CN110873129A - Telescopic crowned tooth coupling with oil-gas lubrication function - Google Patents
Telescopic crowned tooth coupling with oil-gas lubrication function Download PDFInfo
- Publication number
- CN110873129A CN110873129A CN201911302055.7A CN201911302055A CN110873129A CN 110873129 A CN110873129 A CN 110873129A CN 201911302055 A CN201911302055 A CN 201911302055A CN 110873129 A CN110873129 A CN 110873129A
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- oil
- shaft
- spline shaft
- gear ring
- telescopic
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
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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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a telescopic crowned tooth coupling with an oil-gas lubrication function, which comprises a spline shaft, wherein a roller end assembly and a shaft end assembly are respectively arranged at the left end and the right end of the spline shaft; at least one shaft end of the spline shaft matched roller end assembly or the first inner gear ring is provided with one or more oil channels for lubricating the roller end assembly along the axial direction; and one or more oil channels for lubricating the shaft end assembly are arranged at the other shaft end of the spline shaft matched with the shaft end assembly. According to the invention, the oil channels are formed at the two shaft ends of the spline shaft and the first inner gear ring, so that oil-gas lubrication can be performed on the roller end assemblies and the shaft end assemblies distributed at the two ends of the spline shaft, the workload of periodically supplementing grease is saved, the oil-gas lubrication effect is higher than that of periodically supplementing grease, the structure is utilized, the machine does not need to be stopped, oil gas can be continuously supplemented, and the service life of equipment is effectively prolonged.
Description
Technical Field
The invention relates to the field of couplings, in particular to a telescopic crowned tooth coupling with an oil-gas lubrication function.
Background
With the advance of infrastructure construction in China, the market demand of reinforcing steel bars such as bars and wires is increasing, and each bar and wire production line needs large-scale, efficient, continuous and high-precision rolling equipment, so that a new challenge is provided for related spare part industries. In order to meet the requirements of on-site production of high-precision and high-quality bar and wire steel bar products, mechanical transmission equipment needs to operate continuously and efficiently.
In the conventional coupling structure at present, grease needs to be periodically supplemented into an inner gear ring in order to prevent the wear of the tooth end contact surface of an inner gear ring and an outer gear shaft sleeve, and the mode of periodically supplementing the grease increases the human resource cost of enterprises and wastes time and labor; if the field maintenance time is short or the production task is heavy, grease is forgotten to be supplemented, so that the tooth end contact surface of the inner gear ring and the outer gear shaft sleeve is abraded, and the operation efficiency of an enterprise is reduced.
Disclosure of Invention
The applicant carries out research and improvement aiming at the existing problems and provides a telescopic crowned tooth coupling with an oil-gas lubrication function, which saves the workload of periodically supplementing grease, has good oil-gas lubrication effect and effectively prolongs the service life of an inner gear ring.
The technical scheme adopted by the invention is as follows:
a telescopic crowned tooth coupling with an oil-gas lubrication function comprises a spline shaft, wherein a roller end assembly and a shaft end assembly are respectively arranged at the left end and the right end of the spline shaft;
the specific structure of the roller end assembly is as follows:
the gear box comprises a first external gear shaft sleeve, a first internal gear ring, a top plate and a spring assembly, wherein one end of the first internal gear ring is provided with an internal ring groove, one end of the first external gear shaft sleeve is matched with the internal ring groove and is fixedly connected with one end of the top plate, and the other end of the top plate is connected with a spline shaft through the spring assembly; the other end of the first inner gear ring is also connected with a pressing component;
the specific structure of the shaft end assembly is as follows:
the gear transmission mechanism comprises a second external gear shaft sleeve and a second inner gear ring, wherein one end of the second external gear shaft sleeve is matched with an inner ring groove formed in one end of the second inner gear ring, and the other end of the second inner gear ring is used for being connected with an output shaft of a speed reducer;
at least one shaft end of the spline shaft matched roller end assembly or the first inner gear ring is provided with one or more oil channels for lubricating the roller end assembly along the axial direction;
and one or more oil channels for lubricating the shaft end assembly are arranged at the other shaft end of the spline shaft matched with the shaft end assembly.
The further technical scheme is as follows:
when a plurality of oil channels are formed in the first inner gear ring, all the oil channels are uniformly distributed by taking the axis of the first inner gear ring as the center;
when one oil channel is arranged on the first inner gear ring, the oil channel is arranged along the axis of the first inner gear ring;
oil channels arranged at two shaft ends of the spline shaft are coaxially arranged and communicated with each other;
oil channels arranged at two shaft ends of the spline shaft are different in shaft center and are not communicated with each other;
when the number of the oil channels of the spline shaft matched roller end assembly is multiple, all the oil channels are uniformly distributed by taking the axis of the spline shaft as the center;
when the oil channel of the spline shaft matched roller end assembly is one, the oil channel is arranged along the axis of the spline shaft;
when the number of the oil channels of the other shaft end of the spline shaft matched with the shaft end assembly is multiple, all the oil channels are uniformly distributed by taking the shaft center of the spline shaft as the center;
when the shaft end of the spline shaft matched with the other shaft end assembly is provided with one oil channel, the oil channel is arranged along the axis of the spline shaft;
the oil channels arranged on the first inner gear ring and at the two shaft ends of the spline shaft are any one of oil grooves or oil holes.
The invention has the following beneficial effects:
the oil-gas lubrication device is simple in structure and convenient to use, oil channels are formed in the two shaft ends of the spline shaft and the first inner gear ring, oil-gas lubrication can be performed on the roller end assemblies and the shaft end assemblies distributed at the two ends of the spline shaft, so that the workload of periodically supplementing grease is saved, the oil-gas lubrication effect is higher than that of periodically supplementing grease, the device does not need to be shut down by utilizing the structure, oil gas can be continuously supplemented, the service life of the device is effectively prolonged, and meanwhile bidirectional lubrication of the roller end assemblies and the shaft end assemblies can be achieved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a structural view of the first inner gear ring provided with a plurality of oil holes.
Fig. 3 is a structural diagram of the first inner gear ring provided with a plurality of oil grooves.
FIG. 4 is a structural view of the spline shaft of the present invention with a plurality of oil grooves formed at one axial end thereof.
FIG. 5 is a view showing the construction of the spline shaft of the present invention in which a plurality of oil holes are formed at one axial end thereof.
FIG. 6 is a view showing the construction of the spline shaft of the present invention in which one of the shaft ends is provided with an oil hole.
FIG. 7 is a view showing the construction of the spline shaft of the present invention in which a plurality of oil holes are formed at the other shaft end.
FIG. 8 is a view showing the construction of the spline shaft of the present invention in which an oil hole is formed at the other shaft end.
Fig. 9 is a schematic structural view of the first inner gear ring provided with an oil passage in the present invention.
FIG. 10 is a schematic structural view of the spline shaft of the present invention with an oil passage at one axial end.
Fig. 11 is a schematic view of oil channels formed at one shaft end of the spline shaft and the first inner gear ring in the invention.
FIG. 12 is a schematic view showing the coaxial oil channels on the spline shaft of the present invention.
FIG. 13 is a schematic view of the different shafts of the oil passages of the spline shaft of the present invention.
Wherein: 1. a first externally toothed sleeve; 2. a first ring gear; 201. a first oil passage; 202. an inner ring groove; 203. a first gland; 204. a first oil hole; 205. a first oil groove; 3. a top plate; 4. a spring assembly; 5. a sealing cover; 6. a ball retainer; 7. a second gland; 8. a round nut; 9. a gasket; 10. locking the nut; 11. a spline shaft; 1101. a second oil passage; 1102. a first radial oil passage; 1103. a second radial oil passage; 1104. a second oil groove; 1105. a second oil hole; 1106. a third oil hole; 1107. a third oil passage; 12. a third gland; 13. a second externally toothed sleeve; 14. a fourth gland; 15. a support ring; 16. a connecting disc; 17. a second ring gear; 18. and an output shaft of the speed reducer.
Detailed Description
The following describes specific embodiments of the present invention.
A telescopic crowned tooth shaft coupling with an oil-gas lubrication function comprises a spline shaft 11, wherein a roller end assembly and a shaft end assembly are respectively arranged at the left end and the right end of the spline shaft 11;
the specific structure of the roller end assembly is as follows:
as shown in fig. 1, the clutch comprises a first external gear sleeve 1, a first internal gear ring 2, a top plate 3 and a spring assembly 4, wherein an inner ring groove 202 is formed at one end of the first internal gear ring 2, and a first gland 203 is fixedly connected to one end of the first internal gear ring 2. One end of the first external gear shaft sleeve 1 is matched with the inner ring groove 202 and is fixedly connected with one end of the top plate 3, and the other end of the top plate 3 is connected with the spline shaft 11 through the spring assembly 4; the other end of the first inner gear ring 2 is also connected with a pressing component; the spring assembly 4 comprises an ejector rod, a disc spring and a nut, wherein the disc spring is sleeved on the outer ring of the ejector rod and extends into the mounting groove formed in the spline shaft 11. The pressing component comprises a ball retainer 6 matched with the shaft body of the spline shaft 11, one side of the ball retainer 6 is abutted with a sealing cover 5, and the inner ring of the sealing cover 5 is hermetically connected with the outer ring of the other end of the first inner gear ring 2 through a sealing ring; the other side of the ball retainer 6 is abutted with a second gland 7, the second gland 7 is matched with a round nut 8, and a gasket 9 and a lock nut 10 are tightly pressed on the end face of the round nut 8.
The specific structure of the shaft end component is as follows:
as shown in fig. 1, the planetary gear speed reducer comprises a second external gear shaft sleeve 13 and a second internal gear ring 17, wherein one end of the second external gear shaft sleeve 13 is matched with an inner ring groove 202 formed in one end of the second internal gear ring 17, and the other end of the second internal gear ring 17 is used for connecting an output shaft 18 of the speed reducer; as shown in fig. 1, the other end of the second external gear sleeve 13 is fixedly connected with a third gland 12, and the third gland 12 is matched with the outer ring of the spline shaft 11; the upper outer ring of the second external gear shaft sleeve 13 is abutted to a fourth gland 14 through a support ring 15, the fourth gland 14 is fixedly connected to one end of a second internal gear ring 17, the lower outer ring of the second external gear shaft sleeve 13 is also abutted to the inner ring of the second internal gear ring 17 through the support ring 15, and a connecting disc 16 for connecting a reducer output shaft 18 is further matched inside the second internal gear ring 17.
As shown in fig. 1, at least one shaft end of the spline shaft 11 at which the roller end assembly is engaged (the left end of the spline shaft 11 in fig. 1) is provided with one or more second oil passages 1101 for lubricating the roller end assembly in the axial direction, or one or more first oil passages 201 for lubricating the roller end assembly in the axial direction are provided in the first ring gear 2.
As shown in fig. 2 or 3, when there are a plurality of first oil passages 201 provided in the first ring gear 2, each first oil passage 201 is uniformly distributed around the axis of the first ring gear 2. As shown in fig. 2, the first oil passage 201 employs a first oil hole 204, and as shown in fig. 3, the first oil passage 201 employs a first oil groove 205. When there is one first oil passage 201 provided in the first ring gear 2, the first oil passage 201 is provided along the axis of the first ring gear 2.
As shown in fig. 4 and 5, when there are a plurality of second oil passages 1101 opened at one shaft end (the left end of the spline shaft 11 in fig. 1) of the spline shaft 11 at the mating roller end assembly, each of the second oil passages 1101 is uniformly distributed around the shaft center of the spline shaft 11. As shown in fig. 5, the second oil passage 1101 employs a second oil hole 1105, and as shown in fig. 4, the second oil passage 1101 employs a second oil groove 1104. When there is one second oil passage 1101 provided at one shaft end (the left end of the spline shaft 11 in fig. 1) of the spline shaft 11 at the mating roller end assembly, as shown in fig. 6, the second oil passage 1101 is provided along the axial center of the first ring gear 2, and the second oil passage 1101 in fig. 6 uses a second oil hole 1105. In order to make the lubricating grease at the ball retainer 6 smoothly enter the second oil passage 1101, a first radial oil passage 1102 is radially opened at one shaft end of the spline shaft 11, which is matched with the roller end assembly, near the ball retainer 6, and the first radial oil passage 1102 is communicated with the second oil passage 1101.
As shown in fig. 1 and 7, when there are a plurality of third oil passages 1107 at the other shaft end (the right end of the spline shaft 11 in fig. 1) of the spline shaft 11 to which the shaft end assembly is fitted, each third oil passage 1107 is uniformly distributed around the shaft center of the spline shaft 11, and as shown in fig. 7, each third oil passage 1107 is a third oil hole 1106. When the spline shaft 11 is matched with one third oil channel 1107 at the other shaft end of the shaft end assembly, the third oil channel 1107 is opened along the shaft center of the spline shaft 11, as shown in fig. 8, the third oil channel 1107 is also a third oil hole 1106, in order to enable lubricating grease to enter a cavity of the reducer output shaft 18 for lubrication, a second radial oil channel 1103 is also opened at the other shaft end of the third oil channel 1107 close to the spline shaft 11 along the radial direction, and the second radial oil channel 1103 is communicated with the third oil channel 1107.
Example 1 (roll end assembly lubrication):
when the roller end assembly needs to be lubricated, as shown in fig. 1 and 9, one or more first oil channels 201 are formed in the first inner gear ring 2, oil gas is continuously supplemented into the ball retainer 6 through an external oil path, the oil gas flows into the matching part of the sealing cover 5 and the first inner gear ring 2 through the ball retainer 6, and the oil gas flows into the inner ring groove 202 of the first inner gear ring 2 as shown by an arrow in fig. 9, so that the contact surface of the first inner gear ring 2 and the first outer gear sleeve 1 is lubricated.
Example 2 (roll end assembly lubrication):
when the roll end assembly needs to be lubricated, as shown in fig. 1 and 10, when one or more second oil channels 1101 are axially formed at one shaft end of the spline shaft 11, oil gas is continuously supplemented into the ball retainer 6 through an external oil path, the oil gas flows into the matching part of the sealing cover 5 and the first inner gear ring 2 through the ball retainer 6, flows into the first radial oil channel 1102 and the second oil channel 1101 in the direction shown by the arrow in fig. 10, and finally flows into the inner ring groove 202 of the first inner gear ring 2 as shown in fig. 1, so that the contact surface of the first inner gear ring 2 and the first outer gear sleeve 1 is lubricated.
Example 3 (roll end assembly lubrication):
when lubrication of the roller end assembly is required, as shown in fig. 1 and 11, oil gas is continuously supplemented into the ball retainer 6 through the external oil path, the oil gas flows into the matching part of the sealing cover 5 and the first inner gear ring 2 through the ball retainer 6, and then flows into the inner ring groove 202 of the first inner gear ring 2 from the first oil passage 201 or the first radial oil passage 1102 and the second oil passage 1101 respectively, so that the contact surfaces of the first inner gear ring 2 and the first outer gear sleeve 1 are lubricated.
Example 4 (shaft end Assembly, roller end Assembly Dual lubrication, oil passage non-coaxial)
When lubrication is needed for the shaft assembly, as shown in fig. 1 and 12, oil gas is continuously supplemented into the ball retainer 6 through an external oil path, the oil gas flows into the matching position of the sealing cover 5 and the first annular gear 2 through the ball retainer 6, then flows into the second oil channel 1101 and the third oil channel 1107 through the first radial oil channel 1102 respectively, and as shown in fig. 1, the oil gas entering the third oil channel 1107 flows into the cavity of the reducer output shaft 18 through the second radial oil channel 1103 to realize lubrication. As shown in fig. 1, the lubricating grease entering the second oil passage 1101 flows into the inside of the inner ring groove 202 of the first ring gear 2, thereby lubricating the contact surfaces of the first ring gear 2 and the first outer hub 1.
Example 5 (shaft end Assembly, roller end Assembly Dual lubrication, oil passage coaxial)
When lubrication is needed for the shaft assembly, as shown in fig. 1 and 12, oil gas is continuously supplemented into the ball retainer 6 through an external oil path, the oil gas flows into the matching position of the sealing cover 5 and the first annular gear 2 through the ball retainer 6, then flows into the second oil channel 1101 and the third oil channel 1107 through the first radial oil channel 1102 respectively, and as shown in fig. 1, the oil gas entering the third oil channel 1107 flows into the cavity of the reducer output shaft 18 through the second radial oil channel 1103 to realize lubrication. As shown in fig. 1, the oil gas introduced into the second oil passage 1101 flows into the inner ring groove 202 of the first ring gear 2, thereby lubricating the contact surfaces of the first ring gear 2 and the first outer spline 1. In this embodiment, the first radial oil passages 1102 are symmetrically distributed around the axial center of the spline shaft 11, one of the first radial oil passages 1102 is communicated with the second oil passage 1101, and the other first radial oil passage 1102 is communicated with the third oil passage 1107.
The oil-gas lubrication device is simple in structure and convenient to use, oil channels are formed in the two shaft ends of the spline shaft and the first inner gear ring, oil-gas lubrication can be performed on the roller end assemblies and the shaft end assemblies distributed at the two ends of the spline shaft, so that the workload of periodically supplementing grease is saved, the oil-gas lubrication effect is higher than that of periodically supplementing grease, the device does not need to be shut down by utilizing the structure, oil gas can be continuously supplemented, the service life of the device is effectively prolonged, and meanwhile bidirectional lubrication of the roller end assemblies and the shaft end assemblies can be achieved.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure thereof.
Claims (10)
1. A telescopic crowned tooth coupling with an oil-gas lubrication function comprises a spline shaft (11), wherein a roller end assembly and a shaft end assembly are respectively arranged at the left end and the right end of the spline shaft (11); the method is characterized in that:
the specific structure of the roller end assembly is as follows:
the gear transmission mechanism comprises a first external gear shaft sleeve (1), a first internal gear ring (2), a top plate (3) and a spring assembly (4), wherein one end of the first internal gear ring (2) is provided with an inner ring groove (202), one end of the first external gear shaft sleeve (1) is matched with the inner ring groove (202) and is fixedly connected with one end of the top plate (3), and the other end of the top plate (3) is connected with a spline shaft (11) through the spring assembly (4); the other end of the first inner gear ring (2) is also connected with a pressing component;
the specific structure of the shaft end assembly is as follows:
the transmission device comprises a second external gear shaft sleeve (13) and a second inner gear ring (17), wherein one end of the second external gear shaft sleeve (13) is matched with an inner ring groove formed in one end of the second inner gear ring (17), and the other end of the second inner gear ring (17) is used for connecting a reducer output shaft (18);
at least one shaft end of the spline shaft (11) matched with the roller end component or one or more oil channels used for lubricating the roller end component are arranged on the first inner gear ring (2) along the axial direction;
and one or more oil channels for lubricating the shaft end assembly are arranged at the other shaft end of the spline shaft (11) matched with the shaft end assembly.
2. The telescopic crowned tooth coupling with oil-air lubrication of claim 1, wherein: when the oil channels arranged on the first inner gear ring (2) are multiple, all the oil channels are uniformly distributed by taking the axis of the first inner gear ring (2) as the center.
3. The telescopic crowned tooth coupling with oil-air lubrication of claim 1, wherein: when the number of the oil channels arranged on the first inner gear ring (2) is one, the oil channels are arranged along the axis of the first inner gear ring (2).
4. The telescopic crowned tooth coupling with oil-air lubrication of claim 1, wherein: the oil channels arranged at the two shaft ends of the spline shaft (11) are coaxially arranged and communicated with each other.
5. The telescopic crowned tooth coupling with oil-air lubrication of claim 1, wherein: the oil channels arranged at the two shaft ends of the spline shaft (11) are different in shaft center and are not communicated with each other.
6. The telescopic crowned tooth coupling with oil-air lubrication of claim 1, wherein: when the spline shaft (11) is matched with the roller end assembly, a plurality of oil channels are uniformly distributed by taking the axis of the spline shaft (11) as the center.
7. The telescopic crowned tooth coupling with oil-air lubrication of claim 1, wherein: when the spline shaft (11) is matched with the oil channel of the roller end assembly to form a strip, the oil channel is formed along the axis of the spline shaft (11).
8. The telescopic crowned tooth coupling with oil-air lubrication of claim 1, wherein: when the spline shaft (11) is matched with the shaft end at the other position of the shaft end assembly, a plurality of oil channels are uniformly distributed by taking the shaft center of the spline shaft (11) as the center.
9. The telescopic crowned tooth coupling with oil-air lubrication of claim 1, wherein: when the spline shaft (11) is matched with the other shaft end of the shaft end assembly, the oil channel is arranged along the axis of the spline shaft (11).
10. The telescopic crowned tooth coupling with oil-air lubrication function of any claim 1 to 9, characterized in that: the oil channels arranged on the first inner gear ring (2) and at the two shaft ends of the spline shaft (11) are oil grooves or oil holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911302055.7A CN110873129A (en) | 2019-12-17 | 2019-12-17 | Telescopic crowned tooth coupling with oil-gas lubrication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911302055.7A CN110873129A (en) | 2019-12-17 | 2019-12-17 | Telescopic crowned tooth coupling with oil-gas lubrication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110873129A true CN110873129A (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911302055.7A Pending CN110873129A (en) | 2019-12-17 | 2019-12-17 | Telescopic crowned tooth coupling with oil-gas lubrication function |
Country Status (1)
| Country | Link |
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| CN (1) | CN110873129A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524167A (en) * | 2020-12-22 | 2021-03-19 | 泰尔重工股份有限公司 | Drum-shaped gear coupling with axial large-expansion function |
| CN113909306A (en) * | 2021-09-26 | 2022-01-11 | 泰尔重工股份有限公司 | Thin oil double-circulation crowned tooth connecting shaft capable of being stretched in loading mode |
-
2019
- 2019-12-17 CN CN201911302055.7A patent/CN110873129A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524167A (en) * | 2020-12-22 | 2021-03-19 | 泰尔重工股份有限公司 | Drum-shaped gear coupling with axial large-expansion function |
| CN112524167B (en) * | 2020-12-22 | 2021-10-15 | 泰尔重工股份有限公司 | Drum-shaped gear coupling with axial large-expansion function |
| CN113909306A (en) * | 2021-09-26 | 2022-01-11 | 泰尔重工股份有限公司 | Thin oil double-circulation crowned tooth connecting shaft capable of being stretched in loading mode |
| CN113909306B (en) * | 2021-09-26 | 2024-02-06 | 泰尔重工股份有限公司 | Thin oil double-circulation crowned tooth connecting shaft capable of loading and expanding |
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