CN116498732A - Low-abrasion gear reducer - Google Patents
Low-abrasion gear reducer Download PDFInfo
- Publication number
- CN116498732A CN116498732A CN202310553589.7A CN202310553589A CN116498732A CN 116498732 A CN116498732 A CN 116498732A CN 202310553589 A CN202310553589 A CN 202310553589A CN 116498732 A CN116498732 A CN 116498732A
- Authority
- CN
- China
- Prior art keywords
- input shaft
- shaft
- output shaft
- gear
- transmission
- Prior art date
- 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.)
- Pending
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 49
- 238000005299 abrasion Methods 0.000 title abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000009467 reduction Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of speed reducer equipment, in particular to a low-abrasion gear speed reducer, which comprises an output shaft, an input shaft, a speed reducer shell and a transmission assembly, wherein the transmission assembly is arranged in the speed reducer shell, the input shaft and the output shaft are in transmission connection with each other through the transmission assembly, and the input shaft and a driving motor are in driving connection with each other; an oil seal end cover is arranged on one side of the speed reducer shell, the oil seal end cover is sleeved on the outer side of the output shaft, and the oil seal end cover is fixedly connected with the speed reducer shell through a connecting bolt A; the other side of the speed reduction shell is provided with a rear cover plate. According to the invention, the plurality of antifriction bearings A are sleeved outside the output shaft, the antifriction bearings A are in interference fit with the output shaft, and the reaction bearings are sleeved outside the antifriction bearings A, so that the problem of shaft diameter abrasion caused by the fact that the interference dimension of the shaft surface of the output shaft is invalid in the rotation process can be solved by matching the antifriction bearings A with the reaction bearings.
Description
Technical Field
The invention relates to the technical field of speed reducer equipment, in particular to a low-abrasion gear speed reducer.
Background
At present, a speed reducer is a speed change device widely used in mechanical transmission, is generally used for transmission equipment with low rotation speed and large torque, and achieves the purpose of reducing speed by enabling a motor or other power running at high speed to be meshed with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer, so that the speed reducer is widely applied to modern machinery. At present, the existing gear reducer is generally used for low-rotation-speed and high-torque transmission equipment, and the common gear reducer of the motor can achieve an ideal speed reducing effect by a plurality of pairs of gears with the same principle, namely the gear ratio of large gears and small gears. With the continuous development of the speed reducer industry, more and more enterprises apply to the speed reducer, and the rotating speed of the motor can be reduced through the speed reducer, so that the rotating speed of the motor can meet the actual rotating speed requirement.
At present, in the prior art, one of the problems frequently occurring in the operation of the gear reducer is excessive wear of components, for example, the reason that wear occurs between a bearing and a shaft is mostly shaft diameter wear caused by shaft surface interference size failure, vibration and noise can be generated due to excessive wear, and the working efficiency of the gear reducer can be seriously affected.
The present invention thus provides a low wear gear reducer to solve the above-mentioned technical problems.
Disclosure of Invention
The invention provides a low-abrasion gear reducer, which aims to overcome the defects in the prior art, and a plurality of antifriction bearings A are sleeved outside an output shaft, the antifriction bearings A are in interference fit with the output shaft, reaction bearings are sleeved outside the antifriction bearings A, and the problem of shaft diameter abrasion caused by shaft surface interference size failure in the rotation process of the output shaft can be solved by matching the antifriction bearings A with the reaction bearings.
The technical scheme adopted by the invention for solving the technical problems is as follows: the low-wear gear reducer comprises an output shaft, an input shaft, a reducer shell and a transmission assembly, wherein the transmission assembly is arranged in the reducer shell, the input shaft and the output shaft are in transmission connection with each other through the transmission assembly, and the input shaft and a driving motor are in driving connection with each other;
an oil seal end cover is arranged on one side of the speed reducer shell, the oil seal end cover is sleeved on the outer side of the output shaft, and the oil seal end cover is fixedly connected with the speed reducer shell through a connecting bolt A; a rear cover plate is arranged on the other side of the speed reduction shell, a through hole is formed in the rear cover plate, and the rear cover plate is fixedly connected with the speed reduction shell through a connecting bolt B;
the transmission assembly comprises a transmission gear and an internal gear, wherein the transmission gear and the internal gear are arranged on one side of the rear cover plate, the transmission gear and the internal gear are connected with each other through a connecting pin, the transmission gear is sleeved on the outer side of the input shaft, an eccentric shaft sleeve is arranged between the transmission gear and the input shaft, the eccentric shaft sleeve is sleeved on the input shaft, the internal gear is positioned on one side of the output shaft, and the internal gear and the output shaft are fixedly connected with each other through a connecting bolt;
the anti-friction bearing is characterized in that a plurality of anti-friction bearings A are sleeved outside the output shaft, the anti-friction bearings A are in interference fit with the output shaft, and a reaction bearing is sleeved outside the anti-friction bearings A.
Further, an antifriction bearing B is sleeved outside the eccentric shaft sleeve, and the antifriction bearing B is arranged between the eccentric shaft sleeve and the transmission gear.
Further, the input shaft is provided with a groove, the eccentric shaft sleeve is provided with a protrusion, the protrusion is matched with the groove on the input shaft, and the input shaft is inserted into a key hole formed in the eccentric shaft sleeve.
Further, a shaft sealing disc is arranged on one side of the rear cover plate, and one end of the input shaft penetrates through the shaft sealing disc and is in driving connection with the driving motor.
Further, the baffle is sleeved on the input shaft, the transmission gear is arranged on one side of the baffle, the rear cover plate is arranged on the other side of the baffle, a sealing ring is fixedly connected to the inside of the baffle, and the sealing ring is sleeved on the input shaft.
Further, a plurality of key grooves are formed in the output shaft.
The invention has the advantages that: the invention provides a low-abrasion gear reducer which comprises an output shaft, an input shaft, a reducer shell and a transmission assembly, wherein the transmission assembly is arranged in the reducer shell, the input shaft and the output shaft are in transmission connection through the transmission assembly, the input shaft and a driving motor are in driving connection with each other.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of the present invention in an assembled state;
FIG. 2 is a schematic perspective view of the present invention;
wherein:
1. an output shaft; 2. An input shaft; 3. A key slot;
4. an oil seal end cover; 5. A connecting bolt A; 6. A speed reducer housing;
7. a reaction bearing; 8. Antifriction bearing A; 9. A groove;
10. a connecting bolt B; 11. A transmission gear; 12. A connecting pin;
13. a partition plate; 14. Antifriction bearing B; 15. An eccentric shaft sleeve;
16. a protrusion; 17. A connecting bolt; 18. An internal gear;
19. a driving motor; 20. A back cover plate; 21. A shaft seal disk;
22. a through hole; 23. A seal ring; 24. An elongated slot.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that unless explicitly stated and limited otherwise, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, but rather the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
fig. 1 is a schematic diagram of a cross-sectional structure of the invention in an assembled state, fig. 2 is a schematic diagram of a three-dimensional structure of the invention, and a low-wear gear reducer shown in fig. 1 and 2 comprises an output shaft 1, an input shaft 2, a reducer shell 6 and a transmission assembly, wherein the transmission assembly is arranged in the reducer shell 6, the input shaft 2 and the output shaft 1 are in transmission connection through the transmission assembly, a plurality of key grooves 3 are formed on the output shaft 1, the input shaft 2 and a driving motor 19 are in driving connection with each other, and the input shaft 2 can rotate under the driving of the driving motor 19;
according to the invention, one side of a speed reducer shell 6 is provided with an oil seal end cover 4, the oil seal end cover 4 is sleeved on the outer side of an output shaft 1, and the oil seal end cover 4 is fixedly connected with the speed reducer shell 6 through a connecting bolt A5; the transmission assembly comprises a transmission gear 11 and an internal gear 18, wherein the transmission gear 11 and the internal gear 18 are arranged on one side of the rear cover plate 20, the transmission gear 11 and the internal gear 18 are connected with each other through a connecting pin 12, the transmission gear 11 is sleeved on the outer side of the input shaft 2, an eccentric sleeve 15 is arranged between the transmission gear 11 and the input shaft 2, the eccentric sleeve 15 is sleeved on the input shaft 2, the internal gear 18 is positioned on one side of the output shaft 1, and the output shaft 18 and the internal gear 1 are connected with each other through a connecting bolt 17;
according to the invention, a plurality of antifriction bearings A8 are sleeved outside the output shaft 1, the antifriction bearings A8 are in interference fit with the output shaft 1, a reaction bearing 7 is sleeved outside the antifriction bearings A8, an antifriction bearing B14 is sleeved outside an eccentric shaft sleeve 15 in the invention, the antifriction bearing B14 is arranged between the eccentric shaft sleeve 15 and a transmission gear 11, and the reaction bearing 7 is sleeved outside the antifriction bearings A8, so that the problem of shaft diameter abrasion caused by shaft surface interference size failure in the rotation process of the output shaft 1 can be solved by matching the antifriction bearings A8 with the reaction bearing 7.
According to the invention, the input shaft 2 is provided with the groove 9, the eccentric shaft sleeve 15 is provided with the bulge 16, the bulge 16 is matched with the groove 9 on the input shaft 2, the input shaft 2 is inserted into a key hole formed in the eccentric shaft sleeve 15, the input shaft 2 is sleeved with the baffle 13, the transmission gear 11 is arranged on one side of the baffle 13, the rear cover plate 20 is arranged on the other side of the baffle 13, the inside of the baffle 13 is fixedly connected with the sealing ring 23, the sealing ring 23 is sleeved on the input shaft 2, and the joint between the input shaft 2 and the transmission assembly can be sealed through the sealing ring 23, so that the problem of oil leakage is prevented.
The working mode is as follows: the invention provides a low-wear gear reducer, which comprises an output shaft 1, an input shaft 2, a reducer shell 6 and a transmission assembly, wherein the transmission assembly is arranged in the reducer shell 6, the input shaft 2 and the output shaft 1 are in transmission connection through the transmission assembly, a plurality of key grooves 3 are formed in the output shaft 1, the input shaft 2 and a driving motor 19 are in mutual driving connection, the input shaft 2 can rotate under the driving of the driving motor 19, the input shaft 2 can be driven to rotate through the driving motor 19, the eccentric shaft sleeve 15 and the transmission gear 11 are driven to rotate through the input shaft 2, and the internal gear 18 is driven to synchronously rotate through the transmission gear 11 and a connecting pin 12, and because the internal gear 18 and the output shaft 1 are fixedly connected through the connecting bolt 17, the internal gear 18 can simultaneously drive the output shaft 1 to synchronously rotate under the driving of the transmission gear 11 and the connecting pin 12.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. The low-wear gear reducer comprises an output shaft (1), an input shaft (2), a reducer shell (6) and a transmission assembly, wherein the transmission assembly is arranged in the reducer shell (6), the input shaft (2) and the output shaft (1) are in transmission connection with each other through the transmission assembly, and the input shaft (2) and a driving motor (19) are in driving connection with each other;
the method is characterized in that: an oil seal end cover (4) is arranged on one side of the speed reducer shell (6), the oil seal end cover (4) is sleeved on the outer side of the output shaft (1), and the oil seal end cover (4) is fixedly connected with the speed reducer shell (6) through a connecting bolt A (5); a rear cover plate (20) is arranged on the other side of the speed reduction shell, a through hole (22) is formed in the rear cover plate (20), and the rear cover plate (20) is fixedly connected with the speed reduction shell through a connecting bolt B (10);
the transmission assembly comprises a transmission gear (11) and an internal gear (18), wherein the transmission gear (11) and the internal gear (18) are arranged on one side of the rear cover plate (20), the transmission gear (11) and the internal gear (18) are connected with each other through a connecting pin (12), the transmission gear (11) is sleeved on the outer side of the input shaft (2), an eccentric shaft sleeve (15) is arranged between the transmission gear (11) and the input shaft (2), the eccentric shaft sleeve (15) is sleeved on the input shaft (2), the internal gear (18) is positioned on one side of the output shaft (1), and the internal gear (18) and the output shaft (1) are fixedly connected with each other through a connecting bolt (17);
the anti-friction bearing is characterized in that a plurality of anti-friction bearings A (8) are sleeved outside the output shaft (1), the anti-friction bearings A (8) are in interference fit with the output shaft (1), and a reaction bearing (7) is sleeved outside the anti-friction bearings A (8).
2. A low wear gear reducer as defined in claim 1, wherein: the eccentric shaft sleeve (15) is sleeved with an antifriction bearing B (14), and the antifriction bearing B (14) is arranged between the eccentric shaft sleeve (15) and the transmission gear (11).
3. A low wear gear reducer as claimed in claim 2, wherein: the input shaft (2) is provided with a groove (9), the eccentric shaft sleeve (15) is provided with a bulge (16), the bulge (16) is matched with the groove (9) on the input shaft (2), and the input shaft (2) is inserted into a key hole formed in the eccentric shaft sleeve (15).
4. A low wear gear reducer as defined in claim 1, wherein: one side of the rear cover plate (20) is provided with a shaft sealing disc (21), and one end of the input shaft (2) penetrates through the shaft sealing disc (21) and is in driving connection with the driving motor (19).
5. A low wear gear reducer as defined in claim 1, wherein: the novel transmission device is characterized in that a baffle plate (13) is sleeved on the input shaft (2), the transmission gear (11) is arranged on one side of the baffle plate (13), the rear cover plate (20) is arranged on the other side of the baffle plate (13), a sealing ring (23) is fixedly connected to the inside of the baffle plate (13), and the sealing ring (23) is sleeved on the input shaft (2).
6. A low wear gear reducer as defined in claim 1, wherein: a plurality of key grooves (3) are formed in the output shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310553589.7A CN116498732A (en) | 2023-05-17 | 2023-05-17 | Low-abrasion gear reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310553589.7A CN116498732A (en) | 2023-05-17 | 2023-05-17 | Low-abrasion gear reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116498732A true CN116498732A (en) | 2023-07-28 |
Family
ID=87316439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310553589.7A Pending CN116498732A (en) | 2023-05-17 | 2023-05-17 | Low-abrasion gear reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116498732A (en) |
-
2023
- 2023-05-17 CN CN202310553589.7A patent/CN116498732A/en active Pending
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| PB01 | Publication | ||
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