CN111692220A - High-efficient lubricated gear coupling - Google Patents
High-efficient lubricated gear coupling Download PDFInfo
- Publication number
- CN111692220A CN111692220A CN202010696278.2A CN202010696278A CN111692220A CN 111692220 A CN111692220 A CN 111692220A CN 202010696278 A CN202010696278 A CN 202010696278A CN 111692220 A CN111692220 A CN 111692220A
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- Prior art keywords
- gear
- oil
- ring
- sleeve
- gear sleeve
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
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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 discloses a gear coupling with efficient lubrication, relates to the technical field of couplings, and aims to solve the problems that the conventional gear coupling is low in lubrication efficiency and lubricating oil is easy to throw out during working; the oil-filling type hydraulic oil-filling machine comprises an inner gear ring and an outer gear sleeve, wherein the outer gear sleeve is arranged at one end of a shaft and is fixedly connected with the shaft through a flat key, the middle part of the outer gear sleeve is a meshing area, the outer gear sleeve is arranged in the inner gear ring and is meshed with the inner gear ring, the outer end of the outer gear sleeve extends out of the inner gear ring, a circle of groove is arranged on the inner side of the meshing area, an oil cavity is arranged between the wall of the groove and the shaft, an L-shaped oil path is arranged inside the outer end of the outer gear sleeve, one end of the L-shaped oil path penetrates through the periphery of the outer end and is provided with a plug, the other end of; the lubricating grease has high lubricating efficiency, is not easy to throw out, and saves resources and cost.
Description
Technical Field
The invention relates to the technical field of couplings, in particular to a gear coupling with efficient lubrication.
Background
Compared with other types of couplings, the gear coupling has certain axial displacement and angular displacement and can compensate offset and alleviate impact, so the gear coupling is widely applied to various mechanical equipment; in order to avoid the tooth surface abrasion and breakage, lubricating grease is added into the gear coupling.
At present, an oil hole is processed on an inner gear ring of a gear coupling, grease is injected into a cavity between an outer gear sleeve and the inner gear ring of the gear coupling by an oil filling pump, but only a small amount of grease can enter the meshing part of inner teeth and outer teeth due to the long meshing teeth of the inner teeth and the outer teeth and the small meshing gap, and most of the grease is stored in the cavity, so that the lubricating efficiency is not high; and because the O-shaped ring is adopted for sealing between the outer gear sleeve and the inner gear ring of the gear coupling, when the outer gear sleeve and the inner gear ring move relatively to the axial direction, the O-shaped ring is easy to damage, so that the sealing effect is poor, when the gear coupling runs at high speed, grease in a cavity of the coupling is easy to throw out, so that the gear coupling lacks grease, the faults such as tooth abrasion and breakage are easy to cause, frequent oiling maintenance is needed, the trouble is caused, the peripheral environment of equipment is severe, and great influence is brought to the running, production safety and environmental protection of the equipment, so that the problems are urgently solved by a high-efficiency lubricating gear coupling.
Disclosure of Invention
The invention aims to provide a high-efficiency lubricating gear coupling, which aims to solve the problems that the existing gear coupling is low in lubricating efficiency and lubricating oil is easy to throw out during working.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency lubricating gear coupling comprises two groups of inner gear rings and outer gear sleeves, wherein the outer gear sleeves of each group are respectively arranged at one end of two shafts which are mutually driven and are fixedly connected with the two shafts through flat keys, a circle of inner teeth are arranged on the inner side of the middle part of each inner gear ring, the middle part of each outer gear sleeve is a meshing area, the outer side of the outer gear sleeve is provided with a circle of outer teeth, the outer gear sleeve is arranged in the inner gear ring and is meshed with the inner gear ring, the outer end of the outer gear sleeve extends out of the inner gear ring, the two inner gear rings are fixedly connected through a plurality of bolts, one end of the inner gear ring, which is far away from the other inner gear ring, is fixedly provided with a circular gland, the inner side of a meshing area is provided with a circle of groove, an oil cavity is arranged between the wall of the groove and a shaft, the inner part of the outer end of the outer gear sleeve is provided with an, the other end of the oil cavity is communicated with the groove, and the meshing area is provided with a plurality of oil filling holes communicated with the joint of the oil cavity and the inner gear ring as well as the outer gear sleeve.
Preferably, the diameter of the oil filling hole is smaller than the outer tooth root spacing of the outer gear sleeve.
Preferably, one end of the oil filling hole is located at the outer tooth bottom, and the other end of the oil filling hole is located in the middle of the bottom of the groove at the meshing area.
Preferably, the centre line of the oil filling hole is perpendicular to the centre line of the outer gear sleeve and is in the same plane with the centre line of the outer gear sleeve.
Preferably, the number of the oil filling holes is equal to one fourth of the number of the outer teeth of the outer gear sleeve, and four outer teeth are arranged between two adjacent oil filling holes.
Preferably, the shaft is in interference fit with the outer gear sleeve, the flat key is in interference fit with the key groove of the shaft, and the flat key is in interference fit with the key groove of the outer gear sleeve.
Preferably, the annular inner side of the gland is provided with a circle of arc-shaped groove, a sealing ring is arranged in the arc-shaped groove, and the sealing ring is in close contact with the outer end.
Compared with the prior art, the invention has the beneficial effects that:
1. this high-efficient lubricated gear coupling sets up the oil pocket in the inside of outer tooth cover to through L shape oil circuit intercommunication outer end, change from current outside fuel feeding for inside fuel feeding, the rethread tank filler sleeve supplies oil to inside and outside tooth meshing department with the accuracy, and is lubricated efficient, and inside grease is difficult for throwing away.
2. This high-efficient lubricated gear coupling, it is rotatory at a high speed at the during operation, produce centrifugal force, lubricating grease in the oil pocket is supplied with to interior external tooth meshing department along the tank filler hole continuously, and lubricating grease rate of utilization is high, practices thrift the cost.
Drawings
FIG. 1 is a schematic perspective view of a set of inner and outer gear rings of the present invention;
FIG. 2 is a front view of a set of inner and outer gear rings of the present invention;
FIG. 3 is a schematic sectional view taken along the direction H-H in FIG. 1;
FIG. 4 is a front view of the outer shell according to the present invention;
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a schematic front view of the ring gear of the present invention;
FIG. 7 is a schematic cross-sectional view taken along line B-B of FIG. 6;
fig. 8 is a schematic view of the internal structure of a conventional tooth coupling.
In the figure: 1. an inner gear ring; 2. an outer gear sleeve; 21. an engagement region; 22. an outer end; 3. a flat bond; 4. a shaft; 5. a gland; 6. a seal ring; 7. an L-shaped oil path; 8. a plug; 9. an oil chamber; 10. an oil filling hole; 11. and an outer tooth bottom.
Detailed Description
Fig. 8 shows a sectional structure of a tooth coupling in the prior art, and it can be seen from the figure that the oil injection position is straight and is directly conducted to one side of the meshing position, an oil storage cavity is formed among the gland, the seal ring, the inner gear ring and the outer gear sleeve, and lubricating oil is difficult to flow from the oil storage cavity to the other side of the meshing position, so that the lubricating efficiency is not high; and when the coupler rotates at a high speed to work, once the sealing ring is slightly abraded or displaced, lubricating grease splashes out, so that the waste is caused, the environment is polluted, peripheral equipment is influenced, the general temperature is high during the operation of the equipment, and potential safety hazards are caused due to the flammable grease, so that the inventor improves the conventional tooth coupler.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1 to 7, a high-efficiency lubricated gear coupling comprises two groups of inner gear rings 1 and outer gear sleeves 2, wherein the outer gear sleeves 2 of each group are respectively arranged at one end of two shafts 4 which are mutually driven and fixedly connected with the ends through flat keys 3, the inner side of the middle part of each inner gear ring 1 is provided with a circle of inner teeth, the middle part of each outer gear sleeve 2 is a meshing area 21, the outer side of each outer gear sleeve is provided with a circle of outer teeth, the outer gear sleeves 2 are arranged in the inner gear rings 1 and are meshed with the inner gear rings, the outer ends 22 of the outer gear sleeves 2 extend out of the inner gear rings 1, the two inner gear rings 1 are fixedly connected through a plurality of bolts, one end of each inner gear ring 1 far away from the other inner gear ring 1 is fixedly provided with a circular gland 5, the inner side of each meshing area 21 is provided with a circle of grooves, oil cavities 9 are arranged between the groove walls and the shafts 4, because, the flat key 3 is also in interference fit with a key groove of the outer gear sleeve 2, so that the oil cavity 9 is not easy to leak oil and the oil is not easy to throw off when in work, an L-shaped oil path 7 is arranged inside an outer end 22 of the outer gear sleeve 2, one end of the L-shaped oil path 7 penetrates through the periphery of the outer end 22 and is provided with a plug 8, the other end of the L-shaped oil path is communicated with a groove, generally, the plug 8 is in threaded connection with the L-shaped oil path 7, but the L-shaped oil path 7 can be plugged for preventing oil leakage, a plurality of oil filling holes 10 which are communicated with the joint of the oil cavity 9 with the inner gear ring 1 and the teeth of the outer gear sleeve 2 are arranged in a meshing area 21, in order to ensure the accurate position of the oil filling holes 10 and not influence on meshing and tooth root strength, drilling processing can be carried out between two adjacent teeth of the outer gear sleeve 2, the diameter of the oil filling holes 10 is smaller than the tooth root interval of the outer gear sleeve, in order to prevent the oil filling holes 10 from being easily blocked due to overlong length, the central line of the oil filling holes 10 is perpendicular to the central line of the outer gear sleeve 2 and is in the same plane with the central line, the number of the oil filling holes 10 can be selected according to the number of teeth and the modulus of the outer gear sleeve 2, but generally, the number of the oil filling holes 10 can be equal to one fourth of the number of the teeth outside the outer gear sleeve 2, namely, four outer teeth are arranged between every two adjacent oil filling holes 10; in order to further prevent the grease from being thrown out, like the prior art, a circle of arc-shaped groove is arranged on the inner side of the circular ring of the gland 5, a sealing ring 6 is arranged in the arc-shaped groove, and the sealing ring 6 is tightly contacted with the outer end 22.
The working principle is as follows:
when oil needs to be added, the plug 8 is taken down, lubricating grease is added into the oil cavity 9 through the L-shaped oil path 7 by using the oil adding pump, and the grease is accurately supplied to the meshing position of the inner teeth and the outer teeth through the oil adding hole 10 at the bottom of the groove of the oil cavity 9, so that the lubricating efficiency is ensured; during operation, gear coupling high-speed rotation, in oil pocket 9 inside persisting grease continuously got rid of into tank filler sleeve 10 by centrifugal force under the centrifugal force effect, along with the gradual consumption of interior external teeth meshing department grease, because of tank filler sleeve 10 diameter is less than external tooth root interval, so can slowly and continuously to the accurate fuel feeding of interior external teeth meshing department, improved lubricated efficiency, reduced grease consumption.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (7)
1. The utility model provides a high-efficient lubricated gear coupling, including two sets of ring gear (1) and outer tooth cover (2), outer tooth cover (2) of each group are installed respectively in two root axis (4) mutual drive's one end and pass through parallel key (3) fixed connection rather than, ring gear (1) middle part inboard is equipped with the round internal tooth, the middle part of outer tooth cover (2) is meshing district (21), its outside is equipped with the round external tooth, outer tooth cover (2) are installed in ring gear (1) and are rather than the meshing, the outside of ring gear (1) is stretched out in outer end (22) of outer tooth cover (2), two ring gear (1) are through a plurality of bolt fixed connection, ring gear (1) keep away from the one end of another ring gear (1) and have set firmly annular gland (5), its characterized in that: the inner side of the meshing area (21) is provided with a circle of grooves, an oil cavity (9) is arranged between the groove wall and the shaft (4), an L-shaped oil way (7) is arranged inside the outer end (22) of the outer gear sleeve (2), one end of the L-shaped oil way (7) penetrates through the periphery of the outer end (22) and is provided with a plug (8), the other end of the L-shaped oil way is communicated with the grooves, and the meshing area (21) is provided with a plurality of oil filling holes (10) which are communicated with the connection positions of the oil cavity (9) and the inner gear ring (1) and the teeth of.
2. An efficient lubrication gear coupling as set forth in claim 1 wherein: the diameter of the oil filling hole (10) is smaller than the tooth root spacing of the external teeth of the external gear sleeve (2).
3. An efficient lubrication gear coupling as set forth in claim 2 wherein: one end of the oil filling hole (10) is positioned at the outer tooth bottom (11), and the other end of the oil filling hole is positioned in the middle of the bottom of the groove at the meshing area (21).
4. A highly efficient lubricated gear coupling according to claim 3, wherein: the central line of the oil filling hole (10) is perpendicular to the central line of the outer gear sleeve (2) and is in the same plane with the central line.
5. An efficient lubrication gear coupling as set forth in claim 4 wherein: the number of the oil filling holes (10) is equal to one fourth of the number of the outer teeth of the outer gear sleeve (2), and four outer teeth are arranged between two adjacent oil filling holes (10).
6. An efficient lubrication gear coupling according to any one of claims 1 to 5, wherein: the shaft (4) is in interference fit with the outer gear sleeve (2), the flat key (3) is in interference fit with a key groove of the shaft (4), and the flat key (3) is in interference fit with the key groove of the outer gear sleeve (2).
7. An efficient lubrication gear coupling as claimed in claim 6, wherein: the annular inner side of the gland (5) is provided with a circle of arc-shaped groove, a sealing ring (6) is arranged in the arc-shaped groove, and the sealing ring (6) is in close contact with the outer end (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696278.2A CN111692220A (en) | 2020-07-20 | 2020-07-20 | High-efficient lubricated gear coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696278.2A CN111692220A (en) | 2020-07-20 | 2020-07-20 | High-efficient lubricated gear coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692220A true CN111692220A (en) | 2020-09-22 |
Family
ID=72485911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010696278.2A Pending CN111692220A (en) | 2020-07-20 | 2020-07-20 | High-efficient lubricated gear coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692220A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196911A (en) * | 2020-11-09 | 2021-01-08 | 中国船舶重工集团公司第七0三研究所 | Lubricating device for high-speed gear type coupler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1089371A (en) * | 1996-09-19 | 1998-04-07 | Sumitomo Metal Ind Ltd | Gear type flexible shaft coupling for railway rolling stock |
| CN200968361Y (en) * | 2006-11-17 | 2007-10-31 | 郭洪荣 | Position shifted gear coupling |
| JP2011021619A (en) * | 2009-07-13 | 2011-02-03 | Seisa Gear Ltd | Gear coupling |
| CN202746424U (en) * | 2012-05-14 | 2013-02-20 | 杭州纽创工业设计有限公司 | Gear coupler structure for crane |
| CN202914676U (en) * | 2012-09-21 | 2013-05-01 | 上海索达传动机械有限公司 | Gearbox sun wheel |
| CN205503800U (en) * | 2016-03-28 | 2016-08-24 | 长春德尔邦汽车部件有限公司 | A shaft coupling that is used for agglomeration machine equipment |
-
2020
- 2020-07-20 CN CN202010696278.2A patent/CN111692220A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1089371A (en) * | 1996-09-19 | 1998-04-07 | Sumitomo Metal Ind Ltd | Gear type flexible shaft coupling for railway rolling stock |
| CN200968361Y (en) * | 2006-11-17 | 2007-10-31 | 郭洪荣 | Position shifted gear coupling |
| JP2011021619A (en) * | 2009-07-13 | 2011-02-03 | Seisa Gear Ltd | Gear coupling |
| CN202746424U (en) * | 2012-05-14 | 2013-02-20 | 杭州纽创工业设计有限公司 | Gear coupler structure for crane |
| CN202914676U (en) * | 2012-09-21 | 2013-05-01 | 上海索达传动机械有限公司 | Gearbox sun wheel |
| CN205503800U (en) * | 2016-03-28 | 2016-08-24 | 长春德尔邦汽车部件有限公司 | A shaft coupling that is used for agglomeration machine equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196911A (en) * | 2020-11-09 | 2021-01-08 | 中国船舶重工集团公司第七0三研究所 | Lubricating device for high-speed gear type coupler |
| CN112196911B (en) * | 2020-11-09 | 2023-07-21 | 中国船舶重工集团公司第七0三研究所 | Lubricating device for high-speed gear type coupling |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200922 |