CN109975014B - Dabber subassembly is used in taper hole gear measurement - Google Patents
Dabber subassembly is used in taper hole gear measurement Download PDFInfo
- Publication number
- CN109975014B CN109975014B CN201910371936.8A CN201910371936A CN109975014B CN 109975014 B CN109975014 B CN 109975014B CN 201910371936 A CN201910371936 A CN 201910371936A CN 109975014 B CN109975014 B CN 109975014B
- Authority
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- China
- Prior art keywords
- sleeve
- bevel gear
- sliding sleeve
- mandrel
- spindle
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- 238000005259 measurement Methods 0.000 title claims description 15
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 230000020347 spindle assembly Effects 0.000 claims description 12
- 210000004907 gland Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 abstract description 11
- 230000006835 compression Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 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
- G01M13/021—Gearings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a mandrel assembly for measuring a bevel gear, which comprises a mandrel, a compression nut, a pressing sleeve, a sliding sleeve and a return spring, wherein the sliding sleeve is sleeved on the mandrel in a sliding manner, a limiting convex ring is arranged on the mandrel, the return spring is sleeved on the mandrel between the sliding sleeve and a limiting boss, two ends of the return spring respectively tightly prop against the sliding sleeve and the limiting convex ring, the pressing sleeve is sleeved on the mandrel above the sliding sleeve in a sliding manner, and the compression nut is screwed on the mandrel above the pressing sleeve. The mandrel assembly is compact in structure and convenient to use, is used for clamping the bevel gear, is convenient for measuring the bevel gear, solves the problem of unstable clamping caused by the taper difference of actual gear products, effectively improves the positioning accuracy of the bevel gear, and has the characteristics of convenience in operation, long service life and wide application range.
Description
Technical Field
The invention relates to the field of gear measuring tools, in particular to a mandrel assembly for measuring bevel gears.
Background
Bevel gears are gears with conical shaft holes, and all require special spindle assemblies for measurement on a gear meter. The existing mandrel assembly is mainly a fixed taper rigid mandrel or an expandable mandrel assembly matched with a lock nut, when the fixed taper rigid mandrel is adopted to support a gear, partial gear clamps are unstable (the surfaces of the mandrel and the gear taper hole cannot deform) due to the taper difference of the taper hole of an actual gear product, and the expandable mandrel assembly matched with the lock nut is complex in structure and small in expandable range, and because the expandable mandrel assembly adopts the elastic deformation principle of an elastic element to clamp the gear, certain system errors can be brought, so that the existing mandrel assembly is difficult to meet actual production requirements.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides a mandrel assembly which is compact in structure and convenient to use, is used for clamping a bevel gear, is convenient for measuring the bevel gear, solves the problem of unstable clamping caused by the taper difference of actual gear products, effectively improves the positioning precision of the bevel gear, and has the characteristics of convenience in operation, long service life and wide application range.
The technical scheme adopted by the invention is as follows: the utility model provides a taper hole gear measures and uses dabber subassembly, includes the dabber, still includes gland nut, presses cover, sliding sleeve and return spring, the sliding sleeve slip cap establish at the dabber, the dabber on be equipped with spacing bulge loop, the return spring cover establish the dabber between sliding sleeve and spacing boss, just the both ends of return spring push up tightly sliding sleeve, spacing bulge loop respectively, the cover slip cap of pressing establish the dabber of sliding sleeve top, gland nut connect the dabber of pressing the cover top soon.
As a further improvement, a limiting snap ring is further arranged on the mandrel between the sliding sleeve and the pressing sleeve.
Further, the periphery of the pressing sleeve is provided with a plug port which radially penetrates through the center of the pressing sleeve, and one side of the pressing sleeve is also provided with a yielding sink groove.
Further, the outer edge of the pressing sleeve is provided with convex lines, and the outer edge of the pressing sleeve is also provided with radial sinking grooves.
Further, the sliding sleeve is a T-shaped sleeve, the minimum end of the T-shaped sleeve is inserted into the inner side of the return spring, and the diameter of the maximum end of the T-shaped sleeve is smaller than that of the limiting convex ring.
Further, a threaded connecting rod, a snap ring groove and a cylindrical guide rod are sequentially arranged on the mandrel above the limiting convex ring from top to bottom, and a handle is arranged on the mandrel below the limiting convex ring.
Further, a radial groove is formed in the joint between the cylindrical guide rod and the limiting convex ring, and square flat positions are arranged on two sides of the handle.
Further, the threaded connection rod, the cylindrical guide rod, the limiting convex ring and the handle are coaxially arranged with the mandrel, and the threaded connection rod, the cylindrical guide rod, the limiting convex ring, the handle and the mandrel are of an integrated structure.
Further, center holes which are coaxially arranged are formed in two ends of the mandrel, and protection counter bores are formed in the outer end faces of the center holes.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
the spindle assembly is compact in structure and convenient to use, adopts a mode of axially reversely pushing the sliding sleeve and axially displacing the pressing sleeve by utilizing the spiral pressure of the compression nut to axially clamp the bevel gear, eliminates the problem of unstable clamping caused by the taper difference of actual gear products, facilitates the measurement of the bevel gear, and effectively improves the positioning precision of the bevel gear, thereby ensuring the measuring precision, and has the characteristics of convenient operation, long service life and wide application range.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional front view of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional front view of the present invention in use;
FIG. 4 is a schematic view of the front view of the jacket of the present invention;
FIG. 5 is a schematic view of the bottom view of the pressure jacket of the present invention;
FIG. 6 is a schematic diagram of the front view of the mandrel of the present invention;
fig. 7 is a schematic diagram of a cross-sectional front view of a mandrel according to the present invention.
Wherein: the novel gear comprises a 1-mandrel, a 2-compression nut, a 3-pressing sleeve, a 4-sliding sleeve, a 5-return spring, a 6-limiting convex ring, a 7-limiting snap ring, an 8-inserting port, a 9-yielding sink, a 10-convex line, an 11-radial sink, a 12-threaded connecting rod, a 13-snap ring groove, a 14-cylindrical guide rod, a 15-handle, a 16-radial groove, a 17-square flat position, a 18-tip hole, a 19-protection counter bore and a 20-taper hole gear.
Detailed Description
The invention will be further described with reference to specific embodiments in the drawings.
Referring to fig. 1-7, the spindle assembly for measuring the bevel gear comprises a spindle 1, a compression nut 2, a pressing sleeve 3, a sliding sleeve 4 and a return spring 5, wherein the sliding sleeve 4 is sleeved on the spindle 1 in a sliding manner and can slide relatively on the spindle 1, the maximum diameter of the sliding sleeve 4 is required to be larger than the minimum diameter of the bevel gear 20 and smaller than the maximum diameter of the bevel gear 20, so that the sliding sleeve 4 can be inserted into the bevel, a limiting convex ring 6 is arranged on the spindle 1, the return spring 5 is sleeved on the spindle 1 between the sliding sleeve 4 and the limiting convex ring 6, two ends of the return spring 5 respectively prop against the sliding sleeve 4 and the limiting convex ring 6, the return spring 5 applies pressure to the sliding sleeve 4, the pressing sleeve 3 is sleeved on the spindle 1 above the sliding sleeve 4 in a sliding manner and can slide relatively to the spindle 1, the maximum diameter of the pressing sleeve 3 is larger than the minimum diameter of the bevel gear 20, so that the pressing sleeve 3 can squeeze the bevel gear 20, and the compression nut 2 is screwed on the spindle 1 above the pressing sleeve 3 for pressing the pressing sleeve 3.
When the mandrel assembly in the embodiment is in actual use, the compression nut 2 is loosened, the pressing sleeve 3 is taken out, the taper hole gear 20 to be measured is sleeved into the mandrel 1 at the moment, the sliding sleeve 4 is inserted into the taper hole of the taper hole gear 20, then the pressing sleeve 3 and the compression nut 2 are sleeved in sequence, the compression nut 2 is screwed, and the pressing sleeve 3 is extruded downwards until the taper hole gear 20 is clamped. The spindle assembly is compact in structure and convenient to use, adopts a mode of axially reversely pushing the sliding sleeve and axially displacing the pressing sleeve by utilizing the spiral pressure of the compression nut to axially clamp the bevel gear, eliminates the problem of unstable clamping caused by the taper difference of actual gear products, facilitates the measurement of the bevel gear, and effectively improves the positioning precision of the bevel gear, thereby ensuring the measuring precision, and has the characteristics of convenient operation, long service life and wide application range.
Preferably, a limiting snap ring 7 is further arranged on the mandrel 1 between the sliding sleeve 4 and the pressing sleeve 3, the limiting snap ring 7 is an open elastic snap ring, and the installation is convenient, and the sliding sleeve 4 is axially limited and prevented from falling off. The periphery of the pressing sleeve 3 is provided with a plug port 8 which radially penetrates through the center of the pressing sleeve, the width of the plug port 8 is larger than the diameter of the mandrel 1, the pressing sleeve 3 can be installed on the mandrel 1 in a lateral drawing and inserting mode in practical application, the axial drawing and pulling along the mandrel 1 are not needed, the installation time is shortened, the working efficiency is further improved, and a yielding sink groove 9 is further arranged on one side of the pressing sleeve 3 to prevent the pressing sleeve 3 from interfering with the limiting snap ring 7. Further, the outer edge of the pressing sleeve 3 is provided with the convex lines 10, so that the pressing sleeve 3 is convenient to grasp, the operation of workers is convenient, and the outer edge of the pressing sleeve 3 is also provided with the radial sinking grooves 11, so that the operation is further convenient. The sliding sleeve 4 is a T-shaped sleeve, the minimum end of the T-shaped sleeve is inserted into the inner side of the return spring 5, the sliding stability of the sliding sleeve 4 can be improved, the diameter of the maximum end of the T-shaped sleeve is smaller than that of the limiting convex ring 6, the diameter of the limiting convex ring 6 is also smaller than that of a taper hole of the taper hole gear 20, the limiting convex ring 6 can be inserted into the taper hole, meanwhile, the limiting convex ring 6 and the sliding sleeve 4 form multi-point support on the inner wall of the taper hole gear 20 after being inserted into the taper hole, the inserting stability is further improved, the coaxial precision of the mandrel 1, the sliding sleeve 4, the pressing sleeve 3 and the taper hole gear 20 is improved, the measurement is facilitated, the contact area is increased, the inserting stability is further improved, and meanwhile, the taper hole damage of the taper hole gear 20 is effectively prevented.
In the embodiment, a threaded connection rod 12, a clamping ring groove 13 and a cylindrical guide rod 14 are sequentially arranged on the mandrel 1 above the limiting convex ring 6 from top to bottom, wherein the compression nut 2 is screwed on the threaded connection rod 12, the limiting clamping ring 7 is clamped in the clamping ring groove 13, the sliding sleeve 4 is installed on the cylindrical guide rod 14 in a sliding fit manner, and a handle 15 is arranged on the mandrel 1 below the limiting convex ring 6, so that a worker can conveniently take the sliding sleeve. The radial groove 16 is arranged at the joint between the cylindrical guide rod 14 and the limiting convex ring 6, so that the phenomenon that the return spring 5 is clamped by sundries at the joint between the cylindrical guide rod 14 and the limiting convex ring 6 to generate false clamping is prevented, and square flat parts 17 are arranged at two sides of the handle 15, thereby being beneficial to the operation of workers. The threaded connecting rod 12, the cylindrical guide rod 14, the limiting convex ring 6 and the handle 15 are coaxially arranged with the mandrel 1, so that the coaxiality of the mandrel 1 is improved, and the threaded connecting rod 12, the cylindrical guide rod 14, the limiting convex ring 6, the handle 15 and the mandrel 1 are of an integrated structure, so that the manufacturing is convenient, and meanwhile, the rigidity strength of the mandrel 1 is improved. Center holes 18 which are coaxially arranged are formed in two ends of the mandrel 1, so that the axis of the mandrel 1 can be conveniently found, the mandrel 1 can be conveniently installed on a machine tool to process various structures of the mandrel 1, and a protection counter bore 19 is formed in the end face of the outer side of the center hole 18 to prevent the center hole 18 from being damaged.
While only the preferred embodiments of the present invention have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (9)
1. The utility model provides a taper hole is dabber subassembly for gear measurement, includes dabber (1), its characterized in that still includes gland nut (2), presses cover (3), sliding sleeve (4) and return spring (5), sliding sleeve (4) slip cap establish on dabber (1), dabber (1) on be equipped with spacing bulge loop (6), return spring (5) cover establish on dabber (1) between sliding sleeve (4) and spacing bulge loop (6), just the both ends of return spring (5) are tight sliding sleeve (4), spacing bulge loop (6) respectively, pressing cover (3) slip cap establish on dabber (1) of sliding sleeve (4) top, gland nut (2) connect on dabber (1) of pressing cover (3) top soon.
2. The spindle assembly for bevel gear measurement according to claim 1, wherein a limiting snap ring (7) is further arranged on the spindle (1) between the sliding sleeve (4) and the pressing sleeve (3).
3. The spindle assembly for bevel gear measurement according to claim 1, wherein the periphery of the pressing sleeve (3) is provided with a plug-in port (8) penetrating through the center of the pressing sleeve radially, and one side of the pressing sleeve (3) is further provided with a yielding sink (9).
4. The spindle assembly for bevel gear measurement according to claim 1, wherein the outer edge of the press sleeve (3) is provided with a convex line (10), and the outer edge of the press sleeve (3) is further provided with a radial sinking groove (11).
5. A spindle assembly for bevel gear measurement according to any one of claims 1-4, wherein the sliding sleeve (4) is a T-shaped sleeve, the smallest end of the T-shaped sleeve is inserted inside the return spring (5), and the diameter of the largest end is smaller than the diameter of the limiting collar (6).
6. The spindle assembly for bevel gear measurement according to claim 5, wherein the spindle (1) above the limiting convex ring (6) is sequentially provided with a threaded connection rod (12), a snap ring groove (13) and a cylindrical guide rod (14) from top to bottom, and the spindle (1) below the limiting convex ring (6) is provided with a handle (15).
7. The spindle assembly for bevel gear measurement according to claim 6, wherein a radial groove (16) is formed at the joint between the cylindrical guide rod (14) and the limiting convex ring (6), and square flat positions (17) are formed on two sides of the handle (15).
8. The spindle assembly for bevel gear measurement according to claim 6, wherein the threaded connection rod (12), the cylindrical guide rod (14), the limiting convex ring (6), the handle (15) and the spindle (1) are coaxially arranged, and the threaded connection rod (12), the cylindrical guide rod (14), the limiting convex ring (6), the handle (15) and the spindle (1) are of an integrated structure.
9. The spindle assembly for bevel gear measurement according to claim 1, wherein the two ends of the spindle (1) are respectively provided with a coaxially arranged center hole (18), and the outer end surface of the center hole (18) is provided with a protection counter bore (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371936.8A CN109975014B (en) | 2019-05-06 | 2019-05-06 | Dabber subassembly is used in taper hole gear measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371936.8A CN109975014B (en) | 2019-05-06 | 2019-05-06 | Dabber subassembly is used in taper hole gear measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109975014A CN109975014A (en) | 2019-07-05 |
| CN109975014B true CN109975014B (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910371936.8A Active CN109975014B (en) | 2019-05-06 | 2019-05-06 | Dabber subassembly is used in taper hole gear measurement |
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| Publication number | Publication date |
|---|---|
| CN109975014A (en) | 2019-07-05 |
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