CN217152871U - Wear-resisting type powder metallurgy duplicate gear - Google Patents
Wear-resisting type powder metallurgy duplicate gear Download PDFInfo
- Publication number
- CN217152871U CN217152871U CN202123451461.5U CN202123451461U CN217152871U CN 217152871 U CN217152871 U CN 217152871U CN 202123451461 U CN202123451461 U CN 202123451461U CN 217152871 U CN217152871 U CN 217152871U
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- China
- Prior art keywords
- gear
- wear
- powder metallurgy
- reinforcing
- pillow block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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- Gears, Cams (AREA)
Abstract
The utility model relates to a wear-resisting type powder metallurgy duplicate gear, include: the middle part of the first gear is provided with a first reinforcing and stabilizing part, the first reinforcing and stabilizing part is provided with a plurality of connecting holes, locking parts penetrate through the connecting holes, one side of the first reinforcing and stabilizing part is provided with an installation pillow block, one side of the first reinforcing and stabilizing part, which is positioned on the installation pillow block, is provided with a plurality of positioning embedded grooves corresponding to the connecting holes, and the side surfaces of the positioning embedded grooves are obliquely arranged; the second gear, the middle part of second gear is equipped with the second and consolidates the stationary part, the second consolidate the stationary part be equipped with a plurality of with location caulking groove matched with location lug, be equipped with on the location lug with closure matched with screw thread closure hole. The utility model discloses a stability that first gear and second gear are connected is higher, has reduced the vibration that takes place among the operation process, has reduced the wearing and tearing of gear and has prolonged life.
Description
Technical Field
The utility model relates to a powder metallurgy gear technical field, in particular to wear-resisting type powder metallurgy duplicate gear.
Background
The gear transmission is the most widely applied transmission mode in mechanical transmission, can ensure stable transmission, and has the advantages of high transmission efficiency and long service life. The dual gear, also called a slip gear in a gear train (transmission), functions to change the rotational speed or speed of an output shaft. Two gears of the existing duplicate gear are usually connected and fixed through fixing pieces such as bolts, the stability is not enough after the assembly, and the gears are easy to vibrate in the operation process, so that the abrasion of the gears is caused, and the service life of the gears is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a wear-resisting type powder metallurgy duplicate gear has the advantage of connecting stably, reducing wear, increase of service life.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a wear-resistant powder metallurgy duplicate gear comprising:
the middle part of the first gear is provided with a first reinforcing and stabilizing part, the first reinforcing and stabilizing part is provided with a plurality of connecting holes, locking parts penetrate through the connecting holes, one side of the first reinforcing and stabilizing part is provided with an installation pillow block, one side of the first reinforcing and stabilizing part, which is positioned on the installation pillow block, is provided with a plurality of positioning embedded grooves corresponding to the connecting holes, the side surfaces of the positioning embedded grooves are obliquely arranged, and the center of the first gear is provided with a first installation shaft hole;
the second gear, the middle part of second gear is equipped with the second and consolidates the stationary part, the second consolidate on the stationary part be equipped with a plurality of with location caulking groove matched with location lug, be equipped with on the location lug with closure matched with screw thread closure hole, the middle part of second gear be equipped with installation pillow block matched with second installation shaft hole.
Realize above-mentioned technical scheme, during the installation, it is corresponding with the location caulking groove to fix a position the lug, establish second gear sleeve on the installation pillow block to the locating lug embedding location caulking groove in, screw up the closure afterwards, because the side slope of location caulking groove sets up, consequently the embedding location caulking groove that the lug can be more convenient fixes a position, and make the locating lug inseparabler with the laminating of location caulking groove, make the stability of first gear and second gear connection higher, reduced the vibration that takes place among the operation process, the wearing and tearing that have reduced the gear have prolonged life.
As an optimized scheme of the utility model, be equipped with the guide fin in the periphery of installation pillow block, be equipped with on the second gear with guide fin matched with activity guide slot.
Realize above-mentioned technical scheme, cooperate with movable guide slot through the guide fin for positioning accuracy between positioning caulking groove and the location lug is higher, and has improved first gear and second gear connection stability.
As a preferred scheme of the utility model, first consolidate the stabilizer with the second is consolidated and is equipped with a plurality of damping holes that link up in the stabilizer, the damping is downthehole to be inlayed and is equipped with the stick that shakes of inhaling.
Realize above-mentioned technical scheme, can absorb the vibration that the operation produced through the stick of shaking, further improve the stability of gear operation.
As an optimized scheme of the utility model, the damping hole with the connecting hole interval is laid.
By adopting the technical scheme, the vibration absorption performance is better.
As an optimized scheme of the utility model, the end of installation pillow block is equipped with the installation caulking groove, be equipped with in the installation caulking groove with the snap ring that the second gear supported the pressure mutually.
Realize above-mentioned technical scheme, further improved the stability that first gear and second gear are connected through the snap ring.
As a preferred scheme of the utility model, the surface of first gear and second gear all is equipped with wear-resistant coating.
Realize above-mentioned technical scheme, further improved the wear resistance of first gear and second gear through setting up wear-resistant coating.
As an optimized proposal of the utility model, a key slot is arranged in the first mounting shaft hole.
According to the technical scheme, the key groove is arranged to facilitate assembly with the rotating shaft.
To sum up, the utility model discloses following beneficial effect has:
the embodiment of the utility model provides a through providing a wear-resisting type powder metallurgy duplicate gear, include: the middle part of the first gear is provided with a first reinforcing and stabilizing part, the first reinforcing and stabilizing part is provided with a plurality of connecting holes, locking parts penetrate through the connecting holes, one side of the first reinforcing and stabilizing part is provided with an installation pillow block, one side of the first reinforcing and stabilizing part, which is positioned on the installation pillow block, is provided with a plurality of positioning embedded grooves corresponding to the connecting holes, the side surfaces of the positioning embedded grooves are obliquely arranged, and the center of the first gear is provided with a first installation shaft hole; the second gear, the middle part of second gear is equipped with the second and consolidates the stationary part, the second consolidate on the stationary part be equipped with a plurality of with location caulking groove matched with location lug, be equipped with on the location lug with closure matched with screw thread closure hole, the middle part of second gear be equipped with installation pillow block matched with second installation shaft hole. During the installation, it is corresponding with the location caulking groove to fix a position the lug, establish second gear cover on the installation pillow block to the locating lug embedding location caulking groove in, screw up the locking part afterwards, because the side slope setting of location caulking groove, consequently the embedding location caulking groove that the lug can be more convenient fixes a position, and make locating lug and the laminating of location caulking groove inseparabler, make the stability of first gear and second gear connection higher, reduced the vibration that takes place among the operation process, the wearing and tearing that have reduced the gear have prolonged life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a sectional view taken along a-a in fig. 1.
Fig. 3 is a rear view of an embodiment of the present invention.
Fig. 4 is a sectional view taken along the direction B-B in fig. 3.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a first gear; 11. a first reinforcing stabilizer; 12. connecting holes; 13. a locking member; 14. installing a pillow block; 141. a guide rib; 142. installing an embedding groove; 143. a snap ring; 15. positioning the caulking groove; 16. a first mounting shaft hole; 17. a damping hole; 18. a vibration absorbing rod; 19. a key slot; 2. a second gear; 21. a second reinforcing stabilizer; 22. positioning the bump; 23. a threaded locking hole; 24. a second mounting shaft hole; 25. a movable guide groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
A wear-resistant powder metallurgy duplicate gear, as shown in fig. 1-4, comprising: the gear fixing device comprises a first gear 1 and a second gear 2, wherein a first reinforcing and stabilizing part 11 is arranged in the middle of the first gear 1, a plurality of connecting holes 12 are formed in the first reinforcing and stabilizing part 11, locking parts 13 penetrate through the connecting holes 12, an installation shaft platform 14 is arranged on one side of the first reinforcing and stabilizing part 11, a plurality of positioning embedded grooves 15 corresponding to the connecting holes 12 are arranged on one side, where the installation shaft platform 14 is arranged, of the first reinforcing and stabilizing part 11, the side faces of the positioning embedded grooves 15 are obliquely arranged, a first installation shaft hole 16 is formed in the center of the first gear 1, and key grooves 19 are formed in the first installation shaft hole 16 so as to be assembled with a rotating shaft; the middle part of second gear 2 is equipped with second and consolidates steady portion 21, and second is consolidated and is equipped with a plurality of and fix a position caulking groove 15 matched with location lug 22 on the steady portion 21, is equipped with on the lug 22 with closure 13 matched with screw thread closure hole 23, the middle part of second gear 2 is equipped with and installs the second installation shaft hole 24 of pillow block 14 matched with.
Be equipped with guide rib 141 on the periphery of installation pillow block 14, be equipped with on the second gear 2 with guide rib 141 matched with activity guide slot 25, cooperate with activity guide slot 25 through guide rib 141 for the positioning accuracy between location caulking groove 15 and the location lug 22 is higher, and has improved first gear 1 and second gear 2 connection stability.
Furthermore, the first reinforcing and stabilizing part 11 and the second reinforcing and stabilizing part 21 are provided with a plurality of through vibration absorption holes 17, the vibration absorption rods 18 are embedded in the vibration absorption holes 17, the vibration absorption rods 18 are made of vibration absorption materials such as silicon rubber, the vibration generated in operation can be absorbed through the vibration absorption rods 18, the stability of gear operation is further improved, and the vibration absorption holes 17 and the connecting holes 12 are arranged at intervals, so that the vibration absorption performance is better.
The tail end of the installation shaft table 14 is provided with an installation caulking groove 142, a clamping ring 143 abutting against the second gear 2 is arranged in the installation caulking groove 142, the stability of connection of the first gear 1 and the second gear 2 is further improved through the clamping ring 143, and the clamping ring 143 can also be directly realized by the existing clamping spring.
The outer surfaces of the first gear 1 and the second gear 2 are provided with wear-resistant coatings, the wear-resistant coatings can be titanium carbide coatings, the thickness of the wear-resistant coatings can be set to be 10-15 mu m, the titanium carbide coatings have good rigidity, wear resistance and low magnetism, and the wear resistance of the first gear 1 and the second gear 2 is further improved by the wear-resistant coatings.
During the installation, it is corresponding with location caulking groove 15 with location lug 22, establish second gear 2 cover on installation pillow block 14 to location lug 22 embedding location caulking groove 15 in, screw up closure 13 afterwards, because the side slope of location caulking groove 15 sets up, consequently, embedding location caulking groove 15 that location lug 22 can be more convenient, and make location lug 22 inseparabler with the laminating of location caulking groove 15, make the stability of first gear 1 and second gear 2 connection higher, reduced the vibration that takes place among the operation process, the wearing and tearing that have reduced the gear have prolonged life.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A wear-resistant powder metallurgy duplicate gear, comprising:
the middle part of the first gear is provided with a first reinforcing and stabilizing part, the first reinforcing and stabilizing part is provided with a plurality of connecting holes, locking parts penetrate through the connecting holes, one side of the first reinforcing and stabilizing part is provided with an installation pillow block, one side of the first reinforcing and stabilizing part, which is positioned on the installation pillow block, is provided with a plurality of positioning embedded grooves corresponding to the connecting holes, the side surfaces of the positioning embedded grooves are obliquely arranged, and the center of the first gear is provided with a first installation shaft hole;
the second gear, the middle part of second gear is equipped with the second and consolidates the stationary part, the second consolidate on the stationary part be equipped with a plurality of with location caulking groove matched with location lug, be equipped with on the location lug with closure matched with screw thread closure hole, the middle part of second gear be equipped with installation pillow block matched with second installation shaft hole.
2. The wear-resistant powder metallurgy duplicate gear according to claim 1, wherein the mounting pillow block is provided with a guide rib on the periphery, and the second gear is provided with a movable guide groove matched with the guide rib.
3. The wear-resistant powder metallurgy duplicate gear according to claim 1 or 2, wherein the first and second reinforced stabilizers are provided with a plurality of damping holes therethrough, and the damping holes are embedded with damping rods.
4. The wear-resistant powder metallurgy duplicate gear according to claim 3, wherein the damping holes are spaced from the connection holes.
5. The wear-resistant powder metallurgy duplicate gear according to claim 4, wherein the mounting pillow block is provided with a mounting caulking groove at the tail end, and a clamping ring which is pressed against the second gear is arranged in the mounting caulking groove.
6. The wear-resistant powder metallurgy duplicate gear according to claim 1, wherein the outer surfaces of the first and second gears are each provided with a wear resistant coating.
7. The wear resistant powder metallurgy duplicate gear according to claim 1, wherein a keyway is provided in the first mounting shaft bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451461.5U CN217152871U (en) | 2021-12-30 | 2021-12-30 | Wear-resisting type powder metallurgy duplicate gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123451461.5U CN217152871U (en) | 2021-12-30 | 2021-12-30 | Wear-resisting type powder metallurgy duplicate gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217152871U true CN217152871U (en) | 2022-08-09 |
Family
ID=82687679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123451461.5U Expired - Fee Related CN217152871U (en) | 2021-12-30 | 2021-12-30 | Wear-resisting type powder metallurgy duplicate gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217152871U (en) |
-
2021
- 2021-12-30 CN CN202123451461.5U patent/CN217152871U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220809 |