CN109556557B - Arc bevel gear transmission side gap detection mechanism and measurement method thereof - Google Patents
Arc bevel gear transmission side gap detection mechanism and measurement method thereof Download PDFInfo
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- CN109556557B CN109556557B CN201811639278.8A CN201811639278A CN109556557B CN 109556557 B CN109556557 B CN 109556557B CN 201811639278 A CN201811639278 A CN 201811639278A CN 109556557 B CN109556557 B CN 109556557B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 77
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000000691 measurement method Methods 0.000 title abstract description 6
- 238000012360 testing method Methods 0.000 claims abstract description 67
- 238000006073 displacement reaction Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000013072 incoming material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a circular arc bevel gear transmission side gap detection mechanism and a measurement method thereof, wherein the circular arc bevel gear transmission side gap detection mechanism comprises a workbench, a test base, a rope pull type displacement sensor, a first test tool and a second test tool, the test base is arranged on the workbench, the rope pull type displacement sensor is arranged below the workbench, a pull rope of the rope pull type displacement sensor is in transmission connection with the first test tool, and the first test tool and the second test tool are arranged on the test base. The beneficial effects of the invention are as follows: the optimal gear backlash is obtained through measurement and comparison, and each pair of gears can operate in an optimal state through reasonable assembly, so that the assembly effect is greatly improved, and the service life of the gears is prolonged.
Description
Technical Field
The invention relates to the field of gear assembly detection and rapid gear debugging and assembly, in particular to a circular arc bevel gear transmission backlash detection mechanism and a measurement method thereof.
Background
The circular arc bevel gear has the advantages of high tooth surface strength, high transmission capacity, low noise, high precision and the like, and is widely used in actual production because the tooth trace of the circular arc bevel gear is curved and has a spiral angle. At present, the precise circular arc bevel gear cannot be effectively and rapidly detected, specific data of gear precision cannot be quantized, in each batch of gears, the sizes and tolerance precision of all gears are differentiated, the size and tolerance consistency cannot be guaranteed, in the actual production and assembly process, the gears are required to be matched for use to achieve smooth rotation transmission, and the transmission process has no impurity noise. Because specific theoretical parameters of the gear cannot be mastered, rapid assembly cannot be performed and an ideal assembly effect can be obtained, and only the mounting and adjustment of the gear are performed through experience, so that the production efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing the circular arc bevel gear transmission backlash detection mechanism capable of obtaining the optimal gear backlash through data comparison and analysis, improving the assembly effect and prolonging the service life of gears and the measurement method thereof.
The technical scheme for solving the technical problems is as follows: the utility model provides a circular arc bevel gear transmission backlash detection mechanism, includes workstation, test base, rope pull formula displacement sensor, first test fixture and second test fixture, be provided with on the workstation test base, the below of workstation is provided with rope pull formula displacement sensor, just rope pull formula displacement sensor's stay cord with first test fixture transmission is connected, be provided with on the test base first test fixture with the second test fixture.
A method for measuring a transmission backlash of a circular arc bevel gear by using the transmission backlash detection mechanism of a circular arc bevel gear according to any one of claims 3 to 6, comprising the following steps:
the whole machine and the tooth surfaces of the gears are cleaned by using pneumatic cleaning equipment;
resetting the rope-pulling type displacement sensor to zero;
fixing a second circular arc bevel gear;
the driving rotating wheel is manually rotated to drive the first circular arc bevel gear to rotate, and the angular displacement delta L, delta L and J displayed on the rope pulling type displacement sensor are recorded n ；
In accordance with the principle of the present invention,deriving an angular backlash of the gear, wherein: alpha n The bevel gear method phase pressure angle is generally a manufacturer design value; delta is the taper angle of the bevel gear; z is Z 1 、Z 2 Is the number of teeth of the driving wheel and the driven wheel.
The beneficial effects of the invention are as follows: the data obtained through measurement guide the on-site gear assembly, the production efficiency is improved, the measured gears are subjected to theoretical analysis, the actual value of the backlash of the paired gears is obtained, the actual value is compared with the theoretical value, and the optimal backlash of the paired gears is found. Through reasonable assembly, each pair of gears can operate in the optimal state, so that the assembly effect can be greatly improved, and the service life of the gears can be prolonged. In the quality control stage, the detection method can be used for measuring the theoretical size of the incoming material relative to the gear so as to judge whether the incoming material meets the assembly requirement.
On the basis of the technical scheme, the invention can be improved as follows.
Further, first test fixture includes initiative transmission shaft, initiative bearing frame, initiative swiveling wheel, first adjusting nut, first circular arc bevel gear, the initiative bearing frame is fixed on the test base, fixed being equipped with first bearing on the initiative bearing frame, the initiative transmission shaft sets up in the first bearing, be provided with on the initiative bearing frame first adjusting nut, the initiative transmission shaft is close to one end cover of sensor is equipped with the initiative swiveling wheel, rope pull formula displacement sensor's stay cord with the initiative swiveling wheel is connected, the other pot head of initiative transmission shaft is equipped with first circular arc bevel gear.
The beneficial effects of adopting the further scheme are as follows: the driving transmission shaft drives the first circular arc bevel gear to rotate, and the driving transmission shaft is adjusted to axially move through the first adjusting nut so as to axially finely adjust the first circular arc bevel gear.
Further, the second test fixture includes driven transmission shaft, driven bearing frame, second adjusting nut, second circular arc bevel gear, driven shaft bearing frame is fixed to be established on the test base, be equipped with the second bearing on the driven bearing frame, driven transmission shaft sets up in the second bearing, be provided with on the driven bearing frame the second adjusting nut, driven transmission shaft is close to the one end cover of initiative bearing frame is equipped with second circular arc bevel gear, second circular arc bevel gear with first circular arc bevel gear meshing is connected.
The beneficial effects of adopting the further scheme are as follows: the driven transmission shaft drives the second circular arc bevel gear to rotate, and the driven transmission shaft is adjusted to axially move through the second adjusting nut so as to axially finely adjust the second circular arc bevel gear.
Further, the driving transmission shaft is fixed in the first bearing through a driving bearing end cover, and the driven transmission shaft is fixed in the second bearing through a driven bearing end cover.
The beneficial effects of adopting the further scheme are as follows: fix driving transmission shaft and driven transmission shaft, avoid driving transmission shaft and driven transmission shaft to rock.
Further, the driving transmission shaft and the driven transmission shaft are arranged at 90 degrees.
The beneficial effects of adopting the further scheme are as follows: the driving transmission shaft and the driven transmission shaft are arranged at 90 degrees, and the circular arc bevel gears are mutually matched, so that the test reference is conveniently determined.
Further, the driving bearing seat and the driven bearing seat are fixed on the test base through bolts.
The beneficial effects of adopting the further scheme are as follows: and fixing the first test fixture and the second test fixture on the test base.
Drawings
FIG. 1 is a general assembly view of the present invention;
FIG. 2 is a diagram of the gear assembly structure of the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
1. the device comprises a workbench, 2, a test base, 3, a rope pulling type displacement sensor, 4, a first test tool, 5, a second test tool, 6, a driving transmission shaft, 7, a driving bearing seat, 8, a driving rotating wheel, 9, a driving bearing end cover, 10, a first bearing, 11, a first adjusting nut, 12, a first circular arc bevel gear, 13, a driven transmission shaft, 14, a driven bearing seat, 15, a driven bearing end cover, 16, a second adjusting nut, 17, a second circular arc bevel gear, 18 and a second bearing.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1:
as shown in fig. 1 and 2, in this embodiment, an arc bevel gear transmission backlash detection mechanism and a measurement method thereof include a workbench 1, a test base 2, a transmission rope pull type displacement sensor 3, a first test tool 4 and a second test tool 5, the test base 2 is disposed on the workbench 1, the test base 2 is formed by 3 mutually perpendicular flat plates, and the flat plates on the bottom surface are fixed on the workbench through four bolts. The lower part of the workbench 1 is provided with the rope pulling type displacement sensor 3, and the pull rope of the rope pulling type displacement sensor 3 is in transmission connection with the first test tool 4, and the rope pulling type displacement sensor 3 has the advantages of compact structure, long measurement stroke, small size of installation space and high measurement precision. The first test fixture 4 and the second test fixture 5 are respectively fixed on two other mutually perpendicular flat plates perpendicular to the bottom surface flat plate on the test base 2, and the first test fixture 4 and the second test fixture 5 are 90 degrees.
Example 2:
as shown in fig. 1 and fig. 2, the difference between this embodiment and embodiment 1 is that the first test fixture includes a driving shaft 6, a driving bearing seat 7, a driving rotary wheel 8, a first adjusting nut 11, and a first circular bevel gear 12, the driving bearing seat 7 is fixed on the test base 2, two first bearings 10 are fixedly arranged on the driving bearing seat 7, the driving shaft 6 is disposed in the two first bearings 10, the driving bearing seat 7 is provided with the first adjusting nut 11, one end of the driving shaft 6 close to the sensor 3 is sleeved with the driving rotary wheel 8, the pull rope of the rope pull type displacement sensor 3 is connected with the driving rotary wheel 8, the other end of the driving shaft 6 is sleeved with the first circular bevel gear 12, the first adjusting nut 11 fine-adjusts the axial position of the driving shaft 6 by rotating, the driving rotary wheel 8 is driven to rotate by rotation of the driving shaft 6, so as to pull the rope pull type displacement sensor 3, and the first circular bevel gear 12 is measured.
The second test fixture comprises a driven transmission shaft 13, a driven bearing seat 14, a second adjusting nut 16 and a second circular-arc bevel gear 17, wherein the driven bearing seat 14 is fixedly arranged on the test base 2, a second bearing 18 is arranged on the driven bearing seat 14, the driven transmission shaft 13 is arranged in the second bearing 18, the second adjusting nut 16 is arranged on the driven bearing seat 14, one end, close to the driving bearing seat 7, of the driven transmission shaft 13 is sleeved with the second circular-arc bevel gear 17, and the second circular-arc bevel gear 17 is in meshing connection with the first circular-arc bevel gear 12. The second adjusting nut 16 adjusts the axial position of the driven transmission shaft 13 by rotating and fine-tuning, so as to realize the axial fine-tuning of the second circular arc bevel gear 17.
Other than this, the rest of the structure of this embodiment is the same as that of embodiment 1.
Example 3:
as shown in fig. 1 and 2, this embodiment is different from embodiment 2 in that the driving transmission shaft 6 is fixed in the first bearing 10 through the driving bearing end cap 9, and the driven transmission shaft 13 is fixed in the second bearing 18 through the driven bearing end cap 15, so as to avoid shaking of the driving transmission shaft 6 and the driven transmission shaft 13. The driving transmission shaft 6 and the driven transmission shaft 13 are arranged at 90 degrees, and the circular arc bevel gears are matched with each other, so that the test reference can be conveniently determined. The driving bearing seat 7 and the driven bearing seat 14 are fixed on the test base 2 through bolts.
Other than this, the rest of the structure of this embodiment is the same as that of embodiment 2.
Example 4:
as shown in fig. 1 and 2, this embodiment is different from embodiment 3 in that the first circular bevel gear 12 and the second circular bevel gear 17 are assembled on the test bench 1, the first circular bevel gear 12 and the second circular bevel gear 17 are respectively fixed on the driving transmission shaft 6 and the driven transmission shaft 13, the first adjusting nut 11 and the second adjusting nut 16 are adjusted, the axial backlash of gear engagement is adjusted, the alignment of the top circles of the two gears is ensured, and the first circular bevel gear 12 and the second circular bevel gear 17 are effectively engaged. The second circular arc bevel gear 17 is fixed, the test end of the rope pull type sensor 3 on the driving transmission shaft 6 is tangentially fixed, the driving rotary wheel 8 is rotated to enable the tooth surfaces of the first circular arc bevel gear 12 and the second circular arc bevel gear 17 to be completely attached, then the driving rotary wheel 8 is reversely rotated, because the second circular arc bevel gear 17 is fixed, a side gap exists between gear matching,at this time, the first circular bevel gear 12 will generate angular displacement, the rope-pull sensor 3 will be driven to output displacement signals, and the displacement signals are converted by a conversion formulaThe axial backlash of the gear can be derived, wherein: alpha n The bevel gear method phase pressure angle is generally a manufacturer design value; delta is the taper angle of the bevel gear; z is Z 1 、Z 2 Is the number of teeth of the driving wheel and the driven wheel. According to the axial backlash J of the gears x Selecting a spacer of the same thickness as the value, thereby adjusting the axial mounting position of the gear, and obtaining the optimal state of gear set matching. The sensor 3 has a data output function, realizes data real-time acquisition, inputs the acquired data into a computer, performs statistics and analysis on batch gear backlash through statistics and analysis on the data by the computer, is beneficial to quality judgment of incoming materials of a quality inspection department and guides an assembly department to carry out assembly analysis on the batch of materials, and can rapidly detect the quality of the materials and ensure consistency of mass production quality of products.
Other than this, the rest of the structure of this embodiment is the same as that of embodiment 3.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. A circular arc bevel gear transmission backlash detection mechanism is characterized in that: the automatic testing device comprises a workbench (1), a testing base (2), a rope pulling type displacement sensor (3), a first testing tool (4) and a second testing tool (5), wherein the testing base (2) is arranged on the workbench (1), the rope pulling type displacement sensor (3) is arranged below the workbench (1), a pull rope of the rope pulling type displacement sensor (3) is in transmission connection with the first testing tool (4), the first testing tool (4) and the second testing tool (5) are arranged on the testing base (2), the first testing tool (4) and the second testing tool (5) are respectively fixed on two other mutually perpendicular flat plates perpendicular to the bottom surface flat plate on the testing base (2), and the first testing tool (4) and the second testing tool (5) are 90 degrees;
the first test fixture (4) comprises a driving transmission shaft (6), a driving bearing seat (7), a driving rotating wheel (8), a first adjusting nut (11) and a first circular arc bevel gear (12), wherein the driving transmission shaft (6) is arranged on the driving bearing seat (7), one end, close to the sensor (3), of the driving transmission shaft (6) is sleeved with the driving rotating wheel (8), a pull rope of the rope-pull type displacement sensor (3) is connected with the driving rotating wheel (8), the other end of the driving transmission shaft (6) is sleeved with the first circular arc bevel gear (12), and the driving bearing seat (7) is provided with the first adjusting nut (11);
the second test fixture (5) comprises a driven transmission shaft (13), a driven bearing seat (14), a second adjusting nut (16) and a second circular arc bevel gear (17), wherein the driven transmission shaft (13) is arranged on the driven bearing seat (14), the second adjusting nut (16) is arranged on the driven bearing seat (14), one end, close to the driving bearing seat (7), of the driven transmission shaft (13) is sleeved with the second circular arc bevel gear (17), and the second circular arc bevel gear (17) is in meshing connection with the first circular arc bevel gear (12).
2. The circular arc bevel gear transmission backlash detection mechanism according to claim 1, wherein: the novel automatic test device is characterized in that the driving bearing seat (7) is fixed on the test base (2), a first bearing (10) is fixedly arranged on the driving bearing seat (7), the driving transmission shaft (6) is arranged in the first bearing (10), one end of the driving transmission shaft (6) close to the sensor (3) is sleeved with the driving rotary wheel (8), a pull rope of the rope-pull type displacement sensor (3) is connected with the driving rotary wheel (8), and the other end of the driving transmission shaft (6) is sleeved with the first circular arc bevel gear (12).
3. The circular arc bevel gear transmission backlash detection mechanism according to claim 2, wherein: the driven shaft bearing seat (14) is fixedly arranged on the test base (2), a second bearing (18) is arranged on the driven shaft bearing seat (14), and the driven transmission shaft (13) is arranged in the second bearing (18).
4. A circular arc bevel gear drive backlash detection mechanism as claimed in claim 3, wherein: the driving transmission shaft (6) is fixed in the first bearing (10) through a driving bearing end cover (9), and the driven transmission shaft (13) is fixed in the second bearing (18) through a driven bearing end cover (15).
5. The circular arc bevel gear transmission backlash detection mechanism according to claim 3 or 4, wherein: the driving transmission shaft (6) and the driven transmission shaft (13) are arranged at 90 degrees.
6. The circular arc bevel gear transmission backlash detection mechanism according to claim 3 or 4, wherein: the driving bearing seat (7) and the driven bearing seat (14) are fixed on the test base (2) through bolts.
7. A measuring method of a circular arc bevel gear transmission side clearance detection mechanism is characterized by comprising the following steps of: the arc bevel gear transmission backlash detection by using the arc bevel gear transmission backlash detection mechanism according to any one of claims 3 to 6, comprising the steps of:
the whole machine and the tooth surfaces of the gears are cleaned by using pneumatic cleaning equipment;
resetting the rope-pulling type displacement sensor (3) to zero;
fixing a second circular arc bevel gear (17);
when the driving rotary wheel (8) is rotated to the first circular bevel gear (12) and the second circular bevel gear(17) After the tooth surfaces of the rope are completely attached, the driving rotary wheel (8) is reversely rotated to drive the first circular bevel gear (12) to rotate, and the angular displacement displayed on the rope pull type displacement sensor (3) is recorded；
In accordance with the principle of the present invention,，/>（/>) And obtaining the axial backlash of the gear, wherein: />The bevel gear method phase pressure angle is generally a manufacturer design value; />Taper angle of bevel gear>、/>The number of teeth of the driving wheel and the driven wheel of the gear is the number of teeth;
and selecting a gasket with the thickness equal to the value according to the size of the axial side gap of the gear, and adjusting the axial installation position of the gear to obtain the optimal state of gear set matching.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811639278.8A CN109556557B (en) | 2018-12-29 | 2018-12-29 | Arc bevel gear transmission side gap detection mechanism and measurement method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811639278.8A CN109556557B (en) | 2018-12-29 | 2018-12-29 | Arc bevel gear transmission side gap detection mechanism and measurement method thereof |
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| CN109556557A CN109556557A (en) | 2019-04-02 |
| CN109556557B true CN109556557B (en) | 2024-03-29 |
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| CN112697022B (en) * | 2020-12-11 | 2022-05-24 | 伯朗特机器人股份有限公司 | Small module gear backlash detection method |
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| CN101758300A (en) * | 2009-12-18 | 2010-06-30 | 天津第一机床总厂 | Device with same backlash for grinding points of numerical control spiral bevel gear lapping machine and control method thereof |
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| JP2015125052A (en) * | 2013-12-26 | 2015-07-06 | トヨタ自動車株式会社 | Dynamic characteristic measuring device of planetary gear mechanism and dynamic characteristic measuring method |
| CN106596099A (en) * | 2017-01-05 | 2017-04-26 | 毕勤自动化设备（上海）有限公司 | Bevel gear pairing measurement mechanism |
| CN206459638U (en) * | 2017-01-16 | 2017-09-01 | 深圳市泰元丰机电有限公司 | A kind of upper and lower axle axial gap detection machine |
| CN107117288A (en) * | 2017-05-18 | 2017-09-01 | 郝思阳 | A kind of twin shaft rotatable mechaninism based on driving cog ring structure |
| CN206944971U (en) * | 2017-06-23 | 2018-01-30 | 成都炬盛合科技有限公司 | A kind of overall checkout equipment for gear |
| CN209147967U (en) * | 2018-12-29 | 2019-07-23 | 重庆华数机器人有限公司 | A kind of circular-arc bevel gear transmission sideshake testing agency |
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2018
- 2018-12-29 CN CN201811639278.8A patent/CN109556557B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0089129A2 (en) * | 1982-03-12 | 1983-09-21 | Fanuc Ltd. | A power transmission mechanism with a backlash regulator for industrial robots |
| JPH11125518A (en) * | 1997-10-22 | 1999-05-11 | Mitsubishi Heavy Ind Ltd | Clearance measuring instrument |
| CN101758300A (en) * | 2009-12-18 | 2010-06-30 | 天津第一机床总厂 | Device with same backlash for grinding points of numerical control spiral bevel gear lapping machine and control method thereof |
| CN201974162U (en) * | 2010-12-21 | 2011-09-14 | 天津天海同步器有限公司 | Precision surveymeter for inner helical gear of automatic gear-box planetary line gear ring |
| CN203587087U (en) * | 2013-12-06 | 2014-05-07 | 安徽巨一自动化装备有限公司 | Tooth side gap detection mechanism |
| JP2015125052A (en) * | 2013-12-26 | 2015-07-06 | トヨタ自動車株式会社 | Dynamic characteristic measuring device of planetary gear mechanism and dynamic characteristic measuring method |
| CN106596099A (en) * | 2017-01-05 | 2017-04-26 | 毕勤自动化设备（上海）有限公司 | Bevel gear pairing measurement mechanism |
| CN206459638U (en) * | 2017-01-16 | 2017-09-01 | 深圳市泰元丰机电有限公司 | A kind of upper and lower axle axial gap detection machine |
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| CN209147967U (en) * | 2018-12-29 | 2019-07-23 | 重庆华数机器人有限公司 | A kind of circular-arc bevel gear transmission sideshake testing agency |
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