CN107014280B - Gauge for detecting perpendicularity of magnetic shoe - Google Patents
Gauge for detecting perpendicularity of magnetic shoe Download PDFInfo
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- CN107014280B CN107014280B CN201710408635.9A CN201710408635A CN107014280B CN 107014280 B CN107014280 B CN 107014280B CN 201710408635 A CN201710408635 A CN 201710408635A CN 107014280 B CN107014280 B CN 107014280B
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- magnetic shoe
- upright post
- dial indicator
- hole
- bracket
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
Abstract
The invention discloses a gauge for detecting the perpendicularity of a magnetic shoe, which comprises a base, a movable plate, an upright post, a bracket, a dial indicator, a positioning block and a square nut. The upper plane of the base is connected with the upright post, the movable plate, the positioning block and the square nut, one end of the bracket is provided with the dial indicator, and the other end of the bracket is connected with the upper end of the upright post. The measured part magnetic shoe is arranged between the positioning block and the square nut. During detection, the lower end of the dial indicator measuring rod is in contact with the upper end face of the magnetic shoe, and when the upper end face of the magnetic shoe swings from the left end point to the right end point, the difference between the maximum value and the minimum value of the dial indicator jumping is the perpendicularity error value of the upper end face of the measured magnetic shoe and the arc surface. The invention solves the problem that the perpendicularity test of the magnetic shoe is not provided with a special testing tool, and improves the test speed of the magnetic shoe.
Description
Technical Field
The invention relates to the technical field of permanent magnetic ferrite product detection, in particular to a detection tool for detecting perpendicularity of a magnetic shoe.
Background
As is known, the magnetic shoe of the permanent magnetic ferrite product is in a circular arc shape, the perpendicularity between the inner circular arc surface and the outer circular arc surface and the shaft height surface is measured, the detection of the detection tool is difficult, and the detection tool is difficult to find in the market. If three-coordinate digital display detection is used, the detection cost is high, the detection speed is slow, and the requirement of mass production cannot be met.
Disclosure of Invention
The invention aims at providing a gauge for detecting the perpendicularity of a magnetic shoe.
The utility model provides a detect tool of magnetic shoe straightness that hangs down, includes base 1, instrument support and rotary mechanism, base 1 is a rectangle steel sheet, connects instrument support and rotary mechanism on its upper surface, be equipped with the percentage table 5 of perpendicular installation on the instrument support, rotary mechanism is equipped with fly leaf 2, locating piece 6 and square nut 8, one side of fly leaf 2 is equipped with rotation round pin 24, installs the measured product magnetic shoe 7 perpendicularly between locating piece 6 and square nut 8, magnetic shoe 7 swings about rotation round pin 24 along with fly leaf 2, at this moment, percentage table 5 measuring stick lower extreme and magnetic shoe 7 up end contact to eat 0.20 ~ 0.40mm deeply, when magnetic shoe 7 up end swings to the right side extreme point from the left side extreme point, the difference between the maximum value that percentage table 5 was beated and minimum just is measured magnetic shoe 7 up end and circle arc face straightness error value.
The further defined technical scheme is as follows:
the center line of the base 1 is provided with a pin hole 11 and a column mounting hole 12, and the column mounting hole 12 is of a counter bore structure with one side of a big hole facing downwards.
The positioning block 6 is in a hexagonal block shape, one of the vertical side surfaces of the positioning block is in a convex arc shape, and the convex arc shape is matched with the concave arc shape of the magnetic shoe 7.
Five counter bores are formed in the movable plate 2, and are respectively a rotating pin mounting hole 21, two positioning block mounting holes 22 and a square nut mounting hole 23, and large holes of the five counter bores face the lower plane of the movable plate 2.
The instrument support comprises a support 4 and an upright post 3, wherein the support 4 is a straight strip-shaped steel plate, one end of the support is provided with a meter mounting hole 41, the other end of the support is provided with a connecting hole 42, and the side surface of the meter mounting hole 41 is provided with a fastening screw hole 43. The upright post 3 is cylindrical, connecting screw holes 31 are formed in two ends of the upright post 3, the upright post 3 is vertically arranged on the upper plane of the base 1 through the connecting screw holes 31 at one end of the upright post, and the connecting screw holes 31 at the other end of the upright post 3 are connected with the connecting holes 42 of the bracket 4 through bolts; the support 4 and the upright post 3 are mutually perpendicular, and the support 4 is parallel to the upper plane of the base 1.
The locking screw 44 is arranged on the tightening screw hole 43, the installation height of the dial indicator 5 is adjusted when the locking screw 44 is loosened, and the measuring rod of the dial indicator 6 is locked when the dial indicator is screwed.
The center of the vertical surface of the square nut 8 is provided with a compression threaded hole 81, and the bottom of the square nut 8 is provided with a mounting threaded hole 82; the compression screw 9 is arranged in the compression screw hole 81, and the compression screw 9 compresses the magnetic shoe 7 on the side surface of the positioning block 6.
The rotating pin 24 is cylindrical with two steps with one large end and the other small end, the small end of the rotating pin 24 is matched with the rotating pin mounting hole 21 on the movable plate 2 and is in interference fit, and the large end of the rotating pin 24 is matched with the pin hole 11 on the base 1 and is in clearance fit.
The beneficial technical effects of the invention are as follows:
(1) The method can effectively solve the problem of perpendicularity detection of the inner and outer arc surfaces and the shaft height surface of the magnetic shoe product, and can measure accurate values, thereby meeting the requirements of customers on the product.
(2) The installation mode is simple and convenient, and the inspection speed is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a sectional view of the movable pin installation of the present invention.
Fig. 4 is a view in the direction B of fig. 3 of the present invention.
Fig. 5 is a schematic view of a stent of the present invention.
Number in the figure: base 1, pinhole 11, stand mounting hole 12, fly leaf 2, rotation round pin mounting hole 21, locating piece mounting hole 22, square nut mounting hole 23, rotation round pin 24, stand 3, connection screw 31, support 4, dress table hole 41, connecting hole 42, tight screw 43, locking screw 44, percentage table 5, locating piece 6, magnetic shoe 7, square nut 8, compression screw 9.
Detailed Description
The invention will be described in further detail by way of examples with reference to the accompanying drawings.
Examples
Referring to fig. 1 and 2, a gauge for detecting perpendicularity of a magnetic shoe comprises a base 1, a movable plate 2, an upright post 3, a bracket 4, a dial indicator 5, a positioning block 6 and a square nut 8.
The upright post 3 and the bracket 4 form an instrument bracket, the dial indicator 5 is arranged at one end of the bracket 4, and the measuring rod of the dial indicator 5 is fixed and locked through the locking screw 44. A rotating pin 24 is arranged on one side of the movable plate 2, a magnetic shoe 7 of a product to be tested is vertically arranged between the positioning block 6 and the square nut 8, and the magnetic shoe 7 swings left and right around the rotating pin 24 along with the movable plate 2.
Referring to fig. 3, the rotating pin 24 is cylindrical with two steps, one end of which is large and the other end of which is small, the small end of the rotating pin 24 is matched with the rotating pin mounting hole 21 on the movable plate 2 and is in interference fit, and the large end of the rotating pin 24 is matched with the pin hole 11 on the base 1 and is in clearance fit.
Referring to fig. 4, the movable plate 2 is provided with five counter bores, which are a rotation pin mounting hole 21, two positioning block mounting holes 22 and a square nut mounting hole 23, respectively, and the large holes of the five counter bores face the lower plane of the movable plate 2.
Referring to fig. 5, the bracket 4 is a straight steel plate, one end of the bracket is provided with a meter mounting hole 41, the other end of the bracket is provided with a connecting hole 42, and the side surface of the meter mounting hole 41 is provided with a fastening screw hole 43. Referring to fig. 1, a locking screw 44 is provided on the fastening screw hole 43, and when the locking screw 44 is loosened, the installation height of the dial indicator 5 is adjusted, and when the dial indicator 6 is screwed, the measuring rod is locked.
Referring to fig. 1, during detection, the lower end of the measuring rod of the dial indicator 5 contacts with the upper end surface of the magnetic shoe 7, and the eating depth is 0.30mm, and when the upper end surface of the magnetic shoe 7 swings from the left end point to the right end point, the difference between the maximum value and the minimum value of the jump of the dial indicator 5 is the perpendicularity error value of the upper end surface of the measured magnetic shoe 7 and the arc surface.
The above is not intended to limit the structure, shape, or any form of the present invention. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (5)
1. Detect utensil of examining of magnetic shoe straightness that hangs down, its characterized in that: the gauge comprises a base (1), an instrument support and a rotating mechanism, wherein the base (1) is a rectangular steel plate, the upper plane of the base is connected with the instrument support and the rotating mechanism, the instrument support is provided with a vertically installed dial indicator (5), the rotating mechanism is provided with a movable plate (2), a positioning block (6) and a square nut (8), one side of the movable plate (2) is provided with a rotating pin (24), a measured product magnetic shoe (7) is vertically installed between the positioning block (6) and the square nut (8), the magnetic shoe (7) swings around the rotating pin (24) along with the movable plate (2), at the moment, the lower end of a measuring rod of the dial indicator (5) contacts with the upper end face of the magnetic shoe (7) and is 0.20-0.40 mm deep, and when the upper end face of the magnetic shoe (7) swings from the left end point to the right end point, the difference between the maximum value and the minimum value of the runout of the dial indicator (5) is the error value of the perpendicularity between the upper end face of the measured magnetic shoe (7) and the circular arc surface;
a pin hole (11) and a column mounting hole (12) are arranged on the central line of the base (1), and the column mounting hole (12) is of a counter bore structure with one side of a big hole facing downwards;
the positioning block (6) is in a hexagonal block shape, one side surface of the positioning block in the vertical direction is in a convex arc shape, and the convex arc shape is matched with the concave arc shape of the magnetic shoe (7).
2. The gauge for detecting perpendicularity of a magnetic shoe according to claim 1, wherein: five counter bores are formed in the movable plate (2), each counter bore is provided with a rotating pin mounting hole (21), two positioning block mounting holes (22) and a square nut mounting hole (23), and large holes of the five counter bores face the lower plane of the movable plate (2).
3. The gauge for detecting perpendicularity of a magnetic shoe according to claim 1, wherein: the instrument bracket comprises a bracket (4) and an upright post (3), wherein the bracket (4) is a straight steel plate, one end of the bracket is provided with a meter mounting hole (41), the other end of the bracket is provided with a connecting hole (42), and the side surface of the meter mounting hole (41) is provided with a fastening screw hole (43); the upright post (3) is cylindrical, connecting screw holes (31) are formed in two ends of the upright post, the upright post (3) is vertically arranged on the upper plane of the base (1) through the connecting screw holes (31) at one end of the upright post, and the connecting screw holes (31) at the other end of the upright post (3) are connected with the connecting holes (42) of the bracket (4) through bolts; the support (4) and the upright post (3) are mutually perpendicular, and the support (4) is parallel to the upper plane of the base (1).
4. A gauge for detecting perpendicularity of a magnetic shoe according to claim 3, wherein: the tightening screw hole (43) is provided with a locking screw (44), the installation height of the dial indicator (5) is adjusted when the locking screw (44) is loosened, and the measuring rod of the dial indicator (5) is locked when the dial indicator is screwed.
5. The gauge for detecting perpendicularity of a magnetic shoe according to claim 1, wherein: the center of the vertical surface of the square nut (8) is provided with a compression threaded hole (81), and the bottom of the square nut (8) is provided with an installation threaded hole (82); the compressing screw (9) is arranged in the compressing screw hole (81), and the magnetic shoe (7) is compressed on the side face of the positioning block (6) by the compressing screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408635.9A CN107014280B (en) | 2017-06-02 | 2017-06-02 | Gauge for detecting perpendicularity of magnetic shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408635.9A CN107014280B (en) | 2017-06-02 | 2017-06-02 | Gauge for detecting perpendicularity of magnetic shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107014280A CN107014280A (en) | 2017-08-04 |
| CN107014280B true CN107014280B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710408635.9A Active CN107014280B (en) | 2017-06-02 | 2017-06-02 | Gauge for detecting perpendicularity of magnetic shoe |
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| CN (1) | CN107014280B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401969A (en) * | 2017-08-30 | 2017-11-28 | 山东力得制动科技有限公司 | A kind of automotive brake brake-shoe exterior arc surface precision measurer |
| CN114577170A (en) * | 2022-01-28 | 2022-06-03 | 北京航天时代激光导航技术有限责任公司 | Quick measuring device for verticality of lip edge surface and handle rod of hemispherical harmonic oscillator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH619774A5 (en) * | 1977-09-16 | 1980-10-15 | Heinz Mosig | Device for the precise measurement of the angularity of workpieces |
| CN203657724U (en) * | 2013-12-24 | 2014-06-18 | 安徽龙磁科技股份有限公司 | A permanent magnetic ferrite magnetic shoe verticality detection clamp |
| CN206803917U (en) * | 2017-06-02 | 2017-12-26 | 安徽龙磁科技股份有限公司 | A kind of cubing for detecting magnetic shoe perpendicularity |
-
2017
- 2017-06-02 CN CN201710408635.9A patent/CN107014280B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH619774A5 (en) * | 1977-09-16 | 1980-10-15 | Heinz Mosig | Device for the precise measurement of the angularity of workpieces |
| CN203657724U (en) * | 2013-12-24 | 2014-06-18 | 安徽龙磁科技股份有限公司 | A permanent magnetic ferrite magnetic shoe verticality detection clamp |
| CN206803917U (en) * | 2017-06-02 | 2017-12-26 | 安徽龙磁科技股份有限公司 | A kind of cubing for detecting magnetic shoe perpendicularity |
Non-Patent Citations (1)
| Title |
|---|
| 王铁军 ; 王儒兴 ; .孔与平面、平面与平面垂直度测量专用检具.金属加工(冷加工).2015,(第11期),59-61. * |
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| CN107014280A (en) | 2017-08-04 |
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