CN216051223U - Auxiliary device for calibrating differential measuring head - Google Patents
Auxiliary device for calibrating differential measuring head Download PDFInfo
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- CN216051223U CN216051223U CN202122404563.5U CN202122404563U CN216051223U CN 216051223 U CN216051223 U CN 216051223U CN 202122404563 U CN202122404563 U CN 202122404563U CN 216051223 U CN216051223 U CN 216051223U
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- positioning column
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Abstract
The utility model discloses an auxiliary device for calibrating a differential measuring head, which comprises a connecting sleeve and a positioning column coaxial with the connecting sleeve, wherein the diameter of the positioning column is larger than the outer diameter of the connecting sleeve, the positioning column and the connecting sleeve are in a T shape, one end of the connecting sleeve, which is close to the positioning column, is a closed end, the connecting sleeve and the positioning column are connected through a transition round platform, the positioning column is coaxially provided with a counter bore along the axial direction from the direction of the connecting sleeve to the direction close to the connecting sleeve, the center of the counter bore is coaxially connected with a positioning guide column, one end of the positioning guide column, which is far from the connecting sleeve, is flush with one end of the positioning column, which is far from the connecting sleeve, one end of the positioning guide column, which is far from the connecting sleeve, is uniformly distributed with a plurality of positioning beads by taking the axial direction of the positioning beads as the rotation direction, the connecting sleeve is sleeved on a measuring rod of the differential measuring head, the calibration tool head is guided by the positioning beads, and the coaxiality of the tool head and the differential measuring rod can be effectively ensured, the calibration precision and the calibration efficiency are improved.
Description
Technical Field
The utility model relates to the field of calibration devices, in particular to an auxiliary device for calibrating a differential measuring head.
Background
The extensometer calibrator is a purely mechanical high-precision displacement micrometer, is specially used for calibrating various extensometers according to the requirements of JJJG 762-92 extensometers calibration regulations, and is also widely used for calibrating displacement sensors and calibrating corresponding dial indicators, dial indicators and differential probes.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides the auxiliary device for calibrating the differential measuring head, which has the advantages of simple structure, accurate positioning, capability of quickly ensuring the coaxiality and improvement of the calibration efficiency.
The technical scheme of the utility model is as follows:
the utility model provides an auxiliary device for differential gauge head is markd, includes connecting sleeve and the reference column coaxial with connecting sleeve, the reference column diameter is greater than the connecting sleeve external diameter, the reference column is the T type with connecting sleeve, the one end that connecting sleeve is close to the reference column is the blind end, link to each other through excessive round platform between connecting sleeve and the reference column, the reference column is kept away from connecting sleeve's direction along its axis direction to the coaxial counter bore that is provided with of direction near connecting sleeve, counter bore center coaxial coupling location guide post, the one end that connecting sleeve was kept away from to the location guide post is kept away from connecting sleeve's one end parallel and level with the reference column, the one end that connecting sleeve was kept away from to the location guide post uses its axis to be a plurality of location pearls of direction of gyration equipartition.
The connecting sleeve, the positioning column and the transition round platform are of an integrated structure.
The number of the positioning beads is three, and the positioning beads are fixedly connected with the positioning guide columns.
The connecting sleeve is provided with an adjusting and fixing through hole communicated with the outer wall and the inner wall of the connecting sleeve along the radial direction of the connecting sleeve, and the adjusting and fixing through hole is a threaded hole.
The utility model has the beneficial effects that:
1. the top of the connecting sleeve is closed, the closed end is coaxially connected with a positioning column with a positioning guide column, positioning beads are uniformly distributed in the positioning guide column, the circle center of the positioning beads is coaxial with the connecting sleeve, the connecting sleeve is sleeved on a measuring rod of the differential measuring head, the differential measuring head and the connecting sleeve can be ensured to be coaxial, and the measuring tool bit is inserted into the circle center of the positioning beads, so that the measuring tool bit and the measuring rod can be quickly ensured to be coaxial, the assembling efficiency is improved, the calibration speed is improved, and the calibration reliability is improved;
2. the connecting sleeve, the positioning column and the transition round platform are of an integrated structure, and are integrally processed, so that the taking and the use are convenient, the loss can be effectively prevented, and the use safety is improved;
3. the number of the positioning beads is three, so that the positioning accuracy of the centering of the cutter head can be ensured, and the calibration reliability can be effectively improved;
4. the adjusting fixing through holes are formed in one side of the connecting sleeve and are threaded holes, the connecting sleeve can be fixed in position by connecting screws matched with the threaded holes, rotation in the calibration process can be avoided, and the safety of the calibration process can be improved.
Drawings
Fig. 1 is a front view of an auxiliary device for differential probe calibration according to an embodiment of the present invention;
fig. 2 is a top view of an auxiliary device for calibration of a differential probe according to an embodiment of the present invention.
Description of reference numerals:
the device comprises a connecting sleeve 1, a positioning column 2, a transition circular truncated cone 3, a positioning bead 4, an adjusting and fixing through hole 11, a counter bore 21 and a positioning guide column 22.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example (b):
as shown in fig. 1-2, an auxiliary device for calibrating a differential probe includes a connecting sleeve 1 and a positioning column 2 coaxial with the connecting sleeve 1, a diameter of the positioning column 2 is greater than an outer diameter of the connecting sleeve 1, the positioning column 2 and the connecting sleeve 1 are in a T shape, one end of the connecting sleeve 1 close to the positioning column 2 is a closed end, the connecting sleeve 1 and the positioning column 2 are connected through a transition circular truncated cone 3, the positioning column 2 is coaxially provided with a counter bore 21 along a direction of an axis of the positioning column 2 away from the connecting sleeve 1 to a direction close to the connecting sleeve 1, the center of the counter bore 21 is coaxially connected with a positioning guide column 22, one end of the positioning guide column 22 away from the connecting sleeve 1 is flush with one end of the positioning column 2 away from the connecting sleeve 1, and a plurality of positioning beads 4 are uniformly distributed on one end of the positioning guide column 22 away from the connecting sleeve 1 with the axis as a rotation direction.
The working principle of the technical scheme is as follows:
when the differential gauge head needs to be calibrated, the differential gauge head is fixed on a calibration clamp along the vertical direction, the opening end of a connecting sleeve 1 is sleeved on a measuring rod of the differential gauge head, the coaxiality of the differential gauge head and the connecting sleeve 1, a positioning column 2 and a positioning guide column 22 can be ensured, a plurality of positioning beads 4 are uniformly distributed in the positioning guide column 22, a tool bit for calibration is inserted into the positioning beads 4 along the vertical direction, the inserted tool bit can be positioned due to the fact that the positioning beads 4 are uniformly distributed in the positioning guide column 22, the tool bit is ensured to be coaxial with the connecting sleeve 1, the coaxiality of the tool bit and the measuring rod of the differential gauge head can be ensured, the calibration precision can be improved, and the calibration efficiency can be improved.
Connecting sleeve 1, reference column 2, 3 formula structures as an organic whole of excessive round platform, the integral type processing is taken the convenience, can effectually prevent to lose, improves the security of using.
The number of the positioning beads 4 is three, and the positioning beads 4 are fixedly connected with the positioning guide columns 22, so that the positioning accuracy of the centering of the cutter head can be ensured, and the calibration reliability can be effectively improved.
Connecting sleeve 1 is provided with the regulation fixed through-hole 11 of UNICOM connecting sleeve outer wall and inner wall along its radial direction, adjusts fixed through-hole 11 and is the screw hole, through connect with this screw hole complex screw, can carry out the rigidity to the connecting sleeve, can ensure that the calibration in-process can not appear rotatoryly, can improve the security of calibration process.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (4)
1. The auxiliary device for calibrating the differential measuring head is characterized by comprising a connecting sleeve (1) and a positioning column (2) coaxial with the connecting sleeve (1), wherein the diameter of the positioning column (2) is larger than the outer diameter of the connecting sleeve (1), the positioning column (2) and the connecting sleeve (1) are in a T shape, one end, close to the positioning column (2), of the connecting sleeve (1) is a closed end, the connecting sleeve (1) is connected with the positioning column (2) through a transition round table (3), a counter bore (21) is coaxially arranged from the direction, away from the connecting sleeve (1), of the positioning column (2) along the axis direction to the direction close to the connecting sleeve (1), the center of the counter bore (21) is coaxially connected with a positioning guide column (22), one end, away from the connecting sleeve (1), of the positioning guide column (22) is flush with one end, away from the connecting sleeve (1), of the positioning column (2), one end of the positioning guide post (22) far away from the connecting sleeve (1) is uniformly distributed with a plurality of positioning beads (4) by taking the axis thereof as the rotation direction.
2. An auxiliary device for differential gauge head calibration according to claim 1, characterized in that the connecting sleeve (1), the positioning column (2) and the transition round table (3) are of an integrated structure.
3. An auxiliary device for differential gauge head calibration according to claim 1, characterized in that the number of the positioning beads (4) is three, and the positioning beads (4) are fixedly connected with the positioning guide columns (22).
4. An auxiliary device for calibrating a differential measuring head according to claim 1, characterized in that the connecting sleeve (1) is provided with an adjusting and fixing through hole (11) communicating the outer wall and the inner wall of the connecting sleeve (1) along the radial direction of the connecting sleeve, and the adjusting and fixing through hole (11) is a threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122404563.5U CN216051223U (en) | 2021-10-08 | 2021-10-08 | Auxiliary device for calibrating differential measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122404563.5U CN216051223U (en) | 2021-10-08 | 2021-10-08 | Auxiliary device for calibrating differential measuring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216051223U true CN216051223U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122404563.5U Active CN216051223U (en) | 2021-10-08 | 2021-10-08 | Auxiliary device for calibrating differential measuring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216051223U (en) |
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2021
- 2021-10-08 CN CN202122404563.5U patent/CN216051223U/en active Active
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