CN211012838U - RV reduction gear eccentric shaft error detection device - Google Patents
RV reduction gear eccentric shaft error detection device Download PDFInfo
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- CN211012838U CN211012838U CN201922236983.XU CN201922236983U CN211012838U CN 211012838 U CN211012838 U CN 211012838U CN 201922236983 U CN201922236983 U CN 201922236983U CN 211012838 U CN211012838 U CN 211012838U
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- eccentric
- sleeve
- eccentric shaft
- bevel gear
- error detection
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Abstract
The utility model discloses a RV reduction gear eccentric shaft error detection device, RV reduction gear eccentric shaft error detection device includes: the eccentric shaft is arranged in the eccentric sleeve, the eccentric sleeve is arranged in the eccentric sleeve; the detection ring is rotatably arranged at the bottom end of the eccentric sleeve and is coaxial with the eccentric sleeve; the infrared distance measuring sensor is fixedly connected with the inner wall of the detection ring; the controller is connected with the infrared distance measuring sensor; a memory coupled to the controller. The utility model discloses efficiency of software testing and measuring accuracy have been improved greatly.
Description
Technical Field
The utility model relates to a detection device, concretely relates to RV reduction gear eccentric shaft error detection device.
Background
The RV reducer is developed on the basis of traditional needle pendulum planetary transmission, has a series of advantages of small size, light weight, large transmission ratio range, long service life, stable precision maintenance, high efficiency, stable transmission and the like, and is widely applied to the fields of robot, automobile and automobile part manufacturing, packaging, medicine, aerospace and the like.
The robot RV reducer is simple in structure and consists of primary planetary transmission and primary cycloid transmission. The main parts comprise a needle gear shell, a rotating arm, an eccentric shaft, a cycloid wheel, a planet wheel, a central wheel, three pairs of conical needle roller bearings arranged between the eccentric shaft and the rotating arm, three pairs of cylindrical roller bearings arranged between the eccentric shaft and the cycloid wheel, and two pairs of angular contact bearings arranged between the needle gear shell and the rotating arm. In the RV reducer, the offset between the eccentric body in the eccentric shaft and the main body shaft and the size of the eccentric body play an important role in the normal operation of the RV reducer.
However, the usage amount of the eccentric shafts is large, three eccentric shafts are arranged in each speed reducer, the inspection difficulty is large, special detection equipment is arranged at present, and the detection efficiency is very low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem to a RV reduction gear eccentric shaft error detection device is provided.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an RV reducer eccentric shaft error detection device, the RV reducer eccentric shaft error detection device includes:
the eccentric shaft is arranged in the eccentric sleeve, the eccentric sleeve is arranged in the eccentric sleeve;
the detection ring is rotatably arranged at the bottom end of the eccentric sleeve and is coaxial with the eccentric sleeve;
the infrared distance measuring sensor is fixedly connected with the inner wall of the detection ring;
the controller is connected with the infrared distance measuring sensor;
a memory coupled to the controller.
In a preferred embodiment of the present invention, at least one connecting member is provided between the main body housing and the eccentric housing.
In a preferred embodiment of the present invention, the connecting member is a telescopic structure.
In a preferred embodiment of the present invention, the main body sleeve is provided with a fixing component for fixing the main body shaft and the main body hole relatively.
In a preferred embodiment of the utility model, the fixing component comprises a rotating ring sleeved with the main body sleeve and an annular bevel gear rotationally connected with the main body sleeve, the rotating ring and the annular bevel gear are both coaxially arranged with the main body sleeve, the rotating ring and the annular bevel gear are fixedly connected through a connecting rod,
the annular bevel gear is provided with at least one fixing piece along the circumferential direction, the fixing piece comprises a driven bevel gear, a screw rod and a fixing cylinder, the driven bevel gear is meshed with the annular bevel gear, the screw rod and the driven bevel gear are coaxially arranged, the fixing cylinder is in threaded fit with the screw rod,
the inner wall of the main body sleeve is provided with a moving hole for the fixed cylinder to move in a penetrating mode, the inner wall of the moving hole is provided with a limiting groove along the axis direction, and the outer wall of the fixed cylinder is provided with a limiting plate movably connected with the limiting groove.
In a preferred embodiment of the present invention, the number of the fixing members is at least three, and the fixing members are uniformly distributed along the circumferential direction of the main body sleeve.
In a preferred embodiment of the present invention, the eccentric sleeve bottom end ring is provided with a T-shaped slide rail, and the detection ring is sleeved with the T-shaped slide rail.
In a preferred embodiment of the present invention, the RV reducer eccentric shaft error detection device further comprises a display and an alarm device, and the controller is connected to the display and the alarm device respectively.
The utility model has the advantages that:
the utility model discloses efficiency of software testing and measuring accuracy have been improved greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the assembly of the present invention with an eccentric shaft;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2;
fig. 4 is a working principle diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1 to 4, the utility model provides a RV reduction gear eccentric shaft error detection device, it includes shell structure, detection ring 5, infrared distance measuring sensor 6, controller 7 and memory 8.
The shell structure specifically comprises a main body sleeve 1 and an eccentric sleeve 4 which are coaxially arranged, and the main body sleeve 1 and the eccentric sleeve 4 are fixedly connected through at least one connecting piece. The main part cover 1 center is equipped with the main part hole 11 that the main part axle 12 that supplies the eccentric shaft passed, and 4 bottom of eccentric cover are equipped with the chamber 42 that holds that is used for placing the eccentric body 13 of eccentric shaft, and 4 tops of eccentric cover are equipped with and hold the through-hole 41 of chamber 42 intercommunication, and through-hole 41 sets up with the main part hole 11 is coaxial.
Detect ring 5 and rotationally set up in 4 bottoms of eccentric cover, and with the coaxial setting of eccentric cover 4, detect ring 5 and be used for installing infrared distance measuring sensor 6 to drive infrared distance measuring sensor 6 and carry out 360 degrees rotations together in 4 bottoms of eccentric cover.
The infrared distance measuring sensor 6 is fixedly connected with the inner wall of the detection ring 5, and points to the central shaft along the radius direction of the detection ring 5, the infrared distance measuring sensor 6 can continuously detect the distance information from the infrared distance measuring sensor to the surface of the eccentric body 13 through the detection probe on the infrared distance measuring sensor 6 in the rotating process along with the detection ring 5, and each detected distance information is sent to the controller 7.
The controller 7 is respectively connected with the memory 8 and the infrared distance measuring sensor 6, and the controller 7 can receive the distance information sent by the infrared distance measuring sensor 6.
In addition, a comparator may be provided in the controller 7, and the comparator may continuously compare the distance information sent from the infrared distance measuring sensor 6, so as to obtain a maximum distance value and a minimum distance value.
The memory 8 is internally provided with a standard radius value of the circular motion track of the infrared distance measuring sensor 6, the controller 7 can send the standard radius value stored in the memory 8 and the maximum distance value and the minimum distance value obtained by comparison into corresponding equipment together, for example, the equipment such as an arithmetic unit is used for calculation, so that the offset between the main body shaft 12 and the eccentric body 13, the actual radius of the eccentric body 13 and the actual semi-major axis can be directly obtained.
The offset between the main shaft 12 and the eccentric body 13, and the actual radius and the actual semi-major axis of the eccentric body 13 are all obtained from the standard radius value, the maximum distance value and the minimum distance value, and the formula is as follows: the offset is: (maximum distance value-minimum distance value)/2, the actual radius and the actual semi-major axis are as follows: the standard radius value- (max distance value + min distance value)/2, so the formula is well known to those skilled in the art.
In addition, the application also comprises a display 9 and an alarm device 10, and the controller 7 is respectively connected with the display 9 and the alarm device 10.
The controller 7 can display the obtained standard radius value, the maximum distance value and the minimum distance value through the display 9, and the worker can directly obtain the offset between the main body shaft 12 and the eccentric body 13 and the actual radius and the actual semi-long shaft of the eccentric body 13 through a related formula, so as to judge whether the standard is reached, and if the standard is not reached, the alarm device 10 can directly give an alarm.
Like this, make this application can detect the offset and the eccentric body size of eccentric shaft simultaneously through the setting of above-mentioned structure, improved efficiency of software testing and measuring accuracy greatly.
Be equipped with the fixed subassembly of relatively fixed with main part axle 12 and main part hole 11 on main part cover 1, can be relatively fixed with main part axle 12 and main part hole 11 through fixed subassembly, avoid the eccentric shaft to rock and influence the condition emergence that detects the precision.
The fixed subassembly includes swivel becket 2 that cup joints with main part cover 1 and rotates the annular bevel gear 21 of being connected with main part cover 1, and swivel becket 2, annular bevel gear 21 all set up with main part cover 1 is coaxial, and swivel becket 2, annular bevel gear 21 pass through connecting rod 22 fixed connection. The ring bevel gear 21 is provided with at least one fixing member in its circumferential direction.
The fixing piece specifically comprises a driven bevel gear 23, a screw rod 26 and a fixing cylinder 25, wherein the driven bevel gear 23 is meshed with the annular bevel gear 21, the screw rod 26 and the driven bevel gear 23 are coaxially arranged, and the fixing cylinder 25 is in threaded fit with the screw rod 26. The inner wall of the main body sleeve 1 is provided with a moving hole 24 for the fixed cylinder 25 to move, the inner wall of the moving hole 24 is provided with a limit groove 28 along the axis direction, and the outer wall of the fixed cylinder 25 is provided with a limit plate 27 movably connected with the limit groove 28. The rotating ring 2 is rotated, so that the ring bevel gear 21 drives the driven bevel gear 23 to rotate in the rotating process. The stopper plate 27 cooperates with the stopper groove 28 to restrict the rotation of the fixed cylinder 25, and the fixed cylinder 25 is moved in the axial direction of the lead screw 26 to fix the main shaft 12.
The number of the fixing pieces can be three, and the three fixing pieces are uniformly distributed along the circumferential direction of the main body sleeve 1. Through the action of three mounting simultaneously, be convenient for with main part axle 12 and the coaxial fixed of main part hole 11, can detect the eccentric shaft of different diameters size.
Through the setting of above-mentioned fixed subassembly for this application can detect the eccentric shaft of different diameters size, has improved application range greatly.
In addition, a connecting piece is arranged between the main body sleeve 1 and the eccentric sleeve 4, the connecting piece comprises a telescopic rod 3 and a telescopic cylinder 31 which are respectively vertically fixed with the main body sleeve 1 and the eccentric sleeve 4, and the telescopic rod 3 and the telescopic cylinder 31 are fixed through screws after being spliced, so that the distance between the main body sleeve 1 and the eccentric sleeve 4 can be flexibly adjusted, and the application range is further enlarged.
The connecting pieces can be two in number, and the two connecting pieces are uniformly distributed along the circumferential direction of the main body sleeve 1. When the distance between the main body sleeve 1 and the eccentric sleeve 4 is adjusted, the main body sleeve 1 and the eccentric sleeve 4 are kept in a coaxial arrangement state, and the use stability of the detection device is enhanced.
In addition, the connecting piece can also be two symmetrical slide rails, the main body sleeve 1 and the eccentric sleeve 4 can move on the slide rails through the sliding blocks which are arranged and matched with the slide rails correspondingly, the slide rails are directly controlled by the controller 7, and therefore the distance between the main body sleeve 1 and the eccentric sleeve can be directly adjusted through the controller 7, and the distance is more accurate.
Moreover, the controller 7 can also finely adjust the distance between the main body sleeve 1 and the eccentric sleeve 4 through the slide rail pair according to the received distance information, so that the test data is more accurate.
The T-shaped sliding rail 51 is annularly arranged at the bottom end of the eccentric sleeve 4, and the detection ring 5 is sleeved with the T-shaped sliding rail 51, so that the detection ring 5 can be prevented from being disconnected from the eccentric sleeve 4, and the use stability of the detection ring 5 is enhanced.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a RV reduction gear eccentric shaft error detection device which characterized in that, RV reduction gear eccentric shaft error detection device includes:
the eccentric shaft is arranged in the eccentric sleeve, the eccentric sleeve is arranged in the eccentric sleeve;
the detection ring is rotatably arranged at the bottom end of the eccentric sleeve and is coaxial with the eccentric sleeve;
the infrared distance measuring sensor is fixedly connected with the inner wall of the detection ring;
the controller is connected with the infrared distance measuring sensor;
a memory coupled to the controller.
2. The device of claim 1, wherein at least one connecting member is disposed between the main body sleeve and the eccentric sleeve.
3. The RV reducer eccentric shaft error detection device of claim 2, wherein said connection piece is a telescopic structure.
4. The device of claim 1, wherein the body sleeve is provided with a fixing component for fixing the body shaft and the body hole relatively.
5. The RV reducer eccentric shaft error detection device according to claim 4, characterized in that said fixing component comprises a rotating ring sleeved with the main body sleeve and an annular bevel gear rotationally connected with the main body sleeve, both the rotating ring and the annular bevel gear are coaxially arranged with the main body sleeve, the rotating ring and the annular bevel gear are fixedly connected through a connecting rod,
the annular bevel gear is provided with at least one fixing piece along the circumferential direction, the fixing piece comprises a driven bevel gear, a screw rod and a fixing cylinder, the driven bevel gear is meshed with the annular bevel gear, the screw rod and the driven bevel gear are coaxially arranged, the fixing cylinder is in threaded fit with the screw rod,
the inner wall of the main body sleeve is provided with a moving hole for the fixed cylinder to move in a penetrating mode, the inner wall of the moving hole is provided with a limiting groove along the axis direction, and the outer wall of the fixed cylinder is provided with a limiting plate movably connected with the limiting groove.
6. The device of claim 5, wherein the number of the fixing members is at least three, and the fixing members are uniformly distributed along the circumferential direction of the main body sleeve.
7. The RV reducer eccentric shaft error detection device according to claim 1, characterized in that the eccentric sleeve bottom end ring is provided with T-shaped slide rails, and the detection ring is sleeved with the T-shaped slide rails.
8. The RV reducer eccentric shaft error detection device according to claim 1, characterized in that the RV reducer eccentric shaft error detection device further comprises a display and an alarm device, wherein the controller is respectively connected with the display and the alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922236983.XU CN211012838U (en) | 2019-12-13 | 2019-12-13 | RV reduction gear eccentric shaft error detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922236983.XU CN211012838U (en) | 2019-12-13 | 2019-12-13 | RV reduction gear eccentric shaft error detection device |
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| Publication Number | Publication Date |
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| CN211012838U true CN211012838U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922236983.XU Active CN211012838U (en) | 2019-12-13 | 2019-12-13 | RV reduction gear eccentric shaft error detection device |
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| CN (1) | CN211012838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237655A (en) * | 2021-04-16 | 2021-08-10 | 安徽理工大学 | RV reducer delivery quality comprehensive performance quantitative detection experiment table and detection method thereof |
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2019
- 2019-12-13 CN CN201922236983.XU patent/CN211012838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237655A (en) * | 2021-04-16 | 2021-08-10 | 安徽理工大学 | RV reducer delivery quality comprehensive performance quantitative detection experiment table and detection method thereof |
| CN113237655B (en) * | 2021-04-16 | 2021-11-16 | 安徽理工大学 | RV reducer delivery quality comprehensive performance quantitative detection experiment table and detection method thereof |
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