Driving motor inspection clamp

Abstract

The utility model discloses a driving motor inspection clamp, comprising a support positioning mechanism, the support positioning mechanism comprises a pedestal, a first vertical plate used for installing a driving motor, and a pre-guiding column and a trimming pin used for fixing the direction of the driving motor, the first vertical plate is arranged on the pedestal, and the first vertical plate is arranged on the pedestal; the pre-guiding column is vertically arranged on the first vertical plate, the length of the pre-guiding column and the length of the trimming pin extend in the horizontal direction, the pre-guiding column and the trimming pin are vertically installed on the first vertical plate, a distance is kept between the pre-guiding column and the base in the vertical direction, and the clamping mechanism used for clamping the driving motor is arranged on the first vertical plate. A quick-plug straight connector electrically connected with a plug-in of the driving motor is arranged on the clamping mechanism, and the angle calibration mechanism is used for measuring the rotation angle of the driving motor and is arranged on a base of the supporting and positioning mechanism. The utility model solves the problem that an accurate positioning tool lacks at the initial stage of the development of the driving motor, resulting in inaccurate position calibration of the initial point and the end point of the sensor and finally affecting the performance of the assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of clamp, specifically relates to a driving motor inspection fixture. BACKGROUND

[0002] Driving motor loading operation, the rotation angle of the extension shaft is 0-102 °, which is controlled by the hall sensor. The lack of accurate positioning tooling in the early stage of driving motor development leads to inaccurate calibration of the initial point and the end point of the sensor, which ultimately affects the performance of the assembly. UTILITY MODEL CONTENT

[0003] In view of the above-mentioned prior art, the utility model provides a driving motor inspection fixture.

[0004] The purpose of the utility model is realized by the following technical scheme:

[0005] The utility model provides a driving motor inspection fixture, which comprises:

[0006] The support positioning mechanism comprises a base, a first vertical plate for mounting the driving motor, and a pre-guide column and a chamfered pin for fixing the driving motor orientation, the first vertical plate is arranged on the base, the pre-guide column is vertically arranged on the first vertical plate, the pre-guide column and the chamfered pin are both horizontally extended and vertically installed on the first vertical plate, and the pre-guide column is vertically spaced from the base;

[0007] The clamping mechanism for clamping the driving motor is arranged on the first vertical plate;

[0008] The quick plug connector electrically connected with the plug of the driving motor is arranged on the clamping mechanism; and

[0009] The angle calibration mechanism for measuring the rotation angle of the driving motor is arranged on the base of the support positioning mechanism.

[0010] In some embodiments, the clamping mechanism comprises:

[0011] The ultra-thin cylinder is arranged on the first vertical plate;

[0012] The pull rod is arranged on the extension shaft of the ultra-thin cylinder; and

[0013] The hook-shaped pressing plate for clamping the driving motor is sleeved on the pull rod through the axial elastic mechanism.

[0014] In some embodiments, the quick plug connector is arranged on the ultra-thin cylinder.

[0015] In some embodiments, the angle calibration mechanism comprises:

[0016] A bearing seat is arranged on the base;

[0017] A guide shaft is inserted and fixed on the bearing seat;

[0018] A positioning assembly is arranged on the guide shaft; and

[0019] An angle encoder is sleeved on the guide shaft and fixed on the bearing seat.

[0020] In some embodiments, a load mechanism for detecting the load running state of the driving motor is further included.

[0021] In some embodiments, the load mechanism comprises:

[0022] A second vertical plate is arranged on the base; and

[0023] A single-shaft magnetic powder brake is arranged on the second vertical plate and connected with the guide shaft through a shaft coupling.

[0024] The driving motor inspection fixture has the advantages of high speciality, simple operation, good positioning function, fast detection, and good cost efficiency.

[0025] 1. The driving motor inspection fixture has the advantages of high speciality, simple operation, good positioning function, fast detection, and good cost efficiency.

[0026] 2. The driving motor inspection fixture can provide stable torque load and ensure accurate angle calibration of the Hall angle sensor.

[0027] 3. The driving motor inspection fixture solves the problem of inaccurate positioning tooling at the initial stage of driving motor development, which leads to inaccurate calibration of the initial point and end point of the sensor and finally affects the performance of the assembly. BRIEF DESCRIPTION OF DRAWINGS

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

[0029] Fig. 1 is a structural schematic view of the driving motor inspection fixture provided in an embodiment of the present application;

[0030] Fig. 2 is a structural schematic view of the driving motor inspection fixture in an embodiment of the present application from a perspective;

[0031] Fig. 3It is a structural schematic diagram of the driving motor provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0032] In order to better understand the technical scheme of the application, the embodiments of the application are described in detail below with reference to the drawings.

[0033] The utility model provides a kind of driving motor test fixture, lack accurate positioning tool in the initial stage of driving motor development, leading to the problem that sensor initial point, termination point position calibration is not accurate.

[0034] As Figs. 1-3 As shown in an embodiment, the utility model provides a kind of driving motor test fixture, the driving motor test fixture is as auxiliary performance detection rack, for calibrating driving motor hall sensor position and providing clamping when driving motor operates.

[0035] The driving motor test fixture includes support positioning mechanism 10, clamping mechanism 20 and angle calibration mechanism 30.

[0036] Wherein, support positioning mechanism 10 includes base 101, first reinforcing rib 102, first vertical plate 103 for installing driving motor 60 and pre-guide column 104 for fixing driving motor 60 orientation, first reinforcing rib 102 cross section is reverse L shape and is bonded with the left side of first vertical plate 103, first vertical plate 103 and first reinforcing rib 102 are installed on the right side of base 101 by screw (for example, internal hexagonal cylindrical head screw), pre-guide column 104 and chamfered pin 105 length are all along horizontal extension and are vertically installed on first vertical plate 103, pre-guide column 104 keeps a certain distance from base 101 in vertical direction, chamfered pin 105 is close to pre-guide column 104;In an embodiment, chamfered pin is installed on first vertical plate 103 using hexagonal thin nut 205;

[0037] Clamping mechanism 20 for clamping driving motor 60 is arranged on first vertical plate 103;

[0038] Fast plug directly head 40 is electrically connected with the plug of driving motor 60 and is arranged on clamping mechanism 20;And

[0039] Angle calibration mechanism 30 is used for measuring the rotation angle of driving motor 60 and is arranged on the base 101 of support positioning mechanism 10.

[0040] In an embodiment, the clamping mechanism 20 comprises an ultra-thin cylinder 201 and a pull rod 202, the ultra-thin cylinder 201 is mounted on the left side of the first vertical plate 103 by screws, the threaded end of the pull rod 202 is screwed into the protruding shaft of the ultra-thin cylinder 201, and the pull rod 202 is sequentially sleeved with a spring 203 (as part of an axial elastic mechanism), a hook-shaped pressing plate 204, and a hexagonal thin nut 205, wherein the spring 203 is closer to the ultra-thin cylinder 201 than the hook-shaped pressing plate 204, and the hexagonal thin nut limits the movement range of the spring 203 and the hook-shaped pressing plate 204 on the pull rod 202; the outer peripheral wall of the hook-shaped pressing plate 204 is sleeved with a guide sleeve 206; the ultra-thin cylinder 201 is mounted with a quick plug-in direct head 40 electrically connected with the driving motor 60.

[0041] In an embodiment, the angle calibration mechanism 30 comprises a bearing seat 301 and an angle encoder 302, the bearing seat 301 is fixed to the base 101 by screws, the bearing seat 301 is penetrated with a guide shaft 303 and the guide shaft 303 is fixed on both sides by limiting plates 304, the right end of the guide shaft 303 is mounted with a positioning pin 305 and a positioning sleeve 306, the outer peripheral wall of the guide shaft 303 is sleeved with a deep groove ball bearing 307 and a limiting sleeve 308, and the angle encoder 302 is sleeved on the guide shaft 303 and fixed on the bearing seat 301 by screws.

[0042] In an embodiment, the driving motor inspection fixture further comprises a load mechanism 50, the load mechanism 50 comprises a second vertical plate 501, a second reinforcing rib 502, and a single-shaft magnetic powder brake 503, the second reinforcing rib 502 is L-shaped in cross section and is attached to the right side of the second vertical plate 501, the second vertical plate 501 and the second reinforcing rib 502 are mounted on the left side of the base 101 by screws, the single-shaft magnetic powder brake 503 is mounted on the left side of the second vertical plate 501, and the single-shaft magnetic powder brake 503 connects the coupling 504 with the guide shaft 303 through a flat key. In an embodiment, the single-shaft magnetic powder brake 503 is a 1.5KG single-shaft magnetic powder brake 503.

[0043] The working principle of the driving motor inspection fixture is as follows:

[0044] 1. Installation: the protruding shaft of the driving motor 60 is inserted into the positioning sleeve 306 of the driving motor inspection fixture, the chamfered pin is inserted into the housing hole of the driving motor 60, and then it is assembled to the end face attached to the first vertical plate 103, the pre-guide column 104 is fixed in position, the ultra-thin cylinder 201 is filled with air, the pull rod 202 is pulled back, and the hook-shaped pressing plate 204 clamps the driving motor 60 to accurately position the orientation of the protruding shaft of the driving motor 60.

[0045] 2. Hall angle calibration: the positioning sleeve 306 is connected to the extension shaft of the driving motor 60 and the angle encoder 302 through the guide shaft 303, the rotation angle of the extension shaft of the driving motor 60 is detected through the angle encoder 302, and the calibration point is written into the Hall sensor from zero (0°) to the end point (98°-102°).

[0046] 3. Running stability detection: the extension shaft of the driving motor 60 is reversed between 15°-85° for 10 cycles, the angle encoder 302 is connected to the single-shaft magnetic powder brake 503 through the shaft coupling 504, the brake outputs the corresponding torque according to the size of the input current after being powered, the rotation direction is opposite to that of the extension shaft of the driving motor 60, the loading running is simulated, and whether the driving motor 60 runs stably is judged by monitoring the dynamic angle, current and time curve of the driving motor 60. Specifically, the fast plug-in head 40 is connected to the driving motor 60 plug-in power supply, the driving motor 60 controls the rotation of the extension shaft through the transmission gear, the 1.5KG single-shaft magnetic powder brake 503 provides stable load torque during the detection process, the angle encoder 302 is automatically completed by the detection rack to calibrate the Hall angle of the assembly, and finally the running stability of the driving motor 60 is detected.

[0047] The driving motor test fixture has the characteristics of strong speciality and simple operation, and also has good positioning function, can help employees to realize rapid detection, and brings good cost benefit; the driving motor test fixture can provide stable torque load, and can also ensure that the Hall angle sensor can accurately calibrate the angle. The utility model solves the problems that the driving motor lacks accurate positioning tool in the early development stage, the initial point and the end point of the sensor are not accurately calibrated, and finally the performance of the assembly is affected.

[0048] The above only describes the preferred embodiment of one or more embodiments of the present application, and does not limit one or more embodiments of the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of one or more embodiments of the present application should be included in the protection scope of one or more embodiments of the present application.

Claims

1. A drive motor test fixture, characterized by, The utility model relates to a kind of drive motor positioning device, including: Support positioning mechanism, including pedestal, first vertical plate for installing driving motor and pre-guide column and chamfered pin for fixing driving motor azimuth, the first vertical plate is arranged on the pedestal, and the pre-guide column is vertically arranged on the first vertical plate, the pre-guide column and the chamfered pin length are all along horizontally extended and are vertically installed on the first vertical plate, the pre-guide column and the pedestal keep distance in vertical direction; Clamping mechanism for clamping driving motor, arranged on the first vertical plate; Quick plug-in direct head electrically connected with the plug-in of driving motor, arranged on the clamping mechanism; And Angle calibration mechanism for measuring the rotation angle of driving motor, arranged on the pedestal of support positioning mechanism.

2. The drive motor test fixture of claim 1, wherein, The clamping mechanism includes: Ultra-thin cylinder, arranged on the first vertical plate; Pull rod, arranged on the extension shaft of the ultra-thin cylinder;And Hook-shaped pressing plate for clamping driving motor, sleeved on the pull rod by axial elastic mechanism.

3. The drive motor test fixture of claim 2, wherein: The quick plug-in direct head is arranged on the ultra-thin cylinder.

4. The drive motor test fixture of claim 1, wherein, The angle calibration mechanism includes: Bearing seat, arranged on the pedestal; Guide shaft, inserted and fixed on the bearing seat; Positioning assembly, arranged on the guide shaft;And Angle encoder, sleeved on the guide shaft and fixed on the bearing seat.

5. The drive motor test fixture of claim 4, wherein, Also includes: Load mechanism for detecting the load running state of driving motor.

6. The drive motor test fixture of claim 5, wherein, The load mechanism includes: Second vertical plate, arranged on the pedestal;And Single-shaft magnetic powder brake, arranged on the second vertical plate and connected with the guide shaft through coupling.

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