CN108871772B - Gear shifting angle measurement gauge for transmission assembly and testing method thereof - Google Patents
Gear shifting angle measurement gauge for transmission assembly and testing method thereof Download PDFInfo
- Publication number
- CN108871772B CN108871772B CN201810934926.6A CN201810934926A CN108871772B CN 108871772 B CN108871772 B CN 108871772B CN 201810934926 A CN201810934926 A CN 201810934926A CN 108871772 B CN108871772 B CN 108871772B
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- gear shifting
- transmission assembly
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 title claims abstract description 7
- 238000005259 measurement Methods 0.000 title abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 230000007935 neutral effect Effects 0.000 claims abstract description 32
- 238000010998 test method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a gear shifting angle measurement gauge of a transmission assembly and a testing method thereof, wherein the gauge comprises a telescopic clamp seat, a neutral gear position positioning block and a 3/4 gear detection angle positioning block; the neutral gear position positioning block and the 3/4 gear detection angle positioning block comprise a plurality of positioning pins; 3/4 keeps off detection angle locating piece two grooves are arranged on the upper part; the chuck seat is used for fixing the whole gauge on a gear shifting bracket of the transmission assembly, and the measuring end can be stretched left and right by controlling tightness through the fixing bolt; the neutral gear position correcting positioning block is arranged at the center of the gauge groove at the measuring end; when a neutral gear is engaged, an opening of a neutral gear position correcting positioning block is inserted into a cylindrical pin of a rocker arm of a transmission assembly, and a zero position of a detection tool is fixed by the fixing bolt; the 3/4-gear detection angle positioning block is also arranged at the center of the gauge groove. The invention enables a transmission factory to efficiently judge the correctness of the gear shifting angle of the rocker arm with high quality, avoids potential safety hazards caused by faults such as out-of-place gear shifting and the like, and ensures the quality of the whole vehicle.
Description
Technical Field
The invention relates to a gear shifting angle measuring gauge of a transmission assembly and a testing method thereof, and belongs to the technical field of machining.
Background
The transmission assembly is arranged in the whole vehicle, whether the rocker arm gear shifting angle of the transmission is too small to the connected gear shifting handle or not can cause the situation that the gear shifting handle is not in place, and the gear shifting situation exists, meanwhile, if the gear shifting angle is too large, the zipper can be short, and the gear shifting is not in place. If the whole vehicle runs on the road and is not engaged or the gear angle is negligent, the gear shifting hand feeling is affected, and the potential safety hazard of the running vehicle exists.
Disclosure of Invention
Aiming at the situation that the gear shifting angle possibly appears in an assembled transmission assembly does not meet the process requirement, so that the gear shifting hand feeling is poor or the gear shifting is not in place due to the fact that the ultra-poor gear shifting is serious, and the gear is not engaged.
In order to achieve the above object, the present invention is realized by the following technical scheme:
the invention relates to a gear shifting angle measurement gauge of a transmission assembly, which comprises a telescopic clamp seat, a neutral position correction positioning block and a 3/4 gear detection angle positioning block, wherein the clamp seat is provided with a clamp seat; the correcting position locating block comprises a plurality of locating pins, and the opening size of the correcting position locating block is the diameter size of the cylindrical pin; the 3/4-gear detection angle positioning block also comprises a plurality of positioning pins, and two grooves are formed in the 3/4-gear detection angle positioning block; the chuck seat is used for fixing the whole gauge on a gear shifting bracket of the transmission assembly, a measuring end used for judging a gear shifting angle is arranged on the chuck seat, and the measuring end can be stretched left and right by controlling tightness through a fixing bolt; when the zero position is calibrated, the calibration position locating block is arranged at the center of the gauge groove at the measuring end; when the gear is in a neutral position, an opening of the gear correcting position locating block is inserted into a cylindrical pin of a rocker arm of the transmission assembly, and a zero position of the checking fixture is fixed by the fixing bolt; the 3/4 gear detection angle positioning block is also arranged at the center of the gauge groove, when the transmission assembly is in gear, if the cylindrical pin of the rocker arm contacts the grooved end face of the 3/4 gear detection angle positioning block, the gear shifting angle is out of tolerance, and if the cylindrical pin of the rocker arm is in the groove of the 3/4 gear detection angle positioning block, the gear shifting angle is qualified.
The opening size of the 3/4 gear detection angle positioning block is the gear shifting angle required by the drawing of the transmission assembly.
The gear shifting angle of the cylindrical pin is required to be 17.5 degrees+/-1.5 degrees in factory.
The diameter of the opening of the position locating block is 8+/-0.02 mm.
The diameter of the cylindrical pin is 8mm.
The gear shifting angle of the rocker arm is 17.5 degrees plus or minus 1.5 degrees, and the gear shifting angle is converted into the size tolerance and the position of the left groove and the right groove of the 3/4 gear detection angle positioning block through the triangle Pythagorean theorem.
The testing method of the gauge comprises the following steps:
(a) Fixing the telescopic chuck base in a gear shifting bracket of the transmission assembly;
(b) The gear shifting position locating block is arranged at the center of a gauge groove of the measuring end, a grooved part of the gear shifting position locating block is arranged in a cylindrical pin of the rocker arm, the measuring end of the clamp seat is telescopic to enable the rocker arm of the transmission assembly to be in a neutral unstressed position, and at the moment, the fixing bolt is screwed down again to enable the measuring end of the clamp seat to be in a neutral position;
(c) The neutral position locating block is disassembled, and meanwhile, leftward force is applied to the transmission assembly, so that the transmission assembly is hung into a third gear;
(d) A 3/4 gear detection angle positioning block is arranged at the center of the gauge groove; judging whether the cylindrical pin is contacted with the left end and the right end of a left slot of the 3/4 gear detection angle positioning block, if the cylindrical pin is contacted with the 3/4 gear detection angle positioning block, indicating that the gear shifting angle is out of tolerance, and if the cylindrical pin is in the left slot, indicating that the gear shifting angle is qualified;
(e) And (c) repeating the step (c) and the step (d), shifting to the right to enable the rocker arm to be shifted into the fourth gear, and detecting whether the gear shifting angle of the fourth gear is qualified.
The invention avoids direct measurement of the gear shifting angle, has large measurement difficulty and inaccurate measurement, and through the change of thinking of the angle required size, the position of the rocker arm cylindrical pin after gear shifting is observed to see whether the rocker arm cylindrical pin contacts with a 3/4 gear detection angle positioning block or not, and skillfully converts the detection of the through-stop principle, thereby enabling a transmission factory to judge the correctness of the gear shifting angle of the rocker arm in a high-efficiency and high-quality manner. The potential safety hazard caused by faults such as out-of-gear engagement and the like is avoided, and the quality of the whole vehicle is ensured.
Drawings
FIG. 1 is a schematic diagram of a gear shift angle measurement gauge of a transmission assembly according to the present invention;
FIG. 2 is a schematic view of a chuck base;
FIG. 3 is a schematic view of a 3/4-speed detection angle positioning block;
fig. 4 is a schematic view of a calibration position locating block.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
The invention aims to help a transmission factory to efficiently judge equipment of which the gear shifting angle of a transmission assembly does not meet the process requirement by a set of skillfully and simply measuring and detecting tools. According to the invention, the angle requirement is converted into 3/4 gear, the size and the position of the grooving design of the angle positioning block are detected, and the correctness of the gear shifting angle is rapidly judged by judging whether interference exists.
Referring to fig. 1 to 4, a gear shift angle measuring gauge for a transmission assembly operating mechanism of the present invention includes a telescopically fixed collet holder 3, a fixing bolt 8, a measuring end 7 of the collet holder, a 3/4 shift detection angle positioning block 4, and a neutral position correcting positioning block.
Wherein, scalable fixed chuck seat 3: the device is used for fixing the whole gauge on the transmission bracket.
Fixing bolt 8: the measuring end is used for fixing the clamp head seat and is used for fixing the neutral position.
Measuring end 7 of clip seat: and the gear shifting angle is judged by matching with a 3/4 gear detection angle positioning block 4 and a neutral position correcting position positioning block.
Correcting the position locating block: the positioning block is used first to make the assembly in neutral position, i.e. the origin of measurement, and the checking fixture is in ready state after fixing the fixing screw 8. Measurement decisions can be made by shifting gears.
3/4 grade detection angle positioning block 4: the method is used for judging whether the gear shifting angles of the three gears and the four gears are correct when the transmission is respectively in the three gears or the four gears. Interference is out of tolerance, and no interference is in a qualified range.
The clamp seat 3 is fixed in a gear shifting rocker arm of the transmission assembly, and the grooving size of the positioning block at the neutral position is designed to ensure that the grooving of the positioning block and the cylindrical pin of the rocker arm are in close fit and state.
The neutral position correcting positioning block is arranged at the center of the gauge groove 6 of the measuring end 7, and the position is the center of the gauge groove and is used for adjusting the position of the measuring end 7 so that the transmission assembly is in the neutral position. This is the original position of the measurement. After the fixing screw 8 is fixed, the position of the empty position and the position of the origin of angle measurement corresponding to the rocker arm 1 are the center position of the slot at the measuring end of the positioning seat.
By installing the 3/4 gear detection angle positioning block 4, the transmission assembly is hung into different gears, so as to judge whether the cylindrical pin 1 interferes with the 3/4 gear detection angle positioning block 4, and if so, the angle is out of tolerance.
The test method of the gauge comprises the following steps:
(a) Fixing the telescopic chuck base 3 in a gear shifting bracket 2 of the transmission assembly;
(b) The position locating block of the neutral position is arranged at the center of a gauge groove 6 of a measuring end 7, a grooving part of the position locating block of the neutral position is arranged in a cylindrical pin 1 of a rocker arm, the rocker arm of a speed changer assembly is positioned at a neutral unstressed position by stretching the measuring end 7 of a chuck base, and at the moment, a fixing bolt 8 is screwed down again to position the measuring end 7 of the chuck base at the neutral position;
(c) The neutral position locating block is disassembled, and meanwhile, leftward force is applied to the transmission assembly, so that the transmission assembly is hung into a third gear;
(d) A 3/4 gear detection angle positioning block 4 is arranged at the center of the gauge groove 6; judging whether the cylindrical pin 1 interferes with the left end and the right end of the left slot of the 3/4 gear detection angle positioning block 4, if so, exceeding the gear shifting angle, and if so, judging that the gear shifting angle is qualified;
(e) And (c) repeating the step (c) and the step (d), shifting to the right to enable the rocker arm to be shifted into the fourth gear, and detecting whether the gear shifting angle of the fourth gear is qualified.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A testing method of a gear shifting angle measuring gauge of a transmission assembly, the device is characterized by comprising a measuring gauge, wherein the measuring gauge comprises: a telescopic chuck seat (3), a neutral gear position positioning block and a 3/4 gear detection angle positioning block (4); the neutral position correcting positioning block comprises a plurality of positioning pins, and the opening size of the neutral position correcting positioning block is the diameter size of the cylindrical pin (1); the 3/4-gear detection angle positioning block (4) also comprises a plurality of positioning pins, and two grooves are formed in the 3/4-gear detection angle positioning block (4);
the chuck seat (3) is used for fixing the whole gauge on the gear shifting support (2) of the transmission assembly, the chuck seat (3) is provided with a measuring end (7) for judging a gear shifting angle, and the measuring end (7) can enable the measuring end (7) to stretch left and right by controlling tightness through a fixing bolt (8);
when in zero calibration, the neutral gear position positioning block is arranged at the center of the gauge groove (6) of the measuring end (7); when a neutral gear is engaged, an opening of the neutral gear position correcting positioning block is inserted into a cylindrical pin (1) of a rocker arm of the transmission assembly, and a zero position of the gauge is fixed by the fixing bolt (8);
the 3/4 gear detection angle positioning block (4) is also arranged at the center of the gauge groove (6), when the transmission assembly is in gear, if the cylindrical pin (1) of the rocker arm is contacted with the slotted end face of the 3/4 gear detection angle positioning block (4), the gear shifting angle is out of tolerance, and if the cylindrical pin (1) of the rocker arm is in the slot of the 3/4 gear detection angle positioning block (4), the gear shifting angle is qualified;
the test method comprises the following steps:
(a) Fixing the telescopic chuck base (3) in a gear shifting bracket (2) of the transmission assembly;
(b) The gear position correcting positioning block is arranged at the center of a gauge groove (6) of the measuring end (7), a grooved part of the gear position correcting positioning block is arranged in a cylindrical pin (1) of the rocker arm, the rocker arm of the transmission assembly is positioned at a neutral position without stress by stretching the measuring end (7) of the chuck base, and at the moment, the fixing bolt (8) is screwed down again to position the measuring end (7) of the chuck base at the neutral position;
(c) The neutral gear position positioning block is disassembled, and meanwhile, leftward force is applied to the transmission assembly, so that the transmission assembly is engaged into three gears;
(d) A 3/4-gear detection angle positioning block (4) is arranged at the center of the gauge groove (6); judging whether the cylindrical pin (1) is contacted with the left end and the right end of a left slot of the 3/4 gear detection angle positioning block (4), if so, indicating that the gear shifting angle is out of tolerance, and if so, indicating that the gear shifting angle is qualified;
(e) And (c) repeating the step (c) and the step (d), shifting to the right to enable the rocker arm to be shifted into the fourth gear, and detecting whether the gear shifting angle of the fourth gear is qualified.
2. The test method according to claim 1, wherein the neutral position positioning block comprises three positioning pins, and the 3/4 shift detection angle positioning block (4) also comprises three positioning pins.
3. The test method according to claim 1, wherein, the gear shifting angle of the cylindrical pin (1) is 17.5 degrees+/-1.5 degrees when the factory is required.
4. The test method of claim 1, wherein the calibration notch positioning block opening diameter is 8±0.02mm.
5. The test method according to claim 1, characterized in that the cylindrical pin (1) has a diameter of 8mm.
6. The testing method according to claim 1, wherein the gear shifting angle of the rocker arm is 17.5 ° ± 1.5 °, and the gear shifting angle is converted into the size tolerance and the position of the left and right slots of the 3/4 gear detection angle positioning block (4) by a triangle pythagorean theorem.
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CN201810934926.6A CN108871772B (en) | 2018-08-16 | 2018-08-16 | Gear shifting angle measurement gauge for transmission assembly and testing method thereof |
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CN201810934926.6A CN108871772B (en) | 2018-08-16 | 2018-08-16 | Gear shifting angle measurement gauge for transmission assembly and testing method thereof |
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CN108871772A CN108871772A (en) | 2018-11-23 |
CN108871772B true CN108871772B (en) | 2024-04-16 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110320027A (en) * | 2019-07-31 | 2019-10-11 | 江苏上汽汽车变速器有限公司 | A kind of transmission assembly shift free variation measurement cubing and its detection method |
CN111795668A (en) * | 2020-06-24 | 2020-10-20 | 西安法士特汽车传动有限公司 | Gear selecting and shifting angle detection method and device for transmission |
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