CN212512839U - Outer rotor motor casing detection device - Google Patents
Outer rotor motor casing detection device Download PDFInfo
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- CN212512839U CN212512839U CN202021748164.XU CN202021748164U CN212512839U CN 212512839 U CN212512839 U CN 212512839U CN 202021748164 U CN202021748164 U CN 202021748164U CN 212512839 U CN212512839 U CN 212512839U
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Abstract
The utility model relates to an external rotor electric machine casing detection device, including three-jaw chuck: the claw body is used for abutting against the inner side of the shell; the middle shaft: the coaxial cable is arranged at the upper end of the base; a rotating arm: one end of the rotating arm is rotatably connected to the upper end of the middle shaft, the rotating arm extends along the horizontal direction, the rotating arm is detachably connected with the middle shaft, and a slide way is arranged on the rotating arm and extends along the length direction of the rotating arm; a pair of sliders: the slider slides to inlay and locates in the slide, is connected with between the slider and draws the spring, and the lower extreme of slider is provided with the fixed axle that extends along vertical direction, and coaxial rotation installs the butt piece on the fixed axle, and two butt pieces slide the butt respectively in the inboard and the outside of casing, and the current ruler of cooperation is placed on the rotor arm and is measured distance between the slider and the distance of slider apart from axis center to through the rotation of rotor arm, realize measuring wall thickness, internal diameter and the external diameter of casing different positions.
Description
Technical Field
The utility model belongs to the technical field of the technique of size detection instrument and specifically relates to an external rotor electric machine casing detection device is related to.
Background
The size detection tool is mainly used for detecting specific numerical values such as length, angle and the like obtained by the external structure of a product, and the existing tool comprises a ruler, an angle gauge and the like.
As shown in fig. 1, a conventional motor casing includes an annular casing 7, where bosses 71 extend from the inner side of the casing 7 at intervals in the circumferential direction, and the bosses 71 extend along the axial direction of the casing 7;
the motor shell is formed into a blank through casting, and then the inner side surface and the outer side surface of the shell are respectively machined through turning.
However, it is difficult to conveniently detect the inner diameter and the outer diameter of the housing with the conventional dimension detection tool.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide an external rotor electric machine casing detection device, form the route the same with casing internal diameter and external diameter on survey and drawing paper, through the convenient inside and outside footpath that obtains the casing of measuring the route.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an outer rotor motor casing detection device comprises
Three-jaw chuck: the claw body is used for abutting against the inner side of the shell;
the middle shaft: the coaxial cable is arranged at the upper end of the base;
a rotating arm: one end of the rotating arm is rotatably connected to the upper end of the middle shaft, the rotating arm extends along the horizontal direction, the rotating arm is detachably connected with the middle shaft, and a slide way is arranged on the rotating arm and extends along the length direction of the rotating arm;
a pair of sliders: the slider slides to inlay and locates in the slide, be connected with between the slider and draw the spring, the lower extreme of slider is provided with the fixed axle that extends along vertical direction, coaxial rotation installs the butt piece on the fixed axle, two the butt piece slides the butt respectively in the inboard and the outside of casing.
Through adopting above-mentioned technical scheme, when measuring the internal and external diameters of casing, place the casing on the base, then drive the claw body and extrude in the outside and the inboard of casing, the axis passes the casing, casing and axis relatively fixed, then install the rotor arm in centraxonial upper end, the inside and outside both sides of reseparation slider to casing, then under tension spring's effect, two gyro wheels butt respectively in the inside and outside both sides of casing, place the distance between the measurement slider on the rotor arm and the distance of slider apart from the axis center on cooperating current ruler, and through the rotation of rotor arm, realize the wall thickness to the casing different positions, internal diameter and external diameter measurement.
The present invention may be further configured in a preferred embodiment as: the abutting part adopts a roller, the roller is coaxially and rotatably arranged on the fixed shaft, and the roller and the shell are in rolling abutting connection.
Through adopting above-mentioned technical scheme, the rolling butt between gyro wheel and the casing, very big reduction the frictional resistance when detecting, avoid the casing fish tail.
The present invention may be further configured in a preferred embodiment as: the upper end of the middle shaft is provided with a prism groove, one end of the rotating arm is provided with a through hole, the prism groove is matched with a locking column in an inserting mode, and the locking column extends upwards to form a fixing column matched with the through hole in an inserting mode.
Through adopting above-mentioned technical scheme, inlay between through-hole and the fixed column and establish the cooperation, realize the rotor arm around axis pivoted purpose, realize the dismantlement between rotor arm and the axis simultaneously and be connected, the installation of the shell detection time of being convenient for.
The present invention may be further configured in a preferred embodiment as: the upper end of locking post is provided with the fixed plate, the fixed plate coats and is stamped the mapping paper, the upper end of slider is provided with the mapping pen, the butt between nib and the mapping paper of mapping pen.
Through adopting above-mentioned technical scheme, when the drive rotor arm, the survey and drawing pen is surveying and drawing supreme slip path that leaves, then will survey and drawing paper and take off, directly through present until survey and drawing distance and route to the distance of the centre of a circle between the supreme route, the diameter of a gyro wheel is subtracted to the distance of measuring, can be more convenient and fast promptly obtain required data.
The present invention may be further configured in a preferred embodiment as: the downside circumference interval of fixed plate is provided with the preforming that is used for extrudeing the survey and drawing paper, the one end of preforming is rotated and is installed on the fixed plate, the axis of rotation of preforming sets up along vertical direction.
Through adopting above-mentioned technical scheme, at the fixed plate lower extreme face attached with the survey and drawing paper before detecting at every turn to through rotating the preforming, realize that the survey and drawing paper hugs closely with the fixed plate on.
The present invention may be further configured in a preferred embodiment as: the outward flange of fixed plate downside extends there is the separation blade, the separation blade extends the setting along vertical direction, the one end extension that the axis was kept away from to the rotor arm has with separation blade butt complex stationary blade.
Through adopting above-mentioned technical scheme, before detecting for the butt between stationary blade and the separation blade, then drive the rotor arm again, until the stationary blade again with the separation blade laminating, avoid repeated formation road strength on the survey and drawing paper, cause the situation that survey and drawing paper breaks or the route becomes thick easily, guarantee the purpose of normal detection.
The present invention may be further configured in a preferred embodiment as: and a shifting lever is arranged at one end of the rotating arm far away from the center shaft.
Through adopting above-mentioned technical scheme, the driving rotor arm that the driving lever can be comparatively light.
To sum up, the utility model discloses a following at least one useful technological effect:
the driving rotor arm, the plotting pen leaves the route on the mapping paper, through current ruler direct measurement road strength, and then can be convenient the size that obtains the casing.
Drawings
FIG. 1 is a schematic structural view of a housing;
FIG. 2 is a schematic view of an assembly of an outer rotor motor casing inspection device;
FIG. 3 is an exploded view of the swivel arm and three-jaw chuck;
fig. 4 is a schematic view of the underside structure of the fixing plate.
In the figure, 1, a three-jaw chuck; 11. a base; 12. a claw body; 2. a middle shaft; 21. a prismatic groove; 3. a rotating arm; 31. a through hole; 32. a slideway; 4. a slider; 41. a fixed shaft; 42. a roller; 43. a tension spring; 44. a surveying and mapping pen; 45. a deflector rod; 46. a fixing sheet; 5. a locking post; 51. fixing a column; 6. a fixing plate; 61. tabletting; 62. surveying and mapping paper; 63. a baffle plate; 7. a housing; 71. and (4) a boss.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2 and 3, an outer rotor motor casing detection device includes a three-jaw chuck 1 and a measurement unit disposed on the three-jaw chuck 1, the three-jaw chuck 1 includes a base 11 and three jaw bodies 12 disposed at intervals in the circumferential direction, the measurement unit includes a center shaft 2 coaxially fixed on the base 11, a rotating arm 3 is rotatably mounted at the upper end of the center shaft 2, the rotating arm 3 extends in the horizontal direction, a pair of sliders 4 moving opposite or back to back are disposed on the rotating arm 3, abutting members respectively abutting against the inner side and the outer side of a housing are disposed at the lower end of the slider 4, and in this embodiment, opposite surfaces between the sliders 4 are respectively aligned with the abutting members in the vertical direction;
when measuring the internal and external diameters of the shell, place the casing on base 11, then drive claw body 12 extrudees in the outside and the inboard of casing, axis 2 passes the casing, casing and axis 2 relatively fixed, then install rotor arm 3 in the upper end of axis 2, and make two butt joints respectively butt in the inboard and the outside of casing, place the distance between the measurement slider 4 and the distance of slider 4 apart from axis 2 center on rotor arm 3 in cooperation with current ruler, and through the rotation of rotor arm 3, realize wall thickness, internal diameter and the external diameter measurement to the casing different positions.
As shown in fig. 2 and 3, a prism groove 21 is formed in the upper end of the middle shaft 2, a locking column 5 is detachably inserted in the prism groove 21, the locking column 5 upwards extends out of the prism groove 21 to form a fixing column 51, the fixing column 51 is cylindrical, a through hole 31 is formed in one end of the rotating arm 3 in a penetrating mode along the vertical direction, a matching is embedded between the through hole 31 and the fixing column 51, the purpose that the rotating arm 3 rotates around the axis of the middle shaft 2 is achieved, meanwhile, the rotating arm 3 and the middle shaft 2 are detachably connected, and the shell detection time measurement is convenient to install.
As shown in fig. 2 and 3, a slide way 32 extending along the length direction of the rotating arm 3 is provided, the sliding blocks 4 are all embedded in the slide way 32, a tension spring 43 is connected between the sliding blocks 4, the tension spring 43 has a tendency of driving the two sliding blocks 4 to move relatively, a fixed shaft 41 extends along the vertical direction at the lower end of the sliding block 4, the abutting member is a roller 42 coaxially rotatably provided on the fixed shaft 41, and a shift lever 45 extends at one end of the rotating arm 3 away from the central axis 2;
when detecting, separation slider 4 to the inside and outside both sides of casing, then under tension spring 43's effect, two gyro wheels 42 respectively the butt in the inside and outside both sides of casing, rethread driving lever 45 can be comparatively light drive rotor arm 3, roll the butt between gyro wheel 42 and the casing, very big reduction the frictional resistance when detecting, avoid the casing fish tail.
As shown in fig. 3 and 4, a fixing plate 6 is coaxially disposed at the upper end of the fixing column 51, the radius of the fixing plate 6 is greater than the length of the rotating arm 3, four pressing sheets 61 are circumferentially disposed at intervals on the lower end surface of the fixing plate 6, one end of each pressing sheet 61 is connected to the fixing plate 6 through a vertical rotating shaft, so that the pressing sheet 61 can rotate on the horizontal plane, a piece of mapping paper 62 is attached to the lower end surface of the fixing plate 6 before each detection, the piece of mapping paper 62 is attached to the fixing plate 6 by rotating the pressing sheet 61, a stylus 44 is fixed to the upper end of the sliding block, the tip of the stylus 44 abuts against the piece of mapping paper 62, and the tip of the stylus 44 is located on the axis of the roller 42;
when driving rotor 3, survey and drawing pen 44 is drawing to the last slip path that leaves, then takes off mapping paper 62, directly through present until survey and drawing to the distance between the last path and the distance of path to the centre of a circle, the distance of measuring subtracts the diameter of a gyro wheel 42, can be more convenient and fast obtain required data.
As shown in fig. 3 and 4, a blocking piece 63 extends from the edge of the lower end face of the fixed plate 6, the blocking piece 63 extends downward along the vertical direction, a fixing piece 46 extends from one end of the rotating arm 3 far away from the central shaft 2, and the fixing piece 46 extends upward along the vertical direction; before detecting for between stationary blade 46 and separation blade 63 the butt, then drive rotor arm 3 again, until stationary blade 46 again with the separation blade 63 laminating, avoid repeated formation road strength on survey and drawing paper 62, cause survey and drawing paper 62 to break or the situation that the route becomes thick easily, guarantee the purpose of normal detection.
The implementation principle of the embodiment is as follows:
before detection, firstly, the shell is sleeved outside the center shaft 2, then the driving claw body 12 extrudes and fixes the shell, so that the center shaft 2 and the shell are relatively fixed, then the rotating arm 3 is installed, the two rollers 42 are respectively abutted to the inner side and the outer side of the shell, and finally the fixing plate 6 and the surveying and mapping paper 62 are installed, so that the shell is positioned and installed on the detection device;
during the detection, it is rotatory to drive rotor arm 3 through driving lever 45 for surveying and mapping pen 44 leaves the route on surveying and mapping paper 62, takes off surveying and mapping paper 62 at last, measures through current ruler, obtains the internal diameter and the external diameter of casing thickness and casing.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides an external rotor electric machine casing detection device which characterized in that: comprises that
Three-jaw chuck (1): the clamp comprises a base (11) and claw bodies (12) arranged at intervals in the circumferential direction, wherein the claw bodies (12) are used for abutting against the inner side of a shell;
middle axis (2): is coaxially arranged at the upper end of the base (11);
rotating arm (3): one end of the rotating arm (3) is rotatably connected to the upper end of the middle shaft (2), the rotating arm (3) extends along the horizontal direction, the rotating arm (3) is detachably connected with the middle shaft (2), and a slide way (32) is arranged on the rotating arm (3) and extends along the length direction of the rotating arm;
a pair of sliders (4): slider (4) slip inlays and locates in slide (32), be connected with between slider (4) and draw the spring, the lower extreme of slider (4) is provided with along vertical direction extension fixed axle (41), coaxial rotation is installed the butt piece on fixed axle (41), two the butt piece slides respectively the butt in the inboard and the outside of casing.
2. The external rotor motor casing detection device according to claim 1, wherein: the abutting part adopts a roller (42), the roller (42) is coaxially and rotatably arranged on the fixed shaft (41), and the roller (42) is in rolling abutting connection with the shell.
3. The external rotor motor casing detection device according to claim 1, wherein: the upper end of the middle shaft (2) is provided with a prism groove (21), one end of the rotating arm (3) is provided with a through hole (31), a locking column (5) is inserted and matched in the prism groove (21), and the locking column (5) upwards extends to form a fixing column (51) which is inserted and matched with the through hole (31).
4. The external rotor motor casing detection device according to claim 3, wherein: the upper end of locking post (5) is provided with fixed plate (6), fixed plate (6) coats and is stamped mapping paper (62), the upper end of slider (4) is provided with mapping pen (44), the butt between nib and mapping paper (62) of mapping pen (44).
5. The external rotor motor casing detection device according to claim 4, wherein: the downside circumference interval of fixed plate (6) is provided with preforming (61) that are used for extrudeing survey and drawing paper (62), the one end of preforming (61) is rotated and is installed on fixed plate (6), the axis of rotation of preforming (61) sets up along vertical direction.
6. The external rotor motor casing detection device according to claim 4, wherein: the outer edge of fixed plate (6) downside extends and has separation blade (63), separation blade (63) extend along vertical direction and set up, the one end extension that axis (2) were kept away from in rotor arm (3) has with separation blade (63) butt complex stationary blade (46).
7. The external rotor motor casing detection device according to claim 1, wherein: and a deflector rod (45) is arranged at one end of the rotating arm (3) far away from the center shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748164.XU CN212512839U (en) | 2020-08-19 | 2020-08-19 | Outer rotor motor casing detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748164.XU CN212512839U (en) | 2020-08-19 | 2020-08-19 | Outer rotor motor casing detection device |
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| Publication Number | Publication Date |
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| CN212512839U true CN212512839U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021748164.XU Active CN212512839U (en) | 2020-08-19 | 2020-08-19 | Outer rotor motor casing detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720240A (en) * | 2021-08-27 | 2021-11-30 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle axle measuring device and measuring method thereof |
| CN117190837A (en) * | 2023-11-07 | 2023-12-08 | 嘉祥洪润电碳有限公司 | Automatic detection device for upper ring of graphite heat preservation cylinder |
-
2020
- 2020-08-19 CN CN202021748164.XU patent/CN212512839U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720240A (en) * | 2021-08-27 | 2021-11-30 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle axle measuring device and measuring method thereof |
| CN117190837A (en) * | 2023-11-07 | 2023-12-08 | 嘉祥洪润电碳有限公司 | Automatic detection device for upper ring of graphite heat preservation cylinder |
| CN117190837B (en) * | 2023-11-07 | 2024-01-16 | 嘉祥洪润电碳有限公司 | Automatic detection device for upper ring of graphite heat preservation cylinder |
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