CN103090782A - Wide-range inductance measuring head - Google Patents
Wide-range inductance measuring head Download PDFInfo
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- CN103090782A CN103090782A CN2013100393330A CN201310039333A CN103090782A CN 103090782 A CN103090782 A CN 103090782A CN 2013100393330 A CN2013100393330 A CN 2013100393330A CN 201310039333 A CN201310039333 A CN 201310039333A CN 103090782 A CN103090782 A CN 103090782A
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- measuring
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- measuring staff
- ear
- magnetic core
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A wide-range inductance measuring head is composed of a measuring guide rail and a measuring magnetic circuit in a connecting mode. The measuring guide rail is formed by the fact that a measuring rod is arranged inside a shaft sleeve. A measuring head is arranged at the front end of the measuring rod, a measuring steel ball is embedded at the front end of the measuring head, a holder is arranged on the measuring rod, four rows of stabilized steel balls are evenly arranged between the holder and the measuring rod, the rear portion of the measuring rod is connected with the front end of the holder, and a limiting device is further arranged on the measuring rod. The measuring magnetic circuit is that a magnetic core is arranged inside a magnetic sleeve, a coil framework is sleeved outside the magnetic core, a left magnetic ear and a right magnetic ear are respectively arranged at two ends of the magnetic core, and a left limiting device and a right limiting device are further arranged on the left magnetic ear and the right magnetic ear. A connecting rod is arranged at the right end of the magnetic sleeve, the connecting rod penetrates through the right magnetic ear and is connected with the magnetic core, and a spring device is arranged on the connecting rod.
Description
Technical field
The present invention relates to the inductance measurement device of measuring distance, specifically relate to a kind of wide range inductance measurement head.
Background technology
The inductance measuring meter of existing market, it measures magnetic circuit device is all to adopt magnetosheath, magnetic core, extension bar, coil rack to form, and the structure of this device is relatively simple, and it measures output sensitivity and the range of linearity can not satisfy high-precision actual production requirement.
Summary of the invention
For overcoming the drawback that exists in above-mentioned technology, the invention provides a kind of wide range inductance measurement head, can effectively improve scope and the precision of measurement.
For achieving the above object, the technical solution used in the present invention is: a kind of wide range inductance measurement head, it is to connect to form by measuring guide rail and measuring magnetic circuit, described measurement guide rail is arranged in an axle sleeve by measuring staff and forms, front end at measuring staff is provided with gauge head, front end at gauge head embeds a measurement steel ball, be provided with retainer on measuring staff, four rows evenly are installed between retainer and measuring staff stablize steel ball, the measuring staff rear portion is connected with the front end of retainer, and stroke limit device also is installed on measuring staff; Described measurement magnetic circuit is that a magnetic core is installed in a magnetosheath pipe, in the magnetic core outer cover, a coil rack is arranged, respectively be provided with left magnetic ear and right magnetic ear at the two ends of magnetic core, on left magnetic ear and right magnetic ear, left limit device and right limit device are installed also, be provided with connecting rod at magnetosheath pipe right-hand member, connecting rod passes right magnetic ear and is connected with magnetic core, is provided with spring assembly on connecting rod.
Also be provided with the front travel adjustment ring on described gauge head.
Described stroke limit device is comprised of on measuring staff by a fixed pin pin joint limit journey pin, and the axial displacement of limit journey measuring staff is 10.5MM.
Described stable steel ball is provided with eight steel balls every row, and two adjacent row's steel balls evenly misplace 22.5 °.
Beneficial effect of the present invention is: measuring head of the present invention can more be stablized and carry out accurately range observation, and the precision of measuring improves greatly, can guarantee that its total travel can reach the realization of 10.5MM, repeatable accuracy≤two indexs of 0.1 μ M, the result of actual measurement, total travel is 10.5MM, repeatable accuracy≤0.03 μ M, and output sensitivity increases approximately 30%.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is measurement guide rail structure schematic diagram of the present invention.
Fig. 3 is measuring magnetic circuit structure schematic diagram of the present invention.
Embodiment
The present invention will be further described below in conjunction with the drawings and specific embodiments:
As Fig. 1, Fig. 2, shown in Figure 3, a kind of wide range inductance measurement head, it is to connect to form by measuring guide rail 1 and measuring magnetic circuit 2, described measurement guide rail 1 is arranged on axle sleeve 12 interior composition by measuring staff 11, front end at measuring staff 11 is provided with gauge head 13, front end at gauge head 13 embeds a measurement steel ball 14, be provided with retainer 15 on measuring staff 11, four rows evenly are installed between retainer 15 and measuring staff 11 stablize steel ball 16, measuring staff 11 rear portions are connected with the front end of retainer 15, and stroke limit device 17 also is installed on measuring staff 11; Described measurement magnetic circuit 2 is that a magnetic core 22 is installed in a magnetosheath pipe 21, in magnetic core 22 outer cover, a coil rack 23 is arranged, respectively be provided with left magnetic ear 24 and right magnetic ear 25 at the two ends of magnetic core 22, on left magnetic ear 24 and right magnetic ear 25, left limit device 26 and right limit device 27 are installed also, be provided with connecting rod 28 at magnetosheath pipe 21 right-hand members, connecting rod 28 passes right magnetic ear 25 and is connected with magnetic core 22, is provided with spring assembly 29 on connecting rod 28.
Also be provided with front travel adjustment ring 18 on described gauge head 13.
Described stroke limit device 17 is comprised of on measuring staff by a fixed pin pin joint limit journey pin, and the axial displacement of limit journey measuring staff is 10.5MM.
Described stable steel ball 16 is provided with eight steel balls every row, and two adjacent row's steel balls evenly misplace 22.5 °.
The wide range inductance measurement head of our company's research and development makes the main performance of this instrument reach domestic highest level owing to having adopted above-mentioned a series of innovation and creation, and concrete numerical value is as shown in the table.
Claims (4)
1. wide range inductance measurement head, it is characterized in that: it is to connect to form by measuring guide rail (1) and measuring magnetic circuit (2), described measurement guide rail (1) is arranged in an axle sleeve (12) by measuring staff (11) and forms, front end at measuring staff (11) is provided with gauge head (13), front end at gauge head (13) embeds a measurement steel ball (14), be provided with retainer (15) on measuring staff (11), four rows evenly are installed between retainer (15) and measuring staff (11) stablize steel ball (16), measuring staff (11) rear portion is connected with the front end of retainer (15), stroke limit device (17) also is installed on measuring staff (11), described measurement magnetic circuit (2) is that a magnetic core (22) is installed in a magnetosheath pipe (21), in magnetic core (22) outer cover, a coil rack (23) is arranged, respectively be provided with left magnetic ear (24) and right magnetic ear (25) at the two ends of magnetic core (22), left limit device (26) and right limit device (27) also are installed on left magnetic ear (24) and right magnetic ear (25), be provided with connecting rod (28) at magnetosheath pipe (21) right-hand member, connecting rod (28) passes right magnetic ear (25) and is connected with magnetic core (22), is provided with spring assembly (29) on connecting rod (28).
2. a kind of wide range inductance measurement head according to claim 1, is characterized in that: also be provided with front travel adjustment ring (18) on described gauge head (13).
3. a kind of wide range inductance measurement head according to claim 1 is characterized in that: described stroke limit device (17) is comprised of on measuring staff by a fixed pin pin joint limit journey pin, and the axial displacement of limit journey measuring staff is 10.5MM.
4. a kind of wide range inductance measurement head according to claim 1, it is characterized in that: described stable steel ball (16) is provided with eight steel balls every row, evenly 22.5 ° of dislocation of two adjacent row's steel balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100393330A CN103090782A (en) | 2013-02-01 | 2013-02-01 | Wide-range inductance measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100393330A CN103090782A (en) | 2013-02-01 | 2013-02-01 | Wide-range inductance measuring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103090782A true CN103090782A (en) | 2013-05-08 |
Family
ID=48203660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100393330A Pending CN103090782A (en) | 2013-02-01 | 2013-02-01 | Wide-range inductance measuring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103090782A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783688A (en) * | 2016-02-26 | 2016-07-20 | 清华大学 | Displacement meter servo calibration system |
| CN113953650A (en) * | 2021-11-18 | 2022-01-21 | 江苏科技大学 | Magnetic lug embedded magnetic stirring friction welding device with adjustable magnetization degree |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107033A (en) * | 1985-09-21 | 1987-04-01 | 株式会社三丰制作所 | Contacting signal probe |
| JPH05302835A (en) * | 1992-04-28 | 1993-11-16 | Omron Corp | Displacement switch |
| CN202350805U (en) * | 2011-12-02 | 2012-07-25 | 杭州工具量具有限公司 | Novel differential transducer |
-
2013
- 2013-02-01 CN CN2013100393330A patent/CN103090782A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107033A (en) * | 1985-09-21 | 1987-04-01 | 株式会社三丰制作所 | Contacting signal probe |
| JPH05302835A (en) * | 1992-04-28 | 1993-11-16 | Omron Corp | Displacement switch |
| CN202350805U (en) * | 2011-12-02 | 2012-07-25 | 杭州工具量具有限公司 | Novel differential transducer |
Non-Patent Citations (1)
| Title |
|---|
| 黄喜芝: "双列6粒钢球上罗拉轴承的设计", 《纺织机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783688A (en) * | 2016-02-26 | 2016-07-20 | 清华大学 | Displacement meter servo calibration system |
| CN113953650A (en) * | 2021-11-18 | 2022-01-21 | 江苏科技大学 | Magnetic lug embedded magnetic stirring friction welding device with adjustable magnetization degree |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130508 |