CN107702649B - Hall probe high-precision position acquisition device - Google Patents
Hall probe high-precision position acquisition device Download PDFInfo
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- CN107702649B CN107702649B CN201711189598.3A CN201711189598A CN107702649B CN 107702649 B CN107702649 B CN 107702649B CN 201711189598 A CN201711189598 A CN 201711189598A CN 107702649 B CN107702649 B CN 107702649B
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- hall probe
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- guide rail
- linear guide
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- 239000000523 sample Substances 0.000 title claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 241001272720 Medialuna californiensis Species 0.000 claims description 6
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 230000001133 acceleration Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Abstract
The invention discloses a Hall probe, a grating ruler reading head and a half-moon-shaped cushion block, wherein the half-moon-shaped cushion block is a half cylinder, the half cylinder is equally divided into two halves along the radial surface, one half of the half cylinder is sunken downwards to form a lower plane, and the other half of the half cylinder is an upper plane; a linear guide rail is arranged on the lower plane of the half-moon-shaped cushion block, and a grating ruler is arranged on the upper plane of the half-moon-shaped cushion block; the two ends of the linear guide rail are provided with a front pulley and a rear pulley, a steel wire rope is connected between the front pulley and the rear pulley, a sliding block is sleeved on the linear guide rail, a probe adjusting mechanism is arranged on the sliding block, and the probe adjusting mechanism is connected with a Hall probe; and a grating ruler reading head is arranged on the side surface of the top end of the grating ruler. The invention is flexible and convenient to use, and effectively accelerates the working efficiency.
Description
Technical Field
The invention relates to the field of accurate measurement of magnetic field distribution of a solenoid coil of an accelerator beam transmission system, in particular to a Hall probe high-precision position acquisition device.
Background
The accelerator beam transport system is an important component of the accelerator. Therefore, a quite high technical index is provided for a beam transmission system of the accelerator, the development of measurement of a beam transmission element is particularly important in the process of beam adjustment, the measurement comprises accurate measurement of magnetic field distribution of a solenoid coil, a laser tracker is used for establishing reference coordinates in space in the process of measuring an actual measurement magnetic field, the position relationship between a Hall probe and a coil is determined by measuring the positions of the Hall probe and the coil in the reference coordinates, and the acquisition of the position relationship between the Hall probe and the coil becomes a working key. In the accurate magnetic field measurement process of a single accelerating cavity coil in the assembled accelerating component, the accelerating pipeline is an elongated pipeline, the measuring range is long in the process of acquiring the position of the Hall probe, the large-range special measuring equipment cannot be carried to the site, and the magnetic field distribution can be accurately measured only by disassembling the single accelerating cavity, so that the working difficulty is increased, and the working efficiency is reduced. If the magnetic field of a single accelerating cavity coil in the on-line accelerating cavity component is required to be measured, the accelerating cavity component is required to be disassembled into a single accelerating cavity, and the weight of each accelerating cavity is approximately 1 ton, so that the disassembling process is troublesome, and the measuring process is not continuous and connected. Greatly reduces the working efficiency.
Disclosure of Invention
The invention solves the problem of working efficiency in the prior art when measuring the magnetic field of a single accelerating cavity coil in an online accelerating cavity component, and provides the Hall probe high-precision position acquisition device which can realize the acquisition of the position of the Hall probe outside an accelerating pipeline in application, thereby greatly accelerating the working efficiency.
The invention is realized by the following technical scheme:
the device comprises a Hall probe, a grating ruler reading head and a half-moon-shaped cushion block, wherein the half-moon-shaped cushion block is a half cylinder, the half cylinder is equally divided into two halves along the radial surface, one half of the half cylinder is sunken downwards to form a lower plane, and the other half of the half cylinder is an upper plane; a linear guide rail is arranged on the lower plane of the half-moon-shaped cushion block, and a grating ruler is arranged on the upper plane of the half-moon-shaped cushion block; the two ends of the linear guide rail are provided with a front pulley and a rear pulley, a steel wire rope is connected between the front pulley and the rear pulley, a sliding block is sleeved on the linear guide rail, a probe adjusting mechanism is arranged on the sliding block, and the probe adjusting mechanism is connected with a Hall probe; and a grating ruler reading head is arranged on the side surface of the top end of the grating ruler. At present, in the accurate magnetic field measurement process of a single coil in an assembled acceleration group, as the acceleration pipeline is an elongated pipeline, the measuring range is long in the process of acquiring the position of the Hall probe, and large-range special measuring equipment cannot be carried to the site, and the magnetic field distribution can be accurately measured only by disassembling the single acceleration cavity, so that the working difficulty is increased, and the working efficiency is reduced. If the magnetic field of a single accelerating cavity coil in the on-line accelerating cavity component is required to be measured, the accelerating cavity component is required to be disassembled into a single accelerating cavity, and the weight of each accelerating cavity is approximately 1 ton, so that the disassembling process is troublesome, and the measuring process is not continuous and connected. The work efficiency is greatly reduced, the accelerating cavity pipeline is longer, the Hall probe works in an invisible environment, workers can only see information detected by the Hall probe, but the specific position of a detection place in the pipeline cannot be determined, accurate measurement of magnetic field distribution of the solenoid coil cannot be achieved, data information is inaccurate, and the work is influenced. The invention provides a Hall probe high-precision position acquisition device, which is characterized in that a half-moon-shaped cushion block is placed in an acceleration cavity, a grating ruler and a linear guide rail are placed on the half-moon-shaped cushion block, gaps are reserved among the grating ruler, the linear guide rail and the acceleration cavity, a sliding block is sleeved on the linear guide rail, and the sliding block is driven to move on the linear guide rail through a steel wire between a front pulley and a rear pulley, so that the sliding block can pass through the gaps between the linear guide rail and the acceleration cavity, and is prevented from being blocked in excessive sinking of the movement. The front pulley and the rear pulley are arranged at two ends of the linear guide rail, the Hall probe is arranged on the sliding block, and a probe adjusting mechanism is further connected between the Hall probe and the sliding block, so that the Hall probe can be adjusted up and down and left and right through the probe adjusting mechanism, and the situation in the accelerating cavity can be detected more clearly. And the Hall probe moves along with the sliding block simultaneously, the grating ruler reading head is arranged on the side surface of the top end of the grating ruler, the specific position of the Hall probe can be clearly known through the reading of the grating ruler reading head, and the use is flexible, convenient, time-saving and labor-saving. The single disassembly of the accelerating cavities is avoided, and the working efficiency is effectively accelerated. The accelerating cavity pipeline is longer, the position of the Hall probe working in the invisible space cannot be determined, but the position of the Hall probe in the accelerating cavity pipeline is accurately determined through the readings of the grating ruler and the reading head of the grating ruler, so that the position of the magnetic field distribution of the solenoid coil can be accurately known, the working efficiency can be effectively increased, and the smooth working is ensured. The invention can be used for high-precision positioning of the Hall probe in the accelerating cavity pipeline, and can also be used for precisely positioning the positions of devices working in other invisible spaces.
Furthermore, the high-precision position acquisition device of the Hall probe is characterized in that the half-moon-shaped cushion block and the measured accelerating cavity pipeline have the same circle center and the same radius. The semi-moon-shaped cushion block and the measured acceleration cavity pipeline have the same circle center and the same radius, so that the position of the semi-moon-shaped cushion block in the acceleration cavity is more stable and accurate, and errors of measurement results caused by instability in the use process are avoided.
Further, the high-precision position acquisition device of the Hall probe is characterized in that the steel wire rope is led out from the front end of the sliding block, bypasses the top from the bottom of the front pulley, then bypasses the bottom from the top of the rear pulley, and finally is connected with the rear end of the sliding block.
Further, the Hall probe high-precision position acquisition device further comprises a fixing plate, and the fixing plate is arranged below the linear guide rail. After the device is placed in the accelerating cavity to be tested, the device can be fixed with the flange outside the accelerating cavity through the fixing plate, and a safer and more stable working environment can be provided.
Further, the number of the half-moon-shaped cushion blocks is 6.
Further, a Hall probe high-precision position acquisition device is provided, and a handle is arranged on the rear pulley. The handle is rocked to drive the rear pulley and the front pulley to move, so that the sliding block moves on the linear guide rail, and the novel electric bicycle is more labor-saving, convenient and easy to operate.
In summary, the following beneficial effects of the invention are:
1. according to the high-precision position acquisition device for the Hall probe, the sliding block is driven to move on the linear guide rail through the front pulley and the rear pulley, and the position of the Hall probe is determined through the reading of the reading head of the grating ruler, so that the device is flexible, convenient, time-saving and labor-saving in use. The single disassembly of the accelerating cavities is avoided, and the working efficiency is effectively accelerated.
2. According to the high-precision position acquisition device for the Hall probe, after the device is placed in the acceleration cavity to be detected, the device can be fixed with the flange outside the acceleration cavity through the fixing plate, and a safer and more stable working environment can be provided.
3. According to the Hall probe high-precision position acquisition device, the handle is rocked to drive the rear pulley and the front pulley to move, so that the sliding block moves on the linear guide rail, and the Hall probe high-precision position acquisition device is more labor-saving, convenient and easy to operate.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is an enlarged partial schematic view of the present invention.
In the drawings, the reference numerals and corresponding part names:
the device comprises a 1-fixing plate, a 2-Hall probe, a 3-grating ruler reading head, a 4-grating ruler, a 5-half-moon-shaped cushion block, a 6-linear guide rail, a 7-sliding block, an 8-probe adjusting mechanism, a 9-front pulley and a 10-rear pulley.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Examples
As shown in fig. 1 to 2, the device comprises a hall probe 2, a grating ruler 4, a grating ruler reading head 3 and a half-moon-shaped cushion block 5, wherein the half-moon-shaped cushion block 5 is a half cylinder, the half cylinder is equally divided into two halves along a radial surface, one half of the half cylinder is sunken downwards to form a lower plane, and the other half of the half cylinder is an upper plane; a linear guide rail 6 is arranged on the lower plane of the half-moon type cushion block, and a grating ruler 4 is arranged on the upper plane of the half-moon type cushion block; the two ends of the linear guide rail 6 are provided with a front pulley 9 and a rear pulley 10, a steel wire rope is connected between the front pulley 9 and the rear pulley 10, the linear guide rail 6 is also sleeved with a sliding block 7, the sliding block 7 is provided with a probe adjusting mechanism 8, and the probe adjusting mechanism 8 is connected with a Hall probe 2; the side of the top end of the grating ruler 4 is provided with a grating ruler reading head 3, the number of the half-moon type cushion blocks 5 and the measured acceleration cavity pipeline are equal in circle center and equal in radius, a steel wire rope is led out from the front end of the sliding block 7, bypasses the top from the bottom of the front pulley 9 and then bypasses the bottom from the top of the rear pulley 10 and finally is connected with the rear end of the sliding block 7, the grating ruler further comprises a fixing plate 1, the fixing plate 1 is arranged below the linear guide rail 6, the number of the half-moon type cushion blocks 5 is 6, and a handle is arranged on the rear pulley 10. In the practical use process, the semi-moon-shaped cushion block 5 is in clearance fit with the accelerating cavity pipeline and has the same radius, the linear guide rail 6 and the grating ruler 4 are arranged on the semi-moon-shaped cushion block 5, the sliding block 7 is arranged on the linear guide rail 6, the probe adjusting mechanism 8 is arranged on the sliding block 7, the adjustment of the Hall probe 2 in the upper direction, the lower direction, the left direction and the right direction can be realized, the grating ruler reading head 3 is led out from the front end of the sliding block 7 by a steel wire rope, the top is bypassed from the bottom of the front pulley 9, then the top is bypassed from the top of the rear pulley 10, and finally, the linear guide rail 6 and the grating ruler 4 are connected with the rear end of the sliding block 9, and the movement of the sliding block 7 can be realized by shaking the handle on the rear pulley 10. When the whole device is stretched into an accelerating pipeline during measurement, after the whole device is completely stretched into the accelerating cavity pipeline, the fixing plate 1 is connected with the whole device and is fixed on an accelerating cavity external flange, the whole device is fixed, the Hall probe 2 is overlapped with the axis of the accelerating pipeline through the probe adjusting mechanism 8, the movement of the sliding block 7 can be controlled by shaking the handle on the rear pulley 10 in the process of measuring a magnetic field, the accurate change of the position of the Hall probe 2 can be seen through a digital display screen externally connected with the grating ruler reading head 3 in the moving process, the accuracy is up to 0.001mm, and the accurate reading of the position of the Hall probe moving in the invisible pipeline is realized through the operation.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The high-precision position acquisition device for the Hall probe comprises the Hall probe (2), a grating ruler (4) and a grating ruler reading head (3) and is characterized by further comprising a half-moon-shaped cushion block (5), wherein the half-moon-shaped cushion block (5) is a half cylinder, the half cylinder is equally divided into two halves along the radial surface, one half of the half cylinder is sunken downwards to form a lower plane, and the other half of the half cylinder is an upper plane; a linear guide rail (6) is arranged on the lower plane of the half-moon type cushion block, and a grating ruler (4) is arranged on the upper plane of the half-moon type cushion block; the two ends of the linear guide rail (6) are provided with a front pulley (9) and a rear pulley (10), a steel wire rope is connected between the front pulley (9) and the rear pulley (10), the linear guide rail (6) is also sleeved with a sliding block (7), the sliding block (7) is provided with a probe adjusting mechanism (8), and the probe adjusting mechanism (8) is connected with a Hall probe (2); the side surface of the top end of the grating ruler (4) is provided with a grating ruler reading head (3).
2. The high-precision position acquisition device of the Hall probe according to claim 1, wherein the half-moon-shaped cushion block (5) has the same circle center and the same radius as the measured accelerating cavity pipeline.
3. The high-precision position acquisition device for the Hall probe according to claim 1, wherein the steel wire rope is led out from the front end of the sliding block (7), bypasses the top from the bottom of the front pulley (9) and then bypasses the bottom from the top of the rear pulley (10), and finally is connected with the rear end of the sliding block (7).
4. The high-precision position acquisition device of the hall probe according to claim 1, further comprising a fixing plate (1), wherein the fixing plate (1) is arranged below the linear guide rail (6).
5. The high-precision position acquisition device for the hall probe according to claim 1, wherein the number of the half-moon-shaped cushion blocks (5) is 6.
6. The high-precision position acquisition device for the hall probe according to claim 1, wherein a handle is arranged on the rear pulley (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189598.3A CN107702649B (en) | 2017-11-24 | 2017-11-24 | Hall probe high-precision position acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189598.3A CN107702649B (en) | 2017-11-24 | 2017-11-24 | Hall probe high-precision position acquisition device |
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| Publication Number | Publication Date |
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| CN107702649A CN107702649A (en) | 2018-02-16 |
| CN107702649B true CN107702649B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711189598.3A Active CN107702649B (en) | 2017-11-24 | 2017-11-24 | Hall probe high-precision position acquisition device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108427082A (en) * | 2018-04-04 | 2018-08-21 | 西安聚能超导磁体科技有限公司 | One kind being used for major diameter Dipole superconducting magnetic body examination magnetic field devices |
| CN109152194A (en) * | 2018-09-29 | 2019-01-04 | 中国原子能科学研究院 | A kind of bevatron removes the localization method of target telecontrol equipment and removing target |
| CN109855521B (en) * | 2019-01-04 | 2020-08-04 | 清华大学深圳研究生院 | Method for determining effective measuring position of Hall probe |
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