CN220170145U - Measuring device for symmetry degree of inner hole double key grooves - Google Patents
Measuring device for symmetry degree of inner hole double key grooves Download PDFInfo
- Publication number
- CN220170145U CN220170145U CN202321442336.4U CN202321442336U CN220170145U CN 220170145 U CN220170145 U CN 220170145U CN 202321442336 U CN202321442336 U CN 202321442336U CN 220170145 U CN220170145 U CN 220170145U
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- China
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- movable rod
- symmetry
- inner hole
- sliding block
- double key
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a measuring device for symmetry of an inner hole double key groove, which comprises a movable rod, wherein one end of the movable rod is connected with a dial indicator, the outer part of the other end of the movable rod is sleeved with a sliding block, and the lower part of the movable rod is provided with a steel bar. The device for measuring the symmetry of the inner hole double key grooves effectively solves the problem of measuring the symmetry of the inner hole double key grooves, has the advantages of simple structure, convenient use, higher measurement precision and low manufacturing cost, and greatly improves the measurement precision and efficiency.
Description
Technical Field
The utility model belongs to the technical field of measuring devices, and particularly relates to a measuring device for symmetry of an inner hole double-key groove.
Background
For many gear parts in production, the inner hole of the gear part is provided with 180-degree double key grooves, and the symmetry degree requirement is high. The measurement work of the symmetry degree of the double key grooves of the inner hole of 180 degrees is crucial to the production of gear parts, and the measurement task is very tedious. The traditional measurement mode adopts an inner diameter ruler to measure the size from the steel bar to the inner hole wall, so that the operation is very inconvenient, and the measurement accuracy is lower.
Disclosure of Invention
The utility model aims to provide a device for measuring the symmetry of an inner hole double key groove, which solves the problem of lower precision in the traditional measurement of the symmetry of the inner hole double key groove.
The technical scheme adopted by the utility model is that the measuring device for the symmetry degree of the double-key groove of the inner hole comprises a movable rod, one end of the movable rod is connected with a dial indicator, the outer part of the other end of the movable rod is sleeved with a sliding block, and the lower part of the movable rod is provided with a steel bar.
The utility model is also characterized in that:
the lower half part of the sliding block is a cuboid platform, one end of the lower part of the cuboid platform is provided with a notch, two sides of the notch are mutually perpendicular, the length surface and the height surface of the steel bar are respectively attached to two perpendicular surfaces of the notch, a quadrangular frustum pyramid is arranged along the width direction of the middle position of the upper surface of the cuboid platform, and the upper part and the lower part of the sliding block are integrally formed;
the device comprises a quadrangular frustum, a threaded hole and a threaded hole, wherein the threaded hole is formed in the vertical direction of the quadrangular frustum and is connected with a jackscrew matched with the quadrangular frustum;
wherein, open the unthreaded hole along the width direction of the quadrangular frustum pyramid, the unthreaded hole locates at the inferior part of the threaded hole, unthreaded hole and threaded hole direction are perpendicular and communicate each other;
wherein, movable rod and slider pass through jackscrew swing joint.
The beneficial effects of the utility model are as follows: the device for measuring the symmetry of the inner hole double key grooves effectively solves the problem of measuring the symmetry of the inner hole double key grooves. The device has the advantages of simple structure, convenient use, higher measurement precision and low manufacturing cost, and greatly improves the measurement precision and efficiency.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a device for measuring the symmetry of a double key slot in an inner hole according to the present utility model
FIG. 2 is a schematic diagram of the structure of a slider in the device for measuring symmetry of a double key slot in an inner hole according to the present utility model
FIG. 3 is a schematic view showing the working state of the device for measuring the symmetry of the inner hole double key grooves of the utility model
In the figure, 1 percent meter, 2 movable rod, 3 sliding block, 4 jackscrew, 5 steel bar, 6 light hole, 7 threaded hole, 8 gear, 9 double bond groove, 10 notch, 11 cuboid platform, 12 quadrangular platform
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The utility model discloses a measuring device for the symmetry degree of an inner hole double key grooves, which is shown in figure 1, and comprises a dial indicator 1, a movable rod 2, a sliding block 3, a jackscrew 4 and a steel bar 5, wherein the lower part of the dial indicator 1 is connected with the movable rod 2, the sliding block 3 is sleeved outside the movable rod 2, the movable rod 2 is movably connected with the sliding block 3 through the jackscrew 4, the position of the dial indicator can be flexibly adjusted by utilizing the jackscrew, and the dial indicator can be fixed on the sliding block, so that the dial indicator is convenient to detach and easy to install; the lower part of the movable rod 2 is provided with a steel bar 5, and the steel bar 5 is matched with the sliding block 3 for use.
Example 1
As shown in fig. 1, the measuring device for the symmetry degree of the inner hole double key grooves integrally comprises a dial indicator 1, a movable rod 2, a sliding block 3, a jackscrew 4 and a steel bar 5, wherein the lower part of the dial indicator 1 is connected with the movable rod 2, the movable rod 2 is movably connected with the sliding block 3 through the jackscrew 4, the lower part of the movable rod 2 is provided with the steel bar 5, and the steel bar 5 is matched with the sliding block 3 for use.
Example 2
The utility model discloses a measuring device for the symmetry degree of an inner hole double key groove, which integrally comprises a dial indicator 1, a movable rod 2, a sliding block 3, a jackscrew 4 and a steel bar 5, wherein the lower part of the dial indicator 1 is connected with the movable rod 2, the movable rod 2 is movably connected with the sliding block 3 through the jackscrew 4, the lower part of the movable rod 2 is provided with the steel bar 5, and the steel bar 5 is matched with the sliding block 3 for use.
As shown in fig. 2, in the measuring device for the symmetry degree of the inner hole double key groove, a sliding block 3 is in a special shape, is divided into an upper part and a lower part and is integrally formed, the lower part is a cuboid platform 11, one end of the lower part of the cuboid platform is provided with a notch 10, two sides of the notch 10 are mutually perpendicular, the length surface and the height surface of a steel bar 5 are respectively attached to two perpendicular surfaces of the notch 10 without gaps, the sliding block 3 slides back and forth along the length direction of the steel bar 5, in addition, a quadrangular frustum 12 is arranged along the width direction of the middle position of the upper surface of the cuboid platform 11, a threaded hole 7 is formed along the vertical direction of the quadrangular frustum 12, a light hole 6 is formed along the width direction of the quadrangular frustum 12, the light hole 6 is positioned at the lower part of the threaded hole 7, and the light hole 6 is perpendicular to the direction of the threaded hole 7 and is mutually communicated.
Example 3
The utility model discloses a measuring device for the symmetry degree of an inner hole double key groove, which integrally comprises a dial indicator 1, a movable rod 2, a sliding block 3, a jackscrew 4 and a steel bar 5, wherein the lower part of the dial indicator 1 is connected with the movable rod 2, the movable rod 2 is movably connected with the sliding block 3 through the jackscrew 4, the lower part of the movable rod 2 is provided with the steel bar 5, and the steel bar 5 is matched with the sliding block 3 for use.
The utility model discloses a measuring device for the symmetry degree of an inner hole double key groove, wherein a sliding block 3 is in a special shape, is divided into an upper part and a lower part and is integrally formed, the lower part is a cuboid platform 11, one end of the lower part of the cuboid platform is provided with a notch 10, two sides of the notch 10 are mutually perpendicular, the length surface and the height surface of a steel bar 5 are respectively attached to two perpendicular surfaces of the notch 10 without gaps, the sliding block 3 slides back and forth along the length direction of the steel bar 5, in addition, a quadrangular frustum 12 is arranged along the width direction of the middle position of the upper surface of the cuboid platform 11, a threaded hole 7 is formed along the vertical direction of the quadrangular frustum 12, a unthreaded hole 6 is formed along the width direction of the quadrangular frustum 12, the unthreaded hole 6 is positioned at the lower part of the threaded hole 7, and the unthreaded hole 6 is perpendicular to the direction of the threaded hole 7 and is mutually communicated.
As shown in fig. 3, two sides of the steel bar 5 are stuck with double key grooves 9 in the inner hole of the solid key gear, the movable rod 2 passes through the unthreaded hole 6, the movable rod 2 can move back and forth in the unthreaded hole 6, the sliding block 3 can slide back and forth along the steel bar 5, the jackscrew 4 passes through the threaded hole 7, the rotary jackscrew 4 is used for controlling the motion state of the sliding block 3 and the movable rod 2, and when the rotary jackscrew 4 is rotated to a certain degree, no relative motion occurs between the sliding block 3 and the movable rod 2.
Referring to fig. 3, the working process of the present utility model is:
step 1, sticking solid key gear inner hole double key grooves 9 on two sides of a steel bar 5;
step 2, the movable rod 2 of the dial indicator 1 is arranged in the unthreaded hole 6 of the sliding block 3, and the distance between the dial indicator 1 and the sliding block 3 is adjusted by adjusting the position of the movable rod 2 in the sliding block 3, so that the dial indicator 1 is positioned at a proper position;
step 3, after the position of the dial indicator 1 is determined, the jackscrew 4 is installed in the threaded hole 7 at the upper end of the sliding block 3, and the jackscrew 4 is rotated until no relative movement occurs between the sliding block 3 and the movable rod 2;
step 4, placing the fixed measuring tool on the steel bar 5, and enabling two vertical faces of the notch 10 below the sliding block 3 to be attached to the two vertical faces of the steel bar 5 without gaps;
step 5, sliding the sliding block 3 back and forth along the steel bar 5 to enable the dial indicator 1 to contact with the lowest point of the inner hole, and recording the numerical value X of the dial indicator 1 1 ；
Step 6, rotating the measuring tool by 180 degrees, repositioning the sliding block 3 on the steel bar 5, repeating the measurement, and recording the numerical value X of the dial indicator 1 2 ；
Absolute value difference of two measured values |X 1 -X 2 I is the symmetry of the key slot 9.
Claims (5)
1. The utility model provides a measuring device of hole double keyway symmetry, contains movable rod (2), its characterized in that, the one end of movable rod (2) is connected with percentage table (1), the outside cover of the other end of movable rod (2) is equipped with a slider (3), movable rod (2) lower part disposes a billet (5).
2. The device for measuring the symmetry of the inner hole double key grooves according to claim 1, wherein the lower half part of the sliding block (3) is a cuboid platform (11), one end of the lower part of the cuboid platform (11) is provided with a notch (10), two sides of the notch (10) are mutually perpendicular, the length surface and the height surface of the steel bar (5) are respectively attached to two perpendicular surfaces of the notch (10), a quadrangular platform (12) is arranged along the width direction of the middle position of the upper surface of the cuboid platform (11), and the upper part and the lower part of the sliding block (3) are integrally formed.
3. The device for measuring the symmetry of the inner hole double key grooves according to claim 2, wherein a threaded hole (7) is formed along the vertical direction of the quadrangular frustum pyramid (12), and the threaded hole (7) is connected with a jackscrew (4) matched with the threaded hole.
4. A device for measuring symmetry of an inner hole double key groove according to claim 3, wherein a light hole (6) is formed along the width direction of the quadrangular frustum (12), the light hole (6) is positioned at the lower part of the threaded hole (7), and the light hole (6) is perpendicular to the direction of the threaded hole (7) and is mutually communicated.
5. The device for measuring the symmetry of the inner hole double key grooves, according to claim 4, wherein the movable rod (2) and the sliding block (3) are movably connected through a jackscrew (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321442336.4U CN220170145U (en) | 2023-06-07 | 2023-06-07 | Measuring device for symmetry degree of inner hole double key grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321442336.4U CN220170145U (en) | 2023-06-07 | 2023-06-07 | Measuring device for symmetry degree of inner hole double key grooves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170145U true CN220170145U (en) | 2023-12-12 |
Family
ID=89053454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321442336.4U Active CN220170145U (en) | 2023-06-07 | 2023-06-07 | Measuring device for symmetry degree of inner hole double key grooves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170145U (en) |
-
2023
- 2023-06-07 CN CN202321442336.4U patent/CN220170145U/en active Active
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