CN112283320B - Gear capable of preventing lubricating liquid in oil distribution groove from rapidly losing - Google Patents
Gear capable of preventing lubricating liquid in oil distribution groove from rapidly losing Download PDFInfo
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- CN112283320B CN112283320B CN202011304440.8A CN202011304440A CN112283320B CN 112283320 B CN112283320 B CN 112283320B CN 202011304440 A CN202011304440 A CN 202011304440A CN 112283320 B CN112283320 B CN 112283320B
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- oil
- groove
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- ring
- oil distribution
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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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
- F16H57/0431—Means for guiding lubricant directly onto a tooth surface or to foot areas of a gear, e.g. by holes or grooves in a tooth flank
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Gears, Cams (AREA)
Abstract
The application discloses avoid distributing gear that oil groove lubricated liquid runs off fast belongs to machinery. The utility model provides an avoid distributing gear that oil groove lubricated liquid runs off fast, including the oil groove gear, cam ring and elastic rod, annular oil distribution groove has been seted up in the oil groove gear, it has an oil outlet groove to communicate between oil distribution groove and the tooth's socket, oil outlet groove evenly distributed is between each tooth's socket and oil distribution groove, the cam ring is located oil distribution groove, the cam ring includes macrocyclic ring and ringlet, the cam ring focus is located macrocyclic ring, macrocyclic ring outer wall keeps the clearance with the outer rampart of oil distribution groove, it can realize that the vertical oil groove gear of putting does not lose the incessant lubricated effect of oil distribution groove, still can effectively guarantee the lubrication of tooth when oil groove gear work, do not lead to the fact the influence to the intensity of tooth, effectively guarantee the stability of oil groove gear at during operation cam ring, oil groove gear lubricating oil can not cause worthless loss when stall.
Description
Technical Field
The application belongs to the field of machinery, and more specifically relates to a gear that avoids joining in marriage quick loss of oil groove lubricated liquid.
Background
Gear transmission is an important mode of mechanical transmission, people invent gears thousands of years ago, although people improve gears, the problems of abrasion and heating of the gears exist all the time, ancestors design a plurality of methods to reduce the problems of abrasion and heating, and the method for lubricating the gears by using lubricating oil has good effect, so the gear lubricating method is popularized and popularized;
however, the problems of inaccurate lubrication position and uneven lubrication always exist due to the existence of unavoidable forces such as gravity, centrifugal force and the like;
in the prior art, the scheme for improving the precision of the lubricating position generally comprises the steps of positioning oil injection by using a pipeline, and arranging an oil outlet or an oil distribution groove on a rotating shaft of a gear; the scheme of pipeline positioning oil injection is high in cost and needs extra energy, a blind area exists in a complex gear system, and an improvement space exists; the mode of arranging the oil outlet hole has the problem that the oil outlet position and the gear synchronously rotate, so that the oil outlet hole moves relative to the ground, but the transmission contact position of the gear is not moved relative to the ground, so that the oil outlet continuity of the gear meshing position is not high, an intermittent phenomenon exists, and an improvement space exists; set up the gear of joining in marriage the oil groove when the gear rotates, will join in marriage the lubricating oil in the oil groove and throw away outside the gear through centrifugal action, lubricating oil jets out the back direct action on the flank of tooth from the slot, it is low that it has contact pressure between lubricating oil and the gear to join in marriage the gear operation principle of oil groove, heat conduction efficiency is low, because high-speed gear's centrifugal effect is big when applying to high-speed gear, lead to the lubrication efficiency low, lubricating oil is used for lubricated efficiency extremely low, lead to the gear to receive the time of lubrication action extremely short, gear wear rate is very fast, there is the space of improvement in the technique.
Content of application
1. Technical problem to be solved
To the problem that exists among the prior art, the aim at of this application provides an avoid distributing gear that oil groove lubricating fluid runs off fast, and it can realize that the vertical oil groove gear of putting does not lose the incessant lubricated effect of oil groove, still can effectively guarantee the lubrication of tooth when oil groove gear during operation, does not cause the influence to the meshing intensity of tooth, effectively guarantees oil groove gear at the stability of during operation cam ring, and oil groove gear lubricating oil can not cause worthless loss when stall.
2. Technical scheme
In order to solve the above problems, the present application adopts the following technical solutions.
Compared with the prior art, the gear capable of preventing the lubricating fluid in the oil distribution groove from rapidly losing comprises the oil groove gear, a cam ring and an elastic rod.
An annular oil distribution groove is formed in the oil groove gear, lubricating oil is arranged in the oil distribution groove, an oil outlet groove is communicated between the oil distribution groove and the tooth grooves, and the oil outlet grooves are uniformly distributed between the tooth grooves and the oil distribution groove.
The cam ring is located the oil distribution groove, the cam ring comprises a large ring and a small ring, the gravity center of the cam ring is located the large ring, the outer wall of the large ring and the outer annular wall of the oil distribution groove keep a gap, the outer wall of the small ring is abutted to the outer annular wall of the oil distribution groove, and the outer wall of the small ring is closed to an oil outlet groove opening located on the lower side of the outer annular wall of the oil distribution groove.
The elastic rod is fixedly connected between the inner wall of the cam ring and the inner ring wall of the oil distribution groove.
Furthermore, the elastic rod is located the radial direction of oil distribution groove, and the elastic rod only allows to stretch out and draw back along the elastic rod axis direction, makes the cam ring only can produce the plane along the elastic rod axis direction and remove, effectively avoids the collision of cam ring and oil distribution groove inner wall, effectively guarantees the life of cam ring and elastic rod.
Further, the elastic rod includes elastic rod and elastic rod down, goes up elastic rod fixed connection between big ring inner wall arc top and oil distribution groove inner ring wall, and lower elastic rod fixed connection is between ring inner wall arc bottom and oil distribution groove inner ring wall in the ringlet, and the reinforcing oil groove gear is at the stability of during operation cam ring.
Further, cam ring material hardness is less than oil groove gear material hardness, effectively avoids "the cam ring to cause the injury to following out the oil groove and contrary oil groove opening after touching with the long-term butt of oil distribution groove, leads to lubricating oil can't reach tooth department through oil groove, loses the emergence of the condition of lubricity".
Further, the outer arc top of the big ring of cam ring is equipped with positive magnet, and the outer arc bottom of ringlet is equipped with negative magnet, and the oil groove gear is non-magnetic material, is provided with the magnet of negative pole at the upside of oil groove gear, and when the oil groove gear stopped rotating, the big ring of cam ring was located the upside when effectively guaranteeing the oil groove gear to stop, and the ringlet still can seal out the opening of oil groove when the oil groove gear stops, effectively avoids the worthless of lubricating oil to run off.
Furthermore, the oil outlet groove and the opening on the tooth groove wall are positioned in the center of the tooth groove and far away from the tooth root part, so that the meshing strength of the teeth is not influenced.
3. Advantageous effects
Compare in prior art, the advantage of this application lies in:
(1) this scheme has provided a new technical thinking, and the oil groove gear of vertical putting is under quiescent condition, and the cam ring can seal the oil outlet groove opening that is located the outer rampart downside of oil distribution groove, effectively avoids the lubricating oil in the oil distribution groove to receive the action of gravity to flow from the opening, causes the loss of lubricated liquid, loses the incessant lubricated effect of oil distribution groove.
(2) This scheme oil groove gear is when rotating, and cam ring synchronous revolution, cam ring focus and centre of rotation do not coincide, and big ring moves to the outside, and ringlet and oil distribution groove inner ring wall no longer butt, the opening that goes out the oil groove is opened, and lubricating oil receives the effect of centrifugal force and jets out towards the oil groove gear teeth in the oil distribution groove, can effectively guarantee the lubrication of tooth when oil groove gear during operation.
(3) The opening of the oil outlet groove on the tooth groove wall is located on the tooth groove central line and is far away from the tooth root part, and the meshing strength of the teeth is not affected.
(4) The big ring inner arc roof of this scheme cam ring, little ring inner arc roof all with join in marriage fixedly connected with elastic rod between the oil groove inner ring wall, effectively guarantee the oil groove gear at the stability of cam ring at the during operation.
(5) The outer arc roof of the macrocyclic ring of this scheme cam ring is equipped with anodal magnet, and the outer arc diapire of ringlet is equipped with negative magnet, and the oil groove gear is non-magnetic material, is provided with the magnet of negative pole at the upside of oil groove gear, when the oil groove gear stops rotatoryly, can effectively guarantee that the oil groove gear is big ring bit in the upside when stopping, and the ringlet still can seal the opening of oil groove when the oil groove gear stops, effectively avoids the worthless of lubricating oil to run off.
Drawings
Fig. 1 is a schematic perspective cross-sectional structural view of a first embodiment of the present application;
fig. 2 is a schematic perspective view of a sump gear according to a first embodiment of the present application;
FIG. 3 is a schematic cross-sectional plan view of a cam ring according to a first embodiment of the present application;
FIG. 4 is a schematic cross-sectional plan view of a static state of a first embodiment of the present application;
fig. 5 is a schematic plan sectional view showing an abutting state of the oil sump gear when the oil sump gear rotates according to the first embodiment of the present application;
FIG. 6 is a plan cross-sectional structural view of the cam ring position during rotation of the sump gear according to the first embodiment of the present application;
FIG. 7 is a schematic plan sectional view of a second embodiment of the present application;
fig. 8 is a schematic sectional plan view of a cam ring according to a third embodiment of the present application.
The reference numbers in the figures illustrate:
Detailed Description
The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The first embodiment is as follows: referring to fig. 1-6, a gear for preventing the rapid loss of the lubricant in the oil distribution groove comprises a gear 1 with an oil groove, a cam ring 2 and a flexible rod 3.
An annular oil distribution groove 103 is formed in the oil groove gear 1, an oil outlet groove 102 is communicated between the oil distribution groove 103 and the tooth grooves, and the oil outlet grooves 102 are uniformly distributed between the tooth grooves and the oil distribution groove 103.
The oil outlet grooves 102 and the openings in the tooth space walls are located in the center of the tooth space, away from the tooth root, and do not affect the meshing strength of the teeth 101.
The cam ring 2 is positioned in the oil distribution groove 103, the cam ring 2 comprises a large ring 201 and a small ring 202, the center of gravity of the cam ring 2 is positioned in the large ring 201, the outer wall of the large ring 201 keeps a clearance with the outer annular wall of the oil distribution groove 103, the outer wall of the small ring 202 is abutted with the outer annular wall of the oil distribution groove 103, and the outer wall of the small ring 202 closes the opening of the oil outlet groove 102 positioned at the lower side of the outer annular wall of the oil distribution groove 103.
The hardness of the material of the cam ring 2 is lower than that of the material of the oil groove gear 1, so that damage to openings of the forward oil outlet groove 102 and the reverse oil outlet groove 103 caused by long-term abutting and touching of the cam ring 2 and the oil distribution groove 103 is effectively avoided, lubricating oil cannot reach the teeth 101 through the oil outlet groove 102, and the lubricating property is lost.
When oil groove gear 1 is static under vertical state, the outer wall of small ring 202 is laminated with the outer annular wall of the lower side of oil distribution groove 103, and the opening of oil outlet groove 102 on the lower side of the outer annular wall is sealed, so that the loss of lubricating oil under the non-working state of oil groove gear 1 is effectively avoided.
When the oil groove gear 1 rotates, the cam ring 2 rotates along with the cam ring 2, the gravity center of the cam ring 2 is inconsistent with the rotation center, the cam ring 2 is acted by centrifugal force, the cam ring 2 moves towards one end of the large ring 201 gradually when rotating, an opening of the oil outlet groove 102 on the lower side of the outer ring wall of the oil distribution groove 103 is opened, lubricating oil in the oil distribution groove 103 can be ejected to the teeth 101 from the oil outlet groove 102 under the influence of the centrifugal force, the effect of lubricating the meshed teeth 101 is achieved, the elastic rod 3 is compressed at the moment, the elastic force of the elastic rod 3 plays a negative feedback effect on the movement of the cam ring 2 until the centrifugal force of the cam ring 2 and the received elastic force reach balance, the large ring 201 end of the cam ring 2 is always not contacted with the outer ring wall of the oil distribution groove 103, and the lubricating oil can be ejected by all the oil outlet grooves 102 on the peripheral side of the outer ring wall of the oil distribution groove 103.
The oil inlet has been seted up on the wall of oil groove gear 1 center through-hole, and central through-hole is connected with the transmission shaft, has seted up oil pipeline on the transmission shaft, and oil pipeline is carried to external accessible incessant the oil distribution groove when oil groove gear 1 during operation, effectively guarantees oil groove gear 1's operating duration.
The second embodiment is as follows: referring to fig. 7, in the gear for preventing the lubricant in the oil distribution groove from rapidly losing, the elastic rod 3 includes an upper elastic rod 301 and a lower elastic rod 302, the upper elastic rod 301 is fixedly connected between the arc top of the inner wall of the large ring 201 and the inner annular wall of the oil distribution groove 103, and the lower elastic rod 301 is fixedly connected between the arc bottom of the inner wall of the small ring 202 and the inner annular wall of the oil distribution groove 103, so as to enhance the stability of the oil groove gear 1 in operation of the cam ring 2.
The third concrete embodiment: please refer to fig. 8, which is a gear for preventing the rapid loss of the lubricating fluid in the oil distribution groove, wherein the top end of the outer arc of the large ring 201 of the cam ring 2 is provided with a positive magnet 203, the bottom end of the outer arc of the small ring 202 is provided with a negative magnet 204, the oil groove gear 1 is made of a non-magnetic material, and the upper side of the oil groove gear 1 is provided with a negative magnet, when the oil groove gear 1 stops rotating, the large ring 201 of the cam ring 2 can be effectively ensured to be positioned on the upper side when the oil groove gear 1 stops, the small ring 202 can still seal the opening of the oil groove 102 when the oil groove gear 1 stops, and the useless loss of the lubricating fluid can be effectively avoided.
This application can realize that vertical oil groove gear 1 of putting does not lose the incessant lubricated effect of oil distribution groove 103, still can effectively guarantee the lubrication of tooth 101 at oil groove gear 1 during operation, does not lead to the fact the influence to the meshing intensity of tooth 101, effectively guarantees oil groove gear 1 at the stability of during operation cam ring 2, and oil groove gear 1 lubricating oil can not lead to the fact worthless loss when stall.
The foregoing is only a preferred embodiment of the present application; the scope of protection of the present application is not limited thereto. Any person skilled in the art should be able to cover all equivalent or changes within the technical scope of the present disclosure, which is equivalent to the technical solution and the improvement concept of the present disclosure, and the protection scope of the present disclosure.
Claims (6)
1. The utility model provides an avoid joining in marriage gear that oil groove lubricating fluid runs off fast which characterized in that: comprises an oil groove gear (1), a cam ring (2) and an elastic rod (3);
an annular oil distribution groove (103) is formed in the oil groove gear (1), lubricating oil is arranged in the oil distribution groove (103), an oil outlet groove (102) is communicated between the oil distribution groove (103) and the tooth grooves, and the oil outlet groove (102) is uniformly distributed between each tooth groove and the oil distribution groove (103);
the cam ring (2) is positioned in the oil distribution groove (103), the cam ring (2) comprises a large ring (201) and a small ring (202), the gravity center of the cam ring (2) is positioned in the large ring (201), a gap is kept between the outer wall of the large ring (201) and the outer ring wall of the oil distribution groove (103), the outer wall of the small ring (202) is abutted against the outer ring wall of the oil distribution groove (103), and the outer wall of the small ring (202) seals the opening of the oil outlet groove (102) positioned on the lower side of the outer ring wall of the oil distribution groove (103);
the elastic rod (3) is fixedly connected between the inner wall of the cam ring (2) and the inner ring wall of the oil distribution groove (103).
2. The gear for preventing the rapid loss of the lubricating fluid of the oil distribution groove of claim 1, wherein: the elastic rod (3) is located in the radial direction of the oil distribution groove, and the elastic rod (3) is only allowed to stretch along the axial direction of the elastic rod (3).
3. The gear for preventing the rapid loss of the lubricant in the oil distribution groove of claim 2, wherein: elastic rod (3) include elastic rod (301) and lower elastic rod (302), go up elastic rod (301) fixed connection in macrocyclic ring (201) inner wall arc top and join in marriage between oil groove (103) inner ring wall, lower elastic rod (301) fixed connection is between ringlet (202) inner wall arc bottom and join in marriage between oil groove (103) inner ring wall.
4. The gear for preventing the rapid loss of the lubricating fluid of the oil distribution groove of claim 1, wherein: the hardness of the material of the cam ring (2) is lower than that of the material of the oil groove gear (1).
5. The gear for preventing the rapid loss of the lubricant from the oil distribution groove of claim 4, wherein: the top end of the outer arc of the large ring (201) of the cam ring (2) is provided with a positive magnet (203), the bottom end of the outer arc of the small ring (202) is provided with a negative magnet (204), and the oil groove gear (1) is made of a non-magnetic material.
6. The gear for preventing the rapid loss of the lubricating fluid of the oil distribution groove of claim 1, wherein: the opening of the oil outlet groove (102) on the tooth groove wall is positioned in the center of the tooth groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304440.8A CN112283320B (en) | 2020-11-19 | 2020-11-19 | Gear capable of preventing lubricating liquid in oil distribution groove from rapidly losing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304440.8A CN112283320B (en) | 2020-11-19 | 2020-11-19 | Gear capable of preventing lubricating liquid in oil distribution groove from rapidly losing |
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| Publication Number | Publication Date |
|---|---|
| CN112283320A CN112283320A (en) | 2021-01-29 |
| CN112283320B true CN112283320B (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011304440.8A Active CN112283320B (en) | 2020-11-19 | 2020-11-19 | Gear capable of preventing lubricating liquid in oil distribution groove from rapidly losing |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117699997B (en) * | 2023-12-29 | 2024-07-12 | 无锡海拓环保装备科技有限公司 | River water body treatment equipment |
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| CN105937599A (en) * | 2015-12-19 | 2016-09-14 | 綦江祥和机械有限公司 | Durable gear |
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| JP2020133818A (en) * | 2019-02-22 | 2020-08-31 | 株式会社デンソー | Eccentric oscillation-type reduction gear |
| CN211525505U (en) * | 2019-12-30 | 2020-09-18 | 济南弘正科技有限公司 | Lubricating mechanism of sliding clutch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008018759A1 (en) * | 2008-02-21 | 2009-08-27 | Ludwig Dierl | Synchronous flat belt drive |
| US20150018150A1 (en) * | 2013-07-09 | 2015-01-15 | Schaeffler Technologies Gmbh & Co. Kg | Laminated sprocket assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5379662A (en) * | 1992-08-28 | 1995-01-10 | Black & Decker Inc. | Gear lubrication |
| JP2008121698A (en) * | 2006-11-08 | 2008-05-29 | Toyota Motor Corp | Differential device having elastic sleeve in cylindrical bore of differential case |
| CN203836128U (en) * | 2014-05-07 | 2014-09-17 | 浙江圣熠机械有限公司 | Gear |
| CN105937599A (en) * | 2015-12-19 | 2016-09-14 | 綦江祥和机械有限公司 | Durable gear |
| CN108331886A (en) * | 2017-01-16 | 2018-07-27 | 住友重机械工业株式会社 | The heat treatment method of deceleration device and rotary body |
| JP2020133818A (en) * | 2019-02-22 | 2020-08-31 | 株式会社デンソー | Eccentric oscillation-type reduction gear |
| CN110219973A (en) * | 2019-06-04 | 2019-09-10 | 广东技术师范大学 | A kind of gear transmission structure |
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| CN211525505U (en) * | 2019-12-30 | 2020-09-18 | 济南弘正科技有限公司 | Lubricating mechanism of sliding clutch |
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| CN112283320A (en) | 2021-01-29 |
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