CN220708430U - Guiding mechanism and sensor calibration device - Google Patents
Guiding mechanism and sensor calibration device Download PDFInfo
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- CN220708430U CN220708430U CN202322500957.XU CN202322500957U CN220708430U CN 220708430 U CN220708430 U CN 220708430U CN 202322500957 U CN202322500957 U CN 202322500957U CN 220708430 U CN220708430 U CN 220708430U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 58
- 238000012546 transfer Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000012795 verification Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model belongs to the technical field of sensor calibration, and discloses a guide mechanism and a sensor calibration device. The guide mechanism comprises a switching table, a fixing seat and a guide piece body. The linear motion component is arranged on the switching table, and the telescopic component can be rotationally connected with the switching table around the axis of the telescopic component; the fixing part is fixedly connected with the fixing seat; the guide piece body is arranged parallel to the axial direction of the telescopic component and is connected with the fixing seat and the switching table, so that the switching table can be prevented from rotating; the switching platform is driven by the rotation of the telescopic part relative to the fixed part to move along the axial direction of the guide piece body. The guiding mechanism can limit the sensor to be measured to move only along the straight line, prevent the sensor to be measured from rotating simultaneously in the telescopic shaft rotating and telescoping process of the micrometer, and further ensure the reliability of the sensor to be measured to do the straight line.
Description
Technical Field
The utility model relates to the technical field of sensor calibration, in particular to a guide mechanism and a sensor calibration device.
Background
Before a sensitivity calibration process of a sensor such as an correlation sensor, it is first necessary to adjust the relative positions of a rotary blade and the correlation sensor so that the rotary blade can be positioned within the optical axis of the correlation sensor. And in the sensitivity verification process, the relative positions of the correlation sensor and the rotary blade need to be changed in real time in the height direction. Generally, a micrometer is adopted, the height of the correlation sensor is finely adjusted before the sensitivity calibration procedure, and the micrometer is used for changing the relative position of the correlation sensor and the rotary blade in real time in the sensitivity calibration procedure. The correlation sensor is installed on the telescopic shaft of the micrometer, and the telescopic shaft can stretch and retract relative to the fixed gauge outfit of the micrometer.
But the micrometer adopts rotatory flexible mode to realize that the telescopic shaft is for the flexible of fixed gauge outfit, leads to the correlation formula sensor to rotate at flexible in-process easily, can cause even the correlation formula sensor and the problem of rotary blade collision damage when rotation angle is too big.
Therefore, a guide mechanism and a sensor calibration device are needed to solve the above problems.
Disclosure of Invention
According to one aspect of the present utility model, an object is to provide a guiding mechanism, which can limit a sensor to be measured to move only along a straight line, prevent the sensor to be measured from rotating simultaneously during the process of rotating and telescoping a telescoping shaft of a micrometer, and further ensure the reliability of the sensor to be measured to move along the straight line.
To achieve the purpose, the utility model adopts the following technical scheme:
the guide mechanism is connected between the rotary telescopic device and the linear motion part, the rotary telescopic device comprises a fixed part and a telescopic part, the telescopic part is rotatably arranged in the fixed part, the telescopic part rotates and can extend out of the fixed part or retract into the fixed part, the linear motion part is connected with the telescopic part, and the telescopic part can drive the linear motion part to perform linear motion along the axial direction of the telescopic part;
the guide mechanism includes:
the linear motion component is arranged on the switching table, and the telescopic component can be rotationally connected to the switching table around the axis of the telescopic component;
the fixing seat is fixedly connected with the fixing part;
the guide piece body is arranged parallel to the axial direction of the telescopic component, is connected with the fixing seat and the switching table, and can prevent the switching table from rotating;
the switching platform is driven by the rotation of the telescopic part relative to the fixed part to move along the axial direction of the guide piece body.
As a preferable mode of the guiding mechanism provided by the utility model, the guiding mechanism further comprises a bearing mechanism, the bearing mechanism is arranged on the switching table, and the telescopic component is rotatably connected with the bearing mechanism.
As the preferable scheme of the guiding mechanism provided by the utility model, the bearing mechanism comprises a connecting seat and a bearing body, wherein the bearing body can be rotatably arranged on the switching table around the axis of the bearing body, the connecting seat can be rotatably arranged in the bearing body around the axis of the bearing body, and the end part of the telescopic part is fixedly connected with the connecting seat.
As a preferable scheme of the guide mechanism provided by the utility model, the switching table is provided with a clamping table, the clamping table is provided with a clamping hole, and the bearing body is rotatably arranged in the clamping table.
As the preferable scheme of the guiding mechanism provided by the utility model, the fixing seat comprises a supporting part, a pressing part and a connecting part, wherein the supporting part and the pressing part are respectively fixedly connected to two ends of the connecting part to form a clamping space, and the fixing part is clamped in the clamping space.
As a preferable mode of the guide mechanism provided by the utility model, the pressing part is in threaded connection with a fastening bolt, and the end part of the fastening bolt extending into the clamping space can be abutted against the fixing part.
As a preferable scheme of the guide mechanism provided by the utility model, a clamping groove is formed in the upper end face of the fixing seat, and one end part of the guide piece body is fixed in the clamping groove.
As a preferable mode of the guide mechanism provided by the utility model, the guide member body comprises a fixed section and a free section, wherein the fixed section is connected with the fixed seat, the free section is connected with the switching table, and the free section is telescopically connected with the fixed section.
As the preferable scheme of the guide mechanism provided by the utility model, the guide piece body is in a rod-shaped structure, the switching table is concavely provided with a sliding groove at the position corresponding to the guide piece body, the guide piece body is movably inserted into the sliding groove, and the switching table can slide along the guide piece body under the driving of the telescopic part rotating relative to the fixed part.
According to one aspect of the present utility model, an object is to provide a sensor calibration device, which includes a micrometer, a sensor to be measured, a rotary blade, and a guide mechanism according to any one of the above aspects; the micrometer comprises a fixed gauge outfit and a telescopic shaft, the telescopic shaft is rotatably arranged on the fixed gauge outfit and can stretch out and draw back relative to the fixed gauge outfit, the sensor to be measured is arranged on the switching table, the fixed gauge outfit is fixedly connected with the fixing base, the telescopic shaft can be rotatably connected with the switching table around the axis of the telescopic shaft, and the sensor to be measured can be driven by the telescopic shaft to be close to or far away from the rotary blade along the axis direction of the telescopic shaft.
The utility model has the beneficial effects that:
the guide mechanism provided by the utility model is connected between the rotary telescopic device and the linear motion component and comprises a switching table, a fixed seat and a guide piece body. The linear motion component is arranged on the switching table, and the telescopic component can be rotationally connected with the switching table around the axis of the telescopic component; the fixing part is fixedly connected with the fixing seat; the guide piece body is parallel to the axial direction of the telescopic component, is connected with the fixing seat and the switching table, and can prevent the switching table from rotating. The switching platform is driven by the rotation of the telescopic part relative to the fixed part to move along the axial direction of the guide piece body. That is, the guide body can guide the switching table in the process of rotating and stretching the telescopic part of the rotating and telescopic device relative to the fixed part, so that the switching table can drive the linear motion part to do linear motion, and the linear motion part is prevented from rotating. That is, the guiding mechanism can limit the sensor to be measured to move only along the straight line, prevent the sensor to be measured from rotating simultaneously in the process of rotating and stretching the telescopic shaft of the micrometer, and further ensure the reliability of the sensor to be measured to do the straight line movement.
Drawings
FIG. 1 is a schematic diagram of a sensor verification device according to an embodiment of the present utility model;
FIG. 2 is a schematic structural view of a guiding mechanism according to an embodiment of the present utility model;
fig. 3 is an axial cross-sectional view of a guide mechanism provided by an embodiment of the present utility model.
In the figure:
10. a micrometer; 11. fixing a gauge outfit; 12. a telescopic shaft; 20. a sensor to be measured; 30. a rotary blade; 40. a support;
100. a transfer table; 110. a clamping table;
200. a fixing seat; 210. a support part; 220. a pressing part; 221. a fastening bolt; 230. a connection part;
300. a guide body;
400. a bearing mechanism; 410. a connecting seat; 420. a bearing body.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The embodiment provides a guiding mechanism, this guiding mechanism connects between rotating telescoping device and rectilinear motion part, this rotates telescoping device and includes fixed part and telescoping member, this telescoping member rotationally sets up in this fixed part, this telescoping member rotates, can stretch out this fixed part or retract into this fixed part, this rectilinear motion part connects in this telescoping member, this telescoping member can drive this rectilinear motion part and carry out rectilinear motion along the axis direction of this telescoping member, and prevent that rectilinear motion part from taking place to rotate.
Fig. 1 shows a schematic structural diagram of a sensor verification device provided by an embodiment of the present utility model, and referring to fig. 1, this embodiment further provides a sensor verification device. The sensor calibration device comprises a micrometer 10, a sensor 20 to be tested and a guiding mechanism provided by the embodiment. The micrometer 10 includes a fixed gauge outfit 11 and a telescopic shaft 12, wherein the axial direction of the telescopic shaft 12 is parallel to the vertical direction, and is rotatably provided on the fixed gauge outfit 11 around the axis thereof, and can be rotated and telescopic relative to the fixed gauge outfit 11. The sensor 20 to be measured is arranged at one end of the guiding mechanism, and the fixed gauge outfit 11 is fixedly connected to the other end of the guiding mechanism. That is, in the present embodiment, the sensor 20 to be measured is a linear motion component, the micrometer 10 is a rotating and telescoping device, the fixed gauge outfit 11 is a fixed component of the rotating and telescoping device, and the telescoping shaft 12 is a telescoping component of the rotating and telescoping device.
Specifically, the sensor verification device further includes a rotary blade 30 and a support 40. The support 40 is used for supporting and mounting the rotary blade 30. The rotary blade 30 is disposed above the micrometer 10, and the micrometer 10 can adjust the height of the sensor 20 to be measured, i.e. adjust the distance between the sensor 20 to be measured and the rotary blade 30. The guiding mechanism can limit the linear movement of the sensor 20 to be detected and prevent the sensor 20 to be detected from rotating in the lifting process.
Fig. 2 is a schematic structural view of a guide mechanism according to an embodiment of the present utility model; fig. 3 shows an axial cross-section of a guide mechanism provided by an embodiment of the present utility model. Referring to fig. 2 and 3, the guide mechanism includes an adapter table 100, a fixing base 200, and a guide body 300. The sensor 20 to be measured is mounted on the transfer table 100, and the telescopic shaft 12 is rotatably connected to the bottom of the transfer table 100 around its own axis. The fixed gauge outfit 11 is fixedly connected to the fixed base 200. The guide body 300 is disposed parallel to the axial direction of the telescopic shaft 12, and is connected between the fixing base 200 and the transfer table 100, so as to limit the moving direction of the transfer table 100 and prevent the transfer table 100 from rotating. The transfer table 100 is driven by the telescopic shaft 12 to move along the axial direction of the guide body 300, so as to drive the sensor 20 to be measured to approach or depart from the rotary blade 30 in the vertical direction.
Specifically, the guiding mechanism further comprises a bearing mechanism 400. The bearing mechanism 400 is disposed on a side of the adapting table 100 facing away from the sensor 20 to be measured, and the telescopic shaft 12 is rotatably connected to the bearing mechanism 400. The bearing mechanism 400 includes a coupling seat 410 and a bearing body 420. The bearing body 420 is rotatably disposed on the adapting table 100 around its own axis, the connection base 410 is rotatably disposed in the bearing body 420 around its own axis, and the end of the telescopic shaft 12 is fixedly connected to the connection base 410. In this embodiment, the bearing body 420 may employ a flange bearing in the prior art.
More specifically, the adapter 100 is provided with a clamping table 110 on a side facing away from the sensor 20 to be measured and toward the micrometer 10. The clamping table 110 has an annular structure, a clamping hole is formed, and the bearing body 420 is rotatably disposed in the clamping table 110.
With continued reference to fig. 2 and 3, the fixing base 200 is in a slot shape, and includes a supporting portion 210, a pressing portion 220 and a connecting portion 230. The supporting portion 210 and the pressing portion 220 are respectively and fixedly connected to two ends of the connecting portion 230 to form a clamping space, and the fixed gauge outfit 11 is clamped in the clamping space.
Specifically, the pressing portion 220 is screwed with a fastening bolt 221, and an end portion of the fastening bolt 221 extending into the clamping space can abut against the fixed gauge outfit 11. Thereby achieving reliable fixing of the fixed gauge outfit 11 of various sizes.
More specifically, the upper end surface of the fixing seat 200 is provided with a clamping groove, the guide member body 300 has two sections of rod-shaped structures sleeved with each other, and the bottom end part of the guide member body is fixed in the clamping groove. In this embodiment, the guide body 300 includes a fixed section and a free section. The fixed section is connected to the fixed base 200, and the free section is connected to the top corner of the adapting table 100. The free section is telescopically inserted and connected into the fixed section, and the free section is elongated relative to the fixed section, and the sensor 20 to be measured can be close to the rotary blade 30; when the free section is retracted relative to the fixed section, the sensor 20 under test can now be moved away from the rotating blade 30.
In other embodiments, the guide body 300 is in the form of an integral rod-like structure. The transfer table 100 is concavely provided with a sliding groove corresponding to the position of the guide body 300, and the guide body 300 is movably inserted into the sliding groove. The transfer table 100 can slide along the guide body 300 under the driving of the telescopic shaft 12 rotating relative to the fixed gauge outfit 11, and the linear motion of the transfer table 100 is limited by the guide body to prevent the rotation thereof.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The guide mechanism is connected between the rotary telescopic device and the linear motion part, the rotary telescopic device comprises a fixed part and a telescopic part, the telescopic part is rotatably arranged in the fixed part, the telescopic part rotates and can extend out of the fixed part or retract into the fixed part, the linear motion part is connected with the telescopic part, and the telescopic part can drive the linear motion part to perform linear motion along the axial direction of the telescopic part;
the guide mechanism is characterized by comprising:
the linear motion component is arranged on the switching table (100), and the telescopic component is rotatably connected with the switching table (100) around the axis of the telescopic component;
the fixing seat (200) is fixedly connected with the fixing seat (200) by the fixing component;
a guide body (300), wherein the guide body (300) is arranged parallel to the axial direction of the telescopic component, is connected with the fixing seat (200) and the switching table (100), and can prevent the switching table (100) from rotating;
the transfer table (100) is driven by the rotation of the telescopic component relative to the fixed component to move along the axial direction of the guide body (300).
2. The guiding mechanism according to claim 1, further comprising a bearing mechanism (400), the bearing mechanism (400) being provided to the adapter table (100), the telescopic member being rotatably connected to the bearing mechanism (400).
3. The guide mechanism according to claim 2, wherein the bearing mechanism (400) includes a connection base (410) and a bearing body (420), the bearing body (420) is rotatably disposed on the adapting table (100) about its own axis, the connection base (410) is rotatably disposed in the bearing body (420) about its own axis, and an end portion of the telescopic member is fixedly connected to the connection base (410).
4. A guide mechanism according to claim 3, wherein the transfer table (100) is provided with a clamping table (110), the clamping table (110) is provided with a clamping hole, and the bearing body (420) is rotatably provided in the clamping table (110).
5. The guiding mechanism according to claim 1, wherein the fixing base (200) includes a supporting portion (210), a pressing portion (220) and a connecting portion (230), the supporting portion (210) and the pressing portion (220) are respectively fixedly connected to two ends of the connecting portion (230) to form a clamping space, and the fixing component is clamped in the clamping space.
6. The guide mechanism according to claim 5, wherein the pressing portion (220) is screwed with a fastening bolt (221), and an end portion of the fastening bolt (221) extending into the click-on space can be pressed against the fixing member.
7. The guide mechanism according to claim 5, wherein the upper end surface of the fixing base (200) is provided with a clamping groove, and one end portion of the guide member body (300) is fixed in the clamping groove.
8. The guiding mechanism according to any one of claims 1-7, wherein the guide body (300) comprises a fixed section and a free section, the fixed section being connected to the fixed seat (200), the free section being connected to the transfer table (100), the free section being telescopically connected to the fixed section.
9. The guiding mechanism according to any one of claims 1 to 7, wherein the guiding member body (300) has a rod-shaped structure, the adapting table (100) is concavely provided with a sliding groove at a position corresponding to the guiding member body (300), the guiding member body (300) is movably inserted into the sliding groove, and the adapting table (100) can slide along the guiding member body (300) under the driving of the telescopic member rotating relative to the fixing member.
10. Sensor calibration device, characterized in that it comprises a micrometer (10), a sensor (20) to be measured, a rotating blade (30) and a guiding mechanism according to any one of claims 1-9; micrometer (10) including fixed gauge outfit (11) and telescopic shaft (12), telescopic shaft (12) rotationally set up in fixed gauge outfit (11), can be for fixed gauge outfit (11) are flexible, await measuring sensor (20) set up in on changeover panel (100), fixed gauge outfit (11) link firmly in fixing base (200), telescopic shaft (12) can be connected with around self axis rotationally in changeover panel (100), await measuring sensor (20) can be followed under the drive of telescopic shaft (12) axis direction is close to or is kept away from rotatory blade (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322500957.XU CN220708430U (en) | 2023-09-14 | 2023-09-14 | Guiding mechanism and sensor calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322500957.XU CN220708430U (en) | 2023-09-14 | 2023-09-14 | Guiding mechanism and sensor calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220708430U true CN220708430U (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322500957.XU Active CN220708430U (en) | 2023-09-14 | 2023-09-14 | Guiding mechanism and sensor calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220708430U (en) |
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2023
- 2023-09-14 CN CN202322500957.XU patent/CN220708430U/en active Active
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