CN212539042U

CN212539042U - Eccentricity detection device of motor casing

Info

Publication number: CN212539042U
Application number: CN202020905786.2U
Authority: CN
Inventors: 吕朝峰
Original assignee: Jiangsu Kaifeng Electronic Technology Co ltd
Current assignee: Jiangsu Kaifeng Electronic Technology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-12
Anticipated expiration: 2030-05-26

Abstract

The utility model relates to a motor production technical field just discloses an eccentric detection device of motor casing, the on-line screen storage device comprises a base, the lateral wall fixedly connected with fixed column of base upside, the fixed column is located the central point of base and puts, the upper end fixedly connected with location core bar of fixed column, the upper end of location core bar is the toper, fixed column external fixation cover is equipped with solid fixed cylinder, the through-hole has been seted up to the lateral wall of solid fixed cylinder downside, the fixed column runs through solid fixed cylinder through the through-hole, be provided with the motor casing in the solid fixed cylinder, two sliding holes have been seted up to solid fixed cylinder's outer wall symmetry, two equal activity has cup jointed the measuring stick in the sliding hole, the pole wall of measuring stick is provided with the scale mark, the sliding hole. The utility model discloses the eccentricity of detection motor casing that can be quick, the effectual detection efficiency that has improved the production efficiency of motor casing.

Description

Eccentricity detection device of motor casing

Technical Field

The utility model relates to a motor production technical field especially relates to an eccentric detection device of motor casing.

Background

The motor casing is the important component part of motor, mainly is used for protecting the inside part of motor, avoids the inside part of motor directly to expose, and the motor casing need carry out the eccentricity detection after production is accomplished, detects whether the eccentric error of motor casing is within the allowed range.

The existing eccentricity detection device carries out multi-point detection by using a micrometer, needs to carry out reading for many times, then calculates measured data, is relatively complex to operate, leads to lower eccentricity detection efficiency of a motor casing, and reduces the production efficiency of the motor casing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the lower problem of eccentric detection device's detection efficiency among the prior art, and the eccentric detection device of a motor casing that provides.

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

an eccentricity detection device of a motor casing comprises a base, wherein a fixed column is fixedly connected to the side wall of the upper side of the base and is positioned in the center of the base, a positioning core rod is fixedly connected to the upper end of the fixed column, the upper end of the positioning core rod is conical, a fixed cylinder is fixedly sleeved outside the fixed column, a through hole is formed in the side wall of the lower side of the fixed cylinder, the fixed column penetrates through the fixed cylinder through the through hole, the motor casing is arranged in the fixed cylinder, two sliding holes are symmetrically formed in the outer wall of the fixed cylinder, a measuring rod is movably sleeved in each sliding hole, the rod wall of the measuring rod is provided with a scale mark, the sliding holes extend out of two ends of the measuring rod, the rod wall of the measuring rod is in sliding connection with the outer wall of the fixed cylinder, a limit ring plate is fixedly sleeved on the rod wall of the measuring, the rod wall of the measuring rod is movably sleeved with a return spring, and the return spring is located between the limiting ring plate and the inner wall of the fixed cylinder.

Preferably, two jacks are symmetrically formed in the side wall of the upper side of the base, and fastening bolts are movably inserted into the two jacks.

Preferably, two limiting sliding grooves are symmetrically formed in the rod wall of the measuring rod, and two limiting sliding blocks matched with the limiting sliding grooves are symmetrically and fixedly connected to the outer wall of the fixed cylinder.

Preferably, two pull rods are symmetrically and fixedly connected to the rod wall of the measuring rod.

Preferably, the side wall of the lower side of the limit ring plate is fixedly connected with a sliding block, and the inner wall of the bottom of the fixed cylinder is provided with a sliding groove matched with the sliding block.

Preferably, one end of the measuring rod, which is close to the motor casing, is arc-shaped.

Compared with the prior art, the utility model provides an eccentric detection device of motor casing possesses following beneficial effect:

the eccentricity detection device of the motor shell comprises a base, a fixed column, a positioning core rod, a fixed cylinder, a motor shell, a sliding hole, measuring rods, a limiting ring plate and a return spring, wherein the motor shell is sleeved on the positioning core rod when the eccentricity detection device is used, the conical end of the positioning core rod is inserted into a hole in the upper end of the motor shell, the two measuring rods are pulled to be away from the motor shell, the motor shell is pressed downwards, the lower end of the motor shell is contacted with the bottom of the fixed cylinder, the two measuring rods are loosened, the return spring pushes the limiting ring plate to move under the action of the self resilience force of the return spring, the limiting ring plate drives the measuring rods to move, the measuring rods are contacted with the outer wall of the motor shell, whether the eccentricity of the motor shell meets an error standard or not is judged according to the deviation between the scale positions on the two measuring rods, the eccentricity of the motor shell does not meet the standard if the deviation is larger, the detection efficiency is effectively improved, and the production efficiency of the motor shell is improved.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the eccentricity of detection motor casing that can be quick, the effectual detection efficiency that has improved the production efficiency of motor casing.

Drawings

Fig. 1 is a schematic structural diagram of an eccentricity detection device of a motor casing according to the present invention;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a portion B in fig. 1.

In the figure: the device comprises a base 1, fixing columns 2, a positioning core rod 3, a fixing barrel 4, a motor shell 5, a sliding hole 6, a measuring rod 7, a limiting ring plate 8, a return spring 9, a jack 10, a fastening bolt 11, a limiting sliding groove 12, a limiting sliding block 13, a pull rod 14, a sliding block 15 and a sliding groove 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an eccentricity detection device of a motor casing comprises a base 1, a fixed column 2 is fixedly connected to the side wall of the upper side of the base 1, the fixed column 2 is located at the center of the base 1, a positioning core rod 3 is fixedly connected to the upper end of the fixed column 2, the upper end of the positioning core rod 3 is conical, a fixed cylinder 4 is fixedly sleeved outside the fixed column 2, a through hole is formed in the side wall of the lower side of the fixed cylinder 4, the fixed column 2 penetrates through the fixed cylinder 4 through the through hole, a motor casing 5 is arranged in the fixed cylinder 4, two sliding holes 6 are symmetrically formed in the outer wall of the fixed cylinder 4, a measuring rod 7 is movably sleeved in each of the two sliding holes 6, a scale mark is arranged on the rod wall of the measuring rod 7, the sliding holes 6 extend out of the two ends of the measuring rod 7, the rod wall of the measuring rod 7 is slidably connected with the outer wall of the, when the eccentric measuring device is used, the motor shell 5 is sleeved on the positioning core rod 3, the conical end of the positioning core rod 3 is inserted into a hole in the upper end of the motor shell 5, the two measuring rods 7 are pulled to enable the two measuring rods 7 to be far away from the motor shell 5, the motor shell 5 is pressed downwards to enable the lower end of the motor shell 5 to be in contact with the bottom of the fixed cylinder 4, the two measuring rods 7 are loosened, under the action of the self resilience force of the return spring 9, the return spring 9 pushes the limit ring plate 8 to move, the limit ring plate 8 drives the measuring rods 7 to move, the measuring rods 7 are enabled to be in contact with the outer wall of the motor shell 5, whether the eccentricity of the motor shell 5 meets an error standard or not is judged according to the deviation between the scale positions on the two measuring rods 7, if the deviation is larger, the deviation does not meet the standard, otherwise, the composite standard is determined, this device can be quick detection motor casing 5's eccentricity, the effectual detection efficiency that has improved motor casing 5's production efficiency.

Two jacks 10 are symmetrically formed in the side wall of the upper side of the base 1, and fastening bolts 11 are movably inserted into the two jacks 10, so that the fixing convenience of the base 1 is improved.

Two limiting sliding grooves 12 are symmetrically formed in the rod wall of the measuring rod 7, two limiting sliding blocks 13 matched with the limiting sliding grooves 12 are fixedly connected to the outer wall of the fixed cylinder 4 symmetrically, the limiting sliding grooves 12 are matched with the limiting sliding blocks 13, the measuring rod 7 can be limited, and the measuring rod 7 is prevented from inclining.

The two pull rods 14 are symmetrically and fixedly connected to the rod wall of the measuring rod 7, so that the measuring rod 7 can be conveniently pulled, and the convenience in operation is improved.

Lateral wall fixedly connected with slider 15 of 8 downside of spacing collar plate, the inner wall of 4 bottoms of solid fixed cylinder offer with slider 15 assorted spout 16, mutually support through slider 15 and spout 16, can carry on spacingly to spacing collar plate 8, avoid 8 slopes of spacing collar plate, improve the stability of spacing collar plate 8.

One end of the measuring rod 7 close to the motor casing 5 is arc-shaped, so that the contact area between the measuring rod 7 and the motor casing 5 is reduced, and the measuring accuracy is improved.

In the utility model, when in use, the motor shell 5 is sleeved on the positioning core bar 3, the conical end of the positioning core bar 3 is inserted into the hole at the upper end of the motor shell 5, the two measuring rods 7 are pulled, the two measuring rods 7 are far away from the motor shell 5, the motor shell 5 is pressed down, the lower end of the motor shell 5 is contacted with the bottom of the fixed cylinder 4, the two measuring rods 7 are loosened, under the action of the self resilience force of the return spring 9, the return spring 9 pushes the limit ring plate 8 to move, the limit ring plate 8 drives the measuring rod 7 to move, so that the measuring rod 7 is contacted with the outer wall of the motor shell 5, whether the eccentricity of the motor casing 5 meets the error standard or not is judged according to the deviation between the scale positions on the two measuring rods 7, the deviation is large, the eccentricity is not met, otherwise, the composite standard is adopted, the eccentricity of the motor casing 5 can be quickly detected by the device, the detection efficiency is effectively improved, and the production efficiency of the motor casing 5 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

1. The eccentricity detection device of the motor shell comprises a base (1) and is characterized in that a fixed column (2) is fixedly connected to the side wall of the upper side of the base (1), the fixed column (2) is located at the central position of the base (1), a positioning core rod (3) is fixedly connected to the upper end of the fixed column (2), the upper end of the positioning core rod (3) is conical, a fixed cylinder (4) is fixedly sleeved outside the fixed column (2), a through hole is formed in the side wall of the lower side of the fixed cylinder (4), the fixed column (2) penetrates through the fixed cylinder (4) through the through hole, the motor shell (5) is arranged in the fixed cylinder (4), two sliding holes (6) are symmetrically formed in the outer wall of the fixed cylinder (4), a measuring rod (7) is movably sleeved in the two sliding holes (6), and a scale mark is arranged on the rod wall of the measuring rod (, the utility model discloses a measuring instrument, including measuring stick (7), sliding hole (6) are all stretched out at the both ends of measuring stick (7), the pole wall of measuring stick (7) and the outer wall sliding connection of solid fixed cylinder (4), the fixed cover of pole wall of measuring stick (7) is equipped with spacing collar plate (8), spacing collar plate (8) are located solid fixed cylinder (4), the pole wall movable sleeve of measuring stick (7) is equipped with reset spring (9), reset spring (9) are located between the inner wall of spacing collar plate (8) and solid fixed cylinder (4).

2. The eccentricity detection device of the motor casing according to claim 1, wherein two insertion holes (10) are symmetrically formed in the side wall of the upper side of the base (1), and fastening bolts (11) are movably inserted into the two insertion holes (10).

3. The eccentricity detection device of a motor casing according to claim 1, wherein the rod wall of the measuring rod (7) is symmetrically provided with two limiting sliding grooves (12), and the outer wall of the fixed cylinder (4) is symmetrically and fixedly connected with two limiting sliding blocks (13) matched with the limiting sliding grooves (12).

4. The eccentricity detection device of a motor casing according to claim 1, characterized in that two pull rods (14) are symmetrically and fixedly connected to the rod wall of the measuring rod (7).

5. The eccentricity detection device of the motor casing according to claim 1, wherein a slide block (15) is fixedly connected to a side wall of the lower side of the limit ring plate (8), and a slide groove (16) matched with the slide block (15) is formed in the inner wall of the bottom of the fixed cylinder (4).

6. The eccentricity detection device of a motor casing as claimed in claim 1, wherein the end of the measuring rod (7) close to the motor casing (5) is arc-shaped.