by a worker is reduced, the accuracy of measuring the run-out of the shaft of the motor is improved, and the problem of large error in measuring the run-out of the shaft of the motor is solved.

[0034] Referring to Figure 1 The fixing support 1 comprises a bottom plate 11 and two fixing frames 12, the fixing frames 12 are used for bearing the motor to be measured, the two fixing frames 12 are symmetrically arranged, and a fixed groove 121 is arranged at the top of each of the two fixing frames 12. In the embodiments, the fixed groove 121 is a V-shaped through groove, so as to conveniently accommodate and fix the motor to be measured with different sizes. The bottom plate 11 is arranged in the shape of a rectangular plate, a sliding groove 111 is arranged on one side of the bottom plate 11 in the thickness direction, and a sliding block 122 is integrally formed at the bottom of each of the two fixing frames 12. The sliding block 122 is slidably connected with the sliding groove 111, so that the two fixing frames 12 can slide on the bottom plate 11. The distance between the two fixing frames 12 is adjusted, so that the fixing frames 12 can accommodate and fix the motor to be measured with different lengths.

[0035] Referring to Figure 1 The fixing support 1 further comprises a limiting plate 13 and a locking piece 14. The limiting plate 13 is fixedly connected to the bottom plate 11 by bolts, and a sliding part 131 is arranged on the side of the limiting plate 13 away from the bottom plate 11. The two fixing frames 12 are slidably connected with the sliding part 131. By slidably connecting the fixing frames 12 with the sliding part 131, the fixing frames 12 can be limited to be separated from the bottom plate 11 in the thickness direction. The number of the locking pieces 14 is two, and the locking pieces 14 are correspondingly arranged with the fixing frames 12. The locking pieces 14 are provided with threads, and threaded holes are arranged on the bottom plate 11. The locking pieces 14 can penetrate through the corresponding fixing frames 12 and be threadedly connected with the threaded holes. By arranging the locking pieces 14, the fixing frames 12 can be locked to the bottom plate 11, so as to improve the stability during measurement.

[0036] Referring toFigure 1 The driving mechanism 2 comprises a driving member 21, a transmission assembly 22, a support frame 23 and a support base 24. In the embodiment, the support base 24 is made of magnetic material and is magnetically fixed to the shell of the motor to be measured. In addition, as shown in Figure 2 and Figure 3 In some embodiments of the application, the bottom plate 11 or the fixing frame 12 is made of ferromagnetic material, and the support base 24 is magnetically fixed to the bottom plate 11 or any one of the fixing frames 12.

[0037] One end of the support frame 23 is fixedly connected with the support base 24, and the other end is fixedly connected with the driving member 21. In the embodiment, the support frame 23 comprises three support rods 231 and two rotating joints 232. The three support rods 231 are arranged in sequence, and the rotating joint 232 is connected between two adjacent support rods 231, so that the support rod 231 can not only rotate around the rotating joint 232 relative to the adjacent support rod 231, so that the end of the support frame 23 away from the support base 24 can be moved to multiple positions, but also can be kept at the corresponding position after being adjusted to a certain position due to the damping property of the rotating member, so as to support the driving member 21. By arranging the support base 24 on the motor to be measured, arranging the support frame 23 on the support base 24, and connecting the driving member 21 with the damping support frame 23, the radial force applied by the driving member 21 to the rotating shaft of the motor to be measured can be reduced while driving the rotating shaft of the motor to be measured with the driving member 21, so as to reduce the jumping of the rotating shaft of the motor to be measured caused by the driving member 21 and improve the measurement accuracy.

[0038] In the embodiment, the driving member 21 is a stepping motor, the transmission assembly 22 comprises a first gear 221 and a second gear 222. The first gear 221 is fixedly sleeved on the output shaft of the stepping motor, and the second gear 222 is detachably connected with the rotating shaft of the motor to be measured. The first gear 221 is in meshing connection with the second gear 222, so that the rotating shaft of the motor to be measured can be rotated through the transmission of the first gear 221 and the second gear 222 when the output shaft of the stepping motor rotates.

[0039] Please refer to Figure 1 In some embodiments of the application, a sliding block 122 in sliding cooperation with the sliding groove 111 is integrally formed on the side of the support frame 23 close to the bottom plate 11, so that the support frame 23 can slide relative to the bottom plate 11. By slidingly connecting the support frame 23 with the bottom plate 11, the distance between the driving member 21 and the motor to be measured can be adjusted, so as to meet the measurement of the jumping of the rotating shaft of the motor of various sizes. In addition, a fixing member is arranged on the support frame 23, and a thread is arranged on the fixing member. The fixing member can penetrate through the support frame 23 and be connected with the threaded hole.

[0040] Please refer to Figure 1The motor rotating shaft run-out measuring device further comprises a connecting seat 31 and a connecting frame 32. The connecting seat 31 is arranged on the fixed support 1. In the embodiment, the connecting seat 31 is made of magnetic material, and the bottom plate 11 is made of ferromagnetic material. The connecting seat 31 is fixedly connected with the bottom plate 11 by magnetic attraction. The connecting frame 32 is arranged on the connecting seat 31. The dial gauge 33 is arranged on the connecting frame 32. The connecting frame 32 comprises a plurality of connecting rods 321 and a plurality of universal joints 322. The plurality of connecting rods 321 are arranged in sequence. The universal joints 322 are connected with two adjacent connecting rods 321. One end of the plurality of universal joints 322 is fixedly connected with the connecting seat 31, and the other end is fixedly connected with the dial gauge 33. The connecting rods 321 are connected with the connecting rods 321 through the universal joints 322, so that the measuring end of the dial gauge 33 can extend to the rotating shaft of the motor of different sizes, thereby facilitating measurement.

[0041] In the above embodiments, the description of each embodiment has its own focus. The parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0042] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of the present application, the patent protection scope of the present application should not be limited. Any equivalent structure or equivalent flow replacing or modifying the technical solutions of the above embodiments based on the essential concept of the present application, using the content described in the specification and drawings of the present application, directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, etc., are all included in the patent protection scope of the present application.

Claims

1. A device for measuring the runout of a motor shaft, characterized in that, The utility model relates to a motor testing device, including: Fixed support (1), be provided with the fixed groove (121) for fixing the motor to be measured on fixed support (1), Dial gauge (33), dial gauge (33) are set up in fixed support (1), the measuring end of dial gauge (33) extends to the rotating shaft of motor to be measured, Driving mechanism (2) is used for driving the rotating shaft rotation of motor to be measured.

2. The motor shaft run-out measuring device of claim 1, wherein Driving mechanism (2) includes driving part (21) and transmission assembly (22), transmission assembly (22) includes first gear (221) and second gear (222), first gear (221) is connected with second gear (222) meshingly, second gear (222) is fixedly sleeved on the rotating shaft of motor to be measured, and driving part (21) is used for driving first gear (221) rotation.

3. The motor shaft run-out measuring device of claim 2, wherein, Driving mechanism (2) further includes support frame (23) and support seat (24), support seat (24) is set up in motor to be measured or fixed support (1), and support frame (23) is connected to support seat (24) and driving part (21).

4. The motor shaft run-out measuring device of claim 3, wherein Support frame (23) includes a plurality of support rods (231) and a plurality of rotating joints (232), a plurality of support rods (231) are sequentially arranged, rotating joints (232) are connected to adjacent support rods (231), one end of the plurality of support rods (231) is fixedly connected with the support seat (24), and the other end is fixedly connected with the driving part (21).

5. The motor shaft run-out measuring device of claim 3, wherein The support seat (24) is provided with a magnetic attraction member or is made of a magnetic material, and the support seat (24) is magnetically fixed with the motor to be measured.

6. The motor shaft run-out measuring device of claim 1, wherein, The fixed support (1) includes a bottom plate (11) and a plurality of fixing frames (12), each of the plurality of fixing frames (12) is provided with a fixing groove (121), and each of the plurality of fixing frames (12) is slidably connected with the bottom plate (11).

7. The motor shaft run-out measuring device of claim 6, wherein The fixed support (1) further includes a limiting plate (13), the limiting plate (13) is arranged on the bottom plate (11), and the limiting plate (13) includes a sliding part (131), each of the plurality of fixing frames (12) is slidably connected with the sliding part (131).

8. The motor shaft run-out measuring device of claim 6, wherein, The fixed support (1) further includes a locking member (14), the locking member (14) penetrates the fixing frame (12) and is detachably connected with the bottom plate (11).

9. The motor shaft run-out measuring device of claim 1, wherein, Further comprising a connecting seat (31) and a connecting frame (32), the connecting seat (31) is arranged on the fixed support (1), the connecting frame (32) is arranged on the connecting seat (31), and the dial gauge (33) is arranged on the connecting frame (32).

10. The motor shaft run-out measuring device of claim 9, wherein, The connecting frame (32) includes a plurality of connecting rods (321) and a plurality of universal joints (322), a plurality of connecting rods (321) are sequentially arranged, the universal joints (322) are connected to adjacent two connecting rods (321), one end of the plurality of connecting rods (321) is fixedly connected with the connecting seat (31), and the other end is connected with the dial gauge (33).

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