CN218380824U - Measuring device for spiral angle of involute cylindrical helical gear - Google Patents
Measuring device for spiral angle of involute cylindrical helical gear Download PDFInfo
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- CN218380824U CN218380824U CN202222194223.9U CN202222194223U CN218380824U CN 218380824 U CN218380824 U CN 218380824U CN 202222194223 U CN202222194223 U CN 202222194223U CN 218380824 U CN218380824 U CN 218380824U
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Abstract
A measuring device for a helical angle of an involute cylindrical helical gear belongs to the technical field of gear parameter measurement. The method is characterized in that: including base (12), the rotatable surface that is located base (12) of involute cylinder helical gear (13) that awaits measuring, be provided with on the surface of base (12) and carry out the corner record mechanism that takes notes to the turned angle of involute cylinder helical gear (13), be provided with level just to measuring head (4) of involute cylinder helical gear (13) in one side of involute cylinder helical gear (13), still be provided with horizontal record mechanism and the vertical record mechanism that carries out the record respectively to the horizontal migration position and the vertical migration position of measuring head (4). In the measuring device for the spiral angle of the involute cylindrical helical gear, the measurement of the spiral angle of the involute cylindrical helical gear is realized by arranging the corner recording mechanism, the horizontal recording mechanism and the vertical recording mechanism on the base, and the measuring device has the advantages of low cost, convenience in use and accuracy in measurement.
Description
Technical Field
A measuring device for a helical angle of an involute cylindrical helical gear belongs to the technical field of gear parameter measurement.
Background
The involute cylindrical helical gear is a gear commonly used in a speed reducer, and when the speed reducer is maintained, the involute cylindrical helical gear is frequently replaced, but for the involute cylindrical helical gear, when the angle of the spiral angle of the involute cylindrical helical gear cannot be determined, the proper involute cylindrical helical gear cannot be replaced. In the prior art, the measurement of the involute cylindrical helical gear can only be completed by a gear measuring instrument, however, the gear measuring instrument is very expensive, and a large production cost is added for general enterprises, so that a technical scheme which is convenient to use, low in cost and capable of accurately measuring the helix angle of the involute cylindrical helical gear is designed, and the problem to be solved in the field is urgently solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the measuring device for the spiral angle of the involute cylindrical helical gear has the advantages of being low in cost, convenient to use and accurate in measurement.
The utility model provides a technical scheme that its technical problem adopted is: the measuring device for the spiral angle of the involute cylindrical helical gear is characterized in that: the device comprises a base, wherein an involute cylindrical helical gear to be detected is rotatably provided with a clamping mechanism for fixing the involute cylindrical helical gear, a corner recording mechanism for recording the rotation angle of the clamping mechanism is arranged on the surface of the base, one side of the involute cylindrical helical gear is provided with a measuring head with a horizontal face opposite to the involute cylindrical helical gear, and a horizontal recording mechanism and a vertical recording mechanism for respectively recording the horizontal moving position and the vertical moving position of the measuring head are further arranged.
Preferably, the corner recording mechanism is an angle scale plate embedded in the surface of the base, and the clamping mechanism is concentrically and rotatably located on the surface of the angle scale plate.
Preferably, the clamping mechanism is a three-jaw chuck, and the three-jaw chuck is rotatably arranged at the center of the angle scale plate through a rotating shaft.
Preferably, the horizontal recording mechanism be horizontal measuring ruler, vertical recording mechanism be vertical dipperstick, be equipped with horizontal sliding block in horizontal dipperstick's outer lane cover, vertical dipperstick vertical fixation is at horizontal sliding block's upper surface, be equipped with vertical sliding block in vertical dipperstick's outer lane cover, measuring head horizontal installation on vertical sliding block orientation involute cylinder helical gear's terminal surface.
Preferably, a measuring rod is horizontally fixed on the end face, facing the involute cylindrical helical gear, of the vertical sliding block, and a measuring head is fixed at the end part of the measuring rod.
Preferably, the horizontal measuring ruler is perpendicular to the axis of the involute cylindrical helical gear, and the extension line of the horizontal measuring ruler is intersected with the axis of the involute cylindrical helical gear.
Preferably, a horizontal locking knob for locking the horizontal sliding block and the horizontal measuring scale is arranged on one side of the horizontal sliding block; and a vertical locking knob for locking the vertical sliding block and the vertical measuring scale is arranged on one side of the vertical sliding block.
Preferably, a stand column is vertically arranged at the end part of the base, the top of the stand column horizontally extends to the position right above the involute cylindrical helical gear towards the inner side of the base, an air cylinder is arranged on the lower surface of the horizontal section of the stand column, a piston rod of the air cylinder is vertically downward, and a tip which is right opposite to the circle center of the involute cylindrical helical gear is arranged at the tail end of the piston rod of the air cylinder.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
in the measuring device for the spiral angle of the involute cylindrical helical gear, the measurement of the spiral angle of the involute cylindrical helical gear is realized by arranging the corner recording mechanism, the horizontal recording mechanism and the vertical recording mechanism on the base, and the measuring device has the advantages of low cost, convenience in use and accuracy in measurement.
Drawings
FIG. 1 is a schematic structural diagram of a measuring device for a helix angle of an involute cylindrical helical gear.
Wherein: 1. the vertical column 2, the cylinder 3, the top 4, the measuring head 5, the vertical measuring scale 6, the measuring rod 7, the vertical sliding block 8, the vertical locking knob 9, the horizontal sliding block 10, the horizontal measuring scale 11, the horizontal locking knob 12, the base 13, the involute cylindrical helical gear 14, the three-jaw chuck 15, the rotating shaft 16 and the angle scale plate.
Detailed Description
Fig. 1 is a preferred embodiment of the present invention, and the present invention will be further explained with reference to fig. 1.
As shown in fig. 1, a device for measuring the helix angle of an involute cylindrical helical gear comprises a base 12, a rear angle-adjustable disc 16 is embedded in one side of the surface of the base 12, a rotating shaft 15 is arranged at the center of an angle scale plate 16, a three-jaw chuck 14 is installed at the center of the rotating shaft 15, the three-jaw chuck 14 is rotatably arranged above the angle scale plate 16 through the rotating shaft 15, the three-jaw chuck 14 and the angle scale plate 16 are concentrically arranged, the three-jaw chuck 14 can be realized by a common three-jaw chuck sold in the field, and when the three-jaw chuck 14 rotates, the rotating angle of the three-jaw chuck 14 can be determined through the angle-adjustable disc 16.
The end part of the base 12 is provided with a vertical column 1, the top of the vertical column 1 horizontally extends to the right above the three-jaw chuck 14 towards the inner side of the base 12, the lower surface of the horizontal section of the vertical column 1 is provided with a cylinder 2, a piston rod of the cylinder 2 is vertically downward, the tail end of the piston rod of the cylinder 2 is concentrically fixed with a rear tip 3, and the tip 3 is downward and right opposite to the center of the three-jaw chuck 14.
Three jaws are arranged in the three-jaw chuck 14, and can be driven to synchronously expand or contract by adjusting a knob at the side part of the three-jaw chuck 14. When the involute cylindrical helical gear 13 is a gear shaft, the three clamping jaws shrink simultaneously, the involute cylindrical helical gear 13 is clamped from the outer ring of the involute cylindrical helical gear 13, and meanwhile, a piston rod of the cylinder 2 outputs the involute cylindrical helical gear and is fixed in an auxiliary mode from the center of a circle above the involute cylindrical helical gear 13 through the center 3; when the involute cylindrical helical gear 13 is a gear ring, three jaws of the three-jaw chuck 14 are positioned on an inner ring of the involute cylindrical helical gear 13, and when the three jaws expand simultaneously, the involute cylindrical helical gear 13 to be measured and the three-jaw chuck 14 can be concentrically fixed.
A horizontal measuring ruler 10 is arranged on the surface of the base 12, and the horizontal measuring ruler 10 is positioned on the other side of the three-jaw chuck 14 relative to the upright 1. The leveling ruler 10 is perpendicular to the axis of the three-jaw chuck 14, and the extension line of the leveling ruler 10 intersects with the axis of the three-jaw chuck 14. The outer ring of the horizontal measurement value 10 is sleeved with a horizontal sliding block 9, the surface of the horizontal sliding block 9 is provided with a display screen for displaying the moving position of the horizontal sliding block 9 on a horizontal measurement scale 10, and one side of the horizontal sliding block 9 is also provided with a horizontal locking knob 11 for locking the horizontal sliding block 9 and the horizontal measurement scale 10.
A measuring rod 6 is horizontally fixed on the end face, facing the involute cylindrical helical gear 13, of the vertical sliding block 7, and a measuring head 4 is horizontally fixed at the end part of the measuring rod 6. And a vertical locking knob 8 for locking the vertical slider 7 and the vertical measuring scale 5 is arranged on the end surface of the vertical slider 7, which is back to the involute cylindrical helical gear 13. The measuring head 4 may be implemented by techniques known in the art, such as feelers in a feeler gauge or edge finder.
The specific working process and working principle are as follows:
firstly, the addendum circle helix angle is approximately measured by rolling addendum circles, and an initial value is given to the helix angle of the involute cylindrical helical gear 13 by utilizing the relationship that the addendum circle helix angle is larger than the helix angle of the involute cylindrical helical gear 13β 0 . Then, the calculation formula of the spiral angle and the reference circle diameter of the involute cylindrical helical gear 13 is utilized to calculate the spiral angle of the involute cylindrical helical gear 13 to beβ 0 Diameter of reference circled 0 。
The horizontal sliding block 9 moves outwards from the center of the involute cylindrical helical gear 13d 0 A distance of/2 and locks the horizontal locking knob 11. And moving the vertical sliding block 7 to the top of the involute cylindrical helical gear 13, moving the measuring head 4 into a tooth groove of the involute cylindrical helical gear 13, then locking the vertical locking bolt 8, and recording data displayed on a display screen of the vertical sliding block 7.
The three-jaw chuck 14 is rotated to the measuring head 4 to alarm, one tooth surface of the tooth socket is contacted with the measuring head 4, and the rotating angle of the three-jaw chuck 14 is recorded through the angle scale plate 16. Then the three-jaw chuck 14 is rotated and the vertical sliding block 7 is slid simultaneously until the measuring head 4 moves to the lower end of the tooth space of the involute cylindrical helical gear 13, the vertical locking bolt 8 is locked, and the display screen on the surface of the vertical sliding block 7 is recorded again. During the rotation of the three-jaw chuck 14, the measuring head 4 can always be in contact with the tooth flank.
In order to reduce the operation difficulty, in the process of rotating the three-jaw chuck 14, the measuring head 4 can be separated from the tooth surface without keeping a contact state with the tooth surface, and in the measuring mode, when the measuring head 4 moves to the lower end of the tooth groove of the involute cylindrical helical gear 13 along with the vertical sliding block 7, the three-jaw chuck 14 needs to be rotated again to the measuring head 4 for alarming, the rotating angle of the three-jaw chuck 14 is recorded through the angle scale plate 16, and the difference value of the rotating angle of the three-jaw chuck 14 corresponding to the angle scale plate 16 when the measuring head 4 gives an alarm twice back and forth is recorded.
By knowing the datad 0 The arc length is calculated by the recorded angle data (the difference value of the rotation angles of the three-jaw chuck 14 when the measuring head 4 gives an alarm twice before and after), the numerical value of the arc length is the length of the opposite side (right-angle side) of the spiral angle of the involute cylindrical helical gear 13 in the right-angle triangle where the spiral angle of the involute cylindrical helical gear 13 is positioned, and the change value of the display screen numerical value of the vertical sliding block 7 is the length of the adjacent side (right-angle side) of the spiral angle of the involute cylindrical helical gear 13Therefore, the calculated value of the spiral angle of the involute cylindrical helical gear 13 can be obtained by the tangent formulaβ 1 。
The calculated helix angleβ 1 Repeating the above steps as the amplitude to obtain the calculated value of the spiral angle of the involute cylindrical helical gear 13β 2 The calculated helix angleβ 2 Repeating the steps as assignment to obtain the calculated value of the spiral angle of the involute cylindrical helical gear 13β 3 823060 The method includes calculating the calculated angle of helical angleβ n-1 Repeating the steps as assignment to obtain the calculated value of the spiral angle of the involute cylindrical helical gear 13β n Up toβ n-1 Andβ n is equal to, orβ n-1 Andβ n is less than a preset error, and a calculated value obtained by final calculationβ n I.e. the angle of the helix angle of the involute cylindrical helical gear 13.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a measuring device of involute cylinder helical gear helical angle which characterized in that: the device comprises a base (12), wherein a clamping mechanism used for fixing an involute cylindrical helical gear (13) to be detected is rotatably arranged on the surface of the base (12), a corner recording mechanism used for recording the rotation angle of the clamping mechanism is arranged on the surface of the base (12), a measuring head (4) with the level just opposite to the involute cylindrical helical gear (13) is arranged on one side of the involute cylindrical helical gear (13), and a horizontal recording mechanism and a vertical recording mechanism which are used for recording the horizontal movement position and the vertical movement position of the measuring head (4) respectively are further arranged.
2. The apparatus for measuring the helix angle of an involute cylindrical helical gear of claim 1, wherein: the corner recording mechanism is an angle scale plate (16) embedded in the surface of the base (12), and the clamping mechanism is concentrically and rotatably arranged on the surface of the angle scale plate (16).
3. The apparatus for measuring the helix angle of an involute cylindrical helical gear of claim 2, wherein: the clamping mechanism is a three-jaw chuck (14), and the three-jaw chuck (14) is rotatably arranged at the center of the angle scale plate (16) through a rotating shaft (15).
4. The device for measuring the helix angle of an involute cylindrical helical gear according to claim 1, wherein: horizontal recording mechanism be horizontal measuring ruler (10), vertical recording mechanism be vertical measuring ruler (5), the outer lane cover of horizontal measuring ruler (10) is equipped with horizontal sliding block (9), vertical measuring ruler (5) vertical fixation is on the upper surface of horizontal sliding block (9), the outer lane cover of vertical measuring ruler (5) is equipped with vertical slider (7), measuring head (4) horizontal installation on vertical slider (7) orientation involute cylinder helical gear (13) terminal surface.
5. The apparatus for measuring the helix angle of an involute cylindrical helical gear of claim 4, wherein: a measuring rod (6) is horizontally fixed on the end face, facing the involute cylindrical helical gear (13), of the vertical sliding block (7), and the measuring head (4) is fixed at the end portion of the measuring rod (6).
6. The apparatus for measuring the helix angle of an involute cylindrical helical gear of claim 4, wherein: the horizontal measuring ruler (10) is perpendicular to the axis of the involute cylindrical helical gear (13), and the extension line of the horizontal measuring ruler (10) is intersected with the axis of the involute cylindrical helical gear (13).
7. The device for measuring the helix angle of an involute cylindrical helical gear according to claim 4, wherein: a horizontal locking knob (11) used for locking the horizontal sliding block (9) and the horizontal measuring scale (10) is arranged on one side of the horizontal sliding block (9); one side of the vertical sliding block (7) is provided with a vertical locking knob (8) used for locking the vertical sliding block (7) and the vertical measuring scale (5).
8. The apparatus for measuring the helix angle of an involute cylindrical helical gear of claim 1, wherein: the end part of the base (12) is vertically provided with an upright column (1), the top of the upright column (1) horizontally extends to the position right above the involute cylindrical helical gear (13) towards the inner side of the base (12), the lower surface of the horizontal section of the upright column (1) is provided with a cylinder (2), the piston rod of the cylinder (2) vertically faces downwards, and the tail end of the piston rod of the cylinder (2) is provided with a tip (3) which is right opposite to the circle center of the involute cylindrical helical gear (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222194223.9U CN218380824U (en) | 2022-08-20 | 2022-08-20 | Measuring device for spiral angle of involute cylindrical helical gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222194223.9U CN218380824U (en) | 2022-08-20 | 2022-08-20 | Measuring device for spiral angle of involute cylindrical helical gear |
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| Publication Number | Publication Date |
|---|---|
| CN218380824U true CN218380824U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222194223.9U Active CN218380824U (en) | 2022-08-20 | 2022-08-20 | Measuring device for spiral angle of involute cylindrical helical gear |
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| CN (1) | CN218380824U (en) |
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2022
- 2022-08-20 CN CN202222194223.9U patent/CN218380824U/en active Active
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