CN223179472U - A universal detection device for motor shaft clearance - Google Patents
A universal detection device for motor shaft clearanceInfo
- Publication number
- CN223179472U CN223179472U CN202422286993.5U CN202422286993U CN223179472U CN 223179472 U CN223179472 U CN 223179472U CN 202422286993 U CN202422286993 U CN 202422286993U CN 223179472 U CN223179472 U CN 223179472U
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- CN
- China
- Prior art keywords
- motor
- clamp arm
- shaft
- positioning seat
- movable
- Prior art date
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Abstract
本实用新型公开了一种电机轴隙通用检测装置，包括底座，底座上部一侧通过表架可拆卸连接有百分表，底座上部设有位于表架一侧的水平固定台钳，水平固定台钳连接有固定钳臂且滑动连接有活动钳臂，水平固定台钳和固定钳臂之间转动连接有与活动钳臂螺纹连接的螺杆，固定钳臂和活动钳臂上部分别固定连接有设有检测槽的第一定位座和设有顶轴槽的第二定位座，第一定位座和第二定位座上部放置有设有电机主轴的待测电机，第二定位座一侧可拆卸连接有设有顶轴端的弹性压头部件，顶轴端穿过顶轴槽与电机主轴和平头测针处于同一轴线。本实用新型对待测电机装夹定位快，可适应多种外形尺寸的电机，具有良好的通用性，减小了人为因素误差，检测更加准确。
The utility model discloses a universal detection device for motor shaft play, comprising a base, a dial indicator detachably connected to one side of an upper portion of the base via a meter frame, a horizontal fixed bench vise located on one side of the meter frame being provided on the upper portion of the base, the horizontal fixed bench vise being connected to a fixed clamp arm and slidably connected to a movable clamp arm, a screw threadedly connected to the movable clamp arm being rotatably connected between the horizontal fixed bench vise and the fixed clamp arm, a first positioning seat with a detection slot and a second positioning seat with a top shaft slot being fixedly connected to the upper portions of the fixed clamp arm and the movable clamp arm, respectively, a motor to be tested with a motor main shaft being placed on the upper portions of the first positioning seat and the second positioning seat, an elastic pressure head component with a top shaft end being detachably connected to one side of the second positioning seat, the top shaft end passing through the top shaft slot and being coaxial with the motor main shaft and a flat-head measuring needle. The utility model has fast clamping and positioning capabilities for the motor to be tested, can adapt to motors of various dimensions, has good versatility, reduces human error, and enables more accurate detection.
Description
Technical Field
The utility model relates to the technical field of motor detection, in particular to a motor gap universal detection device.
Background
The axial gap of the motor is also called as a motor shaft gap, and is one of the physical characteristic indexes of the whole machine which must be detected after the motor is assembled by the motor manufacturing industry, and refers to the axial movable distance which must exist on the premise that the rotor of the motor is axially limited by parts such as a stator, an end cover and the like. The purpose of detecting the axial clearance value is to screen whether the parts are qualified or not so as to ensure the normal operation of the motor assembled in the follow-up use process, if the detected value of the motor axial clearance is unqualified, the parts should be repaired or adjusted in other ways until the detected value is qualified, otherwise, the motor is easy to fail in the use process and even the service life of the motor is influenced.
The inventor has a patent document with the publication number of CN221123274U, and discloses a device for rapidly detecting the axial gap of a motor spindle, which can place the motor to be detected on the upper part of a groove-shaped seat, and rapidly detect the axial gap of the motor spindle through a dial indicator and an elastic jacking component. However, the technical scheme has certain requirements on the size specification of the detected motor, the adjustable range of the detection device is limited, when the difference of the external dimensions of the motor is large, the motor cannot be positioned, a set of detection device is required to be redesigned and customized, and the use scene of the detection device is limited.
Disclosure of utility model
The utility model provides the following technical scheme for solving the technical problems that the adjustable range of a detection device in the prior art is limited, and the motor cannot be positioned when the external dimension of the motor is larger or smaller, and the use scene of the detection device is limited.
The utility model discloses a universal motor shaft gap detection device which comprises a base, wherein one side of the upper part of the base is detachably connected with a dial indicator through a meter frame, the dial indicator is provided with a flat head measuring needle, the upper part of the base is provided with a horizontal fixed bench clamp positioned on one side of the meter frame, the horizontal fixed bench clamp is connected with a fixed clamp arm and is slidably connected with a movable clamp arm, a screw rod which is in threaded connection with the movable clamp arm is rotatably connected between the horizontal fixed bench clamp and the fixed clamp arm, the upper parts of the fixed clamp arm and the movable clamp arm are respectively and fixedly connected with a first positioning seat provided with a detection groove and a second positioning seat provided with a top shaft groove, a motor to be detected and provided with a motor spindle is placed on the upper parts of the first positioning seat and the second positioning seat, one side of the second positioning seat is detachably connected with an elastic pressing head component provided with a top shaft end, and the top shaft end penetrates through the top shaft groove and is positioned on the same axis with the motor spindle and the flat head measuring needle.
As a further technical scheme, a plurality of mounting holes, a first screw and a second screw matched with the mounting holes are formed in the lower portion of the horizontal fixed bench clamp, and threaded holes matched with the first screw and the second screw are formed in the lower portions of two sides of the fixed clamp arm and the movable clamp arm.
As a further technical scheme, a meter rod clamping sleeve is arranged at the upper part of the meter frame and used for adjusting the distance between the flat head measuring needle of the dial indicator and the motor main shaft.
As a further technical scheme, the first positioning seat and the second positioning seat are respectively connected with a first positioning plate provided with a detection groove and a second positioning plate provided with a top shaft groove, and the first positioning plate and the second positioning plate are respectively provided with a V-shaped groove or an arc-shaped groove which are used for placing the motor to be detected and are oppositely arranged.
As a further technical scheme, the detection groove is a through groove with a notch extending upwards and used for the motor spindle to pass through.
As a further technical scheme, the elastic pressure head assembly comprises a shaft sleeve which is detachably connected with the second positioning seat and is connected with a movable shaft in a sliding manner, and a gland which covers one side of the shaft sleeve, wherein the movable shaft comprises a limiting end positioned in the shaft sleeve, and a top shaft end and a pressure head positioned at two ends of the shaft sleeve.
As a further technical scheme, the outer periphery of the movable shaft is sleeved with a spring which moves inside the shaft sleeve.
The horizontal fixed bench clamp has the beneficial effects that the upper part of the horizontal fixed bench clamp is connected with the fixed clamp arm and the movable clamp arm, the screw rod is in threaded fit with the movable clamp arm, the movable clamp arm is moved by rotating the screw rod through the handle, and the second positioning seat is moved to be matched with the first positioning seat to stably clamp a motor to be tested, so that the horizontal fixed bench clamp is fast in clamping and positioning, accurate in measurement, suitable for motor detection of various external dimensions and good in universality. The first positioning seat and the second positioning seat are provided with V-shaped grooves or arc-shaped grooves, motors with various different specifications can be matched, and the elastic pressure head assembly is matched to push the motor spindle, so that the dial indicator monitors the axial gap of the motor spindle, human factor errors are reduced, and detection is more accurate.
Drawings
FIG. 1 is a schematic plan view of a motor shaft gap universal detecting device of the present utility model;
FIG. 2 is a schematic diagram of the connection of a horizontal fixed bench clamp of the motor shaft gap universal detection device of the utility model;
FIG. 3 is an exploded schematic view of a horizontal stationary vise of the universal motor shaft gap detection apparatus of the present utility model;
FIG. 4 is a schematic diagram of a first positioning seat and a second positioning seat of the motor shaft gap universal detecting device of the present utility model;
FIG. 5 is a schematic diagram of the dial indicator connection of the universal motor shaft gap detection device of the present utility model;
FIG. 6 is a schematic cut-away view of an elastic indenter assembly of the universal motor shaft gap detection device of the present utility model;
The drawing shows that the device comprises a 1-base, a 2-horizontal fixed bench clamp, a 201-first screw, a 202-second screw, a 203-sliding groove, a 3-fixed clamp arm, a 4-movable clamp arm, a 5-screw, a 501-handle, a 6-dial gauge, a 601-flat head measuring needle, a 7-first positioning seat, a 701-first positioning plate, a 702-detection groove, an 8-second positioning seat, a 801-second positioning plate, a 802-top shaft groove, a 9-elastic pressure head assembly, a 901-shaft sleeve, a 902-pressure cover, a 903-movable shaft, a 904-limiting end, a 905-top shaft end, a 906-pressure head, a 907-spring, a 10-motor to be measured, a 11-motor main shaft, a 12-table frame and a 13-table rod jacket.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "upper" and "lower" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1 and 5, in a preferred embodiment, the universal detecting device for motor shaft gap of the present utility model includes a base 1, a dial gauge 6 is detachably connected to one side of the upper portion of the base 1 through a gauge stand 12, the gauge stand 12 can be lifted and lowered on the upper portion of the base 1, a gauge rod clamping sleeve 13 is disposed on the upper portion of the gauge stand 12, the gauge rod clamping sleeve 13 is used for clamping a gauge rod of the dial gauge 6, and the gauge rod clamping sleeve is adjusted in a horizontal direction and can be used for adjusting a distance between a flat head measuring needle 601 of the dial gauge 6 and a motor main shaft 11.
As shown in fig. 2 and 3, in a preferred embodiment, the upper part of the base 1 is provided with a horizontal fixing vise 2 located at one side of the table frame 12, and the horizontal fixing vise 2 is fixed to the upper part of the base 1 by bolts. One end of the horizontal fixed bench clamp 2, which is close to the dial indicator 6, is connected with a fixed clamp arm 3 through a bolt, a sliding groove 203 is formed in the bottom of the horizontal fixed bench clamp 2, the fixed clamp arm 3 can be adjusted in the horizontal direction at the lower part of the horizontal fixed bench clamp 2, a movable clamp arm 4 is connected in a sliding manner in the sliding groove, a screw 5 is connected between the horizontal fixed bench clamp 2 and the fixed clamp arm 3 in a rotating manner, the screw 5 is in threaded connection with the movable clamp arm 4, and the screw 5 is provided with a handle 501. The handle 501 is screwed to rotate the screw 5, and the screw 5 drives the movable clamp arm 4 to move in the axial direction of the horizontal fixed clamp 2, so that the movable clamp arm 4 approaches to or departs from the fixed clamp arm 3.
The lower part of the horizontal fixed bench clamp 2 is provided with a plurality of mounting holes, a first screw 201 and a second screw 202 matched with the mounting holes, and threaded holes matched with the first screw 201 and the second screw 202 are arranged at the lower parts of two sides of the fixed clamp arm 3 and the movable clamp arm 4. The first screw 201 is used to adjust the fixed caliper arm 3 in the horizontal direction of the horizontal fixed caliper 2 in cooperation with the mounting hole. The second screw 202 can stably position the movable clamp arm 4 after the movable clamp arm 4 moves to a proper position, so as to prevent the movable clamp arm 4 from moving erroneously due to the erroneous touching of the handle 501.
As shown in fig. 1 and 4, in a preferred embodiment, the upper parts of the fixed clamp arm 3 and the movable clamp arm 4 are fixedly connected with a first positioning seat 7 and a second positioning seat 8 respectively, and a motor 10 to be tested provided with a motor main shaft 11 is placed on the upper parts of the first positioning seat 7 and the second positioning seat 8. Specifically, the first positioning seat 7 and the second positioning seat 8 are respectively connected with a first positioning plate 701 and a second positioning plate 801, the first positioning plate 701 and the second positioning plate 801 are used for clamping the motor 10 to be tested, the first positioning plate 701 is provided with a detection groove 702, and the detection groove 702 is a through groove through which the power supply main shaft 11 with the notch extending upwards passes. The second positioning plate 801 is provided with a top shaft groove 802, and the first positioning plate 701 and the second positioning plate 801 are respectively provided with a V-shaped groove or an arc-shaped groove which are arranged oppositely and used for placing the motor 10 to be tested.
As shown in fig. 1 and 6, in a preferred embodiment, an elastic pressure head assembly 9 with a top shaft end 905 is detachably connected to one side of the second positioning seat 8, the top shaft end 905 passes through the top shaft groove 802 and is on the same axis with the motor spindle 11 and the flat head probe 601, during detection, the motor 10 to be detected is placed between the first positioning plate 701 and the second positioning plate 801, one end of the motor column 11 is aligned with the top shaft groove 802, the other end passes through the detection groove 702 and is aligned with the flat head probe 601, the elastic pressure head assembly 9 is driven, the top shaft end 905 passes through the top shaft groove 802 and pushes the motor spindle 11, the other end of the motor spindle 11 abuts against the flat head probe 601, the detection method of the dial gauge 6 is disclosed by the prior art of the inventor, and the detection method of the dial gauge 6 is not repeated herein.
In a preferred embodiment, the elastic ram assembly 9 comprises a sleeve 901 removably connected to the second positioning seat 8, the sleeve 901 being fixed to one side of the second positioning seat 8 by means of screws. The movable shaft 903 is slidably connected to the sleeve 901, a gland 902 is covered on one side of the sleeve 901, and the gland 902 can prevent the movable shaft 903 from moving out. The movable shaft 903 includes a limiting end 904 positioned within the sleeve 901, the limiting end 904 preventing the movable shaft 903 from moving out of the other end of the sleeve 901, ensuring proper sliding movement of the movable shaft 903 within the sleeve 901. The two ends of the shaft sleeve 901 are respectively provided with a top shaft end 905 and a pressure head 906, the top shaft end 905 is used for pushing the motor main shaft 11 through the top shaft groove 802, the pressure head 906 drives the movable shaft 903 to move in the shaft sleeve 901, the periphery of the movable shaft 903 is sleeved with a spring 907 which moves inside the shaft sleeve 901, the spring 907 can prevent the motor main shaft 11 from being excessively pressed, and the movable shaft 903 and the top shaft end 905 can be reset after detection.
When the horizontal fixed bench clamp 2 is used, the horizontal fixed bench clamp 2 is adjusted to a proper position in advance according to the size condition of a motor and locked, a motor 10 to be tested is placed between a first locating plate 701 and a second locating plate 801 of a first locating seat 7 and a second locating seat 8, a top shaft end 905 of an elastic pressure head assembly 9 is inserted into an end cover hole at one end of the motor 10 to be tested and aligned to a positive motor main shaft 11, a flat head measuring needle 601 at the other end of the motor main shaft 11 is aligned to the adjusted position, a movable clamp arm 4 is moved by rotating a screw 5 on the horizontal fixed bench clamp 2 through a handle 501, the second locating seat is driven to clamp the motor 10 to be tested through the movable clamp arm 4, then a dial gauge 6 is preloaded to a certain value, and a pressure head 906 of the elastic pressure head assembly 9 is pressed to a limit position, and the apparent change value is the axial gap value of the motor main shaft.
While the preferred embodiments and examples of the present utility model have been described in detail with reference to the accompanying drawings, the present utility model is not limited to the embodiments and examples described above, and various changes and equivalent substitutions can be made therein without departing from the spirit of the present utility model within the knowledge of those skilled in the art, and therefore, the present utility model is not limited to the embodiments disclosed herein, and all embodiments falling within the scope of the appended claims are intended to be embraced by the present utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422286993.5U CN223179472U (en) | 2024-09-19 | 2024-09-19 | A universal detection device for motor shaft clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422286993.5U CN223179472U (en) | 2024-09-19 | 2024-09-19 | A universal detection device for motor shaft clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223179472U true CN223179472U (en) | 2025-08-01 |
Family
ID=96536013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422286993.5U Active CN223179472U (en) | 2024-09-19 | 2024-09-19 | A universal detection device for motor shaft clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223179472U (en) |
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2024
- 2024-09-19 CN CN202422286993.5U patent/CN223179472U/en active Active
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