CN216283316U - Detection device suitable for positioning shaft hole in differential mechanism - Google Patents
Detection device suitable for positioning shaft hole in differential mechanism Download PDFInfo
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- CN216283316U CN216283316U CN202121473596.9U CN202121473596U CN216283316U CN 216283316 U CN216283316 U CN 216283316U CN 202121473596 U CN202121473596 U CN 202121473596U CN 216283316 U CN216283316 U CN 216283316U
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Abstract
The utility model relates to a detection device suitable for positioning an axle hole in a differential, which comprises a shell and a detection assembly accommodated in the shell, wherein the detection assembly comprises: the carrying platform comprises two bearing parts which are arranged at intervals and used for supporting the differential mechanism; the detection part comprises a rotating platform and a detection unit arranged on the power output end of the rotating platform; the inner wall of the differential is circumferentially provided with at least two shaft holes, the shaft holes are used for connecting a gear rotating shaft, and meanwhile, the differential is hollow and at least one side surface of the differential is provided with an opening; the detection portion is arranged between the two bearing portions, the detection unit extends into the differential mechanism from the opening portion and drives the detection unit to rotate through the rotating table, so that the detection unit scans the circumferential shaft hole of the differential mechanism, and then whether the center of the shaft hole is on the same plane or not is detected.
Description
Technical Field
The utility model relates to the field of nonstandard automatic detection, in particular to a detection device suitable for positioning an upper shaft hole of a differential.
Background
The differential mechanism can realize a mechanism rotating at different rotating speeds, the differential mechanism enables the rotating speeds of two output shafts to be different through automatic adjustment, and the inventor finds that at least the following problems exist in the process of detecting the differential mechanism:
the differential mechanism comprises a planetary gear, a planetary gear carrier (differential mechanism shell), a half axle gear and other parts, wherein the power of an engine enters the differential mechanism through a transmission shaft to directly drive the planetary gear carrier, and then the planetary gear drives a left half and a right half, wherein the shell is in contact with a planetary gear gasket and the differential mechanism half axle gear, a planetary gear shaft hole on the differential mechanism shell is in clearance fit with a planetary gear shaft, and a half axle gear shaft neck is in clearance fit with a shell hole without obvious loose feeling so as to avoid stable transmission between gears. And simultaneously, the shaft hole setting on the differential case is on same horizontal plane, and the gear just can mesh with the adaptation to avoided the gear meshing to have the clearance, and influenced gear stability, consequently, need detect the size in shaft hole and the position in shaft hole.
In view of the above, it is necessary to develop a detection device suitable for positioning the axle hole of the differential to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model mainly aims to provide a detection device suitable for positioning an upper shaft hole of a differential, which comprises a shell and a detection assembly accommodated in the shell, wherein the detection assembly comprises:
the carrying platform comprises two bearing parts which are arranged at intervals and used for supporting the differential mechanism; and
the detection part comprises a rotating platform and a detection unit arranged on the power output end of the rotating platform;
the inner wall of the differential is circumferentially provided with at least two shaft holes, the shaft holes are used for connecting a gear rotating shaft, and meanwhile, the differential is hollow and at least one side surface of the differential is provided with an opening;
the detection portion is located two between the accepting portion, detecting element stretches into to differential mechanism in from uncovered, through the revolving stage drives detecting element rotates, makes detecting element scans differential mechanism ascending shaft hole in week, and then detects whether the center in shaft hole is on the coplanar.
Preferably, the bearing part is provided with a bearing groove; two corresponding sides of the differential extend outwards to form output ends, and the two output ends are respectively embedded in the bearing grooves corresponding to the bearing parts.
Preferably, the detection assembly further comprises a positioning part located outside one of the bearing parts;
the positioning part comprises a pushing unit which pushes an output end on the differential mechanism so that the differential mechanism is pressed on the other bearing part.
Preferably, a positioning block is mounted on the power output end of the pushing unit; wherein, the axle hole on the differential mechanism runs through the output end.
Preferably, the positioning block is tapered, and when the pushing unit pushes the differential, the positioning block is clamped in a shaft hole at the output end of the differential.
Preferably, the detection unit detects by a spot laser, and the detection unit rotates to form a spot circle image under the driving of the rotating table.
Preferably, the detection unit comprises a light source and a housing, and the housing is covered outside the light source; meanwhile, the outer cover is provided with a light hole, and laser generated by the light source penetrates through the light hole and is gathered on the inner wall of the differential mechanism.
Preferably, a side expansion plate extends from a side surface of the receiving portion, and is configured to receive the main body portion of the differential and the pushing unit, respectively.
Preferably, the receiving part comprises a first receiving plate and a second receiving plate;
the pushing unit is arranged close to one side of the second bearing plate, and a second side expansion plate formed by extending outwards on the side surface of the second bearing plate bears the pushing unit;
and a first side expansion plate is formed on the side surface of the first bearing plate, the first side expansion plate (1111) is used for bearing a main body part (32) of a differential (30), the first side expansion plate (1111) is positioned between the two bearing plates, and a gap for the detection unit to pass through is formed between the first side expansion plate and the second bearing plate.
Preferably, the housing comprises an operation table and an upper shell;
the detection assembly is placed on a working table surface of the operating table, and the upper shell is arranged on the working table surface of the operating table, so that the detection assembly is covered in the upper shell.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a detection device suitable for positioning an axle hole in a differential, wherein a rotary table drives a detection unit to rotate, so that the detection unit rotates by 360 degrees to scan the axle hole in the circumferential direction of the differential, and whether the centers of the axle holes are on the same plane is determined.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic perspective view of a detecting device according to an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
FIG. 3 is a perspective view of a first perspective of a detecting assembly according to an embodiment of the present invention;
FIG. 4 is a perspective view of a second perspective view of a detecting assembly according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a positioning portion according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a locating block in an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a detecting portion according to an embodiment of the present invention;
FIG. 8 is a top view of a detection assembly in accordance with an embodiment of the present invention.
Description of reference numerals:
10. a detection component;
11. a stage;
111. a first bearing plate; 1111. a first side expansion plate; 1112. a first receiving groove;
112. a second bearing plate; 1121. a second side expansion board; 1122. a second receiving groove;
12. a positioning part;
121. a pushing unit;
122. positioning blocks; 1221. a groove; 1222. a pointed cone sensing end;
13. a detection unit;
131. a laser detection unit; 1311. a light source; 1312. a housing; 13121. a light-transmitting hole;
132. a rotating table;
20. a housing;
21. an operation table;
22. an upper housing;
23. a control unit;
30. a differential mechanism; 31. a first output terminal; 32. a main body portion; 33. a second output terminal.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar language throughout the specification is not intended to imply any order, quantity, or importance, but rather the intention is to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.
Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
According to an embodiment of the present invention, as can be seen from fig. 1 and 2, a detection apparatus suitable for positioning an axle hole on a differential includes a housing 20 and a detection assembly 10 housed in the housing 20, the detection assembly 10 is used for detecting the axle hole on the differential, the differential is used as a precise transmission component, a plurality of gears are engaged with each other in the differential, so that the rotation speeds of two output shafts of the differential are different, and in order to ensure the stability of the differential, a loose feeling between the shaft and the axle hole or between the gear and the gear is avoided, therefore, the size of the axle hole needs to be detected to ensure that the axle hole is matched with the shaft on the differential, and at the same time, the axle hole is ensured to be on the same plane to ensure that the gear is matched with the gear, referring to fig. 3 and 4, the detection assembly 10 includes:
a carrier 11 including two receiving portions spaced apart from each other to support the differential 30; specifically, the bearing part is provided with a bearing groove; two corresponding sides of the differential 30 extend outwards to form output ends, and the two output ends are respectively embedded in the bearing grooves of the corresponding bearing parts, so that the differential 30 is limited on the bearing parts; and
a detection part 13 which comprises a rotating platform 132 and a detection unit 131 arranged on the power output end of the rotating platform 132, wherein the detection unit 131 rotates through an axle hole in the circumferential direction of the 360-degree scanning differential 30 under the driving of the rotating platform 132;
the differential mechanism 30 comprises a main body part 32, wherein the main body part 32 of the differential mechanism 30 is hollow, so that at least two shaft holes for connecting gear rotating shafts are circumferentially arranged on the inner wall of the main body part 32, and meanwhile, the differential mechanism 30 is hollow and is provided with an opening on at least one side surface;
the detection part 13 is arranged between the two bearing parts, the detection unit 131 extends into the differential mechanism 30 from the opening, and the rotation table 132 drives the detection unit 131 to rotate, so that the detection unit 131 scans the shaft hole on the circumference of the differential mechanism 30, and then detects whether the centers of the shaft holes are on the same plane; when the shaft holes are positioned on the same plane, the gears and the gears are meshed without loose feeling, so that the stability of gear transmission is ensured, and the service life of the differential is prolonged.
In a preferred embodiment, the detecting assembly 10 further includes a positioning portion 12 located outside a receiving portion, and the differential 30 is pressed against the differential 30 by the positioning portion 12, so that the differential 30 is fixed on the receiving portion;
the positioning portion 12 includes a pushing unit 121, and the pushing unit 121 pushes the output end of the differential 30, so that the differential 30 is pressed on another receiving portion.
Specifically, the receiving portion includes a first receiving plate 111 and a second receiving plate 112, the positioning portion 12 is disposed on the second receiving plate 112, a penetrating second receiving groove 1122 is formed on the second receiving plate 112, and a first receiving groove 1112 is formed on the first receiving plate 111; the output ends at two ends of the differential 30 are respectively a first output end 31 and a second output end 33, wherein the first receiving groove 1112 receives the first output end 31, the second receiving groove 1122 is provided with the second output end 33, when the positioning portion 12 pushes the differential 30, the positioning portion 12 applies a pushing force to the second output end 33 to drive the differential 30 to move towards the first receiving plate 111, and the first output end 31 is pressed on the inner wall of the first receiving groove 1112, so that the differential 30 is fixed.
As shown in fig. 5, a positioning block 122 is mounted on the power output end of the pushing unit 121; the axle hole of the differential 30 penetrates through the output end, and when the pushing unit 121 pushes the differential 30, the positioning block 122 extends into the axle hole of the output end.
In a preferred embodiment, the positioning block 122 is a tapered structure, when the pushing unit 121 pushes the differential 30, the positioning block 122 is tightly clamped in the axial hole at the output end of the differential 30, the tapered tip of the positioning block 122 extends into the axial hole at the output end, meanwhile, the detecting unit 131 corresponds to the tapered tip of the positioning block 122 to adjust the detecting position of the detecting unit 131, and the detecting unit 131 positions the scanning tapered tip to ensure that the detecting unit 131 accurately scans a horizontal plane when the detecting unit 131 rotates and scans, and determines whether the centers of other axial holes are on the same horizontal plane as the tapered tip.
Further, the detection unit 131 detects by the spot laser, and the detection unit 131 rotates to form a spot circle image by driving the rotation stage 132.
Furthermore, as shown in fig. 6, the cone tip end of the positioning block 122 extending into the shaft hole is recessed inwards, specifically, the positioning block 122 is in a frustum structure, an inwards recessed groove 1221 is formed in the bottom surface of the small side of the positioning block 122, a cone sensing end 1222 is arranged in the groove 1221, and the cone sensing end 1222 does not extend out of the groove 1221, because the stress area of the cone tip is small, when the cone tip fails to extend into the shaft hole accurately, the cone tip is easy to collide with the differential mechanism 30 to cause large cone tip stress and damage to the cone tip and/or the differential mechanism 30, and in order to avoid damage to the positioning block 122 and the differential mechanism 30 caused by collision, meanwhile, the cone tip can be positioned through the cone tip, and the cone sensing end 1222 is arranged in the groove 1221 while taking account for consideration.
Meanwhile, referring to fig. 7, the detection unit 131 includes a light source 1311 and a cover 1312, the cover 1312 covering the light source 1311; meanwhile, the cover 1312 is provided with a light hole 13121, the laser generated by the light source 1311 is converged on the inner wall of the differential 30 through the light hole 13121, the cover 1312 and the light source 1311 slide relative to each other, specifically, the light source 1311 is installed at the power output end of the rotary table 132, the cover 1312 and the light source 1311 are slidably connected, and the cover 1312 can limit the light source 1311 from diverging, so that a point of laser is formed by the light source 1311 penetrating through the light hole 13121. Meanwhile, as the cover 1312 slides relative to the light source 1311, the position of the light transmission hole 13121 relative to the light source 1311 can be changed, so that the position of light converged on the inner wall of the differential 30 is changed, the position of the point laser is adjusted, and the detection accuracy of the point laser corresponding to the pointed cone sensing end 1222 is guaranteed.
As shown in fig. 3 and 8, in a preferred embodiment, a side expanding plate extends from a side surface of the receiving portion for receiving the main body portion 32 and the pushing unit 121 of the differential 30.
The pushing unit 121 is disposed near one side of the second receiving plate 112, and a second side expanding plate 1121 formed by extending outward on a side surface of the second receiving plate 112 receives the pushing unit 121;
a first side expansion plate 1111 is formed on a side surface of the first receiving plate 111, the first side expansion plate 1111 is used for receiving the main body portion 32 of the differential 30, the first side expansion plate 1111 is located between the two receiving plates, the first side expansion plate 1111 is used for receiving a part of the main body portion 32 of the differential 30, and a gap for allowing the detection unit 131 to pass through is formed between the first side expansion plate 1111 and the second receiving plate 112, so that the detection unit 131 can extend into the main body portion 32 for detection.
On the other hand, the output end of the differential 30 is cylindrical, and when the positioning portion 12 limits the differential 30 to the receiving portion, the differential 30 can rotate around the axis direction of the output end, so that the detection unit 131 is difficult to extend into the opening; to ensure that the detection unit 131 protrudes into the differential 30, the differential 30 is restricted from rotating about the output end axis direction by the first side extension plate 1111.
As shown in FIG. 1, in a preferred embodiment, the housing 20 includes a console 21 and an upper housing 22;
wherein the detection assembly 10 is placed on the table top of the operation table 21, and the upper housing 22 is disposed on the table top of the operation table 21 so as to cover the detection assembly 10 therein.
The shell 20 is also provided with a control unit 23, the detection data of the differential 30 collected by the detection part 13 is transmitted to the control unit 23, and the data after calculation and/or conversion integration is displayed in a display module in the control unit 23; the control unit 23 extends out of the housing 20 to facilitate the control and detection of an operator outside the detection device, and at the same time, to facilitate the acquisition of detection data by the operator.
While embodiments of the utility model have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the utility model, and further modifications may readily be effected by those skilled in the art, so that the utility model is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (10)
1. Detection apparatus suitable for shaft hole on location differential, including shell (20) and accept in detection module (10) in shell (20), its characterized in that, detection module (10) include:
a carrier (11) including two receiving parts arranged at intervals for supporting the differential (30); and
a detection unit (13) which comprises a rotating table (132) and a detection unit (131) arranged on a power output end of the rotating table (132);
at least two shaft holes are circumferentially arranged on the inner wall of the differential (30), the shaft holes are used for connecting a gear rotating shaft, and meanwhile, the differential (30) is hollow and is provided with an opening on at least one side surface;
detection portion (13) are located two between the accepting portion, detecting element (131) stretch into to differential mechanism (30) in from uncovered, through revolving stage (132) drive detecting element (131) rotate, make detecting element (131) scan differential mechanism (30) ascending shaft hole in week, and then detect whether the center in shaft hole is on the coplanar.
2. The detecting device for detecting the rotation of the motor rotor as claimed in claim 1, wherein the bearing part is provided with a bearing groove; two corresponding sides of the differential (30) extend outwards to form output ends, and the two output ends are respectively embedded in the bearing grooves corresponding to the bearing parts.
3. The detecting device according to claim 2, characterized in that the detecting assembly (10) further comprises a positioning portion (12) located outside one of the bays;
the positioning part (12) comprises a pushing unit (121), and the pushing unit (121) pushes an output end on the differential (30) so that the differential (30) is pressed on the other bearing part.
4. The detection device according to claim 3, wherein a positioning block (122) is mounted on a power output end of the pushing unit (121); wherein, the axle hole on the differential mechanism (30) passes through the output end.
5. The detecting device according to claim 4, wherein the positioning block (122) is tapered, and when the pushing unit (121) pushes the differential (30), the positioning block (122) is clamped in the shaft hole of the output end of the differential (30).
6. The detecting device according to claim 1, wherein the detecting unit (131) detects by a spot laser, and the detecting unit (131) rotates to form a spot circle image by the driving of the rotating table (132).
7. The detection apparatus according to claim 6, wherein the detection unit (131) comprises a light source (1311) and a housing (1312), the housing (1312) being arranged outside the light source (1311); meanwhile, the cover (1312) is provided with a light transmission hole (13121), and laser generated by the light source (1311) penetrates through the light transmission hole (13121) and is converged on the inner wall of the differential (30).
8. The detecting device according to claim 3, wherein side expanding plates are extended from the side surfaces of the receiving portion for receiving the body portion (32) and the pushing unit (121) of the differential (30), respectively.
9. The detecting device according to claim 8, characterized in that the receiving portion comprises a first receiving plate (111) and a second receiving plate (112);
the pushing unit (121) is arranged close to one side of the second bearing plate (112), and a second side expansion plate (1121) formed by extending outwards on the side surface of the second bearing plate (112) bears the pushing unit (121);
and a first side expansion plate (1111) is formed on the side surface of the first bearing plate (111), the first side expansion plate (1111) is used for bearing a main body part (32) of a differential (30), the first side expansion plate (1111) is positioned between the two bearing plates, and a gap for allowing the detection unit (131) to pass through is formed between the first side expansion plate (1111) and the second bearing plate (112).
10. The detection device according to any one of claims 1 to 9, wherein the casing (20) comprises an operating table (21) and an upper shell (22);
the detection assembly (10) is placed on a working table surface of the operating table (21), and the upper shell (22) is arranged on the working table surface of the operating table (21) so as to cover the detection assembly (10) therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473596.9U CN216283316U (en) | 2021-06-30 | 2021-06-30 | Detection device suitable for positioning shaft hole in differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121473596.9U CN216283316U (en) | 2021-06-30 | 2021-06-30 | Detection device suitable for positioning shaft hole in differential mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN216283316U true CN216283316U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121473596.9U Active CN216283316U (en) | 2021-06-30 | 2021-06-30 | Detection device suitable for positioning shaft hole in differential mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483700A (en) * | 2021-06-30 | 2021-10-08 | 西玛特易联（苏州）科技有限公司 | Detection device suitable for positioning shaft hole in differential mechanism |
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2021
- 2021-06-30 CN CN202121473596.9U patent/CN216283316U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483700A (en) * | 2021-06-30 | 2021-10-08 | 西玛特易联（苏州）科技有限公司 | Detection device suitable for positioning shaft hole in differential mechanism |
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