CN108955488B - Measuring device for angle, connecting distance and tooth pitch of internal gear - Google Patents
Measuring device for angle, connecting distance and tooth pitch of internal gear Download PDFInfo
- Publication number
- CN108955488B CN108955488B CN201810522517.5A CN201810522517A CN108955488B CN 108955488 B CN108955488 B CN 108955488B CN 201810522517 A CN201810522517 A CN 201810522517A CN 108955488 B CN108955488 B CN 108955488B
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- rod
- internal gear
- length scale
- angle
- measuring device
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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
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B5/16—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures
- G01B5/166—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures of gear teeth
-
- 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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- 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
Abstract
The invention discloses a device for measuring angles, connection distances and tooth pitches of an internal gear, which comprises a first L-type rod, wherein a vertically arranged prism-shaped first length scale rod is fixedly connected to the first L-type rod, a movable block is sleeved on the first length scale rod in a sliding mode, one side of the movable block is rotatably connected with a connecting shaft, the connecting shaft is perpendicular to the movable block, a rectangular fixed block is fixedly connected to one end, far away from the movable block, of the connecting shaft, and a second length scale rod perpendicular to the fixed block is inserted into the fixed block.
Description
Technical Field
The invention relates to the technical field of measuring devices, in particular to a device for measuring angles, connecting distances and tooth pitches of an internal gear.
Background
The internal gear is one kind of gear, but the angle of internal gear, the numerical value of connection distance and pitch of tooth are difficult to measure at present, especially the internal gear that the internal gear is located the annular inside wall mounting groove, because it receives the sheltering of annular lateral wall, can not measure the numerical value of internal gear angle, connection distance and pitch of tooth, and traditional marking method and irradiation method are not suitable for the measurement of internal gear, for this reason, can only improve the degree of accuracy of mould in order to guarantee the accuracy of internal gear, but need guarantee the accuracy of internal gear meshing in some high precision components, and the mould can not guarantee the accuracy of internal gear completely in the production process, and it is also very difficult to measure, consequently bring very big trouble for people's use.
Therefore, the device for measuring the angle, the connection distance and the tooth pitch of the internal gear is designed.
Disclosure of Invention
The invention aims to solve the problem that the angle, the connection distance and the pitch of an internal gear are difficult to measure at present, and provides a device for measuring the angle, the connection distance and the pitch of the internal gear.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a measuring device of internal gear angle, connection distance and tooth pitch, includes first L type pole, the vertical first length scale bar that is the prism form of fixedly connected with on the first L type pole, the movable block has been cup jointed in the slip on the first length scale bar, one side of movable block is rotated and is connected with the connecting axle, the connecting axle sets up with the movable block is perpendicular, the one end fixedly connected with that the movable block was kept away from to the connecting axle is the fixed block of cuboid form, insert on the fixed block and be equipped with fixed block vertically second length scale bar, the one end fixedly connected with second L type pole of second length scale bar, one side fixedly connected with isometric head rod and the second connecting rod of connecting axle are kept away from to the movable block, head rod and the perpendicular setting of second connecting rod, the vertical setting of head rod, head rod and second connecting rod pass through arc angle scale and connect.
Preferably, the first L type rod is connected with the first length scale rod through a first stop block.
Preferably, the second L type rod is connected with the second length scale rod through a second limiting block.
Preferably, the bottom of the connecting shaft and the bottom of the movable block are on the same plane.
Preferably, the vertical plane where the axis of the connecting shaft is located, one side of the first length scale rod, which is far away from the first L-shaped rod, and one side of the first connecting rod, which is close to the arc-shaped angle scale, are both located on the same vertical plane.
Preferably, the horizontal plane where the axis of the connecting shaft is located and the side, away from the second L-shaped rod, of the second length scale rod are located on the same plane.
Preferably, the vertical point of the first connecting rod and the second connecting rod is located on the axis of the connecting shaft.
Preferably, the width of the fixing block is the same as the diameter of the connecting shaft.
The method comprises the steps of firstly reading AC, BC and ∠ ACB by adjusting a first length scale rod and a second length scale rod, then obtaining an internal gear connection distance AB by calculation, and then respectively reading angles of ∠ ADB, ∠ HDB and ∠ HDI by adjusting the first length scale rod and the second length scale rod, thereby calculating the angle and the tooth pitch of the connection part of two ends of the internal gear.
Drawings
FIG. 1 is a schematic structural diagram of an internal gear angle, connection distance and pitch measuring device according to the present invention;
FIG. 2 is a schematic view of a reverse structure of an internal gear angle, connection distance and pitch measuring device according to the present invention;
FIG. 3 is a schematic view of a connection structure of a movable block, a connecting shaft, a fixed block and a first connecting rod in the device for measuring the angle, the connecting distance and the pitch of an internal gear according to the present invention;
FIG. 4 is a schematic diagram of measurements AB, ∠ CAB and ∠ ABC in an internal gear angle, connection distance and pitch measurement device according to the present invention;
FIG. 5 is a schematic diagram of an internal gear angle measuring device for measuring an internal gear angle, a connection distance and a pitch
Fig. 6 is a schematic diagram of measuring the tooth pitch of two adjacent internal tooth pitches in the measuring device for the internal gear angle, the connection distance and the tooth pitch provided by the invention.
In the figure, a first L-type rod 1, a first length scale rod 2, a movable block 3, a connecting shaft 4, a fixed block 5, a second length scale rod 6, a second L-type rod 7, a first connecting rod 8, a second connecting rod 9, an arc-shaped angle scale 10, a first limiting block 11 and a second limiting block 12 are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, an internal gear angle, connecting distance and tooth pitch's measuring device, including first L type pole 1, the vertical first length scale pole 2 that is the prism form that sets up of fixedly connected with on the first L type pole 1, sliding sleeve has been connected the movable block 3 on the first length scale pole 2, wherein first length scale pole 2 is the prism form and prevents the rotation of movable block 3 and rock and influence the accuracy of reading, first L type pole 1 is connected through first stopper 11 with first length scale pole 2, prevents that movable block 3 from breaking away from like this.
Wherein, one side of movable block 3 is rotated and is connected with connecting axle 4, and connecting axle 4 sets up with movable block 3 is perpendicular, prevents like this that connecting axle 4 from influencing the reading because not perpendicular with movable block 3.
Wherein, the one end fixedly connected with that the connecting axle 4 keeps away from the movable block 3 is the fixed block 5 of cuboid form, inserts on the fixed block 5 and is equipped with the second length scale rod 6 perpendicular with fixed block 5, guarantees the accuracy that second length scale rod 6 data read like this.
Wherein, the bottom of the connecting shaft 4 and the bottom of the movable block 3 are on the same plane, so that the error of the radius of the connecting shaft 4 on the measuring result of the first length scale rod 2 can be eliminated.
The width of the fixing block 5 is the same as the diameter of the connecting shaft 4, so that the accuracy of the connecting shaft 4 in reading the data of the second length scale rod 6 can be eliminated.
Wherein, the one end fixedly connected with second L type pole 7 of second length scale pole 6, second L type pole 7 is connected through second stopper 12 with second length scale pole 6, prevents like this that fixed block 5 and second length scale pole 6 break away from.
Wherein, one side fixedly connected with isometric head rod 8 and second connecting rod 9 of connecting axle 4 are kept away from to movable block 3, head rod 8 and the perpendicular setting of second connecting rod 9, the vertical setting of head rod 8, head rod 8 and second connecting rod 9 are connected through arc angle scale 10, the perpendicular point of head rod 8 and second connecting rod 9 is located 4 axial lines of connecting axle, guarantee the accuracy when first length scale rod 2 reads the contained angle with second length scale rod 6 like this, guarantee promptly that the centre of a circle department of arc angle scale 10 is the same with the 6 turning points of second length scale rod.
Wherein, the vertical plane that connecting axle 4 axle center was located and the one side that first L type pole 1 was kept away from to first length scale rod 2 and the one side that first connecting rod 8 is close to arc angle scale 10 all lie in same vertical plane, and the vertical plane that connecting axle 4 axle center was located and the one side that first L type pole 1 was kept away from to first length scale rod 2 lie in same vertical plane, guarantees the accuracy that arc angle scale 10 read the angle like this.
According to the invention, the bottom of the first length scale rod 2 is abutted against one end of the inner gear connected with the circular ring, the first length scale rod 2 is inclined and abutted against one side of the inner side wall, then the second length scale rod 6 is moved and rotated to abut against the other side of the inner gear and the side of the inner gear, so that a triangle ABC is formed, at this time, the length on the first length scale rod 2 is read to be L1, the length on the second length scale rod 6 is read to be L2, ∠ ACB is read to be F, wherein the radius of the connecting shaft 4 is R1, the inner radius of the circular ring is R2, AC is L1 + R1, and BC is L2 + R1.
Then, the length of AB is calculated by a computer (wherein a calculation formula can be written in advance, only the value of a variable needs to be input), and referring to FIG. 4, the angle of ∠ CAB and the angle of ∠ CBA, namely the distance between two ends of an internal gear is AB ═ L1 + R1)2+(L2+R1)2-2(L1+R1)(L2+R1)cosF]1/2，∠CAB＝arcsin{[sinF*(L2+R1)]/[(L1+R1)2+(L2+R1)2-2(L1+R1)(L2+R1)cosF]1/2}，∠ABC＝arcsin{[sinF*(L1+R1)]/[(L1+R1)2+(L2+R1)2-2(L1+R1)(L2+R1)cosF]1/2Which is derived by the sine and cosine theorems.
Referring to FIG. 5, the scales on the first length scale rod 2 and the second scale rod 6 are R2-R1, the ends of the first length scale rod 2 and the second scale rod 6 are respectively pressed against the positions A and B at the two ends of the internal gear, when the angle of ∠ ADB read by the arc angle scale 10 is G, the angle of the end A of the internal gear is (180-G)/2- ∠ CAB +90 degrees, and the angle of the end B of the internal gear is (180-G)/2- ∠ ABC +90 degrees.
Referring to fig. 6, the scales on the first length scale bar 2 and the second scale bar 6 are R2-R1, the ends of the first length scale bar 2 and the second scale bar 6 are respectively abutted against the positions B and H, so that the angle of ∠ HDB read by the arc angle scale 10 is K, the ends of the first length scale bar 2 and the second scale bar 6 are respectively abutted against the positions H and I, and the angle of ∠ HDI read by the arc angle scale 10 is M, so that the pitch between two adjacent internal gears is [ (K-M-G) × 2 pi R2 ]/360.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a measuring device of internal gear angle, connection distance and tooth pitch, includes first L type pole (1), its characterized in that, the vertical first length scale bar (2) that is the prism form of fixedly connected with goes up in first L type pole (1), sliding on first length scale bar (2) has cup jointed movable block (3), one side of movable block (3) is rotated and is connected with connecting axle (4), connecting axle (4) set up with movable block (3) are perpendicular, the one end fixedly connected with that movable block (3) were kept away from in connecting axle (4) is fixed block (5) of cuboid form, insert on fixed block (5) and be equipped with and fixed block (5) vertically second length scale bar (6), the one end fixedly connected with second L type pole (7) of second length scale bar (6), one side fixedly connected with that connecting axle (4) were kept away from to movable block (3) is isometric head rod (8) and second connecting rod (9), head rod (8) and second connecting rod (9) set up perpendicularly, head rod (8) and arc-shaped scale (10) angle connection chi (10).
2. An internal gear angle, connection distance and tooth pitch measuring device according to claim 1, characterized in that the first L type rod (1) is connected with the first length scale rod (2) through a first limit block (11).
3. An internal gear angle, connection distance and pitch measuring device according to claim 1, characterized in that the second L type rod (7) is connected with the second length scale rod (6) through a second limiting block (12).
4. An internal gear angle, connection distance and pitch measuring device according to claim 1, characterized in that the bottom of the connecting shaft (4) is in the same plane as the bottom of the movable block (3).
5. An internal gear angle, connection distance and pitch measuring device according to claim 1, characterized in that the vertical plane where the axis of the connecting shaft (4) is located is on the same vertical plane as the side of the first length scale rod (2) away from the first L type rod (1) and the side of the first connecting rod (8) close to the arc angle scale (10).
6. An internal gear angle, connection distance and pitch measuring device according to claim 1, characterized in that the horizontal plane where the axis of the connecting shaft (4) is located is on the same plane as the side of the second length scale bar (6) away from the second L type bar (7).
7. An internal gear angle, connection distance and pitch measuring device according to claim 1, characterized in that the perpendicular points of the first connecting rod (8) and the second connecting rod (9) are located on the axis of the connecting shaft (4).
8. An internal gear angle, connection distance and pitch measuring device according to claim 1, characterized in that the width of the fixing block (5) is the same as the diameter of the connecting shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522517.5A CN108955488B (en) | 2018-05-28 | 2018-05-28 | Measuring device for angle, connecting distance and tooth pitch of internal gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522517.5A CN108955488B (en) | 2018-05-28 | 2018-05-28 | Measuring device for angle, connecting distance and tooth pitch of internal gear |
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| Publication Number | Publication Date |
|---|---|
| CN108955488A CN108955488A (en) | 2018-12-07 |
| CN108955488B true CN108955488B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810522517.5A Active CN108955488B (en) | 2018-05-28 | 2018-05-28 | Measuring device for angle, connecting distance and tooth pitch of internal gear |
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| CN (1) | CN108955488B (en) |
Citations (5)
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| SU781536A1 (en) * | 1978-12-29 | 1980-11-23 | Черниговский Филиал Киевского Ордена Ленина Политехнического Института | Angle meter |
| CA1096608A (en) * | 1978-06-01 | 1981-03-03 | Denis A. Feldman | Gear pitch gauge |
| CN103353270A (en) * | 2013-07-24 | 2013-10-16 | 东南大学 | Measuring apparatus for tooth surface self reference-based large straight-toothed spur gear pitch deviation |
| CN203414042U (en) * | 2013-07-31 | 2014-01-29 | 成都华川电装有限责任公司 | Gear backlash detection device |
| CN203758439U (en) * | 2014-03-07 | 2014-08-06 | 鞍钢集团矿业公司 | Angle device for processing helical gears |
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| DE4418829C2 (en) * | 1993-08-06 | 1998-05-07 | Frenco Verzahnungslehren | Gear testing device |
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| JP2002107142A (en) * | 2000-09-29 | 2002-04-10 | Japan Gear Manufactures Association | Gear-measuring machine |
| CN101245980A (en) * | 2008-02-26 | 2008-08-20 | 江苏飞船股份有限公司 | Inside spline stick space vernier caliper |
| JPWO2010122680A1 (en) * | 2009-04-24 | 2012-10-25 | 株式会社東京テクニカル | Tooth profile measurement method for involute gears |
| CN202661009U (en) * | 2012-06-05 | 2013-01-09 | 浙江众达传动股份有限公司 | Instrument for measuring width of arc tooth slots of internal gear and internal spline |
| CN103292673B (en) * | 2013-05-29 | 2015-10-21 | 辽宁科技大学 | Involute spur large gear tooth surface abrasion detection method and device thereof |
| CN104374264B (en) * | 2013-08-16 | 2017-11-24 | 上海汽车集团股份有限公司 | The measurer of measurement distance and angle |
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2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1096608A (en) * | 1978-06-01 | 1981-03-03 | Denis A. Feldman | Gear pitch gauge |
| SU781536A1 (en) * | 1978-12-29 | 1980-11-23 | Черниговский Филиал Киевского Ордена Ленина Политехнического Института | Angle meter |
| CN103353270A (en) * | 2013-07-24 | 2013-10-16 | 东南大学 | Measuring apparatus for tooth surface self reference-based large straight-toothed spur gear pitch deviation |
| CN203414042U (en) * | 2013-07-31 | 2014-01-29 | 成都华川电装有限责任公司 | Gear backlash detection device |
| CN203758439U (en) * | 2014-03-07 | 2014-08-06 | 鞍钢集团矿业公司 | Angle device for processing helical gears |
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| 渐开线零齿差内啮合齿轮副的设计及测量方法研究;魏玉兰;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20071115(第5期);全文 * |
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| CN108955488A (en) | 2018-12-07 |
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Effective date of registration: 20200611 Address after: 314000 No. 137 Jingwei Road, Huimin Street, Jiashan County, Jiaxing City, Zhejiang Province Applicant after: ZHEJIANG TUYUAN INTELLIGENT EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: No. 19 University Avenue 400000 Nan'an District of Chongqing City Applicant before: Wang Qingfeng |
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