CN116105585A - Motor shaft inner hole coaxiality detection device - Google Patents
Motor shaft inner hole coaxiality detection device Download PDFInfo
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- CN116105585A CN116105585A CN202310333664.9A CN202310333664A CN116105585A CN 116105585 A CN116105585 A CN 116105585A CN 202310333664 A CN202310333664 A CN 202310333664A CN 116105585 A CN116105585 A CN 116105585A
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- seat
- motor shaft
- supporting seat
- adjusting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a motor shaft inner hole coaxiality detection device which comprises a base, wherein a fixed supporting seat, a movable supporting seat and a sliding adjusting seat are arranged in a chute of the base, and the chute is arranged along the length direction of the base; the fixed supporting seat is fixed on the base, and the movable supporting seat and the sliding adjusting seat are respectively and slidably arranged on two sides of the fixed supporting seat; a connecting seat is fixed on the upper side of the sliding adjusting seat, and an instrument fixing seat is hinged on the connecting seat; the instrument fixing seat comprises a seat body and a clamping part, and an overhanging part is arranged on the seat body; the clamping part is provided with a lever meter; the overhanging part is provided with an instrument fixing seat adjusting mechanism. The invention has simple operation, time and labor saving, higher detection efficiency compared with a three-coordinate detection mode, and can conveniently carry out adaptive matching by adjusting the movable supporting seat according to different specifications and sizes of the motor shaft, thereby having better universality.
Description
Technical Field
The invention belongs to the technical field of machining production and manufacturing, and particularly relates to a motor shaft inner hole coaxiality detection device.
Background
The motor shaft is a cylindrical member extending from the motor and its housing, and is the primary support and connection member for the armature portion of the motor, and is the output member for the power generated by the motor, to convert the motor energy into an end use. Rigidity, intensity, surface roughness and straightness accuracy of motor shaft are the important technical requirement index in the manufacturing, when installation or cooperation demand is processed the hole on the motor shaft, hole and motor shaft axiality need be ensured, if the hole is too big for the axis radial runout of motor shaft, can cause motor shaft operating condition under unbalance, make the motor vibrate to can make the contact surface slope of axle and bearing at the bearing section, cause speed low, easy wearing and tearing, and can also make the connecting piece vibrate and produce the noise at the axle stretch, influence the motor performance. Therefore, coaxiality detection needs to be carried out on an inner hole of a motor shaft, in the prior art, the motor shaft is generally clamped and fixed, then three coordinates are adopted for detection, the operation is complex, the detection efficiency is low, the motor shaft detection process and the actual application working condition have large difference, and the detection quality is also certain insufficient. There is therefore a need for improvements over existing detection devices.
Disclosure of Invention
In view of the above, the present invention is directed to overcoming the defects in the prior art, and provides a device for detecting the coaxiality of an inner hole of a motor shaft.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the motor shaft inner hole coaxiality detection device comprises a base, wherein a fixed supporting seat, a movable supporting seat and a sliding adjusting seat are arranged in a sliding groove of the base, and the sliding groove is arranged along the length direction of the base; the fixed supporting seat is fixed on the base, and the movable supporting seat and the sliding adjusting seat are respectively and slidably arranged on two sides of the fixed supporting seat; a connecting seat is fixed on the upper side of the sliding adjusting seat, and an instrument fixing seat is hinged on the connecting seat; the instrument fixing seat comprises a seat body and a clamping part on the seat body, and an overhanging part is arranged on one side of the seat body away from the fixed supporting seat; the clamping part is provided with a lever meter, and a detection head of the lever meter faces one side of the fixed supporting seat; the overhanging part is provided with an instrument fixing seat adjusting mechanism.
Further, the clamping part comprises two clamping plates, a fixing groove is formed between the two clamping plates, and the clamping plates are tightened by a locking piece on the clamping part, so that the lever meter is fixed by the fixing groove.
Further, the connecting seat is U-shaped integrally and comprises a bottom plate part and side plate parts which are arranged on two sides of the bottom plate part in parallel, and the instrument fixing seat is hinged to a hinge shaft arranged between the two side plate parts.
Further, the connecting seat and the sliding adjusting seat are of an integrated structure.
Further, the instrument fixing seat adjusting mechanism comprises an adjusting screw vertically arranged on the overhanging part, the lower end of the adjusting screw is screwed on the base, an adjusting spring is sleeved on the adjusting screw, the lower end of the adjusting spring is propped against the base, and the upper end of the adjusting spring is propped against the lower side of the overhanging part.
Further, the fixed supporting seat and the top end of the movable supporting seat are respectively provided with a V-shaped supporting groove, and the V-shaped supporting grooves are consistent with the sliding groove in direction.
Further, the upper end surface of the V-shaped supporting groove of the fixed supporting seat is consistent with the upper end surface of the V-shaped supporting groove on the movable supporting seat in height.
Compared with the prior art, the invention has the following advantages:
the invention has the advantages of simple operation, time and labor saving, higher detection efficiency and lower operation cost compared with a three-coordinate detection mode, and can conveniently carry out adaptive matching by adjusting the movable supporting seat according to different specifications and sizes of the motor shaft, thereby having better universality, more approximate actual assembly and operation in the detection process, stable detection quality and less influence by external factors.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute an undue limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a schematic view of a portion of an adjustment mechanism for a meter holder in accordance with the present invention;
FIG. 5 is a schematic view of a sliding adjustment seat portion according to the present invention;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a schematic view of a meter holder according to the present invention;
FIG. 8 is a left side view of FIG. 7;
fig. 9 is a top view of a base in the present invention.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. 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. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
The device for detecting the coaxiality of the inner hole of the motor shaft comprises a base 1, wherein a fixed supporting seat 3, a movable supporting seat 4 and a sliding adjusting seat 5 are arranged in a sliding groove 2 of the base, and the sliding groove is arranged along the length direction of the base; the base is provided with a connecting hole 22 for installing the fixed supporting seat. The fixed supporting seat is fixed on the base, and the movable supporting seat and the sliding adjusting seat are respectively and slidably arranged on two sides of the fixed supporting seat. The upper side of the sliding adjustment seat is fixedly provided with a connecting seat 6, and the connecting seat is hinged with an instrument fixing seat 7. Generally, the connecting seat and the sliding adjustment seat may be an integrally formed structure. The movable supporting seat is slidably arranged in the chute, and can adaptively move along the axial direction according to different lengths of the workpieces to adjust the position, so that a reliable support is formed for the motor shaft.
The instrument fixing seat comprises a seat body 8 and a clamping part 9 on the seat body, and an overhanging part 10 is arranged on one side of the seat body away from the fixed supporting seat; the clamping part is provided with a lever meter 11, and a detection head of the lever meter faces one side of the fixed supporting seat. The instrument fixing seat adjusting mechanism 12 is arranged on the overhanging part, the instrument fixing seat adjusting mechanism comprises an adjusting screw 19 vertically arranged on the overhanging part, the lower end of the adjusting screw is screwed on the base, an adjusting spring 20 is sleeved on the adjusting screw, the lower end of the adjusting spring is propped against the base, and the upper end of the adjusting spring is propped against the lower side of the overhanging part. The lower parts of the fixed supporting seat, the movable supporting seat and the sliding adjusting seat are respectively provided with a sliding part matched with the sliding groove. The lever meter is kept stable through the instrument fixing seat adjusting mechanism, when the lever meter is subjected to larger vibration, the buffer effect can be achieved, the instrument fixing seat is in a floating installation mode, the rigidity of the instrument fixing seat is not fixed, the use safety of the instrument is effectively protected, meanwhile, when the instrument fixing seat adjusting mechanism is assembled and adjusted, the height and the inclination angle of the instrument fixing seat can be effectively changed by screwing the adjusting screw of the instrument fixing seat adjusting mechanism, the adjustment to the two directions of the lever meter X, Y can be directly completed equivalently, the two directions of the instrument X, Y are not required to be respectively adjusted, the operation is simple, the time and the labor are saved, and the detection efficiency is improved.
The clamping part comprises two clamping plates 13, a gap is reserved between the two clamping plates, a fixing groove 14 is formed at the root part of the two clamping plates, and the clamping plates are tightened by a locking piece 15 on the clamping part, so that the lever meter is fixed by the fixing groove. The connecting seat is U-shaped and comprises a bottom plate part 16 and side plate parts 17 which are arranged on two sides of the bottom plate part in parallel, and the instrument fixing seat is hinged with a hinge shaft 18 arranged between the two side plate parts.
Generally, the fixed support seat and the top end of the movable support seat are respectively provided with a V-shaped support groove, the V-shaped support grooves are consistent with the directions of the sliding grooves, and the upper end surfaces of the V-shaped support grooves of the fixed support seat are consistent with the upper end surfaces of the V-shaped support grooves of the movable support seat in height. In an alternative embodiment, the two side wall surfaces of the V-shaped supporting groove are provided with the supporting rollers 21, and the V-shaped supporting groove provided with the supporting rollers can form limit to the motor shaft better, and meanwhile, the axial adjustment operation of the motor shaft is smoother, and the rolling replaces sliding friction, so that scratches on the surface of the motor shaft are effectively avoided.
When the sliding chute is used, the fixed supporting seat is fixed on the bottom plate by the screw, and the movable supporting seat is slidably arranged in the sliding chute. Then the motor shaft 23 to be detected is placed, specifically, the pillow blocks with the left and right ends of the motor shaft as the reference are placed on the supporting seats on the corresponding sides, then the sliding adjusting seat (the lever meter is assembled on the meter fixing seat) is pushed towards the fixed supporting seat, the position of the gauge head of the lever meter is noted, the motor shaft is not required to be bumped, the height of the lever meter is initially adjusted, the distance is about 0-0.5mm higher than the lower edge of the hole wall of the inner hole of the motor shaft, then the sliding adjusting seat is pushed inwards (the side close to the fixed supporting seat) to reach the positioning position (the fixed supporting seat is used for axially positioning the sliding adjusting seat and is abutted against), the gauge head is visually checked, whether the gauge head falls in the detection area or not is judged, if the gauge head falls in the detection area or not, the adjustment screw is rotated, then the gauge head is pressed downwards for about 0.2mm, the motor shaft is slowly rotated for more than one circle, the deviation of the gauge needle is recorded, the jump (instead of coaxiality detection) of the inner hole of the reference pillow block is required to be detected, the gauge head is moved outwards (the side far from the fixed supporting seat), the motor shaft is replaced, the part is replaced, and the gauge head is measured, and the gauge head is needed to be replaced, and the gauge is needed, and the gauge is finished, and the gauge is used for the motor shaft is finished.
Compared with a three-coordinate detection mode, the invention has the advantages of higher detection efficiency, lower operation cost, direct installation and placement of the motor shaft to be detected, no need of complex clamping and fixing and posture adjustment operation, convenient adaptive matching by adjusting the movable supporting seat according to different specifications and sizes of the motor shaft, better universality, more approximate actual assembly and operation in the detection process, stable detection quality and little influence from external factors.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a motor shaft hole axiality detection device which characterized in that: the sliding device comprises a base, wherein a fixed supporting seat, a movable supporting seat and a sliding adjusting seat are arranged in a sliding groove of the base, and the sliding groove is arranged along the length direction of the base; the fixed supporting seat is fixed on the base, and the movable supporting seat and the sliding adjusting seat are respectively and slidably arranged on two sides of the fixed supporting seat; a connecting seat is fixed on the upper side of the sliding adjusting seat, and an instrument fixing seat is hinged on the connecting seat; the instrument fixing seat comprises a seat body and a clamping part on the seat body, and an overhanging part is arranged on one side of the seat body away from the fixed supporting seat; the clamping part is provided with a lever meter, and a detection head of the lever meter faces one side of the fixed supporting seat; the overhanging part is provided with an instrument fixing seat adjusting mechanism.
2. The motor shaft bore coaxiality detection device according to claim 1, wherein: the clamping part comprises two clamping plates, a fixing groove is formed between the two clamping plates, and the clamping plates are tightened by a locking piece on the clamping part, so that the lever meter is fixed by the fixing groove.
3. The motor shaft bore coaxiality detection device according to claim 1, wherein: the U-shaped connecting seat comprises a bottom plate part and side plate parts which are arranged at two sides of the bottom plate part in parallel, and the instrument fixing seat is hinged with a hinge shaft arranged between the two side plate parts.
4. A motor shaft bore coaxiality detection device as set forth in claim 3, wherein: the connecting seat and the sliding adjusting seat are of an integrated structure.
5. The motor shaft bore coaxiality detection device according to claim 1, wherein: the instrument fixing seat adjusting mechanism comprises an adjusting screw vertically arranged on the overhanging part, the lower end of the adjusting screw is screwed on the base, an adjusting spring is sleeved on the adjusting screw, the lower end of the adjusting spring is propped against the base, and the upper end of the adjusting spring is propped against the lower side of the overhanging part.
6. The motor shaft bore coaxiality detection device according to claim 1, wherein: the fixed supporting seat and the top end of the movable supporting seat are respectively provided with a V-shaped supporting groove, and the V-shaped supporting grooves are consistent with the sliding groove in direction.
7. The motor shaft bore coaxiality detection device as set forth in claim 6, wherein: the upper end surface of the V-shaped supporting groove of the fixed supporting seat is consistent with the upper end surface of the V-shaped supporting groove on the movable supporting seat in height.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310333664.9A CN116105585A (en) | 2023-03-31 | 2023-03-31 | Motor shaft inner hole coaxiality detection device |
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CN202310333664.9A CN116105585A (en) | 2023-03-31 | 2023-03-31 | Motor shaft inner hole coaxiality detection device |
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CN202310333664.9A Pending CN116105585A (en) | 2023-03-31 | 2023-03-31 | Motor shaft inner hole coaxiality detection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117906476A (en) * | 2024-03-13 | 2024-04-19 | 常州市昌隆电机股份有限公司 | Motor shaft inner hole coaxiality detection device |
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- 2023-03-31 CN CN202310333664.9A patent/CN116105585A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117906476A (en) * | 2024-03-13 | 2024-04-19 | 常州市昌隆电机股份有限公司 | Motor shaft inner hole coaxiality detection device |
CN117906476B (en) * | 2024-03-13 | 2024-05-17 | 常州市昌隆电机股份有限公司 | Motor shaft inner hole coaxiality detection device |
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