CN108303004B - Be applied to three shelves clutch gear angle parameter measurement's rotation positioning mechanism - Google Patents
Be applied to three shelves clutch gear angle parameter measurement's rotation positioning mechanism Download PDFInfo
- Publication number
- CN108303004B CN108303004B CN201810017082.9A CN201810017082A CN108303004B CN 108303004 B CN108303004 B CN 108303004B CN 201810017082 A CN201810017082 A CN 201810017082A CN 108303004 B CN108303004 B CN 108303004B
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- Prior art keywords
- bevel gear
- rotating shaft
- positioning mechanism
- gear
- pressing
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- 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
- G01B21/22—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 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)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention discloses a rotary positioning mechanism applied to measurement of angle parameters of a gear of a third-gear clutch, which comprises supporting legs, a chute base, a fixed seat and a supporting seat; the chute base is provided with a first pressing structure for pressing on the upper surface of the bevel gear and a second pressing structure for pressing on the side surface of the bevel gear; a third expansion structure with one end penetrating through the chute base and used for expanding the inner hole of the bevel gear is arranged on the fixed seat; the third expansion structure comprises an outer sleeve body connected to the fixed seat, a rotating shaft structure matched with the outer sleeve body, an expansion ring matched with the rotating shaft structure to expand the inner hole of the bevel gear, and a rotary wheel connected to the rotating shaft structure; the bevel gear is positioned from three angles, so that the positioning reliability is high, the tooth surface space angle parameters of a plurality of different positions on the bevel gear can be measured through rotating the rotating shaft structure and the rotating angle, the measuring precision is high, and the operation is more convenient.
Description
Technical Field
The invention relates to the technical field of measurement, in particular to a rotary positioning mechanism which is applied to measurement of three-gear clutch bevel gear tooth surface space angle parameters and can be used for positioning a rotary angle with high precision.
Background
The gears are gear-shaped parts with teeth, and are usually meshed in pairs, one of the gears rotates, and the other gear is driven; the manufacturing precision determines the meshing effect of the gears, and when the manufacturing error is large, the synchronicity of the gears is poor and the gears are easy to damage, so that the precision control of the gears is very critical; it is necessary to control the manufacturing accuracy of the gear by measuring; in the field of gear measurement, because the shape of the gear is irregular, clamping and positioning are difficult to carry out during measurement, and especially for tooth surface space angle measurement of a bevel gear, the clamping and positioning mechanism plays a very important role in measurement precision, and the traditional positioning mechanism often cannot completely meet the requirement of automatic measurement.
Disclosure of Invention
The invention aims to provide a rotary positioning mechanism which is applied to three-gear clutch bevel gear tooth surface space angle parameter measurement, has high positioning precision and can rotate at an angle, and solves the technical problems.
In order to achieve the technical purpose and meet the technical requirements, the invention adopts the technical scheme that: the rotary positioning mechanism comprises supporting legs, a chute base connected to the supporting legs, a fixed seat connected to the chute base and a supporting seat connected to the fixed seat; the method is characterized in that: the chute base is provided with a first compression structure used for being pressed on the upper surface of the bevel gear and a second compression structure used for being pressed on the side surface of the bevel gear; the fixing seat is provided with a third expansion structure, one end of which penetrates through the chute base and is used for expanding an inner hole of the bevel gear; the third expansion structure comprises an outer sleeve body connected to the fixing seat, a rotating shaft structure matched with the outer sleeve body, an expansion ring matched with the rotating shaft structure to expand the inner hole of the bevel gear, and a rotary wheel connected to the rotating shaft structure and used for compressing the expansion ring.
As a preferable technical scheme: the first pressing structure comprises a fixed support connected with the chute base through bolts, a movable support connected to the fixed support, a buffer spring connected between the fixed support and the movable support, and a plunger connected to the movable support and contacted with the upper surface of the bevel gear.
As a preferable technical scheme: the second pressing structure comprises a sliding support which is in sliding connection with a sliding groove on the sliding groove base, and a sliding positioning pin which is connected to the sliding support and is in contact with the side face of the bevel gear.
As a preferable technical scheme: the outer sleeve body comprises an outer sleeve in interference fit with the fixed seat according to normal tolerance, a bead sleeve connected between the outer sleeve and the rotating shaft structure, and a sealing structure for sealing the rotating shaft structure.
As a preferable technical scheme: the rotating shaft structure comprises a central shaft matched in the dense ball sleeve, a plate connected to the central shaft, a reference seat connected to the plate and used for placing a bevel gear, and a taper pin connected to the plate and used for being matched with the expansion ring; the expansion ring is arranged between the reference seat and the taper pin; the taper pin is attached to the expansion ring through an inclined plane.
As a preferable technical scheme: the supporting seat is also provided with a knob matched with the plate.
The beneficial effects of the invention are as follows: be applied to three shelves clutch gear angle parameter measurement's rotation positioning mechanism compares with traditional structure: the device is provided with a first compression structure, a second compression structure and a third expansion structure; the third expansion structure comprises an outer sleeve body connected to the fixed seat, a rotating shaft structure matched with the outer sleeve body, an expansion ring matched with the rotating shaft structure to expand the inner hole of the bevel gear, and a rotary wheel connected to the rotating shaft structure and used for compressing the expansion ring; when the bevel gear is in actual use, the bevel gear is placed on the rotating shaft structure, the expansion ring is pressed down through the rotation of the rotary wheel, so that the expansion ring and the inner hole of the bevel gear are expanded, the upper surface of the bevel gear is tightly pressed through the first pressing structure, and the side surface of the bevel gear is tightly pressed through the second pressing structure; the bevel gear is positioned from three angles, so that the positioning reliability is high, the tooth surface space angle parameters of a plurality of different positions on the bevel gear can be measured through rotating the rotating shaft structure and the rotating angle, the measuring precision is high, and the operation is more convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a partial schematic view of FIG. 1 in accordance with the present invention;
in the figure: 1. support legs, 2, a chute base, 3, a fixed seat, 4, a support seat, 5, a first compression structure, 6, a second compression structure, 7, a third expansion structure, 8, an outer sleeve, 9, a rotary shaft structure, 10, an expansion ring, 11, a rotary wheel, 12, a knob, 101, a bevel gear, 5-1, a fixed bracket, 5-2, a movable bracket, 5-3, a buffer spring, 5-4, a plunger, 6-1, a sliding bracket, 6-2, a sliding positioning pin, 8-1, an outer sleeve, 8-2, a sealing sleeve, 8-3, 9-1, a central shaft, 9-2, a plate, 9-3, a reference seat and 9-4.
Detailed Description
The invention is further described below with reference to the accompanying drawings;
in the drawings: the rotary positioning mechanism for measuring the angle parameters of the gear of the three-gear clutch comprises supporting legs 1, a chute base 2 connected to the supporting legs 1, a fixed seat 3 connected to the chute base 2 and a supporting seat 4 connected to the fixed seat 3; the chute base 2 is provided with a first pressing structure 5 for pressing on the upper surface of the bevel gear 101 and a second pressing structure 6 for pressing on the side surface of the bevel gear 101; the fixed seat 3 is provided with a third expansion structure 7, one end of which passes through the chute base 2 and is used for expanding the inner hole of the bevel gear 101; the third expansion structure 7 comprises an outer sleeve body 8 connected to the fixed seat 3, a rotating shaft structure 9 matched in the outer sleeve body 8, an expansion ring 10 matched with the rotating shaft structure 9 to expand the inner hole of the bevel gear 101, and a rotary wheel 11 connected to the rotating shaft structure 9 and used for compressing the expansion ring 10; in actual use, the bevel gear 101 is placed on the rotating shaft structure 9, the tightening ring 10 is pressed down by rotating the rotary wheel 11, so that the tightening ring 10 is tightly tightened with the inner hole of the bevel gear 101, the upper surface of the bevel gear 101 is tightly pressed by the first pressing structure 5, and the side surface of the bevel gear 101 is tightly pressed by the second pressing structure 6; the bevel gear 101 is positioned from three angles, so that the positioning reliability is high, the rotation shaft structure 9 and the rotation angle can be ensured by controlling the compression force of the first compression structure 5 and the second compression structure 6 and the end shapes (usually spherical) of the plunger 5-4 and the sliding positioning pin 6-2, the tooth surface space angle parameters of a plurality of different parts on the bevel gear 101 can be measured, the measurement accuracy is high, and the operation is more convenient.
In fig. 1: the first pressing structure 5 comprises a fixed bracket 5-1 connected with the chute base 2 through bolts, a movable bracket 5-2 connected with the fixed bracket 5-1, a buffer spring 5-3 connected between the fixed bracket 5-1 and the movable bracket 5-2, and a plunger 5-4 connected with the movable bracket 5-2 and contacted with the upper surface of the bevel gear 101; when in actual use, the movable support 5-2 rotates to enable the plunger 5-4 to be in contact with and tightly pressed against the upper surface of the bevel gear 101, the buffer spring 5-3 is beneficial to tightly attaching the plunger 5-4 to the upper surface of the bevel gear 101, and the pressing force can be adjusted by adjusting the buffer spring 5-3, so that the reliability is better.
In fig. 2: the second pressing structure 6 comprises a sliding bracket 6-1 which is in sliding connection with a sliding groove on the sliding groove base 2, and a sliding positioning pin 6-2 which is connected with the sliding bracket 6-1 and is in contact with the side surface of the bevel gear 101; during actual use, the sliding support 6-1 moves in the sliding groove on the sliding groove base 2, so that the sliding locating pin 6-2 props against the side face of the bevel gear 101, and is limited with the sliding groove base 2 through the bolt, thereby ensuring the compacting effect.
In fig. 2: the outer sleeve body 8 comprises an outer sleeve 8-1 in interference fit with the fixed seat 3 according to normal tolerance, a bead sleeve 8-2 connected between the outer sleeve 8-1 and the rotating shaft structure 9, and a sealing structure 8-3 for sealing the rotating shaft structure 9; in actual use, the dense bead sleeve 8-2 is arranged, so that the combination between the outer sleeve 8-1 and the rotating shaft structure 9 is more precise, the concentricity is good, and the measurement accuracy of the bevel gear 101 is improved.
In fig. 2: the rotating shaft structure 9 comprises a central shaft 9-1 matched in the dense ball sleeve 8-2, a plate 9-2 connected with the central shaft 9-1 through bolts, a reference seat 9-3 connected with the plate 9-2 through bolts and used for placing the bevel gear 101, and a taper pin 9-4 connected with the plate 9-2 through bolts and used for being matched with the expansion ring 10; the expansion ring 10 is arranged between the reference seat 9-3 and the taper pin 9-4; the taper pins 9-4 are attached to the expansion ring 10 through inclined planes; in actual use, the bevel gear 101 is placed on the reference seat 9-3, and the tightening ring 10 is pressed down through the rotary wheel 11, and the inclined plane between the tightening ring 10 and the taper pin 9-4 is displaced and extruded, so that the tightening ring 10 tightens the inner hole of the bevel gear 101, and the purpose of tightening is achieved.
In fig. 1: the supporting seat 4 is also provided with a knob 12 matched with the plate 9-2; when the bevel gear 101 is positioned, the knob 12 controls the rotation of the rotating shaft structure 9, so that the measuring precision is ensured.
The above examples are provided for the purpose of clearly illustrating the invention and are not to be construed as limiting the invention, and other variants and modifications of the various forms may be made by those skilled in the art based on the description, which are not intended to be exhaustive of all embodiments, and obvious variants or modifications of the invention may be found within the scope of the invention.
Claims (4)
1. The rotary positioning mechanism for measuring the angle parameters of the three-gear clutch gear comprises supporting legs (1), a chute base (2) connected to the supporting legs (1), a fixed seat (3) connected to the chute base (2) and a supporting seat (4) connected to the fixed seat (3); the method is characterized in that: the chute base (2) is provided with a first pressing structure (5) used for pressing on the upper surface of the bevel gear (101) and a second pressing structure (6) used for pressing on the side surface of the bevel gear (101); a third expansion structure (7) with one end penetrating through the chute base (2) and used for expanding the inner hole of the bevel gear (101) is arranged on the fixed seat (3); the third expansion structure (7) comprises an outer sleeve body (8) connected to the fixed seat (3), a rotating shaft structure (9) matched in the outer sleeve body (8), an expansion ring (10) matched with the rotating shaft structure (9) to expand the inner hole of the bevel gear (101), and a rotary wheel (11) connected to the rotating shaft structure (9) and used for compressing the expansion ring (10);
the outer sleeve body (8) comprises an outer sleeve (8-1) in interference fit with the fixed seat (3) according to normal tolerance, a bead sleeve (8-2) connected between the outer sleeve (8-1) and the rotating shaft structure (9), and a sealing structure (8-3) for sealing the rotating shaft structure (9);
the rotating shaft structure (9) comprises a central shaft (9-1) matched in the ball sealing sleeve (8-2), a plate (9-2) connected to the central shaft (9-1), a reference seat (9-3) connected to the plate (9-2) and used for placing a bevel gear (101), and a taper pin (9-4) connected to the plate (9-2) and used for being matched with the expansion ring (10); the expansion ring (10) is arranged between the reference seat (9-3) and the taper pin (9-4); the taper pin (9-4) is attached to the expansion ring (10) through an inclined plane.
2. The rotary positioning mechanism applied to measurement of three-gear clutch gear angle parameters according to claim 1, wherein the rotary positioning mechanism is characterized in that: the first pressing structure (5) comprises a fixed support (5-1) connected with the chute base (2) through bolts, a movable support (5-2) connected to the fixed support (5-1), a buffer spring (5-3) connected between the fixed support (5-1) and the movable support (5-2), and a plunger (5-4) connected to the movable support (5-2) and contacted with the upper surface of the bevel gear (101).
3. The rotary positioning mechanism applied to measurement of three-gear clutch gear angle parameters according to claim 1, wherein the rotary positioning mechanism is characterized in that: the second pressing structure (6) comprises a sliding support (6-1) which is in sliding connection with a sliding groove on the sliding groove base (2), and a sliding positioning pin (6-2) which is connected to the sliding support (6-1) and is in contact with the side face of the bevel gear (101).
4. The rotary positioning mechanism applied to measurement of three-gear clutch gear angle parameters according to claim 1, wherein the rotary positioning mechanism is characterized in that: the supporting seat (4) is also provided with a knob (12) matched with the plate (9-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017082.9A CN108303004B (en) | 2018-01-09 | 2018-01-09 | Be applied to three shelves clutch gear angle parameter measurement's rotation positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017082.9A CN108303004B (en) | 2018-01-09 | 2018-01-09 | Be applied to three shelves clutch gear angle parameter measurement's rotation positioning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108303004A CN108303004A (en) | 2018-07-20 |
| CN108303004B true CN108303004B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810017082.9A Active CN108303004B (en) | 2018-01-09 | 2018-01-09 | Be applied to three shelves clutch gear angle parameter measurement's rotation positioning mechanism |
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| EP0840028A1 (en) * | 1996-11-05 | 1998-05-06 | Asmo Co., Ltd. | Rotary position detector for motors |
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2018
- 2018-01-09 CN CN201810017082.9A patent/CN108303004B/en active Active
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| RU91759U1 (en) * | 2009-11-03 | 2010-02-27 | Государственное образовательное учреждение высшего профессионального образования "Сибирская государственная автомобильно-дорожная академия (СибАДИ)" | THROTTLE FLOW METER |
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| CN102840805A (en) * | 2012-09-07 | 2012-12-26 | 内江神舟机电设备有限公司 | Detection device for tooth accuracy of driven spiral bevel gear |
| CN203471079U (en) * | 2013-07-29 | 2014-03-12 | 江阴市科安传动机械有限公司 | Elastic clamp of bevel gear |
| CN105750661A (en) * | 2014-12-18 | 2016-07-13 | 重庆市泰精包装制品有限公司 | Gear milling clamp for bevel gear |
| CN106514284A (en) * | 2015-10-24 | 2017-03-22 | 重庆侨立管道制造有限公司 | Multi-positioning rotary swelling type workbench mechanism |
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| CN108303004A (en) | 2018-07-20 |
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