CN1201056C - Rotary speed reducer for working machinery - Google Patents
Rotary speed reducer for working machinery Download PDFInfo
- Publication number
- CN1201056C CN1201056C CNB011435763A CN01143576A CN1201056C CN 1201056 C CN1201056 C CN 1201056C CN B011435763 A CNB011435763 A CN B011435763A CN 01143576 A CN01143576 A CN 01143576A CN 1201056 C CN1201056 C CN 1201056C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- gyroscope wheel
- support housing
- revolving
- gear
- 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.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- General Details Of Gearings (AREA)
- Retarders (AREA)
- Jib Cranes (AREA)
Abstract
To make effective use of space over the upper surface of an upper revolving structure and reduce the rate at which noises are dissipated to the outside to allow rational drive for revolution by suspending a revolving speed reducer from the upper revolving structure and inside a revolving wheel for use of extra space. Inside a support housing with a speed reduction mechanism directly connected to a revolving motor and connected to the lower portion of the housing, the output shaft of the speed reduction mechanism is pointed upwards and supported by bearings. The revolving speed reducer is mounted on the frame of the upper revolving structure and suspended into the revolving wheel mounting structure of lower support, with the support housing located inside the revolving wheel, so that a pinion fitted over the output shaft engages the internal gear of the support housing.
Description
Technical field
The present invention relates in the such Work machine of a kind of building machinery the revolution operating member be driven the rotary reducer of operation.
Background technology
In the past, in the Work machine that is provided with the top revolving body as oil pressure excavator and crane, assembling slew gear on advancing the center framework of body in caterpillar bottom, be provided with the top revolving body of working rig by this slew gear support.And in this slew gear, as represent the shown in Figure 2 of former rotary reducer assembly structure, usually, vertical revolution driving machine (rotary reducer) 100 is assemblied in framework (revolution framework) 106 1 sides of top revolving body, be installed in its planet-gear speed reducer 101 direct-connected output shafts 102 on driven wheel 103 (pinion) form internal gear 113 engagements in the fixation side 112a of gyroscope wheel 112 on the framework 110 of above-mentioned center on the perimembranous with being installed in, make pinion 103 revolutions by driving revolution driving machine 100, it is driven with above-mentioned internal gear 113 engagements of fixing, thereby top revolving body (revolution framework 106) is rotated.
Like this, the revolution driving machine 100 of top revolving body with the revolution framework 106 that is arranged on it on the relation of motor of formation power source aspect, in any case all must be contained on its revolution framework 106.Therefore, above-mentioned revolution driving machine 100 generally all is mounted on the revolution framework 106, in the top position of slew gear.And on configuration aspects, this revolution driving machine 100 of slew gear are arranged near the position of turning round framework 106 central portions.
The rotary reducer of this general employing has such problem, promptly, when it drives, big noise, especially this noise can take place can propagate into revolution on the framework in the set operation office for train receiving departure, operating personnel are felt bad, when turning round action continually, cause mental fatigue easily.Certainly, also bad to environment on every side.
In addition, some must with the revolution framework back space be aggregated into very little machine, as small-sized revolution oil pressure excavator in, owing to just there is not the affluence on the space when being arranged on the revolution framework to this rotary reducer, thereby often being considered to very inappropriate design, such design in fact also can make above-mentioned noise seriously have influence on operating personnel.
The present invention makes for the problem that solves above-mentioned prior art existence, its objective is the rotary reducer that a kind of Work machine is provided, it is that rotary reducer is arranged on the gyroscope wheel inboard with hanging down and supports framework inside in the Stationary side of bottom from the top revolving body; Utilize rich space, the space above the revolving body of top is utilized effectively, and can reduce noise and disperse, and can reasonably drive to the outside.
Summary of the invention
In order to achieve the above object, the invention provides a kind of rotary reducer of Work machine, it is provided with slew gear, it is characterized in that, is provided with the support housing, and its bottom is connected with the reducing gear that directly links to each other with rotary motor; The output shaft of above-mentioned reducing gear is bearing in this by bearing and supports in the housing; Above-mentioned support housing be at gyroscope wheel the inboard, be installed on the revolving body of top with the mount pad portion of the upper end that is located at this support housing, and be with hanging down to be configured in the gyroscope wheel assembling structure inside of lower support body in the mode that hangs down from above-mentioned mount pad portion downwards, so that the pinion that is installed on the above-mentioned output shaft is meshed with the internal gear of above-mentioned gyroscope wheel.
If employing the present invention, because the support housing of reductor is installed on the revolving body of top, in the gyroscope wheel inboard of slew gear, hang the gyroscope wheel assembling structure inside that is arranged on the lower support body down, thereby on central portion position, only used the space segment that makes progress and be provided with side-prominently near the top revolving body, upside space except this mounting portion just produces surplus, can apply flexibly the space effectively, for example after adopting on the small-sized revolution oil pressure excavator, can obtain more effective rotary reducer.And, because rotary reducer is the downside at the top revolving body, and be under the state that is housed in the lower support body inboard that roughly forms tubular, thereby such effect arranged, promptly, the noise that takes place when this rotary reducer drives is the state that is enclosed in the inside, can suppress the propagation of this noise around upward, particularly can reduce noise significantly and in operation office for train receiving departure, invade, can alleviate the influence of noise operating personnel's mental fatigue.
Among the present invention, preferably, above-mentioned support housing wherein entreats top to be provided with the spatial portion that is used to dispose the pinion on the output shaft, and have with this spatial portion be connected, the peristome of internal gear that sidepiece is taken in a part of gyroscope wheel, in this this peristome, but the internal gear of the gyroscope wheel of above-mentioned pinion and gyration meshes, and the upside of spatial portion is covered by demountable upper lid.If adopt the present invention, following advantage is arranged, promptly, rotary reducer can be configured in with hanging down the gyroscope wheel assembling structure inside of lower support body, can form reasonably revolution drives structure, just can easily check the engagement of the internal gear of pinion and gyroscope wheel side by unloading upper lid.
Description of drawings
Fig. 1 is the skiagraph of a rotary reducer part of elliptically representing the Work machine of one embodiment of the present invention.
Fig. 2 is a skiagraph of elliptically representing the rotary reducer part of former Work machine.
The specific embodiment
Below, with reference to accompanying drawing the specific embodiment of the rotary reducer of Work machine of the present invention is described.
Fig. 1 is the skiagraph of a rotary reducer part of elliptically representing the Work machine of an embodiment of the present invention.
The rotary reducer 1 of present embodiment is mounted in not to be had among the figure that is provided with slew gear on the Work machine of expression such as the top revolving body of oil pressure excavator (revolution framework 20), internal gear 26 engagements that pinion 12 and the gyroscope wheel 25 of slew gear on the output shaft 11 of this reductor are set up drive for revolution and to use.
This rotary decelerating gear 1 is made of the support housing 2 that is provided with mount pad, planetary gear reducing mechanism 10 and rotary motor 16 (being hydraulic motor in this object lesson), above-mentioned mount pad is fixed on the top revolving body (revolution framework 20) with bolt 21, and above-mentioned planetary gear reducing mechanism 10 to be axial lines as one man be connected with supporting housing 2 lower ends.Above-mentioned planetary gear reducing mechanism 10 and rotary motor 16 all are to adopt known structure.
Above-mentioned support housing 2 peripheral part in the top is provided with bolt 21 and is fastened on flange shape mount pad portion 3 on the top installation portion of revolution framework 20, directly is connected with planetary gear reducing mechanism 10 from hang down downwards desired length dimension (desired height), lower end of mount pad portion 3.And, support the inside upper part of housing 2 to form opening upward, accommodate the spatial portion 4 of pinion 12 at this; On the axial line of the above-below direction in this spatial portion 4, be provided with upper bearing maintaining part 5 at inner bottom part, it is to be arranged to make its axle center consistent with the axle center of the planetary gear reducing mechanism 10 that is installed in top recessedly; And, sky open appropriate intervals, thereunder form lower bearing maintaining part 6 by embed respectively rolling bearing 7,7 in upper bearing maintaining part 5 and the lower bearing maintaining part 6 ', free rotaring ground supporting the output shaft 11 of above-mentioned planetary gear reducing mechanism 10.
In addition, on the circumferential surface sections of above-mentioned spatial portion 4 upsides in above-mentioned support housing 2, with the pinion 12 that is installed in above-mentioned output shaft 11 upper ends accordingly, at the suitable interval peristome 8 that forms of circumferencial direction, in this peristome 8, the internal gear 26 that above-mentioned pinion 12 and gyroscope wheel 25 are set up is meshed.The top opening portion of above-mentioned spatial portion 4 is covered by upper lid 9, this upper lid 9 by erection bolt 9a can be installed in with opening support housing 2 above.The profile of above-mentioned peristome 8 these sides of the formation of above-mentioned support housing 2 is made such state, promptly, other circumferential surface sections of radius ratio of its distance center are short apart from radius centered; In the time of on above-mentioned support housing 2 being assembled to revolution framework 20, make it near gyroscope wheel 25 ground settings.
Support the rolling bearing 7,7 of above-mentioned output shaft 11 ' and planetary gear reducing mechanism 10, by up/down perforation support in the housing 2 space segment 4a, via downside rolling bearing 7 ' be connected with the box house of planetary gear reducing mechanism 10, the through hole 17 that is provided with to inside above support housing 2 is connected with above-mentioned space segment 4a, lubrication oil is supplied with the block bearing portion of above-mentioned those gear operating members and output shaft, can carry out bath lubrication thus.Carry out the detection of the lubricants capacity of bath lubrication by being installed in the detector tube of supporting on the housing 2 18.And the gear cap 14 sewed by the planetary gear reducing mechanism 10 of the oil sealing 7b bearing cover 7a that be installed in upside rolling bearing 7 on top on and downside of lubrication oil to the outside prevented.Symbol 19 is from the pressure oil supply pipe of oil pressure source to rotary motor 16 fuel feeding among the figure.
Make rotary reducer 1 with this spline structure from be arranged on rotary reducer installing hole 23 on the main position of revolution framework 20 (top revolving body), the gyroscope wheel of the body 30 of advancing towards the bottom installs the inside of framework (the gyroscope wheel assembling structure that is equivalent to lower support body of the present invention), hangs down to the inboard of gyroscope wheel 25, tightens and will support the mount pad portion 3 of housing 2 to be assembled on the top installation portion that turns round framework 20 with bolt 21.In this state, rotary reducer 1 is mounted to the axial line that makes it and is being connected the advance axial line of slew gear of revolution framework 20 of the framework of body 30 and top revolving body of Work machine bottom and parallels, and, the peripheral openings portion 8 that is attached to the spatial portion 4 of the support housing 2 that internal gear 26 and the axial line of the fast pulley 25a side of gyroscope wheel 25 be supported near the internal gear 26 of gyroscope wheel faces mutually, become the pinion 12 that makes on the output shaft 11 just in time with the state of internal gear 26 engagements.
And, for rotary reducer 1 is fixed on the regular position, the peristome 8 of supporting housing 2 not with the internal gear 26 contacted states of gyroscope wheel 25 under, the mount pad portion 3 of rotary reducer 1 is inserted into 23 li of rotary reducer installing holes with the lower part, after this, make and support housing 2 to move, the part of the internal gear 26 of gyroscope wheel 25 is faced in the peristome 8, thus, in the spatial portion 4 of supporting housing 2, pinion 12 just can mesh with above-mentioned internal gear 26.Under this state and since support housing 2 with the pairing part of gyroscope wheel to the weak point of radius centered than other peripheral parts, thereby supported non-contiguously with the advance framework of body 30 of bottom.When carrying out such installation exercise, if carry out after will supporting housing 2 top upper lid 9 to unload, then can confirm the state of internal gear 26 engagements of pinion 12 and gyroscope wheel 25 sides on one side,, its revolution be driven Yi Bian install.
Therefore, when inspection and maintenance is carried out in the revolution driving, observe from upside, just can easily confirm the engagement of pinion 12 and internal gear 26 if upper lid 9 is unloaded the back.
Because this rotary reducer 1 is to hang with hanging down and establish to the advance framework inside that gyroscope wheel 25 is installed of body 30, bottom from revolution framework 20, thereby just be held in it is configured in top revolving body downside, wraps in the advance state of body 30 inboards of bottom, can reduce around the noise that takes place when revolution drives is dispersed into.Though and be narrow space, far away from operation office for train receiving departure, can reduce noise to the running indoor propagation, can reduce influence significantly to operating personnel.
Therefore, compared, do not have when turning round the vibration in reductor axle center with former mounting structure when revolution drove, the center of gravity of rotary reducer was at the downside of revolution framework 20, and, the movement that can suppress rotary reducer meshes quiveringly normally.Because the lubricated of the driving rotating part in the reductor made bath lubrication, thereby can confirm the state of lubrication oil with inspection oil pipe 18, brings influence can for the running aspect.
In the above description although understand planetary gear construction as reducing gear, but the present invention also can adopt other gear reduction, for example, adopt the reductor that the cycloid gear combination is constituted.And this rotary reducer also can be used under this occasion, promptly, the external gear on can making pinion as required and be arranged on gyroscope wheel is meshed and drive.In addition, be not confined to the oil pressure excavator yet, can be used for carrying out other machineries of gyration, for example can be used for crane etc. mechanically as the Work machine that slew gear is set.In addition, motor also is not limited to oil pressure actuated.
Claims (2)
1, a kind of rotary reducer of Work machine, it is provided with slew gear, it is characterized in that, is provided with the support housing, and its bottom is connected with the reducing gear that directly links to each other with rotary motor; The output shaft of above-mentioned reducing gear is bearing in this by bearing and supports in the housing; Above-mentioned support housing be at gyroscope wheel the inboard, be installed on the revolving body of top with the mount pad portion of the upper end that is located at this support housing, and be with hanging down to be configured in the gyroscope wheel assembling structure inside of lower support body in the mode that hangs down from above-mentioned mount pad portion downwards, so that the pinion that is installed on the above-mentioned output shaft is meshed with the internal gear of above-mentioned gyroscope wheel.
2, the rotary reducer of Work machine as claimed in claim 1, it is characterized in that, above-mentioned support housing wherein entreats top to be provided with the spatial portion of the pinion on the configuration output shaft, and have with this spatial portion be connected, the peristome of internal gear that sidepiece is taken in a part of gyroscope wheel, in this peristome, the internal gear of above-mentioned pinion and gyroscope wheel meshes, and the upside of spatial portion is covered by demountable upper lid.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP378966/00 | 2000-12-13 | ||
| JP2000378966A JP4424844B2 (en) | 2000-12-13 | 2000-12-13 | Work machine swivel reducer |
| JP378966/2000 | 2000-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1358910A CN1358910A (en) | 2002-07-17 |
| CN1201056C true CN1201056C (en) | 2005-05-11 |
Family
ID=18847435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011435763A Expired - Fee Related CN1201056C (en) | 2000-12-13 | 2001-12-13 | Rotary speed reducer for working machinery |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4424844B2 (en) |
| KR (1) | KR100769217B1 (en) |
| CN (1) | CN1201056C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101005062B1 (en) | 2008-09-10 | 2010-12-30 | 볼보 컨스트럭션 이큅먼트 에이비 | Oil level gauge for swivel reduction of excavator |
| KR101212278B1 (en) | 2010-04-19 | 2012-12-14 | 주식회사 해성산전 | A Stepping Reduction Gear Unit of a Excavator |
| CN102072310A (en) * | 2010-11-26 | 2011-05-25 | 徐州益利亚工程机械有限公司 | Rotary speed reducer output shaft fixing system |
| JP5605196B2 (en) * | 2010-12-09 | 2014-10-15 | コベルコ建機株式会社 | Construction machine drive |
| DE102011122225A1 (en) * | 2011-12-15 | 2013-06-20 | Terex Cranes Germany Gmbh | Device for braking rotary and / or slewing mechanisms, method for controlling such a device and working machine with such a braking device |
| WO2014120930A1 (en) | 2013-01-30 | 2014-08-07 | Parker-Hannifin Corporation | Hydraulic hybrid swing drive system for excavators |
| JP6170321B2 (en) * | 2013-03-29 | 2017-07-26 | 住友重機械工業株式会社 | Excavator |
| CN105402322B (en) * | 2015-12-04 | 2019-02-26 | 索特传动设备有限公司 | A kind of rotary reducer and oil-well rig |
| CN107416697A (en) * | 2017-04-25 | 2017-12-01 | 南通润邦重机有限公司 | A kind of harbour rubber-tyred mobile multifunctional crane of full hydraulic drive |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR910009095Y1 (en) * | 1990-01-30 | 1991-11-25 | 이영복 | Device protecting vibration of motors |
| KR200188471Y1 (en) * | 1998-06-08 | 2000-07-15 | 임광철 | Brake apparatus of swing reduction gear for a crane |
| KR19990024142A (en) * | 1998-12-12 | 1999-03-25 | 윤동근 | Mobile forklift cranes mounted on the deck of the barge |
| JP2001164600A (en) * | 1999-12-06 | 2001-06-19 | Hitachi Constr Mach Co Ltd | Turning construction machine |
-
2000
- 2000-12-13 JP JP2000378966A patent/JP4424844B2/en not_active Expired - Fee Related
-
2001
- 2001-12-04 KR KR1020010076088A patent/KR100769217B1/en not_active IP Right Cessation
- 2001-12-13 CN CNB011435763A patent/CN1201056C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP4424844B2 (en) | 2010-03-03 |
| KR100769217B1 (en) | 2007-10-22 |
| KR20020046935A (en) | 2002-06-21 |
| CN1358910A (en) | 2002-07-17 |
| JP2002180500A (en) | 2002-06-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |