CN217541820U - Detection apparatus for rotor shaft external diameter - Google Patents
Detection apparatus for rotor shaft external diameter Download PDFInfo
- Publication number
- CN217541820U CN217541820U CN202220772400.4U CN202220772400U CN217541820U CN 217541820 U CN217541820 U CN 217541820U CN 202220772400 U CN202220772400 U CN 202220772400U CN 217541820 U CN217541820 U CN 217541820U
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- rotor shaft
- slide rail
- groove
- steel ball
- limiting
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 48
- 239000010959 steel Substances 0.000 claims description 48
- 238000001125 extrusion Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a detection apparatus for rotor shaft external diameter, including the frame, arrange the slide rail in the frame in and arrange the slide rail in on the reciprocating type gliding spacing seat structure of rotor shaft of direction of slide rail, the rotor shaft is fixed spacing in the spacing seat structure of rotor shaft, and the one end of slide rail is rotor shaft material loading end, the other end of slide rail is rotor shaft detection end, and the position that the slide rail is close to rotor shaft detection end has laser diameter measuring instrument, and laser diameter measuring instrument's laser emission route is perpendicular with the axial direction of slide rail, has in the frame with laser diameter measuring instrument electric connection's display screen. The utility model has the advantages of as follows: the detection precision is ensured, and the detection efficiency is greatly improved.
Description
The technical field is as follows:
the utility model belongs to the rotor shaft field, concretely relates to detection apparatus for rotor shaft external diameter.
Background art:
at present, a stator and a rotor are important components of a motor, the best fit clearance between the rotor and the stator is calculated by a designer, the stator and the rotor are produced according to the designed clearance during production, the clearance between the stator and the rotor designed by the designer is required to be reached, the size of the rotor and the size of the stator are required to meet the design requirement, and in actual production application, when the stator and the rotor are assembled, precise detection equipment is required to be used for measuring the outer diameter of the rotor.
The utility model has the following contents:
the utility model aims at overcoming the above not enough, provide a detection device of rotor shaft external diameter, guarantee to detect the precision, improve detection efficiency greatly.
The purpose of the utility model is realized through the following technical scheme: a detection device for the outer diameter of a rotor shaft comprises a rack, a slide rail arranged on the rack and a rotor shaft limiting seat structure which is arranged on the slide rail and slides in a reciprocating manner along the direction of the slide rail, wherein the rotor shaft is fixedly limited in the rotor shaft limiting seat structure;
the rotor shaft limiting seat structure comprises a rotor shaft limiting seat which slides on a slide rail and a limiting groove which is arranged on the rotor shaft limiting seat, the opening of the limiting groove is arranged upwards, a rotor shaft is vertically arranged in the limiting groove, the upper end of the rotor shaft protrudes out of the limiting groove, a plurality of steel ball groove bodies which are distributed in a uniform circumference mode are arranged on the periphery of the inner wall of the limiting groove, steel balls are embedded in the steel ball groove bodies, the side end faces of the steel balls protrude out of the steel ball groove bodies and are in contact with the outer wall of the rotor shaft, a transversely arranged spring is arranged between the steel balls and the bottom of the steel ball groove bodies, the rotor shaft is vertically arranged in the limiting groove and is fixed and limited with the rotor shaft limiting seat under the elastic extrusion action of the spring on the steel balls, the rotor shaft limiting seat slides to the rotor shaft detection end of the slide rail, the central axis of the rotor shaft is enabled to vertically correspond to the diameter measuring line of a laser diameter measuring instrument, and therefore the detection of the outer diameter of the rotor shaft is achieved.
The utility model discloses a further improvement lies in: the steel ball groove body comprises a first groove body matched with the steel balls and a second groove body arranged at the bottom of the first groove body, two side ends of the first groove body are provided with arc surfaces matched with the outer side walls of the steel balls, the joint of the first groove body and the second groove body is in smooth transition, and the length of the first groove body is larger than the diameter of the steel balls.
The utility model discloses a further improvement lies in: the bottom central point of spacing groove puts and has the aspirating hole, and the aspirating hole contacts with the lower terminal surface of rotor shaft, and the one end that the rotor shaft was kept away from to the aspirating hole is connected with the aspiration pump through the exhaust tube, and the lower terminal surface of rotor shaft contacts with the aspirating hole to under the action of air-bleed to the aspirating hole inside at the aspiration pump, make the lower terminal surface of rotor shaft hug closely the setting in the bottom of spacing groove.
The utility model discloses a further improvement lies in: the upper end of the limit groove is provided with a convenient rotor a guide groove into which the shaft is vertically inserted.
The utility model discloses a further improvement lies in: the rotor shaft limiting seat is vertically divided into an upper limiting seat body and a lower limiting seat body by taking a horizontal central axis of the steel ball as an interface, and the upper limiting seat body and the lower limiting seat body are fixed by welding.
The utility model discloses a further improvement lies in: the slide rail is I-shaped column structure, the lower extreme of the spacing seat of rotor shaft is the C type chimera that the cover was established on the slide rail, C type chimera and the spacing seat fixed connection of rotor shaft, the both sides of slide rail have the rack, the extending direction of rack is unanimous with the extending direction of slide rail, both sides that run through the C type chimera all have the pivot, the one end that the pivot is close to the rack has the gear with rack looks meshing, driving motor is connected to the other end of pivot, driving motor sets up the outside terminal surface at the C type chimera.
The utility model discloses a further improvement lies in: the rotating shaft penetrates through the outer circumference of the C-shaped mosaic body and is sleeved with a bearing.
Compared with the prior art, the utility model has the following advantage:
1. the utility model adopts a special rotor shaft limiting seat structure, and the laser diameter measuring instrument is used for rapidly detecting the outer diameter of the rotor shaft, thereby changing the traditional manual detection and improving the detection precision and the detection efficiency greatly; secondly, the rotor shaft is vertically limited in the rotor shaft limiting seat structure, the outer portion of the rotor shaft is always in stable contact with the limiting groove through the extrusion force of the steel balls, so that the rotor shaft can always be guaranteed to be longitudinally arranged in the limiting groove along with the reciprocating movement of the rotor shaft limiting seat structure on the sliding rail, the phenomenon of deviation caused by shaking in the reciprocating movement process can be avoided, the outer diameter of the rotor shaft can be detected, and the detection quality can be guaranteed.
2. The rotor shaft is vertically placed in the limiting groove manually, the steel balls in contact with the outer wall of the rotor shaft compress the spring inwards after being subjected to outward extrusion force of the rotor shaft, the extrusion force disappears after the rotor shaft is placed in the limiting groove, the steel balls move towards the outer wall of the rotor shaft in a concentrated mode under the elastic force action of the spring and press the rotor shaft tightly, and the rotor shaft is in stable contact with the limiting groove; secondly, the lower terminal surface of rotor shaft contacts with the aspirating hole to under the effect of aspiration pump to the aspirating hole inside, make the lower terminal surface of rotor shaft hug closely and set up in the bottom of spacing groove, further guaranteed the stable connection of rotor shaft with the spacing groove, avoid appearing rocking the off normal and influence the detection precision reciprocating type removal in-process.
Description of the drawings:
fig. 1 is a schematic structural view of the device for detecting the outer diameter of the rotor shaft of the present invention.
Fig. 2 is a side sectional view of the device for detecting the outer diameter of the rotor shaft of the present invention.
Fig. 3 is the structure diagram of the rotor shaft limiting seat structure of the device for detecting the outer diameter of the rotor shaft of the present invention.
Reference numbers in the figures:
1-slide rail, 2-rotor shaft, 3-frame, 4-rotor shaft limit seat structure, 5-laser diameter measuring instrument, 6-display screen, 7-rack, 8-rotating shaft, 9-gear, 10-driving motor, 11-bearing;
41-rotor shaft limiting seat, 42-limiting groove, 43-steel ball groove body, 44-steel ball, 45-spring, 46-air suction hole, 47-air suction pump and 48-guiding groove;
431-a first groove body, 432-a second groove body and 433-a circular arc surface;
411-upper retainer, 412-lower retainer, 413-C type chimera.
The specific implementation mode is as follows:
in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship, such as those based on the drawings, are only for convenience of description and simplification of description, and do not indicate or imply that the structures or units indicated must have a specific orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise specifically stated or limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediary, and those skilled in the art can understand the basic meaning of the terms in the present invention according to specific situations.
Fig. 1 shows an embodiment of a device for detecting an outer diameter of a rotor shaft of the present invention, which includes a frame 3, a slide rail 1 disposed on the frame 3 and a rotor shaft limiting seat structure 4 disposed on the slide rail 1 and sliding reciprocally along a direction of the slide rail 1, a rotor shaft 2 fixed and limited in the rotor shaft limiting seat structure 4, one end of the slide rail 1 being a rotor shaft feeding end, the other end of the slide rail 1 being a rotor shaft detecting end, a laser diameter measuring instrument 5 being disposed at a position of the slide rail 1 close to the rotor shaft detecting end, a laser emission path of the laser diameter measuring instrument 5 being perpendicular to an axial direction of the slide rail 1, and a display screen 6 electrically connected to the laser diameter measuring instrument 5 being disposed on the frame 3;
as shown in fig. 2 and 3, the rotor shaft limiting seat structure 4 includes a rotor shaft limiting seat 41 sliding on the slide rail 1 and a limiting groove 42 disposed on the rotor shaft limiting seat 41, an opening of the limiting groove 42 is disposed upward, the rotor shaft 2 is vertically disposed in the limiting groove 42, an upper end of the rotor shaft 2 protrudes out of the limiting groove 42, a plurality of steel ball groove bodies 43 distributed in a uniform circumference are disposed around an inner wall of the limiting groove 42, a steel ball 44 is embedded in the steel ball groove body 43, a side end face of the steel ball 44 protrudes out of the steel ball groove body 43 and contacts with an outer wall of the rotor shaft 2, a spring 45 transversely disposed is disposed between the steel ball 44 and a bottom of the steel ball groove body 43, the rotor shaft 2 is vertically disposed in the limiting groove 42 and fixed and limited by the spring 45 to the rotor shaft limiting seat 41 under an elastic force extrusion effect of the steel ball 44, the rotor shaft limiting seat 41 slides to a rotor shaft detection end of the slide rail 1, so that a central axis of the rotor shaft 2 vertically corresponds to a diameter measurement line of the laser diameter measurement instrument 5, thereby realizing detection of the outer diameter of the rotor shaft 2.
The utility model adopts a special rotor shaft limiting seat structure 4, and rapidly detects the outer diameter of the rotor shaft 2 through the laser diameter measuring instrument 5, thereby changing the traditional manual detection and improving the detection precision and the detection efficiency greatly; secondly, the vertical spacing of rotor shaft 2 is in rotor shaft spacing seat structure 4, the outside of rotor shaft 2 is through the extrusion force of a plurality of steel balls 44 and all the time with spacing groove 42 steady contact, consequently rotor shaft 2 is along with the reciprocating type removal of rotor shaft spacing seat structure 4 on slide rail 1, can guarantee rotor shaft 2 vertically to set up in spacing groove 42 all the time, can not appear rocking the phenomenon of off normal at reciprocating type removal in-process, thereby realize the detection to 2 external diameters of rotor shaft, and then guarantee detection quality.
In this application, laser diameter measuring instrument 5 is current structure, laser diameter measuring instrument 5 includes transmission signal part and received signal part, transmission signal part and received signal part set up respectively in the both sides position of rotor shaft 2, the laser emission route that transmission signal part sent to rotor shaft 2 is perpendicular with the axial direction of slide rail 1, the width in laser emission route is greater than the diameter of rotor shaft 2 generally simultaneously, laser emission route is received by received signal part through rotor shaft 2 to the external diameter of discernment rotor shaft 2, and show data signal on display screen 6, supply operating personnel to filter, because laser diameter measuring instrument 5 is current commercial product, so do not specifically describe to this structure and attach the figure illustrated.
Further, the steel ball groove 43 comprises a first groove 431 matched with the steel ball 44 and a second groove 432 arranged at the bottom of the first groove 431, two side ends of the first groove 431 are provided with arc surfaces 433 matched with the outer side wall of the steel ball 44, the joint of the first groove 431 and the second groove 432 is in smooth transition, and the length of the first groove 431 is larger than the diameter of the steel ball 44.
Furthermore, the bottom center of the limiting groove 42 is provided with an air extracting hole 46, the air extracting hole 46 contacts with the lower end face of the rotor shaft 2, one end of the air extracting hole 46, which is far away from the rotor shaft 2, is connected with an air extracting pump 47 through an air extracting pipe, the lower end face of the rotor shaft 2 contacts with the air extracting hole 46, and the lower end face of the rotor shaft 2 is tightly attached to the bottom of the limiting groove 42 under the air extracting effect of the air extracting pump 47 on the inside of the air extracting hole 46.
The rotor shaft 2 is vertically placed in the limiting groove 42 manually, the steel balls 44 in contact with the outer wall of the rotor shaft 2 compress the spring 45 inwards after being subjected to outward extrusion force of the rotor shaft 2, after the rotor shaft 2 is placed in the limiting groove 42, the extrusion force disappears, the steel balls 44 move towards the outer wall of the rotor shaft 2 in a concentrated mode under the elastic force of the spring 45 and press the rotor shaft 2, and therefore the rotor shaft 2 is in stable contact with the limiting groove 42; secondly, the lower end face of the rotor shaft 2 is in contact with the air suction hole 46, and under the air suction effect of the air suction pump 47 on the inside of the air suction hole 46, the lower end face of the rotor shaft 2 is tightly attached to the bottom of the limiting groove 42, so that the stable connection between the rotor shaft 2 and the limiting groove 42 is further ensured, and the influence on the detection precision caused by the shaking deviation in the reciprocating movement process is avoided.
Further, the upper end of the limit groove 42 is provided with a guide groove 48 for facilitating the vertical insertion of the rotor shaft 2. The arrangement of the guide groove 48 has good guidance for the vertical insertion of the rotor shaft 2.
Further, the rotor shaft stopper 41 is vertically divided into an upper stopper seat 411 and a lower stopper seat 412 by using a horizontal central axis of the steel ball 44 as an interface, and the upper stopper seat 411 and the lower stopper seat 412 are fixed by welding.
In this application, the rotor shaft stopper 41 is formed by welding the upper stopper 411 and the lower stopper 412, and after the steel balls 44 and the springs 45 are installed and positioned in the lower stopper 412, the upper stopper 411 and the lower stopper 412 are fixed, so that the installation is facilitated, of course, the upper stopper 411 and the lower stopper 412 may adopt a detachable connection fixing structure, so that the steel balls 44 and the springs 45 are conveniently detached and replaced when the installation is facilitated, and here, the fixing mode between the upper stopper 411 and the lower stopper 412 is not limited.
Furthermore, the slide rail 1 is of an i-shaped structure, the lower end of the rotor shaft limiting seat 41 is provided with a C-shaped mosaic body 413 which is sleeved on the slide rail 1, the C-shaped mosaic body 413 is fixedly connected with the rotor shaft limiting seat 41, racks 7 are arranged on two sides of the slide rail 1, the extending direction of the racks 7 is consistent with the extending direction of the slide rail 1, rotating shafts 8 are arranged on two sides penetrating through the C-shaped mosaic body 413, one end, close to the racks 7, of each rotating shaft 8 is provided with a gear 9 which is meshed with the corresponding rack 7, the other end of each rotating shaft 8 is connected with a driving motor 10, and the driving motor 10 is arranged on the end face of the outer side of the C-shaped mosaic body 413.
Further, a bearing 11 is sleeved on the outer circumference of the rotating shaft 8 penetrating through the C-shaped embedded body 413.
In this application, driving motor 10 starts the back, drive the epaxial gear 9 of pivot 8 and rotate, thereby realize the meshing transmission of gear 9 on rack 7, make the chimeric body 413 of C type slide on slide rail 1, driving motor 10 is the motor that just reverses, can realize the reciprocating type slip of the spacing seat 41 of rotor shaft on slide rail 1, the spacing seat 41 of rotor shaft can realize unloading on rotor shaft material loading end position, the outer diameter detection is realized at rotor shaft detection end to the spacing seat 41 of rotor shaft, and the operation is convenient, and the detection efficiency is improved.
The present invention is not limited to the above-described embodiments, and the description of the embodiments and the description is only illustrative of the principles of the present invention, and various changes and modifications can be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A detection device for the outer diameter of a rotor shaft is characterized in that: the device comprises a rack (3), a slide rail (1) arranged on the rack (3) and a rotor shaft limiting seat structure (4) which is arranged on the slide rail (1) and slides in a reciprocating manner along the direction of the slide rail (1), wherein a rotor shaft (2) is fixedly limited in the rotor shaft limiting seat structure (4), one end of the slide rail (1) is a rotor shaft feeding end, the other end of the slide rail (1) is a rotor shaft detection end, a laser diameter measuring instrument (5) is arranged at a position, close to the rotor shaft detection end, of the slide rail (1), a laser emission path of the laser diameter measuring instrument (5) is vertical to the axial direction of the slide rail (1), and a display screen (6) electrically connected with the laser diameter measuring instrument (5) is arranged on the rack (3);
the rotor shaft limiting seat structure (4) comprises a rotor shaft limiting seat (41) sliding on a sliding rail (1) and a limiting groove (42) arranged on the rotor shaft limiting seat (41), wherein an opening of the limiting groove (42) is arranged upwards, the rotor shaft (2) is vertically placed in the limiting groove (42), the upper end of the rotor shaft (2) protrudes out of the limiting groove (42), a plurality of steel ball groove bodies (43) distributed in an equal circumference mode are arranged on the periphery of the inner wall of the limiting groove (42), steel balls (44) are embedded in the steel ball groove bodies (43), the side end faces of the steel balls (44) protrude out of the steel ball groove bodies (43) and are in contact with the outer wall of the rotor shaft (2), a transverse spring (45) is arranged between the steel balls (44) and the bottom of the steel ball groove bodies (43), the rotor shaft (2) is vertically arranged in the limiting groove (42) and is fixed and limited by the rotor shaft limiting seat (41) under the elastic extrusion effect of the spring (45), the central axis (45) slides to the sliding rail (1), and the outer diameter of the rotor shaft (2) is measured by a laser, and the rotor shaft tester is used for measuring the rotor shaft (2) and detecting diameter measuring instrument and accordingly.
2. The apparatus for detecting an outer diameter of a rotor shaft according to claim 1, wherein: the steel ball groove body (43) comprises a first groove body (431) matched with the steel ball (44) and a second groove body (432) arranged at the bottom of the first groove body (431), two side ends of the first groove body (431) are provided with arc surfaces (433) matched with the outer side wall of the steel ball (44), the joint of the first groove body (431) and the second groove body (432) is in smooth transition, and the length of the first groove body (431) is larger than the diameter of the steel ball (44).
3. The apparatus for detecting an outer diameter of a rotor shaft according to claim 2, wherein: the bottom central point of spacing groove (42) puts and has aspirating hole (46), aspirating hole (46) contact with the lower terminal surface of rotor shaft (2), the one end that rotor shaft (2) were kept away from in aspirating hole (46) is connected with aspiration pump (47) through the exhaust tube, and the lower terminal surface of rotor shaft (2) contacts with aspirating hole (46) to under aspiration pump (47) to aspirating hole (46) inside air effect, make the lower terminal surface of rotor shaft (2) hug closely and set up the bottom in spacing groove (42).
4. The apparatus for detecting an outer diameter of a rotor shaft according to claim 3, wherein: the upper end of the limiting groove (42) is provided with a guide groove (48) which is convenient for the rotor shaft (2) to be inserted vertically.
5. The apparatus for detecting an outer diameter of a rotor shaft according to claim 4, wherein: the rotor shaft limiting seat (41) is vertically divided into an upper limiting seat body (411) and a lower limiting seat body (412) by taking a horizontal central axis of the steel ball (44) as an interface, and the upper limiting seat body (411) and the lower limiting seat body (412) are fixed through welding.
6. The apparatus for detecting an outer diameter of a rotor shaft according to claim 5, wherein: slide rail (1) is I shape column structure, the lower extreme of the spacing seat of rotor shaft (41) establishes the C type chimera (413) on slide rail (1) for the cover, the C type chimera (413) and the spacing seat of rotor shaft (41) fixed connection, the both sides of slide rail (1) have rack (7), the extending direction of rack (7) is unanimous with the extending direction of slide rail (1), and the both sides of running through the C type chimera (413) all have pivot (8), the one end that pivot (8) are close to rack (7) has gear (9) with rack (7) looks meshing, driving motor (10) are connected to the other end of pivot (8), driving motor (10) set up the outside terminal surface at the C type chimera (413).
7. The apparatus for detecting an outer diameter of a rotor shaft according to claim 6, wherein: and a bearing (11) is sleeved on the outer circumference of the rotating shaft (8) penetrating through the C-shaped mosaic body (413).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220772400.4U CN217541820U (en) | 2022-04-06 | 2022-04-06 | Detection apparatus for rotor shaft external diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220772400.4U CN217541820U (en) | 2022-04-06 | 2022-04-06 | Detection apparatus for rotor shaft external diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217541820U true CN217541820U (en) | 2022-10-04 |
Family
ID=83430306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220772400.4U Expired - Fee Related CN217541820U (en) | 2022-04-06 | 2022-04-06 | Detection apparatus for rotor shaft external diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217541820U (en) |
-
2022
- 2022-04-06 CN CN202220772400.4U patent/CN217541820U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221004 |
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| CF01 | Termination of patent right due to non-payment of annual fee |