CN107327541A - A kind of floating type gear drive - Google Patents
A kind of floating type gear drive Download PDFInfo
- Publication number
- CN107327541A CN107327541A CN201710758066.0A CN201710758066A CN107327541A CN 107327541 A CN107327541 A CN 107327541A CN 201710758066 A CN201710758066 A CN 201710758066A CN 107327541 A CN107327541 A CN 107327541A
- Authority
- CN
- China
- Prior art keywords
- gear
- support shaft
- watt
- transparent cover
- sealing ring
- 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
Classifications
-
- 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
- F16H1/10—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes one of the members being internally toothed
-
- 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
- F16H57/022—Adjustment of gear shafts or bearings
-
- 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
-
- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
Abstract
The invention discloses a kind of floating type gear drive.It includes base, two bearings seat is installed on base, bearing is installed in bearing block, support shaft is installed in bearing, two shaft shoulders are provided with the middle part of support shaft, support shaft between two shaft shoulders is provided with first gear, and it is respectively equipped with ball watt in one in the support shaft in its two outside, second gear is provided with the outside of the first gear, engaged with first gear the inner side of second gear, interior ball watt outside is respectively equipped with coordinates ectosphere watt with it, second gear both sides are respectively fixed with a transparent cover, the inside middle portion of transparent cover is provided with distance with support shaft, transparent cover includes a limiting section, limiting section is connected with ectosphere watt.The present invention uses ball tile structure, can reach the purpose that gear swings and swung with driven gear, be effectively improved flank of tooth combination situation, ball tile structure is simple, and gear volume will not be increased considerably, and cost is low, connected between second gear and support shaft using gear, can reach that support shaft is not swung.
Description
Technical field
The present invention relates to transmission device field, and in particular to a kind of floating type gear drive.
Background technology
Gear drive is widely used in various plant equipment, especially the tooth of the asymmetric setting such as tube mill, rotary kiln
In wheel set, due to the bending of equipment stress, cause gear contact coefficient low, it is impossible to uniform wear, also limit transmission capacity.
In existing equipment, processing mode typically has two kinds, the first：Major part uses parallel installation, to operating
The not parallel problem of faying face caused by the bending of equipment stress, is not processed typically in journey, general to improve in order to improve service life
The intensity of gear, increase degree more than needed, and after abrasion certain time, carry out reverse side and use.Second：Increase on gear base
If rubber blanket, face is improved with the deformation of rubber blanket, but this kind of form causes pinion shaft to swing, and the design to base will
Ask higher, design is complicated.
The content of the invention
The purpose of the present invention is in view of the deficienciess of the prior art, providing a kind of floating type gear drive.
To achieve the above object, the invention provides a kind of floating type gear drive, including a base, the base
On be provided with to be separately installed with a bearing, two bearings in two bearings seat, the two bearings seat support shaft be installed, the branch
The support shaft being provided with the middle part of axle between two shaft shoulders, two shaft shoulder is held to be provided with first gear, and the support shaft in its two outside
The centre of sphere for being respectively equipped with ball watt in ball watt in one, two is overlapped, and the outer end of the gear teeth of the first gear is inside circular arc type, and
Higher than the shaft shoulder, second gear is provided with the outside of the first gear, the second gear is provided with the interior gear teeth and external gear teeth, described
The interior gear teeth are arranged on the middle inside of second gear, and are engaged with the first gear, and the external gear teeth is used for and external equipment
Gear connection, the interior ball watt outside is respectively equipped with coordinates ectosphere watt with it, the inner and the side of first gear of ectosphere watt
Provided with distance, the second gear both sides are respectively fixed with a transparent cover, and inside middle portion and the support shaft of the transparent cover are provided with distance,
The transparent cover includes a limiting section, and the limiting section is connected with the ectosphere watt.
Preferably, being additionally provided with sealing ring between the transparent cover and support shaft.
Preferably, being provided with seal groove on the outside of the transparent cover, the sealing ring is arranged in the seal groove, described
Transparent cover sidepiece is fixed with a cover plate, and the cover plate inside middle portion is provided with distance with the support shaft, and the cover plate consolidates sealing ring
It is scheduled in seal groove.
Preferably, the sealing ring includes one kind in oil resistant rubber sealing ring or wool felt sealing ring.
Preferably, the distance of the transparent cover and cover plate inside middle portion and support shaft includes 2-5mm.
Preferably, the center of circle of the gear teeth outer end of the first gear is overlapped with the centre of sphere of the interior ball watt.
Preferably, the shaft shoulder, first gear and support shaft are integrally formed.
Beneficial effect：The present invention uses ball tile structure, can reach the purpose that gear swings and swung with driven gear, have
Effect improves flank of tooth combination situation.Ball tile structure is simple, and gear volume will not be increased considerably, and cost is low.Second gear and supporting
Connected between axle using gear, can reach that support shaft is not swung.
Brief description of the drawings
Fig. 1 is floating type gear drive provided in an embodiment of the present invention；
Fig. 2 is Fig. 1 partial enlarged drawing.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, and the present embodiment is with technical solution of the present invention
Premised on lower implemented, it should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.
As shown in figure 1, the embodiments of the invention provide a kind of floating type gear drive, the device includes a base 1,
It is provided with base 1 in two bearing blocks 2, two bearing blocks 2 and is separately installed with a bearing（Not shown in figure）, in two bearings
One support shaft 3 is installed, the middle part of support shaft 3, which is provided with two shaft shoulders 4, support shaft 3, is additionally provided with first gear 5, first gear 5
It is arranged between two shaft shoulders 4.Two interior balls watt 6 are also equipped with support shaft 3, two interior balls watt 6 are separately positioned on two axles
The outside of shoulder 4.The centre of sphere of two interior balls watt 6 is set to overlap.Due to the specification for two sets of balls watt that the embodiment of the present invention is used
It is identical, the spacing between ball watt 6 in two when the centre of sphere is overlapped need to be only determined, is also assured that between two lateral surfaces of the shaft shoulder 4
Spacing, the centre of sphere that can be achieved with the interior ball watt 6 after assembling is to overlap.
As shown in Fig. 2 the outer end of the gear teeth of first gear 5 is circular arc type, the opening direction of the circular arc is inside, i.e. the circular arc
The center of circle on the direction of support shaft 3.Higher than two shaft shoulders 4 of first gear 5 so that when first gear 5 is connected with other gears, two
The individual shaft shoulder 4 will not be with other Gear Contacts.It is inner hollow that the outside of first gear 5, which is provided with second gear 7, second gear 7,
Cyclic structure, second gear 7 is provided with the interior gear teeth 71 and external gear teeth 72, and the interior gear teeth 71 are arranged in the inner side of second gear 7
Portion.The interior gear teeth 71 are engaged with first gear 5, and external gear teeth 72 is used to be connected with the driven gear of external equipment, the outside of interior ball watt 6
Ectosphere watt 8 is respectively equipped with, ectosphere watt 8 is cooperated with interior ball watt 6 so that ectosphere watt 8 can be slided on interior ball watt 6, ectosphere
Watts 8 inner end is provided with distance with the side of first gear 5 so that ectosphere watt 8 can produce vertical slip in interior ball watt 6,
Sliding maximum can be to ectosphere watt 8 and the contacts side surfaces of first gear 5.The both sides of second gear 7 are respectively fixed with a transparent cover 9,
The inside middle portion of transparent cover 9 is provided with distance with support shaft 3, and transparent cover 9 also includes a limiting section 91, and ectosphere watt 8 is connected with limiting section 91,
Also it is connected with the inner side of second gear 7.Ectosphere watt 8 is fitted between second gear 7 and interior ball watt 6 by transparent cover 9 by limiting section 91.
When this transmission device is run, first gear 5 drives second gear 7 to rotate, while making ectosphere watt 8 in interior ball watt 6
It is upper to slide, to make present apparatus smooth movements and service life is longer, between first gear 5 and second gear 7, and interior ball watt
Between 6 and ectosphere watt 8, it should be all lubricated using lubricating oil or lubricating grease.As shown in figure 1, lubricant grease storage is by transparent cover
9th, in the space that interior ball watt 6, ectosphere watt 8 and support shaft 3 are surrounded.In order to prevent lubricating oil from being flowed between transparent cover 9 and support shaft 3
Go out, sealing ring 10 is additionally provided between transparent cover 9 and support shaft 3.
The set-up mode of the sealing ring 10 of the embodiment of the present invention has a variety of, such as opens up sealing ring in the inside middle portion of transparent cover 9
Sealing ring 10 is installed, the inner side of sealing ring 10 is contacted with support shaft 3, you can coordinate close with support shaft 3 in groove, seal groove
Envelope.Sealing ring 10 according to actual conditions for rapid wear accessory, it is necessary to be renewed, and for ease of changing sealing ring 10, the present invention is implemented
The seal groove of example is preferably provided at the outside of transparent cover 10, and sealing ring 10 is arranged in seal groove, and the sidepiece of transparent cover 9 is further fixed on one
Individual cover plate 11, the inside middle portion of cover plate 11 also is provided with distance with support shaft 3, and sealing ring 10 is fixed in seal groove by cover plate 11.
When needing to change sealing ring 10, cover plate 11 need to only be pulled down to the sealing ring 10 that just can be taken off needing to change.
When external equipment produces slight inclination, second gear 7 can produce same inclination.So that ectosphere watt 8 is in interior ball
Lateral slip is produced on watts 6, the position of first gear 5 is motionless, and the interior gear teeth 71 of second gear 7 will be in first gear 5
Corresponding lateral movement is produced, to enable second gear 7 smoothly to be transported with ectosphere watt 8 in first gear 5 and interior ball watt 6
Dynamic, the centre of sphere of the center of circle of the gear teeth outer end of first gear 5 preferably with interior ball watt 6 is overlapped.
The shaft shoulder 4 and first gear 5 of the embodiment of the present invention can be manufactured with the split of support shaft 3, and then erecting and welding is consolidated again
It is fixed.As the presently preferred embodiments, the shaft shoulder 4 and first gear 5 are integrally formed with support shaft 3, directly process the shaft shoulder in support shaft 3
4 and first gear 5, compared with split is manufactured, integrally formed processing mode steadiness is stronger, and precision is very high.
The bearing that the embodiment of the present invention is used can use a variety of cylinder or ball roller bearings of the prior art, to make
This transmission device has more high bearing capacity, and the bearing of the embodiment of the present invention is preferably Biserial cylindrical roller bearing.
Transparent cover 9 is preferably identical with the distance of support shaft 3 with the inside middle portion of cover plate 11, and the size of the distance can influence second
The deflectable angle of bearing 7.Apart from hour, the deflectable angle of second bearing 7 is smaller, and when the distance is large, second bearing 7 can be inclined
The angle turned is also just big, and when the distance is greater, the requirement to sealing ring is also higher, therefore, transparent cover 9 and the inside middle portion of cover plate 11
Distance with support shaft 3 is preferably 2-5mm.
The sealing ring 10 of the embodiment of the present invention can use rubber seal, it is preferred to use oil resistant rubber, can also use sheep
Felt seal ring.
The operation principle of the present invention：Reference picture 1, drives first gear 5 to rotate, first gear 5 drives when support shaft 3 is rotated
Second gear 7 is rotated, and second gear 7 drives the driven gear of external equipment to rotate.When crooked downwards on the left of driven gear, the
The corresponding left side of two gears 7 is crooked downwards, because the ball watt centre of sphere is overlapped in 6, and its outer surface is into spheroidal, and ectosphere watt 8 is along interior ball watt 6
Spherical outside surface enter line slip, so as to realize the purpose being adjusted to second gear 7 with driven gear flat shape.Due to support shaft 3 not
Generation is crooked, second gear 7 occur it is crooked because the gear teeth outer end of first gear 5 in support shaft 3 has been cut into circular arc
Formula, the circular arc center of circle is overlapped with the centre of sphere of ball watt, therefore, and the internal ring gear of second gear 7 will not cause tooth root and tooth top because of crooked
Round interference.
The present invention uses ball tile structure, can reach the purpose that gear swings and swung with driven gear, be effectively improved tooth
Face combines situation.Ball tile structure is simple, and gear volume will not be increased considerably, and cost is low.Adopted between second gear and support shaft
Connected with gear, can reach that support shaft is not swung.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of floating type gear drive, it is characterised in that including a base, is provided with two bearings seat on the base,
It is separately installed with the two bearings seat in a bearing, two bearings and a support shaft is installed, two axles is provided with the middle part of the support shaft
Support shaft between shoulder, two shaft shoulder is provided with first gear, and the support shaft in its two outside and is respectively equipped with ball watt in one,
The centre of sphere of ball watt is overlapped in two, and the outer end of the gear teeth of the first gear is inside circular arc type, and higher than the shaft shoulder, it is described
Second gear is provided with the outside of first gear, the second gear is provided with the interior gear teeth and external gear teeth, and the interior gear teeth are arranged on second
The middle inside of gear, and engaged with the first gear, the external gear teeth is used to be connected with the gear of external equipment, described interior
Ball watt outside is respectively equipped with coordinates ectosphere watt with it, and the inner of ectosphere watt is provided with distance, described second with the side of first gear
Gear both sides are respectively fixed with a transparent cover, and inside middle portion and the support shaft of the transparent cover are provided with distance, and the transparent cover includes a limit
Position portion, the limiting section is connected with the ectosphere watt.
2. floating type gear drive according to claim 1, it is characterised in that between the transparent cover and support shaft also
Provided with sealing ring.
3. floating type gear drive according to claim 2, it is characterised in that sealing ring is provided with the outside of the transparent cover
Groove, the sealing ring is arranged in the seal groove, and the transparent cover sidepiece is fixed with a cover plate, the cover plate inside middle portion with
The support shaft is provided with distance, and sealing ring is fixed in seal groove by the cover plate.
4. floating type gear drive according to claim 2, it is characterised in that the sealing ring includes oil resistant rubber
One kind in sealing ring or wool felt sealing ring.
5. floating type gear drive according to claim 3, it is characterised in that the transparent cover and cover plate inside middle portion
Include 2-5mm with the distance of support shaft.
6. floating type gear drive according to claim 1, it is characterised in that the gear teeth outer end of the first gear
The center of circle overlapped with the centre of sphere of the interior ball watt.
7. floating type gear drive according to claim 1, it is characterised in that the shaft shoulder, first gear and branch
Axle is held to be integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758066.0A CN107327541A (en) | 2017-08-29 | 2017-08-29 | A kind of floating type gear drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758066.0A CN107327541A (en) | 2017-08-29 | 2017-08-29 | A kind of floating type gear drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107327541A true CN107327541A (en) | 2017-11-07 |
Family
ID=60203862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710758066.0A Pending CN107327541A (en) | 2017-08-29 | 2017-08-29 | A kind of floating type gear drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107327541A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017131096A1 (en) * | 2017-12-22 | 2019-06-27 | Lucas Automotive Gmbh | Gear assembly for a geared motor of an electrically actuated brake, gear motor, parking brake system and service brake system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2475875Y (en) * | 2001-04-06 | 2002-02-06 | 洛阳中重齿轮箱有限责任公司 | Edge driving multipoint meshing uniform load gear |
| JP2004332826A (en) * | 2003-05-07 | 2004-11-25 | Sumitomo Metal Ind Ltd | Gearing device and undercarriage for railway vehicle |
| CN201521622U (en) * | 2009-09-29 | 2010-07-07 | 重庆齿轮箱有限责任公司 | Bearing configuration structure of high-power marine gearbox pinion shaft |
| CN102951610A (en) * | 2011-08-26 | 2013-03-06 | 沈阳派司钛设备有限公司 | Driving box of hydrogen fluoride pre-reactor |
| CN207195564U (en) * | 2017-08-29 | 2018-04-06 | 南京西普水泥工程集团有限公司 | A kind of floating type gear drive |
-
2017
- 2017-08-29 CN CN201710758066.0A patent/CN107327541A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2475875Y (en) * | 2001-04-06 | 2002-02-06 | 洛阳中重齿轮箱有限责任公司 | Edge driving multipoint meshing uniform load gear |
| JP2004332826A (en) * | 2003-05-07 | 2004-11-25 | Sumitomo Metal Ind Ltd | Gearing device and undercarriage for railway vehicle |
| CN201521622U (en) * | 2009-09-29 | 2010-07-07 | 重庆齿轮箱有限责任公司 | Bearing configuration structure of high-power marine gearbox pinion shaft |
| CN102951610A (en) * | 2011-08-26 | 2013-03-06 | 沈阳派司钛设备有限公司 | Driving box of hydrogen fluoride pre-reactor |
| CN207195564U (en) * | 2017-08-29 | 2018-04-06 | 南京西普水泥工程集团有限公司 | A kind of floating type gear drive |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017131096A1 (en) * | 2017-12-22 | 2019-06-27 | Lucas Automotive Gmbh | Gear assembly for a geared motor of an electrically actuated brake, gear motor, parking brake system and service brake system |
| US11639165B2 (en) | 2017-12-22 | 2023-05-02 | Zf Active Safety Gmbh | Gear assembly for a geared motor of an electrically operable brake, geared motor, parking brake system, and service brake system |
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