CN109765132B - Bracket for measuring hardness of bevel gear tooth tops - Google Patents
Bracket for measuring hardness of bevel gear tooth tops Download PDFInfo
- Publication number
- CN109765132B CN109765132B CN201910180762.7A CN201910180762A CN109765132B CN 109765132 B CN109765132 B CN 109765132B CN 201910180762 A CN201910180762 A CN 201910180762A CN 109765132 B CN109765132 B CN 109765132B
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- bevel gear
- worm
- plate
- worm wheel
- base plate
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- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000007306 turnover Effects 0.000 claims description 6
- 238000007542 hardness measurement Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Gears, Cams (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a bracket for measuring the tooth top hardness of a bevel gear, which comprises a bevel plate, a flat base plate, a cover plate, a worm wheel and a worm, wherein the end face of the worm wheel is a plane, and the bevel plate is arranged on the end face of the worm wheel; the worm wheel is meshed with the worm to form a worm wheel and worm pair, and the worm drives the worm wheel to rotate; the flat base plate is arranged on the upper surface of the inclined flat plate, the bevel gear is placed on the flat base plate, the upper surface of the flat base plate is provided with a groove for containing a wheel shaft part of the bevel gear, the cover plate is positioned at the top of the bevel gear, the bevel gear is arranged on the inclined flat plate through clamping of the cover plate and the flat base plate, and then the bevel gear is arranged on the inclined flat plate through a compression screw. When the bevel gear is used, after the bevel gear is fixed, the tooth top surface of the bevel gear and the horizontal plane are kept parallel by adjusting the inclination angles of the bevel plate and the horizontal plane, so that the hardness of the tooth top is conveniently measured by a hardness tester. The invention can solve the problem of measuring the tooth top hardness of the bevel gear, and has simple structure, reasonable design and easy manufacture.
Description
Technical Field
The invention belongs to the field of part hardness detection, and particularly relates to a bracket for measuring the tooth top hardness of a bevel gear.
Background
Bevel gears are commonly used for realizing the transmission of motion and power between two intersecting shafts, and in order to detect the service life of the bevel gears, the tooth top hardness of the bevel gears is usually detected, but due to the conical surface structure, the common durometer accessory tool device cannot finish measurement. The patent application number 2013203830151, 1 month 1 day of 2014 discloses a tool for detecting the tooth top hardness of a disc-shaped locomotive driving gear, which is characterized in that a cuboid and a cylinder are adopted, a boss extending along the length direction of the cuboid is arranged on the upper surface of the cuboid, the cylinder is axially fixed on the boss, the detection surface of the driving gear can be parallel to the horizontal plane through the combined use of the two cushion blocks, and the vibration of the driving gear in the tooth top hardness detection process is prevented from affecting the accuracy of the detection result. However, there is no tool for hardness testing of the tooth tips of bevel gears.
Disclosure of Invention
1. Problems to be solved
Aiming at the problem that the tooth top hardness of the bevel gear in the prior art cannot be conveniently detected, the invention provides a bracket for measuring the tooth top hardness of the bevel gear.
2. Technical proposal
In order to solve the problems, the technical scheme adopted by the invention is as follows: a bracket for measuring the tooth top hardness of a bevel gear comprises an inclined flat plate, a flat base plate, a cover plate, a worm wheel and a worm; the end face of the worm wheel is a plane, and the inclined flat plate is arranged on the end face of the worm wheel; the worm wheel is meshed with the worm to form a worm wheel and worm pair, and the worm drives the worm wheel to rotate; the flat base plate is arranged on the upper surface of the inclined flat plate, the bevel gear is placed on the flat base plate, the upper surface of the flat base plate is provided with a groove for containing a wheel shaft part of the bevel gear, the cover plate is positioned at the top of the bevel gear, the bevel gear is arranged on the inclined flat plate through clamping of the cover plate and the flat base plate, and then the bevel gear is arranged on the inclined flat plate through a compression screw. When the bevel gear is used, after the bevel gear is fixed, the tooth top surface of the bevel gear and the horizontal plane are kept parallel by adjusting the inclination angles of the bevel plate and the horizontal plane, so that the hardness of the tooth top is conveniently measured by a hardness tester.
Further, the center of the groove of the flat pad plate is on the center line of the inclined plate. The center of the bevel gear can be ensured to be firmly fixed on the bevel plate on the central line of the bevel plate, and the measurement data is more accurate.
Further, the tooth top of the bevel gear is positioned right above the hinge position of the worm gear. Likewise, such a design is also intended to make the measurement data more accurate.
Further, a plurality of threaded holes are formed in the central line of the inclined flat plate. The first threaded hole is arranged to meet the fixing requirements of bevel gears with different sizes; secondly, the position of the bevel gear can be adjusted to enable the measured tooth top of the bevel gear to be positioned right above the joint position of the worm and the worm wheel, so that the accuracy of measured data is ensured.
Further, the worm gear further comprises a turning pin and a turning support, wherein the turning pin is inserted into a worm gear hole of the worm gear, and the turning pin is rotatably installed on the turning support.
Further, the turnover support comprises a bracket bottom plate, and the turnover support is installed on the bracket bottom plate.
Further, the device also comprises a worm support, wherein the worm is mounted on the bracket bottom plate through the worm support. After the bevel gear is assembled and the tilt angle is adjusted, the entire device on the bracket base plate is put on a large durometer platform together, fixed by C-shaped pliers, and then measured by a durometer.
Further, the worm and gear pair is a triangular screw pair or a trapezoidal screw pair.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention can solve the problem that the tooth top hardness of the bevel gear cannot be detected in the prior art;
(2) The invention has simple structure, reasonable design and easy manufacture.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention using C-clamp fixation;
FIG. 3 is a top view of a schematic structural view of the present invention;
fig. 4 is an enlarged view of a portion of the worm and worm gear fit of the present invention.
In the figure: 1: a bevel gear; 2: a flat backing plate; 3: a bevel plate; 4: a cover plate; 5: a compression screw; 6: a durometer large platform; 7: a bracket base plate; 8: overturning and supporting; 9. 11: a coupling screw; 10: a worm support; 12: a worm; 13: a worm wheel; 14: a turning pin; 15: c-shaped pliers; 16: a wheel shaft portion; 17-threaded holes.
Detailed Description
The invention is further described below in connection with specific embodiments.
As shown in fig. 1, 2, 3 and 4, the invention provides a bracket for measuring the tooth top hardness of a bevel gear, which is used for fixing the bevel gear so as to measure the tooth top hardness of the gear, and comprises a flat base plate 2, a bevel plate 3, a cover plate 4, a compression screw 5, a turning support 8, a worm 12 and a worm wheel 13, wherein the end surface of the worm wheel 13 is a plane, two side surfaces of the bevel plate 3 are parallel to the end surface of the worm wheel 13, and the connection between the bevel plate and the end surface of the worm wheel is realized by welding the side surfaces of the bevel plate 3 and the end surface of the worm wheel 13 together; the upper surface of the flat base plate 2 is provided with a groove for accommodating the wheel shaft part 16 of the bevel gear 1, so that when the bevel gear is placed on the flat base plate 2, the bevel gear 1 is fully contacted with the flat base plate 2, the flat base plate is more stable and convenient to measure, the flat base plate is matched with the cover plate 4, the bevel gear 1 is fixed on the bevel plate 3 through the compression screw 5, the central line of the bevel plate 3 is provided with a plurality of threaded holes 17, and the compression screw 5 is screwed in the threaded holes so as to adjust the position according to the size of the bevel gear 1, and the tooth top of the bevel gear 1 is positioned right above the joint position of the worm 12 and the worm wheel 13.
The worm wheel 13 has a worm wheel hole into which a turning pin 14 is inserted, and the turning support 8 is mounted on the bracket base plate 7 by a coupling screw 9 (not shown in the figure, and located at the back of the coupling screw 11 in fig. 2), and as can be seen from the figure, two turning supports are provided in total, and both ends of the turning pin 14 are rotatably mounted on the two turning supports, respectively. The worm 12 is rotatably mounted on a worm support 10, the worm support 10 being mounted on the carrier base plate 7 by means of coupling screws 11. The worm 12 is meshed with the worm wheel 13 to form a worm wheel and worm pair, and the worm wheel 13 is driven to rotate by rotating the worm 12. The worm 12 of the present embodiment is manually operated to rotate, and may be driven by a driving device such as a motor.
The flip support 8 and the flip pin 14 are in clearance fit such that the flip pin 14 can rotate under the support of the flip support 8, although the clearance fit herein is merely illustrative of one manner in which the flip support 8 and the flip pin 14 cooperate with each other, and any manner in which rotation of the flip pin 14 relative to the flip support 8 can be accomplished is within the scope of the present invention. The worm wheel hole of the worm wheel 13 is in interference fit with the turning pin 14, when the worm wheel 13 rotates, the turning pin 14 rotates together with the worm wheel 13, and likewise, the interference fit is just one fit mode, and the rotation of the worm wheel 13 can be realized in other modes.
As shown in fig. 2, when in use, the inclination angle of the bevel flat plate 3 and the horizontal plane is adjusted by manually rotating the worm 12 to be complementary with the tip angle of the bevel gear 1, so that the tooth top surface of the bevel gear 1 is ensured to be in a horizontal position, and the bevel flat plate can be checked by means of an angle gauge. Placing the bevel gear 1 and the flat base plate 2 on the inclined flat plate 3, ensuring that the center of the bevel gear 1 is on the center line of the inclined flat plate 3, and the measuring tooth tops of the bevel gear 1 are positioned right above the joint position of the worm 12 and the worm wheel 13, and screwing the compression screw 5 on the upper cover plate 4; the whole bracket is moved to a large hardness tester platform 6, is fixed by a C-shaped clamp 15 after being aligned, and is matched with a hardness tester to measure the tooth top of the bevel gear 1.
In the specific implementation, the worm and gear pair can be a triangular thread pair or a trapezoidal thread pair.
The inclination angle of the inclined plate 3 with respect to the horizontal plane may be corrected by installing an angle encoder at the position where the worm 12 and the worm wheel 13 meet, or by installing an inclination sensor at the back of the inclined plate 3.
The flat base plate 2 and the cover plate 4 are made of hard metal such as iron, stainless steel and the like.
The foregoing has been described schematically the invention and embodiments thereof, which are not limiting, but are capable of other specific forms of implementing the invention without departing from its spirit or essential characteristics. The drawings are also merely illustrative of one embodiment of the invention, the actual construction is not limited thereto, and any reference signs in the claims shall not be construed as limiting the scope of the claims concerned. Therefore, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively designed without departing from the gist of the present invention, and all the structural manners and the embodiment are considered to be within the protection scope of the present patent.
Claims (5)
1. The bracket for measuring the hardness of the bevel gear tooth tops is characterized in that: comprises an inclined flat plate, a flat base plate, a cover plate, a worm wheel and a worm; the end face of the worm wheel is a plane, and the inclined flat plate is arranged on the end face of the worm wheel; the worm wheel is meshed with the worm to form a worm wheel and worm pair, and the worm drives the worm wheel to rotate; the flat base plate is arranged on the upper surface of the inclined flat plate, the bevel gear is placed on the flat base plate, the upper surface of the flat base plate is provided with a groove for accommodating a wheel shaft part of the bevel gear, the cover plate is positioned on the top of the bevel gear, and the bevel gear is arranged on the inclined flat plate through the clamping of the cover plate and the flat base plate; the turnover device comprises a worm wheel, a worm wheel hole, a turnover pin, a turnover support, a bracket bottom plate and a worm support, wherein the turnover pin is inserted into the worm wheel hole of the worm wheel; the center of the groove of the flat base plate is positioned on the center line of the inclined plate; the tooth tops of the bevel gears are positioned right above the hinge positions of the worm gears.
2. The bevel gear tooth top hardness measurement bracket according to claim 1, wherein: and a plurality of threaded holes are formed in the central line of the inclined flat plate.
3. The bevel gear tooth top hardness measurement bracket according to claim 2, wherein: the worm and gear pair is a triangular screw pair or a trapezoidal screw pair.
4. The bevel gear tooth top hardness measurement bracket according to claim 1, wherein: the worm and gear pair is a triangular screw pair or a trapezoidal screw pair.
5. A bevel gear tooth top hardness measurement bracket according to any one of claims 1-3, wherein: the cover plate and the flat base plate clamp the bevel gear to form a whole, and the whole is arranged on the bevel plate through the compression screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910180762.7A CN109765132B (en) | 2019-03-11 | 2019-03-11 | Bracket for measuring hardness of bevel gear tooth tops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910180762.7A CN109765132B (en) | 2019-03-11 | 2019-03-11 | Bracket for measuring hardness of bevel gear tooth tops |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109765132A CN109765132A (en) | 2019-05-17 |
| CN109765132B true CN109765132B (en) | 2023-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910180762.7A Active CN109765132B (en) | 2019-03-11 | 2019-03-11 | Bracket for measuring hardness of bevel gear tooth tops |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109765132B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2278145Y (en) * | 1997-03-21 | 1998-04-08 | 中国科学院空间科学与应用研究中心 | All-position rotary target stand for working-piece installation and adjusting |
| CN203376224U (en) * | 2013-07-01 | 2014-01-01 | 南车戚墅堰机车车辆工艺研究所有限公司 | Tooth top hardness detecting fixture for discal locomotive driving gears |
| CN106501078A (en) * | 2016-12-07 | 2017-03-15 | 贵州黎阳航空动力有限公司 | A kind of auxiliary device of gear teeth tips hardness measurement |
| CN108758201A (en) * | 2018-05-30 | 2018-11-06 | 郑州骄郎网络科技有限公司 | A kind of notebook computer bracket |
| CN209707290U (en) * | 2019-03-11 | 2019-11-29 | 江苏省机械研究设计院有限责任公司 | Bevel gear tooth top hardness measurement bracket |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050172744A1 (en) * | 2003-08-18 | 2005-08-11 | Nsk Ltd. | Reduction gear and method and apparatus for manufacturing the reduction gear concerned, and electric power steering system with the reduction gear concerned |
-
2019
- 2019-03-11 CN CN201910180762.7A patent/CN109765132B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2278145Y (en) * | 1997-03-21 | 1998-04-08 | 中国科学院空间科学与应用研究中心 | All-position rotary target stand for working-piece installation and adjusting |
| CN203376224U (en) * | 2013-07-01 | 2014-01-01 | 南车戚墅堰机车车辆工艺研究所有限公司 | Tooth top hardness detecting fixture for discal locomotive driving gears |
| CN106501078A (en) * | 2016-12-07 | 2017-03-15 | 贵州黎阳航空动力有限公司 | A kind of auxiliary device of gear teeth tips hardness measurement |
| CN108758201A (en) * | 2018-05-30 | 2018-11-06 | 郑州骄郎网络科技有限公司 | A kind of notebook computer bracket |
| CN209707290U (en) * | 2019-03-11 | 2019-11-29 | 江苏省机械研究设计院有限责任公司 | Bevel gear tooth top hardness measurement bracket |
Non-Patent Citations (1)
| Title |
|---|
| 利用HR-150型硬度计测试汽车行星齿轮及圆锥从动齿轮的表面硬度;陈刚治;张民生;王淑琴;;理化检验.物理分册(第02期);27+52 * |
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| Publication number | Publication date |
|---|---|
| CN109765132A (en) | 2019-05-17 |
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