CN219757130U - Micrometer for measuring gear tooth top circle - Google Patents
Micrometer for measuring gear tooth top circle Download PDFInfo
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- CN219757130U CN219757130U CN202320810659.8U CN202320810659U CN219757130U CN 219757130 U CN219757130 U CN 219757130U CN 202320810659 U CN202320810659 U CN 202320810659U CN 219757130 U CN219757130 U CN 219757130U
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- fixedly connected
- micrometer
- gear
- detection frame
- measuring
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- 238000001514 detection method Methods 0.000 claims abstract description 39
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model provides a micrometer for measuring a gear tooth top circle, which comprises a detection frame, wherein one end of the detection frame is fixedly connected with a measuring anvil, one end of the measuring anvil is fixedly connected with an auxiliary base plate, one end of the auxiliary base plate is rotatably connected with a double-head screw rod, two ends of the double-head screw rod are in transmission connection with a stabilizing plate, and one end of the stabilizing plate is fixedly connected with a gear; one end of the detection frame is movably connected with a micrometer screw, one end of the micrometer screw is fixedly connected with a positioning plate, one end of the positioning plate and one end of the auxiliary base plate are fixedly connected with a gear, one end of the detection frame is fixedly connected with a fixed sleeve, one end of the fixed sleeve is fixedly connected with a micro-cylinder, and one side of the detection frame is rotatably connected with a locking trigger and a digital display screen; the two sides of the clamping gear are more stable during measurement through the stabilizing plate, one end of the stabilizing plate is fixedly connected with the gear, and the number of teeth of the gear can be easily known, so that the angle alpha degree is known, cos alpha= (M-L)/L, and a specific numerical value of the addendum circle L can be obtained.
Description
Technical Field
The utility model relates to the technical field of gear detection, in particular to a micrometer for measuring a gear tooth top circle.
Background
The gear is a mechanical element with teeth on the rim, can continuously engage and transmit motion and power, is commonly used in various mechanical parts, has wide application in industry, and generally comprises a plurality of data indexes such as gear teeth, tooth grooves, end surfaces, normal surfaces, tooth top circles, tooth root circles, base circles, reference circles and the like, wherein the tooth top circles refer to circles where tooth top ends are positioned, in the detection process of the tooth top circles, the tooth top circle data of the gear can be obtained only by detecting the distance between two axisymmetric teeth of the gear with even number, and the gear with odd number cannot be directly measured because the gear with odd number cannot directly measure the asymmetry among the teeth.
Through retrieval, the patent with the Chinese patent publication number of CN110671994A discloses a gauge and a method for detecting the diameter of the root circle of the odd gear teeth, wherein the gauge comprises a detection body, a dial indicator and two fixed measuring rods; the detection body is provided with a first through hole which is communicated along the axial direction; the detection body is provided with two second through holes and a third through hole which are communicated with the first through hole along the radial direction; an angular bisector of an included angle formed by the two second through hole center lines is collinear with the third through hole center line, and the included angle between the angular bisector and the third through hole center line is 180.
Aiming at the problems that the detection can be carried out only by plugging the gears into the detection device in the prior art, the use is inconvenient, and the internal gears cannot be positioned when the detection is carried out in different sizes, so that the detection has a large error problem; for this purpose, a micrometer for measuring a top circle of gear teeth is proposed.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a micrometer for measuring a top circle of gear teeth, which solves or alleviates the technical problems in the prior art, and at least provides a beneficial choice.
The technical scheme of the embodiment of the utility model is realized as follows: including detecting the frame, detecting frame one end fixedly connected with survey hammering block, survey hammering block one end fixedly connected with auxiliary backing plate, auxiliary backing plate one end is rotated and is connected with the double-end lead screw, and double-end lead screw both ends transmission is connected with the stabilizer, stabilizer one end fixedly connected with gear.
In some embodiments, one end of the detection frame is movably connected with a micrometer screw, one end of the micrometer screw is fixedly connected with a positioning plate, and one end of the positioning plate and one end of the auxiliary base plate are fixedly connected with a gear.
In some embodiments, one end of the detection frame is fixedly connected with a fixed sleeve, and one end of the fixed sleeve is fixedly connected with a micro-cylinder.
In some embodiments, a locking trigger and a digital display screen are rotatably connected to one side of the detection frame.
In some embodiments, a level is fixedly connected to one side of the detection frame.
In some embodiments, a heat insulation sleeve and a bottom pad are fixedly connected to one side of the detection frame.
In some embodiments, one end of the detection frame is fixedly connected with a plug board, and one side of the anvil is slidably connected with a sliding cover.
In some embodiments, a non-slip mat is fixedly connected to one side of the stabilizing plate.
By adopting the technical scheme, the embodiment of the utility model has the following advantages:
1. the micrometer for measuring the top circle of the gear teeth can simultaneously move inwards through the stabilizing plate, the teeth on two sides of the clamping gear are more stable during measurement, one end of the stabilizing plate is fixedly connected with the gear, and the number of teeth of the gear can be easily known, so that the angle alpha degree is known, cos alpha= (M-L)/L, and a specific numerical value of the top circle L can be obtained.
2. The micrometer for measuring the top circle of the gear teeth prevents the contact of external heat sources such as hands and the like through a heat insulation sleeve to enable metal to be subjected to thermal expansion and cold contraction to generate micro deformation influence, and the lower part of a bottom pad is flat, so that the device is convenient to vertically place.
3. A micrometer for measuring a gear tooth top circle is fixedly connected with an anti-slip pad on one side of a stabilizing plate, and the anti-slip pad can be made of rubber materials and can further stabilize a gear.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view block diagram of the present utility model;
FIG. 2 is a block diagram of an auxiliary pad of the present utility model;
FIG. 3 is a block diagram of an anvil according to the present utility model;
FIG. 4 is a bottom view block diagram of the present utility model;
fig. 5 is a schematic diagram of the addendum circle calculation according to the present utility model.
Reference numerals:
1. a detection frame; 2. a gear; 3. a micrometer screw; 4. a positioning plate; 5. measuring an anvil; 6. a fixed sleeve; 7. a micro-cylinder; 8. a locking trigger; 9. a level gauge; 10. a digital display screen; 11. a heat insulating sleeve; 12. an auxiliary backing plate; 13. double-end screw rod; 14. a stabilizing plate; 15. an anti-slip pad; 16. a plug plate; 17. a sliding cover; 18. a bottom pad.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-5, a micrometer for measuring a top circle of gear teeth comprises a detection frame 1, one end of the detection frame 1 is fixedly connected with a measuring anvil 5, one end of the measuring anvil 5 is fixedly connected with an auxiliary backing plate 12, one side of the measuring anvil 5 is provided with a slot, the auxiliary backing plate 12 can be installed for auxiliary measurement, the thickness of the auxiliary backing plate 12 is a fixed value, the surface is flat, two gears at the lowest part of an odd gear 2 can be horizontally placed, the length M is obtained by subtracting the thickness of the auxiliary backing plate 12 from measurement data during measurement, one end of the auxiliary backing plate 12 is rotationally connected with a double-end screw rod 13, two ends of the double-end screw rod 13 are in transmission connection with a stabilizing plate 14, the stabilizing plate 14 can simultaneously move inwards, teeth at two sides of the clamping gear 2 are more stable during measurement, one end of the stabilizing plate 14 is fixedly connected with the gear 2, and the number of teeth of the gear 2 can be easily known, therefore, the angle alpha= (M-L)/L can obtain a specific numerical value of the top circle of the gear teeth L.
In this embodiment, the detection frame 1 one end swing joint has micrometer screw 3, micrometer screw 3 one end fixedly connected with locating plate 4, and locating plate 4 can level the metal sheet, can prevent that micrometer screw 3 from taking place to skid when contacting gear 2, locating plate 4 and auxiliary pad 12 one end fixed connection in gear 2.
In this embodiment, one end of the detection frame 1 is fixedly connected with a fixed sleeve 6, one end of the fixed sleeve 6 is fixedly connected with a micro-cylinder 7, one sides of the fixed sleeve 6 and the micro-cylinder 7 are provided with scales, and the micro-screw 3 can be adjusted by rotating the micro-cylinder 7.
In this embodiment, a locking trigger 8 and a digital display screen 10 are rotatably connected to one side of the detection frame 1, the locking trigger 8 can prevent the micrometer screw 3 from moving, and the digital display screen 10 can directly display measured data.
In this embodiment, the level gauge 9 is fixedly connected to one side of the detection frame 1, and the level gauge 9 can assist in vertically placing the device during detection, so as to prevent deflection from affecting detection accuracy.
In this embodiment, the heat insulation sleeve 11 and the bottom pad 18 are fixedly connected to one side of the detection frame 1, the heat insulation sleeve 11 prevents the metal from being slightly deformed due to expansion caused by heat and contraction caused by contact of external heat sources such as hands, and the bottom pad 18 is flat below, so that the device is convenient to vertically place.
In this embodiment: the auxiliary backing plate 12 can be installed to carry out auxiliary measurement, the thickness of the auxiliary backing plate 12 is a fixed value, the surface is flat, two gears at the lowest part of the odd gears 2 can be horizontally placed, the thickness of the auxiliary backing plate 12 is subtracted from measured data to obtain the length M when the measurement is carried out, the stabilizing plates 14 can simultaneously move inwards, teeth at two sides of the clamping gears 2 are more stable when the measurement is carried out, and the number of teeth of the gears 2 can be easily known, so that the angle alpha degree is known, cos alpha= (M-L)/L can obtain a specific numerical value of a tooth top circle L;
the locating plate 4 can be used for horizontally arranging a metal plate, slipping can be prevented when the micrometer screw 3 contacts the gear 2, scales are arranged on one sides of the fixed sleeve 6 and the micro-cylinder 7, the micrometer screw 3 can be prevented from moving by rotating the micro-cylinder 7 to adjust the locking trigger 8 of the micrometer screw 3, the digital display screen 10 can directly display measured data, the level meter 9 can be used for assisting the device to be vertically arranged in detection, deflection is prevented from affecting detection precision, and the heat insulation sleeve 11 is used for preventing metal from being slightly deformed due to contact of external heat sources such as hands and the like.
Example 2:
the micrometer for measuring the top circle of gear teeth is modified on the basis of the embodiment 1, as shown in figures 1-5,
in this embodiment, one end of the anvil 5 is fixedly connected with a plug 16, the plug 16 can plug the notch of the anvil 5, normal measurement of other objects can be performed, one side of the anvil 5 is slidably connected with a sliding cover 17, and the sliding cover 17 can move upwards to fix the plug 16 and the auxiliary pad 12 to prevent movement.
In this embodiment, an anti-slip pad 15 is fixedly connected to one side of the stabilizing plate 14, and the anti-slip pad 15 may be made of rubber material, so as to further stabilize the gear 2.
In this embodiment: the plug plate 16 can plug the notch of the anvil 5, normal measurement of other objects can be carried out, and the sliding cover 17 can move upwards to fix the plug plate 16 and the auxiliary base plate 12 to prevent movement;
the anti-slip pad 15 may be made of rubber, and may further stabilize the gear 2.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. Micrometer for measuring gear tooth top circle, including detecting frame (1), its characterized in that: detection frame (1) one end fixedly connected with surveys hammering block (5), surveys hammering block (5) one end fixedly connected with auxiliary backing plate (12), and auxiliary backing plate (12) one end is rotated and is connected with double-end lead screw (13), and double-end lead screw (13) both ends transmission is connected with stabilizer plate (14), stabilizer plate (14) one end fixedly connected with gear (2).
2. A micrometer for measuring a top circle of gear teeth according to claim 1, wherein: and one end of the detection frame (1) is movably connected with a micrometer screw (3), one end of the micrometer screw (3) is fixedly connected with a positioning plate (4), and one end of the positioning plate (4) and one end of the auxiliary base plate (12) are fixedly connected with the gear (2).
3. A micrometer for measuring a top circle of gear teeth according to claim 2, wherein: one end of the detection frame (1) is fixedly connected with a fixed sleeve (6), and one end of the fixed sleeve (6) is fixedly connected with a micro-cylinder (7).
4. A micrometer for measuring a top circle of gear teeth according to claim 3, wherein: one side of the detection frame (1) is rotatably connected with a locking trigger (8) and a digital display screen (10).
5. A micrometer for measuring a top circle of gear teeth as defined in claim 4, wherein: one side of the detection frame (1) is fixedly connected with a level meter (9).
6. A micrometer for measuring a top circle of gear teeth as defined in claim 5, wherein: one side of the detection frame (1) is fixedly connected with a heat insulation sleeve (11) and a bottom pad (18).
7. A micrometer for measuring a top circle of gear teeth according to claim 1, wherein: one end of the detection frame (1) is fixedly connected with a plug plate (16), and one side of the anvil (5) is connected with a sliding cover (17) in a sliding manner.
8. The micrometer for measuring a top circle of gear teeth according to claim 7, wherein: one side of the stabilizing plate (14) is fixedly connected with an anti-slip pad (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320810659.8U CN219757130U (en) | 2023-04-13 | 2023-04-13 | Micrometer for measuring gear tooth top circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320810659.8U CN219757130U (en) | 2023-04-13 | 2023-04-13 | Micrometer for measuring gear tooth top circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219757130U true CN219757130U (en) | 2023-09-26 |
Family
ID=88077115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320810659.8U Active CN219757130U (en) | 2023-04-13 | 2023-04-13 | Micrometer for measuring gear tooth top circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219757130U (en) |
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2023
- 2023-04-13 CN CN202320810659.8U patent/CN219757130U/en active Active
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