CN211452290U - Roughness detection device of commutator - Google Patents

Abstract

The utility model discloses a roughness measurement of commutator device, including base, rotor and commutator, first spout has been seted up to the base, first spout inner wall sliding connection has the slider, base top welded fastening has electric putter, electric putter's output shaft welded fastening has the slider, slider lateral wall welded fastening has the determine part, the second spout has been seted up to the base bottom, two nuts of second spout sliding connection have two nuts, two the common cover of nut is equipped with two-way lead screw, two the nut side welded fastening respectively has a mounting bracket. Through setting up two-way lead screw, nut and mounting bracket, can install the rotor of different models, increase the application scope of this device, through the setting of telescopic link, can be more comprehensive to the roughness detection scope on commutator surface, improve the accuracy that detects.

Description

Roughness detection device of commutator

Technical Field

The utility model relates to a commutator technical field especially relates to a roughness measurement of commutator device.

Background

In the detained permanent magnet motor and the unidirectional series excited motor, a commutator is a main part and greatly affects the quality of the motor, in order to reduce the noise of the motor and obtain an ideal commutation effect and improve the service life of a carbon brush and even the whole motor, the quality of commutator surface processing is one of indexes which are very important for motor manufacturers, wherein the detection result of the commutator surface roughness is an indispensable index, the commutator is of a cylindrical structure, and for the detection of the surface roughness, the traditional manual detection mode always needs to move a rotor and the commutator for many times in the detection process for measurement and detection, so that the error of data is large easily caused by people and equipment in the detection process, meanwhile, the detection result only covers a narrow strip-shaped curved surface contacted by a detection probe, and the detection result is not comprehensive enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a roughness detecting device of a commutator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a roughness detection device of a commutator comprises a base, a rotor and the commutator arranged on the rotor, wherein the base is of an L-shaped structure, a first chute is formed in the side wall of the base, the inner wall of the first chute is connected with a slide block in a sliding manner, an electric push rod is fixedly welded at the top end of the base, the output shaft of the electric push rod penetrates through the side wall of the base and extends into the first chute, the slide block is fixedly welded on the output shaft of the electric push rod and is connected in the first chute in a sliding manner, a detection part is fixedly welded on the side wall of the slide block, a second chute is formed in the bottom of the base, two nuts with symmetrical positions are slidably connected on the inner wall of the second chute, a bidirectional screw rod is sleeved on the two nuts with the two symmetrical positions, one end of the bidirectional screw rod penetrates through the base and is fixedly welded with, the mounting bracket rotates and is connected with the pivot of rotor, every the side that the mounting bracket was kept away from to the nut all welded fastening has the guide part.

Preferably, the detection part comprises a telescopic rod welded and fixed with the side wall of the sliding block, the telescopic rod and the bidirectional screw rod are located in the same vertical plane, and one end, far away from the sliding block, of the telescopic rod is fixedly connected with the roughness detector through screw threads.

Preferably, the guide part comprises a bottom groove formed in the lower end of the second sliding groove, two guide blocks are connected in the bottom groove in a sliding mode, and the two guide blocks are welded and fixed on the side walls of the two nuts far away from one end of the mounting frame respectively.

Preferably, a circular through hole is formed in the top of the mounting frame, and the aperture of the circular through hole is larger than the shaft diameter of the rotating shaft of the rotor.

Preferably, two nuts are symmetrical about the center of the bidirectional screw, and the rotor is located at the center of the device.

Preferably, the base welded fastening is on the support, two the side that the mounting bracket is close to the rotor inlays and is equipped with two and change the pearl, two it contacts with rotor and commutator respectively to change the pearl.

The utility model provides a beneficial effect:

1. through setting up two-way lead screw, nut and mounting bracket, through the distance size of adjusting two nut relative positions, can install the commutator pivot that the model differs in the circular jack of two mounting brackets, improve the application scope that this device used.

2. Through setting up telescopic link and roughness measurement ware, can be when fixed the rotation detection commutator roughness with the rotor, at the flexible roughness measurement ware that removes in commutator surface small circle, reach and detect the more comprehensive cover of commutator roughness, measuring result is more accurate, and roughness measurement ware passes through screw thread to be installed on the telescopic link simultaneously, conveniently dismantles the installation to roughness measurement ware to maintain or regularly calibrate roughness measurement ware.

3. Through setting up two and changeing the pearl on the nested mounting bracket, can carry on spacingly to the unequal rotor of big small model and commutator, avoid rotor and commutator to produce the displacement of horizontal direction among the testing process, change pearl cooperation rotor and commutator and rotate together, avoid changeing the pearl and producing the error at spacing in-process to the testing result.

Drawings

Fig. 1 is the utility model provides a roughness measurement device's of commutator structural schematic diagram.

Fig. 2 is an enlarged schematic view of a part a structure in the roughness detecting device of the commutator provided by the present invention.

Fig. 3 is a schematic diagram of a sectional structure of a side B-B of the roughness detecting device of the commutator provided by the present invention.

In the figure: the device comprises a base 1, a first sliding chute 2, a sliding block 3, an electric push rod 4, a telescopic rod 5, a second sliding chute 6, a bidirectional screw rod 7, a nut 8, a rotating handle 9, an installation frame 10, a rotor 11, a guide block 12, a roughness detector 13, a bottom groove 14, a commutator 15 and a rotating bead 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a roughness detecting device of a commutator, which comprises a base 1, a rotor 11 and a commutator 15 arranged on the rotor 11, wherein the base 1 is an L-shaped structure, and is characterized in that a first chute 2 is arranged on the side wall of the base 1, a slide block 3 is connected with the inner wall of the first chute 2 in a sliding manner, an electric push rod 4 is fixedly welded on the top end of the base 1, an output shaft of the electric push rod 4 penetrates through the side wall of the base 1 and extends into the first chute 2, a slide block 3 is fixedly welded on the output shaft of the electric push rod 4, the slide block 3 is connected with the first chute 2 in a sliding manner, a detecting component is fixedly welded on the side wall of the slide block 3, a second chute 6 is arranged at the bottom of the base 1, two nuts 8 with symmetrical positions are connected with the inner wall of the second chute 6 in a sliding manner, and welded fastening has the turning hand 9, and two 8 side welded fastening of nut have an installation bracket 10 respectively, and installation bracket 10 rotates the pivot that is connected with rotor 11, and every nut 8 keeps away from all welded fastening of the side of installation bracket 10 has the guide part.

The detection part comprises a telescopic rod 5 fixed with the side wall of the sliding block 3 in a welded mode, the telescopic rod 5 and the bidirectional screw 7 are located in the same vertical plane, one end, far away from the sliding block 3, of the telescopic rod 5 is fixedly connected with a roughness detector 13 through screw threads, the roughness detector 13 is matched with the telescopic pipe 5 to move in a small range on the surface of the commutator 15, and therefore the surface roughness of the commutator 15 is detected more comprehensively, the detection coverage is wider, and data are more real.

The guide part is including seting up at the kerve 14 of second spout 6 lower extreme, and two guide blocks 12 of 14 inslot sliding connection in kerve, two guide blocks 12 are welded fastening respectively and are kept away from the lateral wall of mounting bracket 10 one end at two nuts 8, and guide block 12 slides in the kerve 14 horizontal direction, guarantees that nut 8 drives the stroke of mounting bracket 10 in the horizontal direction.

Circular through-hole has been seted up at mounting bracket 10 top, and circular through-hole aperture is greater than rotor 11's pivot diameter of axle, and when the different rotor 11 of installation model, the pivot of its different diameters of axle still can rotate in circular through-hole, promotes the applicable scope of this device.

Base 1 welded fastening is on the support, and two side that two mounting brackets 10 are close to rotor 11 are inlayed and are equipped with two and change pearl 16, and two change pearl 16 contact with rotor 11 and commutator 15 respectively, change pearl 16 and play spacing effect, guarantee that rotor 11 can not take place the displacement of horizontal direction at the in-process that detects, change pearl 16 simultaneously along with rotor 11 and commutator 15 together rotate, avoided changeing 16 limiting displacement of pearl to produce the influence to the testing result.

In the utility model, firstly, the user can manually rotate the rotating hand 9 to drive the two nuts 8 on the two-way screw 7 to move to a proper distance in opposite directions, the rotating shaft of the rotor 11 is inserted into the circular through hole of the mounting frame 10, then the rotating hand 9 is rotated to make the side walls of the rotor 11 and the commutator 15 abut against the rotating ball 16, the length of the telescopic rod 5 is adjusted to make the detection end of the roughness detector 13 be positioned right above the commutator 15, then the electric push rod 4 is adjusted to drive the slider 3 to move up and down, the slider 3 drives the telescopic rod 5 and the roughness detector 13 to move down until the surface of the commutator 15 is well contacted, the user can manually rotate the rotor 11 to make the roughness detector 13 detect on the surface of the commutator 15, after rotating a circle, the telescopic rod 5 is adjusted in a small range, the roughness detector 13 slides at another position on the surface of the commutator 15, detect the roughness of the surface of the commutator 15 at different positions, the accuracy of detection is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A roughness detection device of a commutator comprises a base (1), a rotor (11) and a commutator (15) arranged on the rotor (11), wherein the base (1) is of an L-shaped structure, and is characterized in that a first sliding groove (2) is formed in the side wall of the base (1), a sliding block (3) is connected to the inner wall of the first sliding groove (2) in a sliding manner, an electric push rod (4) is fixed to the top end of the base (1) in a welding manner, an output shaft of the electric push rod (4) penetrates through the side wall of the base (1) and extends into the groove of the first sliding groove (2), the sliding block (3) is fixed to the output shaft of the electric push rod (4) in a welding manner, a detection part is fixed to the side wall of the sliding block (3) in a welding manner, a second sliding groove (6) is formed in the bottom of the base (1), two nuts (8) with symmetrical positions are connected to the inner wall of the second sliding groove (, two of position symmetry nut (8) common cover is equipped with two-way lead screw (7), base (1) is run through to two-way lead screw (7) one end, and welded fastening has rotating hand (9), two nut (8) side welded fastening respectively has one mounting bracket (10), the pivot run through rotation connection at rotor (11) both ends is on mounting bracket (10), every the equal welded fastening in side of mounting bracket (10) is kept away from in nut (8) has the guide part.

2. The roughness detection device of the commutator according to claim 1, wherein the detection component comprises a telescopic rod (5) welded and fixed with the side wall of the sliding block (3), the telescopic rod (5) and the bidirectional lead screw (7) are located in the same vertical plane, and one end of the telescopic rod (5) far away from the sliding block (3) is fixedly connected with the roughness detector (13) through screw threads.

3. The roughness detection device of a commutator according to claim 1, characterized in that the guide component comprises a bottom groove (14) arranged at the lower end of the second chute (6), two guide blocks (12) are connected in the bottom groove (14) in a sliding way, and the two guide blocks (12) are respectively welded and fixed on the side walls of one ends of the two nuts (8) far away from the mounting frame (10).

4. The roughness detection device of a commutator of claim 1, characterized in that, circular through hole is opened on the top of the mounting bracket (10), and the aperture of the circular through hole is larger than the shaft diameter of the rotating shaft of the rotor (11).

5. A commutator roughness tester as claimed in claim 1, wherein the two nuts (8) are symmetrical about the center of the bidirectional screw (7), and the rotor (11) is located at the center of the tester.

6. The roughness detection device of a commutator according to claim 1, characterized in that the base (1) is welded and fixed on a support, two rotating beads (16) are embedded on the side surfaces of the two mounting frames (10) close to the rotor (11), and the two rotating beads (16) are respectively contacted with the rotor (11) and the commutator (15).

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