CN220380537U - Magnetic absolute encoder detects frock - Google Patents
Magnetic absolute encoder detects frock Download PDFInfo
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- CN220380537U CN220380537U CN202320652928.2U CN202320652928U CN220380537U CN 220380537 U CN220380537 U CN 220380537U CN 202320652928 U CN202320652928 U CN 202320652928U CN 220380537 U CN220380537 U CN 220380537U
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- annular magnetic
- magnetic ring
- reading head
- fixed shaft
- absolute encoder
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- 238000001514 detection method Methods 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002324 minimally invasive surgery Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of encoder detection, in particular to a magnetic absolute encoder detection tool, which comprises a fixed seat; one end of the rotating piece is matched with the fixed seat, and the other end of the rotating piece is used for installing an annular magnetic ring; one end of the first fixing part is fixed on the fixed seat, and the other end of the first fixing part is parallel to the other end of the rotating part and is used for installing a reading head; in this application, fixing base, rotating member, first fixed part and reading head and annular magnetic ring are the installation of an organic whole, and the relative position of assurance reading head and annular magnetic ring that can be better is fixed, has ensured the parallel arrangement between reading head and the annular magnetic ring for the reading is more accurate.
Description
Technical Field
The utility model relates to the technical field of encoder detection, in particular to a magnetic absolute encoder detection tool.
Background
Minimally invasive surgery refers to a surgical mode for performing surgery in a human cavity by using modern medical instruments such as laparoscopes, thoracoscopes and related devices. Compared with the traditional operation mode, the minimally invasive operation has the advantages of small wound, light pain, quick recovery and the like. However, the minimally invasive instrument in the minimally invasive surgery is limited by the size of the incision, so that the operation difficulty is greatly increased, and actions such as fatigue, tremble and the like of a doctor in the long-time operation process can be amplified, which becomes a key factor for restricting the development of the minimally invasive surgery technology. With the development of robot technology, a new minimally invasive medical field technology, namely minimally invasive surgery robot technology, capable of overcoming the defects and inheriting the advantages, has been developed.
The encoder needs to be installed in the mechanical wall, but the production of the encoder is good and bad, if the encoder is defective, the encoder cannot be operated after being installed, the workload is increased when the encoder is detached, and the construction period is delayed.
Patent number CN204007651U discloses a "magnetic ring type rotation detection device". The magnetic source device comprises a magnetic source base (1) fixedly sleeved on the periphery of a detected rotating shaft and a reading head (6) fixedly arranged on a machine body of the detected rotating machine, wherein a magnetic source is fixedly arranged on the periphery of the magnetic source base (1), the reading head (6) is provided with a magnetic field signal collector (4) which is relatively arranged with the magnetic source, the magnetic source comprises an annular first magnetic source body (2) sleeved on the periphery of the magnetic source base (1) and a second magnetic source body (3) arranged on one side of the first magnetic source body (2), the first magnetic source body (2) comprises a plurality of pairs of magnetic poles which are uniformly distributed and sequentially connected end to end, and the second magnetic source body (3) is a pair of magnetic poles.
The above solution has the following drawbacks:
the split type structure cannot ensure that the reading head is completely parallel to the first magnetic source body/the second magnetic source body on the magnetic source body base below, so that certain errors exist in reading, and accurate detection cannot be realized.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a magnetic absolute encoder detection tool.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
a magnetic absolute encoder detection tool comprises,
a fixing seat;
one end of the rotating piece is matched with the fixed seat, and the other end of the rotating piece is used for installing an annular magnetic ring;
and one end of the first fixing part is fixed on the fixing seat, and the other end of the first fixing part is parallel to the other end of the rotating part and is used for installing a reading head.
Preferably, a connecting ring is fixedly arranged at the other end of the rotating piece, and the annular magnetic ring is arranged on any one end face of the connecting ring;
the other end face of the first fixing part is parallel to one end face of the annular magnetic ring, which is arranged on the connecting ring, and is used for installing the reading head.
Preferably, the connecting ring is provided with an indication arrow.
Preferably, a gasket is arranged on the end face, far away from the fixing seat, of the first fixing portion, and the reading head is fixedly connected with the first fixing portion through the gasket.
Preferably, the distance between the annular magnetic ring and the reading head is 0.1-0.3mm.
Preferably, the distance between the annular magnetic ring and the reading head is 0.2mm.
Preferably, the rotating member comprises a fixed shaft and a turntable,
the fixed shaft is fixedly connected to the fixed seat;
the turntable is in rotatable fit with the fixed shaft;
and when the annular magnetic ring is in an installation state, the annular magnetic ring and the fixed shaft are coaxially arranged.
Preferably, a mounting groove is formed in one end of the rotary disc, which faces the fixed shaft, and the rotary disc is sleeved outside the fixed shaft through the mounting groove.
Preferably, a bearing is arranged in the mounting groove, and the mounting groove rotates relative to the fixed shaft through the bearing.
Preferably, a plugging plate is fixedly connected to one end of the turntable, and the plugging plate is sleeved outside the fixed shaft and is used for plugging the mounting groove.
The utility model has at least the following beneficial effects:
1. in this application, fixing base, rotating member, first fixed part and reading head and annular magnetic ring are the installation of an organic whole, and the relative position of assurance reading head and annular magnetic ring that can be better is fixed, has ensured the parallel arrangement between reading head and the annular magnetic ring for the reading is more accurate.
2. The device can be used for testing the product performances of the reading head and the annular magnetic ring, so that the annular magnetic ring slowly rotates clockwise or anticlockwise, detection points on the annular magnetic ring respectively correspond to the reading head, the green light on the number of the reading heads is qualified, and the yellow light is displayed as a warning, so that the product performances of the reading head and the annular magnetic ring can be detected respectively.
Drawings
FIG. 1 is a first schematic view of a read head and an annular magnetic ring mounted on a detection tool;
FIG. 2 is a second schematic view of the present application with the read head and annular magnetic ring mounted on the detection tool;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 2;
FIG. 5 is a third schematic view of a read head and an annular magnetic ring mounted on a detection tool according to the present application;
FIG. 6 is an exploded view of the present application with the read head and annular magnetic ring mounted on the detection tooling.
The names of the parts indicated by the numerical references in the drawings are as follows:
110. a fixing seat; 111. a rotating member; 112. a first fixing portion; 113. a fixing hole; 114. a turntable; 115. a plugging plate; 120. an annular magnetic ring; 130. a reading head; 140. an indication arrow; 210. a connecting ring; 310. a gasket; 410. fixing the shaft; 420. a mounting groove; 430. and (3) a bearing.
Detailed Description
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples. It is to be understood that the examples are illustrative of the present utility model and are not intended to be limiting.
As shown in fig. 1 and 5-6, the present embodiment provides a magnetic absolute encoder detection tool, which includes,
a fixing base 110;
a rotating member 111, one end of which is matched with the fixed seat 110, and the other end of which is used for installing an annular magnetic ring 120;
the first fixing portion 112 has one end fixed to the fixing base 110, and the other end parallel to the other end of the rotating member 111 and used for mounting the reading head 130.
Through the structure in the embodiment, the fixing seat 110 is further provided with a fixing hole 113, and the fixing seat 110 can be fixedly installed at a certain fixed position by matching with the use of bolts, so that the situation that the fixing seat 110 is unstable and moves in detection is avoided; in the present embodiment, the first fixing portion 112 has an arc shape coaxially disposed with the rotating member 111.
During detection, the annular magnetic ring 120 and the reading head 130 are respectively and fixedly arranged on the rotating piece 111 and the first fixing part 112, after the installation is completed, the annular magnetic ring 120 and the reading head 130 are mutually parallel, and then a detection person slowly dials the rotating piece 111 clockwise or anticlockwise by hand, so that in the process of rotating the rotating piece 111, the reading head 130 can respectively correspond to detection points at different positions on the annular magnetic ring 120;
when the annular magnetic ring 120 is detected, the reading head 130 which is good in detection function is arranged on the first fixed part 112, an indicator lamp is arranged on the reading head 130, in the process of stirring the rotating piece 111, when a green light on the reading head 130 is lighted, the detection point on the annular magnetic ring 120 corresponding to the reading head 130 is indicated to be normal, the rotating piece 111 is continuously stirred, the other detection point on the annular magnetic ring 120 is detected, and when a yellow light on the reading head 130 is lighted, the detection point on the annular magnetic ring 120 corresponding to the reading head 130 is indicated to be damaged, so that the performance detection of the annular magnetic ring 120 is realized;
when the reading head 130 is detected, the annular magnetic ring 120 which is well-functioning and has passed the detection is mounted on the rotating member 111, and when the reading head 130 is damaged, the reading head 130 lights up a yellow lamp corresponding to each detection point on the annular magnetic ring 120.
It should be noted that, in this embodiment, the fixing seat 110, the rotating member 111, the first fixing portion 112, the reading head 130 and the annular magnetic ring 120 are all integrally installed, so that the relative position of the reading head 130 and the annular magnetic ring 120 can be better ensured to be fixed, and the parallel arrangement between the reading head 130 and the annular magnetic ring 120 is ensured, so that the reading is more accurate.
As shown in fig. 2, in this embodiment, a connection ring 210 is fixedly disposed at the other end of the rotating member 111, and the annular magnetic ring 120 is mounted on any one end surface of the connection ring 210;
the other end surface of the first fixing portion 112 is parallel to an end surface of the connection ring 210, on which the annular magnetic ring 120 is mounted, and is used for mounting the reading head 130.
In this embodiment, the reading head 130 and the first fixing portion 112 and the annular magnetic ring 120 and the connecting ring 210 are fixedly connected by bolts.
By the arrangement of the connection ring 210 in the present embodiment, the stability of connection between the annular magnetic ring 120 and the rotating member 111 can be further improved; in this embodiment, the inner end of the connection ring 210 is fixedly connected to the other end of the rotating member 111, and the outer end of the connection ring 210 is used for mounting the annular magnetic ring 120.
It should be noted that, the installation manner of the annular magnetic ring 120 at least includes the following forms:
1) The annular magnetic ring 120 is fixedly arranged at one end of the connecting ring 210, which is close to the fixed seat 110;
2) The annular magnetic ring 120 is fixedly mounted on the other end of the connecting ring 210 away from the fixing base 110.
Likewise, the arrangement of the reading head 130 is in several cases:
1) The reading head 130 is positioned at one side of the annular magnetic ring 120 away from the fixed seat 110;
2) The reading head 130 is located at one side of the annular magnetic ring 120 near the fixing base 110.
It should be noted that, since the end surface of the first fixing portion 112 far from the fixing base 110 is parallel to the end surface of the connecting ring 210, on which the annular magnetic ring 120 is mounted, the annular magnetic ring 120 and the reading head 130 are mounted on the connecting ring 210 and the first fixing portion 112 respectively, so that the parallelism between the reading head 130 and the annular magnetic ring 120 can be better realized, and the reading is more accurate.
In the present embodiment, the annular magnetic ring 120 is set in the manner of 2) above, that is, the annular magnetic ring 120 is fixedly mounted on the other end of the connection ring 210 away from the fixing base 110; the reading head 130 is arranged in the manner described in 1) above, i.e. the reading head 130 is at the side of the annular magnetic ring 120 remote from the holder 110.
In this embodiment, the connection ring 210 is provided with an indication arrow 140.
Through the setting of the indication arrow 140 in this embodiment, in the process of stirring the rotating member 111, the rotating member 111 rotates to enable the indication arrow 140 to rotate synchronously, so that a detecting person can intuitively see the position of the detection point on the annular magnetic ring 120 corresponding to the reading head 130 at the moment, and the detection efficiency is improved.
It will be appreciated that the indicator arrow 140 is disposed on the side of the connection ring 210 remote from the fixing base 110 in this embodiment, so as to facilitate the viewing of the inspector; in another preferred embodiment of the present application, the position of the pointing arrow 140 may also be adjusted accordingly.
Referring to fig. 3, in this embodiment, a spacer 310 is disposed on an end surface of the first fixing portion 112 away from the fixing base 110, and the reading head 130 is fixedly connected with the first fixing portion 112 through the spacer 310.
By the arrangement of the spacer 310 in this embodiment, the stability of the connection between the reading head 130 and the first fixing portion 112 can be improved, and the detection accuracy can be improved.
Similarly, because the sizes of the different gaskets 310 are also greatly different, the distance between the reading head 130 and the annular magnetic ring 120 can be adjusted by replacing the gaskets 310, so that the detection is convenient, and the detection precision is correspondingly improved.
In this embodiment, the distance between the annular magnetic ring 120 and the reading head 130 is 0.1-0.3mm.
By the construction in the present embodiment, the gap between the annular magnetic ring 120 and the reading head 130 is between 0.1-0.3mm, so that the detection accuracy can be better ensured.
In this embodiment, the distance between the annular magnetic ring 120 and the reading head 130 is 0.2mm.
By setting the distance between the annular magnetic ring 120 and the reading head 130 to be 0.2mm in this embodiment, the detection accuracy can be further improved, and larger errors are avoided.
As shown in fig. 4, in this embodiment, the rotating member 111 includes a fixed shaft 410 and a turntable 114,
the fixed shaft 410 is fixedly connected to the fixed seat 110;
the turntable 114 is rotatably matched with the fixed shaft 410;
in the installed state of the annular magnetic ring 120, the annular magnetic ring 120 is coaxially disposed with the fixed shaft 410.
In this embodiment, the turntable 114 is also mounted coaxially with the fixed shaft 410.
Through the structure in the embodiment, the fixed shaft 410 is fixedly connected to the fixed seat 110 through bolts, and the turntable 114 is in running fit with the fixed shaft 410, and as the annular magnetic ring 120 and the fixed shaft 410 are coaxially arranged and the fixed shaft 410 is relatively fixed with the fixed seat 110, the relative position of the turntable 114 and the fixed shaft 410 is unchanged, so that the rotation stability of the annular magnetic ring 120 is improved;
it will be appreciated that in this embodiment, the attachment ring 210 is fixedly mounted to the turntable 114.
In this embodiment, an installation groove 420 is disposed at an end of the turntable 114 facing the fixed shaft 410, and the turntable 114 is sleeved outside the fixed shaft 410 through the installation groove 420.
Through the structure in this embodiment, after the fixed shaft 410 is fixedly connected to the fixed seat 110, the turntable 114 is sleeved on the fixed shaft 410 through the mounting groove 420, so that the turntable 114 can be preferably rotated on the fixed shaft 410, and the rotation of the annular magnetic ring 120 is realized through the rotation of the turntable 114.
In this embodiment, a bearing 430 is disposed in the mounting groove 420, and the mounting groove 420 rotates relative to the fixed shaft 410 through the bearing 430.
By the arrangement of the bearing 430 in this embodiment, the rotation fit between the turntable 114 and the fixed shaft 410 can be preferably realized.
In this embodiment, a plugging plate 115 is fixedly connected to one end of the turntable 114, and the plugging plate 115 is sleeved outside the fixed shaft 410 and is used for plugging the mounting groove 420.
Through the construction in this embodiment, the plugging plate 115 is sleeved outside the fixed shaft 410, the turntable 114 is sleeved outside the fixed shaft 410 through the mounting groove 420 and the bearing 430, the plugging plate 115 is fixedly connected to the turntable 114 through bolts, and the fixed shaft 410 is fixedly connected to the fixed seat 110.
It will be appreciated that the blocking of the mounting groove 420 by the blocking plate 115 prevents the bearing 430 in the mounting groove 420 from moving out of the mounting groove 420 during rotation of the turntable 114; similarly, the bearing 430 may be movably connected with the mounting groove 420 or may be fixedly connected with the mounting groove.
In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.
Claims (10)
1. A magnetic absolute encoder detects frock, its characterized in that: comprising the steps of (a) a step of,
a fixing seat;
one end of the rotating piece is matched with the fixed seat, and the other end of the rotating piece is used for installing an annular magnetic ring;
and one end of the first fixing part is fixed on the fixing seat, and the other end of the first fixing part is parallel to the other end of the rotating part and is used for installing a reading head.
2. The magnetic absolute encoder detection tool of claim 1, wherein: a connecting ring is fixedly arranged at the other end of the rotating piece, and the annular magnetic ring is arranged on any one end face of the connecting ring;
the other end face of the first fixing part is parallel to one end face of the connecting ring, on which the annular magnetic ring is installed.
3. The magnetic absolute encoder detection tool of claim 2, wherein: the connecting ring is provided with an indication arrow.
4. The magnetic absolute encoder detection tool of claim 2, wherein: the end face, far away from the fixing seat, of the first fixing portion is provided with a gasket, and the reading head is fixedly connected with the first fixing portion through the gasket.
5. The magnetic absolute encoder detection tool of claim 1, wherein: the distance between the annular magnetic ring and the reading head is 0.1-0.3mm.
6. The magnetic absolute encoder detection tool of claim 5, wherein: the distance between the annular magnetic ring and the reading head is 0.2mm.
7. The magnetic absolute encoder detection tool of claim 1, wherein: the rotating member comprises a fixed shaft and a rotary disc,
the fixed shaft is fixedly connected to the fixed seat;
the turntable is in rotatable fit with the fixed shaft;
and when the annular magnetic ring is in an installation state, the annular magnetic ring and the fixed shaft are coaxially arranged.
8. The magnetic absolute encoder detection tool of claim 7, wherein: the rotary table is provided with a mounting groove at one end of the rotary table, which faces the fixed shaft, and the rotary table is sleeved outside the fixed shaft through the mounting groove.
9. The magnetic absolute encoder detection tool of claim 8, wherein: the mounting groove is internally provided with a bearing, and the mounting groove rotates relative to the fixed shaft through the bearing.
10. The magnetic absolute encoder detection tool of claim 9, wherein: one end of the turntable is fixedly connected with a plugging plate, and the plugging plate is sleeved outside the fixed shaft and is used for plugging the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652928.2U CN220380537U (en) | 2023-03-29 | 2023-03-29 | Magnetic absolute encoder detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652928.2U CN220380537U (en) | 2023-03-29 | 2023-03-29 | Magnetic absolute encoder detects frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220380537U true CN220380537U (en) | 2024-01-23 |
Family
ID=89566287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320652928.2U Active CN220380537U (en) | 2023-03-29 | 2023-03-29 | Magnetic absolute encoder detects frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220380537U (en) |
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2023
- 2023-03-29 CN CN202320652928.2U patent/CN220380537U/en active Active
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