CN105042047A - Limiting device and reducer - Google Patents
Limiting device and reducer Download PDFInfo
- Publication number
- CN105042047A CN105042047A CN201510496999.8A CN201510496999A CN105042047A CN 105042047 A CN105042047 A CN 105042047A CN 201510496999 A CN201510496999 A CN 201510496999A CN 105042047 A CN105042047 A CN 105042047A
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- arc section
- lobe shape
- limit stoper
- shape baffle
- 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
- 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
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
Abstract
The invention discloses a limiting device which comprises a box body and a baffle. The box body is provided with a notch. The baffle is arranged in the notch. The notch is composed of at least two circular arc segments, wherein at least one circular arc segment and other circular arc segments are excentric. The baffle is formed by assembling at least two circular-petal-like baffle bodies. The invention further provides a reducer. By means of the reducer and the limiting device, the cost of the limiting device is reduced greatly, the reducer and the limiting device are very convenient to mount and disassemble, and the safety of the petal-like baffle arranged in the notch in the box body is improved; and accidents caused when an inner gear ring or other components pop up are prevented, and reliability is high.
Description
Technical field
The present invention relates to mechanical field, particularly a kind of limit stoper and retarder.
Background technique
In the Planetary Gear Transmission that some are large-scale, ring gear requires to float, be connected with casing internal spline with ring gear external splines, inside and outside spline fitted gap is very large, float to be conducive to ring gear, after ring gear assembling, require axial limited location device, one end processes shoulder block location by casing, the other end of fitting opening, general employing circlip, in middle-size and small-size structure, in the majority with circlip, large scale structure (diameter of bore is greater than 500mm) belongs to particular design with during circlip, installing/dismounting difficulty, and difficulty increases with the increase of diameter of bore, larger-diameterly in addition also need a set of special mounting and dismounting tool, and purchase cost is also high, especially big more than diameter of bore 1600mm, both at home and abroad also without use experience, there is risk.In real work, circlip is easily altered bad by ring gear, causes security incident.
Summary of the invention
In view of this, the present invention proposes a kind of limit stoper and retarder, adopts special circlip cost high to solve large apertures, installation and removal difficulty and security problems.
On the one hand, the invention provides a kind of limit stoper, comprise casing and baffle plate, casing offers notch, described baffle plate is arranged in described notch, and described notch is made up of at least two sections of circular arcs, wherein at least one arc section and other arc sections not concentric; Described baffle plate is assembled by least two round lobe shape baffle plates.
Further, described notch comprises the first arc section and the second arc section, described first arc section and the second arc section not concentric, but radius is equal.
Further, described first arc section and the arc length of the second arc section are than being 1:3.
Further, the two end part of at least one circle lobe shape baffle plate are provided with chamfering, and the end of the round lobe shape baffle plate adjacent with these circle lobe shape baffle plate two end part is also provided with chamfering.
Further, described baffle plate is assembled by four round lobe shape baffle plates, the arc length such as four round lobe shape baffle plates.
Further, casing is provided with the tight-push unit for holding out against baffle plate, and tight-push unit is arranged on the top of the first arc section.
Further, tight-push unit is bolt, and the first arc section is provided with through hole, and the round lobe shape baffle plate being positioned at the first arc section offers tapped hole, bolt connect box and baffle plate.
Further, through hole is counterbore.
Further, casing is provided with locking pressing plate, locking platen cover is on bolt.
In addition, present invention also offers a kind of retarder, the ring gear comprising above-mentioned limit stoper and be assemblied in limit stoper, endoporus and shoulder block is offered in the casing of limit stoper, endoporus is provided with internal spline, internal spline coordinates with ring gear, ring gear between shoulder block and notch, ring gear bi-side respectively with shoulder block and baffle plate against.
The present invention proposes a kind of limit stoper and retarder, and baffle plate is arranged in notch, and notch is made up of at least two sections of circular arcs, wherein at least one arc section and other arc sections not concentric; Baffle plate is assembled by least two round lobe shape baffle plates, greatly reduces limit stoper manufacture cost.
In technological scheme further, casing being provided with the tight-push unit for holding out against baffle plate, achieving baffle plate and installing, making installation and removal very convenient, by tight-push unit, circle lobe shape baffle plate is compressed downwards, prevent all round lobe shape baffle plates loosening.Also improve lobe shape baffle plate and be arranged on Security in casing notch, prevent ring gear or other parts from scurrying out, cause security incident, reliability is high.
In further technological scheme of the present invention, the two ends of at least one circle lobe shape baffle plate are provided with chamfering, the round lobe shape baffle plate end that the round lobe shape baffle plate arranging chamfering with two ends docks also is provided with chamfering, to hide the interference of assembling, makes installation and removal convenient.
In further technological scheme of the present invention, casing is provided with locking pressing plate, locking platen cover is on bolt.Locking pressing plate can prevent bolt from getting loose, and causes security incident.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is reducer structure schematic diagram of the present invention;
Fig. 2 is the baffle arrangement schematic diagram of Fig. 1;
Fig. 3 is the housing structure schematic diagram of Fig. 1;
Fig. 4 is lobe shape baffle plate and box body assembling structure schematic diagram.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figures 1 to 4, the preferred a kind of retarder of the present invention, as shown in Figure 1, in casing 1, offer endoporus and shoulder block and notch 9, endoporus is provided with internal spline, and internal spline coordinates with ring gear 2, and ring gear 2 is between shoulder block and notch 9.Ring gear 2 bi-side respectively with shoulder block and baffle plate against.Ring gear 2 and internal spline matching gap are comparatively large, and ring gear 2 can float by internal spline relatively.Shoulder block and baffle plate make ring gear about 2 locate, and baffle plate prevents ring gear 2 from scurrying out to the right, causes security incident.
Baffle plate is fixed on in notch 9 by bolt 3, and casing 1 is provided with locking pressing plate 4, and the locking pressing plate 4 of plate covers on bolt 3, is fixed on casing 1 by bolt 3.Locking pressing plate 4 can prevent bolt 3 from getting loose, and causes security incident.
As shown in Figure 2, baffle plate by 4 round lobe shape baffle plates 5,6,7,8 assembled, the arc length such as 4 round lobe shape baffle plates 5,6,7,8, the radius of arc of all round lobe shape baffle plates 5,6,7,8 is equal.In order to avoid the interference of assembling, make installation and removal convenient.Round lobe shape baffle plate 8 two ends of in the end installing are provided with chamfering, and round lobe shape baffle plate 5,7 end of docking with this is also provided with chamfering.Thus the last round lobe shape baffle plate 8 installed can be made to produce with adjacent round lobe shape baffle plate 5,7 interfere, cause assemble difficult.
Convenient in order to make lobe shape baffle plate mount and dismount, improving reliability and the Security of lobe shape baffle plate, as shown in Figure 3, in notch 9, being provided with the arc length of the first arc section 90 and the second arc section 91, first arc section 90 and the second arc section 91 than being 1:3.Wherein the first arc section 90 is eccentric arc, and the radius R 2 of the second arc section 91 is equal with the first arc section 90 radius R 1, and the second arc section 91 center a is upwards departed from the first arc section 90 center.Notch 9 all radius of arc R2 equals the radius of arc of all round lobe shape baffle plates 5,6,7,8.Notch 9 is coordinated closely with circle lobe shape baffle plate 5,6,7,8.First arc section 90 position is provided with downward through hole, and round lobe shape baffle plate 5 neutral position being positioned at the first arc section 90 vertically offers tapped hole, and bolt 3 is positioned at through hole and tapped hole.Through hole is counterbore.Bolt 3 connect box 1 and baffle plate.
As shown in Figure 4, lobe shape baffle plate installation process is as follows:
Lobe shape baffle plate by 4 round lobe shape baffle plates 5,6,7,8 assembled, the arc length such as each round lobe shape baffle plate 5,6,7,8, the first arc section 90 that tapped hole casing 1 notch 9 offers one section of 1/4 arc length is processed with in the middle of the round lobe shape baffle plate 5 of the topmost part, second arc section 91, throw of eccentric a of another section 3/4 arc length is considered by the minimum value that can assemble.
After being first seated by ring gear 2, the round lobe shape baffle plate 5 having tapped hole is arranged on the first arc section 90 position, two other circle lobe shape baffle plate 6,7 is arranged on the second arc section 91 position of another section 3/4 arc length.Round lobe shape baffle plate 8 with chamfering is finally assembled in the second arc section 91 position of another section 3/4 arc length.After four round lobe shape baffle plates 5,6,7,8 playback, tighting a bolt 3 makes the round lobe shape baffle plate 5 having tapped hole move down, and four round lobe shape baffle plates 5,6,7,8 compressions are playbacked.Then locking pressing plate 4 is mounted on casing 1.
First arc section 90 of one section of 1/4 arc length can make corresponding round lobe shape baffle plate 5,6,7,8 move up and down spacing, 4 round lobe shape baffle plates 5,6,7,8 could be installed playback, otherwise cannot install round lobe shape baffle plate 5,6,7,8.By a bolt 3 by 4 round lobe shape baffle plate 5,6,7,8 upper-lower compactings, improve lobe shape baffle plate reliability and stability.
The bolt 3 of the tight-push unit employing of the preferred embodiment of the present invention, the tight-push unit of another kind of scheme of the present invention can adopt the straight pin of band spring, such as: at the first arc section 90 and circle lobe shape baffle plate 5 neutral position, cylinder pin hole is set, spring and straight pin are mounted in cylinder pin hole, also can realize holding out against fixing object.Tight-push unit also can adopt the mode such as oil hydraulic cylinder or bearing pin all can realize.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a limit stoper, it is characterized in that, comprise casing (1) and baffle plate, casing (1) offers notch (9), described baffle plate is arranged in described notch (9), described notch (9) is made up of at least two sections of circular arcs, wherein at least one arc section and other arc sections not concentric; Described baffle plate is assembled by least two round lobe shape baffle plates.
2. limit stoper according to claim 1, it is characterized in that, described notch (9) comprises the first arc section (90) and the second arc section (91), described first arc section (90) and the second arc section (91) not concentric, but radius is equal.
3. limit stoper according to claim 2, is characterized in that, described first arc section (90) is 1:3 with the arc length ratio of the second arc section (91).
4. the limit stoper according to claim 2 to 3 any one, it is characterized in that, the two end part of at least one circle lobe shape baffle plate (8) are provided with chamfering, and the end of the round lobe shape baffle plate (5,7) adjacent with these circle lobe shape baffle plate (8) two end part is also provided with chamfering.
5. limit stoper according to claim 4, is characterized in that, described baffle plate is assembled by four round lobe shape baffle plates (5,6,7,8), the arc length such as four round lobe shape baffle plates (5,6,7,8).
6. limit stoper according to claim 5, is characterized in that, casing (1) is provided with the tight-push unit for holding out against baffle plate, and tight-push unit is arranged on the top of the first arc section (90).
7. limit stoper according to claim 6, it is characterized in that, tight-push unit is bolt (3), first arc section (90) is provided with through hole, the round lobe shape baffle plate (5) being positioned at the first arc section (90) offers tapped hole, bolt (3) connect box (1) and baffle plate (5).
8. limit stoper according to claim 7, is characterized in that, through hole is counterbore.
9. limit stoper according to claim 8, is characterized in that, casing (1) is provided with locking pressing plate (4), and locking pressing plate (4) covers on bolt (3).
10. a retarder, it is characterized in that, comprise the limit stoper as described in claim 1 to 9 any one and be assemblied in the ring gear (2) in limit stoper, endoporus and shoulder block is offered in the casing (1) of limit stoper, endoporus is provided with internal spline, internal spline coordinates with ring gear (2), and ring gear (2) is positioned between shoulder block and notch (9), ring gear (2) bi-side respectively with shoulder block and baffle plate against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496999.8A CN105042047A (en) | 2015-08-13 | 2015-08-13 | Limiting device and reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510496999.8A CN105042047A (en) | 2015-08-13 | 2015-08-13 | Limiting device and reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105042047A true CN105042047A (en) | 2015-11-11 |
Family
ID=54448864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510496999.8A Pending CN105042047A (en) | 2015-08-13 | 2015-08-13 | Limiting device and reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105042047A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100008580U (en) * | 2009-02-20 | 2010-08-30 | 21세기기업 주식회사 | Gear reducer |
| US20120076450A1 (en) * | 2009-06-03 | 2012-03-29 | Ntn Corporation | Bearing Apparatus For A Wheel of Vehicle |
| CN202194789U (en) * | 2011-09-07 | 2012-04-18 | 三一电气有限责任公司 | Gear box of wind turbine and power input assembly of gear box |
| CN103089927A (en) * | 2012-11-03 | 2013-05-08 | 吴小杰 | Quasi satellite speed reduction box of bearing grease lubrication nuclear power station cooling pump |
| CN204900767U (en) * | 2015-08-13 | 2015-12-23 | 三一重型能源装备有限公司 | Stop device and reduction gear |
-
2015
- 2015-08-13 CN CN201510496999.8A patent/CN105042047A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100008580U (en) * | 2009-02-20 | 2010-08-30 | 21세기기업 주식회사 | Gear reducer |
| US20120076450A1 (en) * | 2009-06-03 | 2012-03-29 | Ntn Corporation | Bearing Apparatus For A Wheel of Vehicle |
| CN202194789U (en) * | 2011-09-07 | 2012-04-18 | 三一电气有限责任公司 | Gear box of wind turbine and power input assembly of gear box |
| CN103089927A (en) * | 2012-11-03 | 2013-05-08 | 吴小杰 | Quasi satellite speed reduction box of bearing grease lubrication nuclear power station cooling pump |
| CN204900767U (en) * | 2015-08-13 | 2015-12-23 | 三一重型能源装备有限公司 | Stop device and reduction gear |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151111 |
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| WD01 | Invention patent application deemed withdrawn after publication |